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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"""Tests for Knit data structure"""
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from cStringIO import StringIO
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from bzrlib import (
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from bzrlib.errors import (
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RevisionAlreadyPresent,
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from bzrlib.index import *
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from bzrlib.knit import (
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_VFContentMapGenerator,
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from bzrlib.patiencediff import PatienceSequenceMatcher
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from bzrlib.repofmt import (
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from bzrlib.osutils import split_lines
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from bzrlib.tests import (
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TestCaseWithMemoryTransport,
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TestCaseWithTransport,
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from bzrlib.versionedfile import (
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network_bytes_to_kind_and_offset,
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RecordingVersionedFilesDecorator,
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compiled_knit_feature = tests.ModuleAvailableFeature(
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'bzrlib._knit_load_data_pyx')
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class KnitContentTestsMixin(object):
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from bzrlib.transport import TransportLogger, get_transport
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from bzrlib.transport.memory import MemoryTransport
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from bzrlib.weave import Weave
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class _CompiledKnitFeature(Feature):
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import bzrlib._knit_load_data_c
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def feature_name(self):
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return 'bzrlib._knit_load_data_c'
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CompiledKnitFeature = _CompiledKnitFeature()
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class KnitContentTests(TestCase):
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def test_constructor(self):
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content = self._make_content([])
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content = KnitContent([])
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def test_text(self):
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content = self._make_content([])
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content = KnitContent([])
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self.assertEqual(content.text(), [])
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content = self._make_content([("origin1", "text1"), ("origin2", "text2")])
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content = KnitContent([("origin1", "text1"), ("origin2", "text2")])
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self.assertEqual(content.text(), ["text1", "text2"])
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def test_annotate(self):
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content = KnitContent([])
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self.assertEqual(content.annotate(), [])
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content = KnitContent([("origin1", "text1"), ("origin2", "text2")])
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self.assertEqual(content.annotate(),
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[("origin1", "text1"), ("origin2", "text2")])
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def test_annotate_iter(self):
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content = KnitContent([])
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it = content.annotate_iter()
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self.assertRaises(StopIteration, it.next)
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content = KnitContent([("origin1", "text1"), ("origin2", "text2")])
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it = content.annotate_iter()
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self.assertEqual(it.next(), ("origin1", "text1"))
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self.assertEqual(it.next(), ("origin2", "text2"))
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self.assertRaises(StopIteration, it.next)
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def test_copy(self):
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content = self._make_content([("origin1", "text1"), ("origin2", "text2")])
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content = KnitContent([("origin1", "text1"), ("origin2", "text2")])
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copy = content.copy()
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self.assertIsInstance(copy, content.__class__)
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self.assertEqual(copy.annotate(), content.annotate())
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def assertDerivedBlocksEqual(self, source, target, noeol=False):
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"""Assert that the derived matching blocks match real output"""
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source_lines = source.splitlines(True)
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target_lines = target.splitlines(True)
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if noeol and not line.endswith('\n'):
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source_content = self._make_content([(None, nl(l)) for l in source_lines])
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target_content = self._make_content([(None, nl(l)) for l in target_lines])
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line_delta = source_content.line_delta(target_content)
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delta_blocks = list(KnitContent.get_line_delta_blocks(line_delta,
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source_lines, target_lines))
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matcher = PatienceSequenceMatcher(None, source_lines, target_lines)
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matcher_blocks = list(matcher.get_matching_blocks())
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self.assertEqual(matcher_blocks, delta_blocks)
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def test_get_line_delta_blocks(self):
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self.assertDerivedBlocksEqual('a\nb\nc\n', 'q\nc\n')
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self.assertDerivedBlocksEqual(TEXT_1, TEXT_1)
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self.assertDerivedBlocksEqual(TEXT_1, TEXT_1A)
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self.assertDerivedBlocksEqual(TEXT_1, TEXT_1B)
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self.assertDerivedBlocksEqual(TEXT_1B, TEXT_1A)
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self.assertDerivedBlocksEqual(TEXT_1A, TEXT_1B)
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self.assertDerivedBlocksEqual(TEXT_1A, '')
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self.assertDerivedBlocksEqual('', TEXT_1A)
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self.assertDerivedBlocksEqual('', '')
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self.assertDerivedBlocksEqual('a\nb\nc', 'a\nb\nc\nd')
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def test_get_line_delta_blocks_noeol(self):
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"""Handle historical knit deltas safely
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Some existing knit deltas don't consider the last line to differ
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when the only difference whether it has a final newline.
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New knit deltas appear to always consider the last line to differ
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self.assertDerivedBlocksEqual('a\nb\nc', 'a\nb\nc\nd\n', noeol=True)
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self.assertDerivedBlocksEqual('a\nb\nc\nd\n', 'a\nb\nc', noeol=True)
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self.assertDerivedBlocksEqual('a\nb\nc\n', 'a\nb\nc', noeol=True)
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self.assertDerivedBlocksEqual('a\nb\nc', 'a\nb\nc\n', noeol=True)
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Banana cup cake recipe
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Banana cup cake recipe
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- bananas (do not use plantains!!!)
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Banana cup cake recipe
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class TestPlainKnitContent(TestCase, KnitContentTestsMixin):
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def _make_content(self, lines):
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annotated_content = AnnotatedKnitContent(lines)
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return PlainKnitContent(annotated_content.text(), 'bogus')
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def test_annotate(self):
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content = self._make_content([])
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self.assertEqual(content.annotate(), [])
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content = self._make_content([("origin1", "text1"), ("origin2", "text2")])
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self.assertEqual(content.annotate(),
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[("bogus", "text1"), ("bogus", "text2")])
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def test_line_delta(self):
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content1 = self._make_content([("", "a"), ("", "b")])
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content2 = self._make_content([("", "a"), ("", "a"), ("", "c")])
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self.assertEqual(content1.line_delta(content2),
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[(1, 2, 2, ["a", "c"])])
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def test_line_delta_iter(self):
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content1 = self._make_content([("", "a"), ("", "b")])
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content2 = self._make_content([("", "a"), ("", "a"), ("", "c")])
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it = content1.line_delta_iter(content2)
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self.assertEqual(it.next(), (1, 2, 2, ["a", "c"]))
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self.assertRaises(StopIteration, it.next)
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class TestAnnotatedKnitContent(TestCase, KnitContentTestsMixin):
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def _make_content(self, lines):
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return AnnotatedKnitContent(lines)
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def test_annotate(self):
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content = self._make_content([])
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self.assertEqual(content.annotate(), [])
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content = self._make_content([("origin1", "text1"), ("origin2", "text2")])
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self.assertEqual(content.annotate(),
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self.assertIsInstance(copy, KnitContent)
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self.assertEqual(copy.annotate(),
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[("origin1", "text1"), ("origin2", "text2")])
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def test_line_delta(self):
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content1 = self._make_content([("", "a"), ("", "b")])
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content2 = self._make_content([("", "a"), ("", "a"), ("", "c")])
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content1 = KnitContent([("", "a"), ("", "b")])
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content2 = KnitContent([("", "a"), ("", "a"), ("", "c")])
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self.assertEqual(content1.line_delta(content2),
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[(1, 2, 2, [("", "a"), ("", "c")])])
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def test_line_delta_iter(self):
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content1 = self._make_content([("", "a"), ("", "b")])
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content2 = self._make_content([("", "a"), ("", "a"), ("", "c")])
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content1 = KnitContent([("", "a"), ("", "b")])
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content2 = KnitContent([("", "a"), ("", "a"), ("", "c")])
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it = content1.line_delta_iter(content2)
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self.assertEqual(it.next(), (1, 2, 2, [("", "a"), ("", "c")]))
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self.assertRaises(StopIteration, it.next)
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writer = pack.ContainerWriter(write_data)
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access.set_writer(writer, index, (transport, packname))
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memos = access.add_raw_records([('key', 10)], '1234567890')
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memos = access.add_raw_records([10], '1234567890')
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self.assertEqual(['1234567890'], list(access.get_raw_records(memos)))
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def test_missing_index_raises_retry(self):
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memos = self.make_pack_file()
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transport = self.get_transport()
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reload_called, reload_func = self.make_reload_func()
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# Note that the index key has changed from 'foo' to 'bar'
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access = pack_repo._DirectPackAccess({'bar':(transport, 'packname')},
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reload_func=reload_func)
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e = self.assertListRaises(errors.RetryWithNewPacks,
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access.get_raw_records, memos)
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# Because a key was passed in which does not match our index list, we
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# assume that the listing was already reloaded
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self.assertTrue(e.reload_occurred)
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self.assertIsInstance(e.exc_info, tuple)
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self.assertIs(e.exc_info[0], KeyError)
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self.assertIsInstance(e.exc_info[1], KeyError)
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def test_missing_index_raises_key_error_with_no_reload(self):
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memos = self.make_pack_file()
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transport = self.get_transport()
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# Note that the index key has changed from 'foo' to 'bar'
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access = pack_repo._DirectPackAccess({'bar':(transport, 'packname')})
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e = self.assertListRaises(KeyError, access.get_raw_records, memos)
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def test_missing_file_raises_retry(self):
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memos = self.make_pack_file()
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transport = self.get_transport()
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reload_called, reload_func = self.make_reload_func()
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# Note that the 'filename' has been changed to 'different-packname'
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access = pack_repo._DirectPackAccess(
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{'foo':(transport, 'different-packname')},
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reload_func=reload_func)
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e = self.assertListRaises(errors.RetryWithNewPacks,
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access.get_raw_records, memos)
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# The file has gone missing, so we assume we need to reload
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self.assertFalse(e.reload_occurred)
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self.assertIsInstance(e.exc_info, tuple)
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self.assertIs(e.exc_info[0], errors.NoSuchFile)
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self.assertIsInstance(e.exc_info[1], errors.NoSuchFile)
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self.assertEqual('different-packname', e.exc_info[1].path)
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def test_missing_file_raises_no_such_file_with_no_reload(self):
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memos = self.make_pack_file()
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transport = self.get_transport()
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# Note that the 'filename' has been changed to 'different-packname'
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access = pack_repo._DirectPackAccess(
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{'foo': (transport, 'different-packname')})
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e = self.assertListRaises(errors.NoSuchFile,
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access.get_raw_records, memos)
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def test_failing_readv_raises_retry(self):
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memos = self.make_pack_file()
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transport = self.get_transport()
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failing_transport = MockReadvFailingTransport(
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[transport.get_bytes('packname')])
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reload_called, reload_func = self.make_reload_func()
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access = pack_repo._DirectPackAccess(
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{'foo': (failing_transport, 'packname')},
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reload_func=reload_func)
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# Asking for a single record will not trigger the Mock failure
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self.assertEqual(['1234567890'],
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list(access.get_raw_records(memos[:1])))
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self.assertEqual(['12345'],
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list(access.get_raw_records(memos[1:2])))
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# A multiple offset readv() will fail mid-way through
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e = self.assertListRaises(errors.RetryWithNewPacks,
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access.get_raw_records, memos)
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# The file has gone missing, so we assume we need to reload
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self.assertFalse(e.reload_occurred)
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self.assertIsInstance(e.exc_info, tuple)
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self.assertIs(e.exc_info[0], errors.NoSuchFile)
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self.assertIsInstance(e.exc_info[1], errors.NoSuchFile)
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self.assertEqual('packname', e.exc_info[1].path)
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def test_failing_readv_raises_no_such_file_with_no_reload(self):
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memos = self.make_pack_file()
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transport = self.get_transport()
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failing_transport = MockReadvFailingTransport(
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[transport.get_bytes('packname')])
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reload_called, reload_func = self.make_reload_func()
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access = pack_repo._DirectPackAccess(
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{'foo':(failing_transport, 'packname')})
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# Asking for a single record will not trigger the Mock failure
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self.assertEqual(['1234567890'],
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list(access.get_raw_records(memos[:1])))
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self.assertEqual(['12345'],
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list(access.get_raw_records(memos[1:2])))
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# A multiple offset readv() will fail mid-way through
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e = self.assertListRaises(errors.NoSuchFile,
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access.get_raw_records, memos)
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def test_reload_or_raise_no_reload(self):
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access = pack_repo._DirectPackAccess({}, reload_func=None)
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retry_exc = self.make_retry_exception()
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# Without a reload_func, we will just re-raise the original exception
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self.assertRaises(_TestException, access.reload_or_raise, retry_exc)
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def test_reload_or_raise_reload_changed(self):
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reload_called, reload_func = self.make_reload_func(return_val=True)
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access = pack_repo._DirectPackAccess({}, reload_func=reload_func)
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retry_exc = self.make_retry_exception()
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access.reload_or_raise(retry_exc)
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self.assertEqual([1], reload_called)
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retry_exc.reload_occurred=True
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access.reload_or_raise(retry_exc)
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self.assertEqual([2], reload_called)
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def test_reload_or_raise_reload_no_change(self):
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reload_called, reload_func = self.make_reload_func(return_val=False)
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access = pack_repo._DirectPackAccess({}, reload_func=reload_func)
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retry_exc = self.make_retry_exception()
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# If reload_occurred is False, then we consider it an error to have
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# reload_func() return False (no changes).
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self.assertRaises(_TestException, access.reload_or_raise, retry_exc)
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self.assertEqual([1], reload_called)
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retry_exc.reload_occurred=True
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# If reload_occurred is True, then we assume nothing changed because
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# it had changed earlier, but didn't change again
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access.reload_or_raise(retry_exc)
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self.assertEqual([2], reload_called)
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def test_annotate_retries(self):
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vf, reload_counter = self.make_vf_for_retrying()
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# It is a little bit bogus to annotate the Revision VF, but it works,
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# as we have ancestry stored there
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reload_lines = vf.annotate(key)
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self.assertEqual([1, 1, 0], reload_counter)
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plain_lines = vf.annotate(key)
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self.assertEqual([1, 1, 0], reload_counter) # No extra reloading
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if reload_lines != plain_lines:
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self.fail('Annotation was not identical with reloading.')
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# Now delete the packs-in-use, which should trigger another reload, but
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# this time we just raise an exception because we can't recover
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for trans, name in vf._access._indices.itervalues():
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self.assertRaises(errors.NoSuchFile, vf.annotate, key)
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self.assertEqual([2, 1, 1], reload_counter)
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def test__get_record_map_retries(self):
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vf, reload_counter = self.make_vf_for_retrying()
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keys = [('rev-1',), ('rev-2',), ('rev-3',)]
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records = vf._get_record_map(keys)
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self.assertEqual(keys, sorted(records.keys()))
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self.assertEqual([1, 1, 0], reload_counter)
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# Now delete the packs-in-use, which should trigger another reload, but
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# this time we just raise an exception because we can't recover
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for trans, name in vf._access._indices.itervalues():
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self.assertRaises(errors.NoSuchFile, vf._get_record_map, keys)
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self.assertEqual([2, 1, 1], reload_counter)
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def test_get_record_stream_retries(self):
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vf, reload_counter = self.make_vf_for_retrying()
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keys = [('rev-1',), ('rev-2',), ('rev-3',)]
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record_stream = vf.get_record_stream(keys, 'topological', False)
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record = record_stream.next()
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self.assertEqual(('rev-1',), record.key)
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self.assertEqual([0, 0, 0], reload_counter)
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record = record_stream.next()
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self.assertEqual(('rev-2',), record.key)
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self.assertEqual([1, 1, 0], reload_counter)
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record = record_stream.next()
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self.assertEqual(('rev-3',), record.key)
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self.assertEqual([1, 1, 0], reload_counter)
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# Now delete all pack files, and see that we raise the right error
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for trans, name in vf._access._indices.itervalues():
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self.assertListRaises(errors.NoSuchFile,
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vf.get_record_stream, keys, 'topological', False)
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def test_iter_lines_added_or_present_in_keys_retries(self):
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vf, reload_counter = self.make_vf_for_retrying()
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keys = [('rev-1',), ('rev-2',), ('rev-3',)]
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# Unfortunately, iter_lines_added_or_present_in_keys iterates the
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# result in random order (determined by the iteration order from a
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# set()), so we don't have any solid way to trigger whether data is
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# read before or after. However we tried to delete the middle node to
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# exercise the code well.
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# What we care about is that all lines are always yielded, but not
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reload_lines = sorted(vf.iter_lines_added_or_present_in_keys(keys))
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self.assertEqual([1, 1, 0], reload_counter)
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# Now do it again, to make sure the result is equivalent
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plain_lines = sorted(vf.iter_lines_added_or_present_in_keys(keys))
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self.assertEqual([1, 1, 0], reload_counter) # No extra reloading
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self.assertEqual(plain_lines, reload_lines)
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self.assertEqual(21, len(plain_lines))
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# Now delete all pack files, and see that we raise the right error
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for trans, name in vf._access._indices.itervalues():
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self.assertListRaises(errors.NoSuchFile,
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vf.iter_lines_added_or_present_in_keys, keys)
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self.assertEqual([2, 1, 1], reload_counter)
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def test_get_record_stream_yields_disk_sorted_order(self):
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# if we get 'unordered' pick a semi-optimal order for reading. The
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# order should be grouped by pack file, and then by position in file
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repo = self.make_repository('test', format='pack-0.92')
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self.addCleanup(repo.unlock)
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repo.start_write_group()
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vf.add_lines(('f-id', 'rev-5'), [('f-id', 'rev-4')], ['lines\n'])
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vf.add_lines(('f-id', 'rev-1'), [], ['lines\n'])
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vf.add_lines(('f-id', 'rev-2'), [('f-id', 'rev-1')], ['lines\n'])
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repo.commit_write_group()
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# We inserted them as rev-5, rev-1, rev-2, we should get them back in
700
stream = vf.get_record_stream([('f-id', 'rev-1'), ('f-id', 'rev-5'),
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('f-id', 'rev-2')], 'unordered', False)
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keys = [r.key for r in stream]
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self.assertEqual([('f-id', 'rev-5'), ('f-id', 'rev-1'),
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('f-id', 'rev-2')], keys)
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repo.start_write_group()
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vf.add_lines(('f-id', 'rev-4'), [('f-id', 'rev-3')], ['lines\n'])
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vf.add_lines(('f-id', 'rev-3'), [('f-id', 'rev-2')], ['lines\n'])
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vf.add_lines(('f-id', 'rev-6'), [('f-id', 'rev-5')], ['lines\n'])
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repo.commit_write_group()
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# Request in random order, to make sure the output order isn't based on
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request_keys = set(('f-id', 'rev-%d' % i) for i in range(1, 7))
713
stream = vf.get_record_stream(request_keys, 'unordered', False)
714
keys = [r.key for r in stream]
715
# We want to get the keys back in disk order, but it doesn't matter
716
# which pack we read from first. So this can come back in 2 orders
717
alt1 = [('f-id', 'rev-%d' % i) for i in [4, 3, 6, 5, 1, 2]]
718
alt2 = [('f-id', 'rev-%d' % i) for i in [5, 1, 2, 4, 3, 6]]
719
if keys != alt1 and keys != alt2:
720
self.fail('Returned key order did not match either expected order.'
721
' expected %s or %s, not %s'
722
% (alt1, alt2, keys))
725
272
class LowLevelKnitDataTests(TestCase):
874
378
# Change 2 bytes in the middle to \xff
875
379
gz_txt = gz_txt[:10] + '\xff\xff' + gz_txt[12:]
876
380
transport = MockTransport([gz_txt])
877
access = _KnitKeyAccess(transport, ConstantMapper('filename'))
878
knit = KnitVersionedFiles(None, access)
879
records = [(('rev-id-1',), (('rev-id-1',), 0, len(gz_txt)))]
880
self.assertRaises(errors.KnitCorrupt, list,
881
knit._read_records_iter(records))
882
# read_records_iter_raw will barf on bad gz data
883
self.assertRaises(errors.KnitCorrupt, list,
884
knit._read_records_iter_raw(records))
381
access = _KnitAccess(transport, 'filename', None, None, False, False)
382
data = _KnitData(access=access)
383
records = [('rev-id-1', (None, 0, len(gz_txt)))]
385
self.assertRaises(errors.KnitCorrupt, data.read_records, records)
387
# read_records_iter_raw will notice if we request the wrong version.
388
self.assertRaises(errors.KnitCorrupt, list,
389
data.read_records_iter_raw(records))
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392
class LowLevelKnitIndexTests(TestCase):
889
def get_knit_index(self, transport, name, mode):
890
mapper = ConstantMapper(name)
394
def get_knit_index(self, *args, **kwargs):
395
orig = knit._load_data
397
knit._load_data = orig
398
self.addCleanup(reset)
891
399
from bzrlib._knit_load_data_py import _load_data_py
892
self.overrideAttr(knit, '_load_data', _load_data_py)
893
allow_writes = lambda: 'w' in mode
894
return _KndxIndex(transport, mapper, lambda:None, allow_writes, lambda:True)
400
knit._load_data = _load_data_py
401
return _KnitIndex(*args, **kwargs)
403
def test_no_such_file(self):
404
transport = MockTransport()
406
self.assertRaises(NoSuchFile, self.get_knit_index,
407
transport, "filename", "r")
408
self.assertRaises(NoSuchFile, self.get_knit_index,
409
transport, "filename", "w", create=False)
896
411
def test_create_file(self):
897
412
transport = MockTransport()
898
index = self.get_knit_index(transport, "filename", "w")
900
call = transport.calls.pop(0)
901
# call[1][1] is a StringIO - we can't test it by simple equality.
902
self.assertEqual('put_file_non_atomic', call[0])
903
self.assertEqual('filename.kndx', call[1][0])
904
# With no history, _KndxIndex writes a new index:
905
self.assertEqual(_KndxIndex.HEADER,
906
call[1][1].getvalue())
907
self.assertEqual({'create_parent_dir': True}, call[2])
414
index = self.get_knit_index(transport, "filename", "w",
415
file_mode="wb", create=True)
417
("put_bytes_non_atomic",
418
("filename", index.HEADER), {"mode": "wb"}),
419
transport.calls.pop(0))
421
def test_delay_create_file(self):
422
transport = MockTransport()
424
index = self.get_knit_index(transport, "filename", "w",
425
create=True, file_mode="wb", create_parent_dir=True,
426
delay_create=True, dir_mode=0777)
427
self.assertEqual([], transport.calls)
429
index.add_versions([])
430
name, (filename, f), kwargs = transport.calls.pop(0)
431
self.assertEqual("put_file_non_atomic", name)
433
{"dir_mode": 0777, "create_parent_dir": True, "mode": "wb"},
435
self.assertEqual("filename", filename)
436
self.assertEqual(index.HEADER, f.read())
438
index.add_versions([])
439
self.assertEqual(("append_bytes", ("filename", ""), {}),
440
transport.calls.pop(0))
909
442
def test_read_utf8_version_id(self):
910
443
unicode_revision_id = u"version-\N{CYRILLIC CAPITAL LETTER A}"
911
444
utf8_revision_id = unicode_revision_id.encode('utf-8')
912
445
transport = MockTransport([
914
447
'%s option 0 1 :' % (utf8_revision_id,)
916
449
index = self.get_knit_index(transport, "filename", "r")
917
# _KndxIndex is a private class, and deals in utf8 revision_ids, not
450
# _KnitIndex is a private class, and deals in utf8 revision_ids, not
918
451
# Unicode revision_ids.
919
self.assertEqual({(utf8_revision_id,):()},
920
index.get_parent_map(index.keys()))
921
self.assertFalse((unicode_revision_id,) in index.keys())
452
self.assertTrue(index.has_version(utf8_revision_id))
453
self.assertFalse(index.has_version(unicode_revision_id))
923
455
def test_read_utf8_parents(self):
924
456
unicode_revision_id = u"version-\N{CYRILLIC CAPITAL LETTER A}"
925
457
utf8_revision_id = unicode_revision_id.encode('utf-8')
926
458
transport = MockTransport([
928
460
"version option 0 1 .%s :" % (utf8_revision_id,)
930
462
index = self.get_knit_index(transport, "filename", "r")
931
self.assertEqual({("version",):((utf8_revision_id,),)},
932
index.get_parent_map(index.keys()))
463
self.assertEqual([utf8_revision_id],
464
index.get_parents_with_ghosts("version"))
934
466
def test_read_ignore_corrupted_lines(self):
935
467
transport = MockTransport([
938
470
"corrupted options 0 1 .b .c ",
939
471
"version options 0 1 :"
941
473
index = self.get_knit_index(transport, "filename", "r")
942
self.assertEqual(1, len(index.keys()))
943
self.assertEqual(set([("version",)]), index.keys())
474
self.assertEqual(1, index.num_versions())
475
self.assertTrue(index.has_version("version"))
945
477
def test_read_corrupted_header(self):
946
478
transport = MockTransport(['not a bzr knit index header\n'])
947
index = self.get_knit_index(transport, "filename", "r")
948
self.assertRaises(KnitHeaderError, index.keys)
479
self.assertRaises(KnitHeaderError,
480
self.get_knit_index, transport, "filename", "r")
950
482
def test_read_duplicate_entries(self):
951
483
transport = MockTransport([
953
485
"parent options 0 1 :",
954
486
"version options1 0 1 0 :",
955
487
"version options2 1 2 .other :",
956
488
"version options3 3 4 0 .other :"
958
490
index = self.get_knit_index(transport, "filename", "r")
959
self.assertEqual(2, len(index.keys()))
491
self.assertEqual(2, index.num_versions())
960
492
# check that the index used is the first one written. (Specific
961
493
# to KnitIndex style indices.
962
self.assertEqual("1", index._dictionary_compress([("version",)]))
963
self.assertEqual((("version",), 3, 4), index.get_position(("version",)))
964
self.assertEqual(["options3"], index.get_options(("version",)))
965
self.assertEqual({("version",):(("parent",), ("other",))},
966
index.get_parent_map([("version",)]))
494
self.assertEqual("1", index._version_list_to_index(["version"]))
495
self.assertEqual((None, 3, 4), index.get_position("version"))
496
self.assertEqual(["options3"], index.get_options("version"))
497
self.assertEqual(["parent", "other"],
498
index.get_parents_with_ghosts("version"))
968
500
def test_read_compressed_parents(self):
969
501
transport = MockTransport([
971
503
"a option 0 1 :",
972
504
"b option 0 1 0 :",
973
505
"c option 0 1 1 0 :",
975
507
index = self.get_knit_index(transport, "filename", "r")
976
self.assertEqual({("b",):(("a",),), ("c",):(("b",), ("a",))},
977
index.get_parent_map([("b",), ("c",)]))
508
self.assertEqual(["a"], index.get_parents("b"))
509
self.assertEqual(["b", "a"], index.get_parents("c"))
979
511
def test_write_utf8_version_id(self):
980
512
unicode_revision_id = u"version-\N{CYRILLIC CAPITAL LETTER A}"
981
513
utf8_revision_id = unicode_revision_id.encode('utf-8')
982
514
transport = MockTransport([
985
517
index = self.get_knit_index(transport, "filename", "r")
987
((utf8_revision_id,), ["option"], ((utf8_revision_id,), 0, 1), [])])
988
call = transport.calls.pop(0)
989
# call[1][1] is a StringIO - we can't test it by simple equality.
990
self.assertEqual('put_file_non_atomic', call[0])
991
self.assertEqual('filename.kndx', call[1][0])
992
# With no history, _KndxIndex writes a new index:
993
self.assertEqual(_KndxIndex.HEADER +
994
"\n%s option 0 1 :" % (utf8_revision_id,),
995
call[1][1].getvalue())
996
self.assertEqual({'create_parent_dir': True}, call[2])
518
index.add_version(utf8_revision_id, ["option"], (None, 0, 1), [])
519
self.assertEqual(("append_bytes", ("filename",
520
"\n%s option 0 1 :" % (utf8_revision_id,)),
522
transport.calls.pop(0))
998
524
def test_write_utf8_parents(self):
999
525
unicode_revision_id = u"version-\N{CYRILLIC CAPITAL LETTER A}"
1000
526
utf8_revision_id = unicode_revision_id.encode('utf-8')
1001
527
transport = MockTransport([
1004
index = self.get_knit_index(transport, "filename", "r")
1006
(("version",), ["option"], (("version",), 0, 1), [(utf8_revision_id,)])])
1007
call = transport.calls.pop(0)
1008
# call[1][1] is a StringIO - we can't test it by simple equality.
1009
self.assertEqual('put_file_non_atomic', call[0])
1010
self.assertEqual('filename.kndx', call[1][0])
1011
# With no history, _KndxIndex writes a new index:
1012
self.assertEqual(_KndxIndex.HEADER +
1013
"\nversion option 0 1 .%s :" % (utf8_revision_id,),
1014
call[1][1].getvalue())
1015
self.assertEqual({'create_parent_dir': True}, call[2])
1017
def test_keys(self):
1018
transport = MockTransport([
1021
index = self.get_knit_index(transport, "filename", "r")
1023
self.assertEqual(set(), index.keys())
1025
index.add_records([(("a",), ["option"], (("a",), 0, 1), [])])
1026
self.assertEqual(set([("a",)]), index.keys())
1028
index.add_records([(("a",), ["option"], (("a",), 0, 1), [])])
1029
self.assertEqual(set([("a",)]), index.keys())
1031
index.add_records([(("b",), ["option"], (("b",), 0, 1), [])])
1032
self.assertEqual(set([("a",), ("b",)]), index.keys())
1034
def add_a_b(self, index, random_id=None):
1036
if random_id is not None:
1037
kwargs["random_id"] = random_id
1039
(("a",), ["option"], (("a",), 0, 1), [("b",)]),
1040
(("a",), ["opt"], (("a",), 1, 2), [("c",)]),
1041
(("b",), ["option"], (("b",), 2, 3), [("a",)])
1044
def assertIndexIsAB(self, index):
1049
index.get_parent_map(index.keys()))
1050
self.assertEqual((("a",), 1, 2), index.get_position(("a",)))
1051
self.assertEqual((("b",), 2, 3), index.get_position(("b",)))
1052
self.assertEqual(["opt"], index.get_options(("a",)))
530
index = self.get_knit_index(transport, "filename", "r")
531
index.add_version("version", ["option"], (None, 0, 1), [utf8_revision_id])
532
self.assertEqual(("append_bytes", ("filename",
533
"\nversion option 0 1 .%s :" % (utf8_revision_id,)),
535
transport.calls.pop(0))
537
def test_get_graph(self):
538
transport = MockTransport()
539
index = self.get_knit_index(transport, "filename", "w", create=True)
540
self.assertEqual([], index.get_graph())
542
index.add_version("a", ["option"], (None, 0, 1), ["b"])
543
self.assertEqual([("a", ["b"])], index.get_graph())
545
index.add_version("c", ["option"], (None, 0, 1), ["d"])
546
self.assertEqual([("a", ["b"]), ("c", ["d"])],
547
sorted(index.get_graph()))
549
def test_get_ancestry(self):
550
transport = MockTransport([
553
"b option 0 1 0 .e :",
554
"c option 0 1 1 0 :",
555
"d option 0 1 2 .f :"
557
index = self.get_knit_index(transport, "filename", "r")
559
self.assertEqual([], index.get_ancestry([]))
560
self.assertEqual(["a"], index.get_ancestry(["a"]))
561
self.assertEqual(["a", "b"], index.get_ancestry(["b"]))
562
self.assertEqual(["a", "b", "c"], index.get_ancestry(["c"]))
563
self.assertEqual(["a", "b", "c", "d"], index.get_ancestry(["d"]))
564
self.assertEqual(["a", "b"], index.get_ancestry(["a", "b"]))
565
self.assertEqual(["a", "b", "c"], index.get_ancestry(["a", "c"]))
567
self.assertRaises(RevisionNotPresent, index.get_ancestry, ["e"])
569
def test_get_ancestry_with_ghosts(self):
570
transport = MockTransport([
573
"b option 0 1 0 .e :",
574
"c option 0 1 0 .f .g :",
575
"d option 0 1 2 .h .j .k :"
577
index = self.get_knit_index(transport, "filename", "r")
579
self.assertEqual([], index.get_ancestry_with_ghosts([]))
580
self.assertEqual(["a"], index.get_ancestry_with_ghosts(["a"]))
581
self.assertEqual(["a", "e", "b"],
582
index.get_ancestry_with_ghosts(["b"]))
583
self.assertEqual(["a", "g", "f", "c"],
584
index.get_ancestry_with_ghosts(["c"]))
585
self.assertEqual(["a", "g", "f", "c", "k", "j", "h", "d"],
586
index.get_ancestry_with_ghosts(["d"]))
587
self.assertEqual(["a", "e", "b"],
588
index.get_ancestry_with_ghosts(["a", "b"]))
589
self.assertEqual(["a", "g", "f", "c"],
590
index.get_ancestry_with_ghosts(["a", "c"]))
592
["a", "g", "f", "c", "e", "b", "k", "j", "h", "d"],
593
index.get_ancestry_with_ghosts(["b", "d"]))
595
self.assertRaises(RevisionNotPresent,
596
index.get_ancestry_with_ghosts, ["e"])
598
def test_iter_parents(self):
599
transport = MockTransport()
600
index = self.get_knit_index(transport, "filename", "w", create=True)
602
index.add_version('r0', ['option'], (None, 0, 1), [])
604
index.add_version('r1', ['option'], (None, 0, 1), ['r0'])
606
index.add_version('r2', ['option'], (None, 0, 1), ['r1', 'r0'])
608
# cases: each sample data individually:
609
self.assertEqual(set([('r0', ())]),
610
set(index.iter_parents(['r0'])))
611
self.assertEqual(set([('r1', ('r0', ))]),
612
set(index.iter_parents(['r1'])))
613
self.assertEqual(set([('r2', ('r1', 'r0'))]),
614
set(index.iter_parents(['r2'])))
615
# no nodes returned for a missing node
616
self.assertEqual(set(),
617
set(index.iter_parents(['missing'])))
618
# 1 node returned with missing nodes skipped
619
self.assertEqual(set([('r1', ('r0', ))]),
620
set(index.iter_parents(['ghost1', 'r1', 'ghost'])))
622
self.assertEqual(set([('r0', ()), ('r1', ('r0', ))]),
623
set(index.iter_parents(['r0', 'r1'])))
624
# 2 nodes returned, missing skipped
625
self.assertEqual(set([('r0', ()), ('r1', ('r0', ))]),
626
set(index.iter_parents(['a', 'r0', 'b', 'r1', 'c'])))
628
def test_num_versions(self):
629
transport = MockTransport([
632
index = self.get_knit_index(transport, "filename", "r")
634
self.assertEqual(0, index.num_versions())
635
self.assertEqual(0, len(index))
637
index.add_version("a", ["option"], (None, 0, 1), [])
638
self.assertEqual(1, index.num_versions())
639
self.assertEqual(1, len(index))
641
index.add_version("a", ["option2"], (None, 1, 2), [])
642
self.assertEqual(1, index.num_versions())
643
self.assertEqual(1, len(index))
645
index.add_version("b", ["option"], (None, 0, 1), [])
646
self.assertEqual(2, index.num_versions())
647
self.assertEqual(2, len(index))
649
def test_get_versions(self):
650
transport = MockTransport([
653
index = self.get_knit_index(transport, "filename", "r")
655
self.assertEqual([], index.get_versions())
657
index.add_version("a", ["option"], (None, 0, 1), [])
658
self.assertEqual(["a"], index.get_versions())
660
index.add_version("a", ["option"], (None, 0, 1), [])
661
self.assertEqual(["a"], index.get_versions())
663
index.add_version("b", ["option"], (None, 0, 1), [])
664
self.assertEqual(["a", "b"], index.get_versions())
666
def test_add_version(self):
667
transport = MockTransport([
670
index = self.get_knit_index(transport, "filename", "r")
672
index.add_version("a", ["option"], (None, 0, 1), ["b"])
673
self.assertEqual(("append_bytes",
674
("filename", "\na option 0 1 .b :"),
675
{}), transport.calls.pop(0))
676
self.assertTrue(index.has_version("a"))
677
self.assertEqual(1, index.num_versions())
678
self.assertEqual((None, 0, 1), index.get_position("a"))
679
self.assertEqual(["option"], index.get_options("a"))
680
self.assertEqual(["b"], index.get_parents_with_ghosts("a"))
682
index.add_version("a", ["opt"], (None, 1, 2), ["c"])
683
self.assertEqual(("append_bytes",
684
("filename", "\na opt 1 2 .c :"),
685
{}), transport.calls.pop(0))
686
self.assertTrue(index.has_version("a"))
687
self.assertEqual(1, index.num_versions())
688
self.assertEqual((None, 1, 2), index.get_position("a"))
689
self.assertEqual(["opt"], index.get_options("a"))
690
self.assertEqual(["c"], index.get_parents_with_ghosts("a"))
692
index.add_version("b", ["option"], (None, 2, 3), ["a"])
693
self.assertEqual(("append_bytes",
694
("filename", "\nb option 2 3 0 :"),
695
{}), transport.calls.pop(0))
696
self.assertTrue(index.has_version("b"))
697
self.assertEqual(2, index.num_versions())
698
self.assertEqual((None, 2, 3), index.get_position("b"))
699
self.assertEqual(["option"], index.get_options("b"))
700
self.assertEqual(["a"], index.get_parents_with_ghosts("b"))
1054
702
def test_add_versions(self):
1055
703
transport = MockTransport([
1058
706
index = self.get_knit_index(transport, "filename", "r")
1061
call = transport.calls.pop(0)
1062
# call[1][1] is a StringIO - we can't test it by simple equality.
1063
self.assertEqual('put_file_non_atomic', call[0])
1064
self.assertEqual('filename.kndx', call[1][0])
1065
# With no history, _KndxIndex writes a new index:
709
("a", ["option"], (None, 0, 1), ["b"]),
710
("a", ["opt"], (None, 1, 2), ["c"]),
711
("b", ["option"], (None, 2, 3), ["a"])
713
self.assertEqual(("append_bytes", ("filename",
1068
714
"\na option 0 1 .b :"
1069
715
"\na opt 1 2 .c :"
1070
"\nb option 2 3 0 :",
1071
call[1][1].getvalue())
1072
self.assertEqual({'create_parent_dir': True}, call[2])
1073
self.assertIndexIsAB(index)
1075
def test_add_versions_random_id_is_accepted(self):
1076
transport = MockTransport([
1079
index = self.get_knit_index(transport, "filename", "r")
1080
self.add_a_b(index, random_id=True)
717
), {}), transport.calls.pop(0))
718
self.assertTrue(index.has_version("a"))
719
self.assertTrue(index.has_version("b"))
720
self.assertEqual(2, index.num_versions())
721
self.assertEqual((None, 1, 2), index.get_position("a"))
722
self.assertEqual((None, 2, 3), index.get_position("b"))
723
self.assertEqual(["opt"], index.get_options("a"))
724
self.assertEqual(["option"], index.get_options("b"))
725
self.assertEqual(["c"], index.get_parents_with_ghosts("a"))
726
self.assertEqual(["a"], index.get_parents_with_ghosts("b"))
1082
728
def test_delay_create_and_add_versions(self):
1083
729
transport = MockTransport()
1085
index = self.get_knit_index(transport, "filename", "w")
731
index = self.get_knit_index(transport, "filename", "w",
732
create=True, file_mode="wb", create_parent_dir=True,
733
delay_create=True, dir_mode=0777)
1087
734
self.assertEqual([], transport.calls)
1090
#[ {"dir_mode": 0777, "create_parent_dir": True, "mode": "wb"},
1092
# Two calls: one during which we load the existing index (and when its
1093
# missing create it), then a second where we write the contents out.
1094
self.assertEqual(2, len(transport.calls))
1095
call = transport.calls.pop(0)
1096
self.assertEqual('put_file_non_atomic', call[0])
1097
self.assertEqual('filename.kndx', call[1][0])
1098
# With no history, _KndxIndex writes a new index:
1099
self.assertEqual(_KndxIndex.HEADER, call[1][1].getvalue())
1100
self.assertEqual({'create_parent_dir': True}, call[2])
1101
call = transport.calls.pop(0)
1102
# call[1][1] is a StringIO - we can't test it by simple equality.
1103
self.assertEqual('put_file_non_atomic', call[0])
1104
self.assertEqual('filename.kndx', call[1][0])
1105
# With no history, _KndxIndex writes a new index:
737
("a", ["option"], (None, 0, 1), ["b"]),
738
("a", ["opt"], (None, 1, 2), ["c"]),
739
("b", ["option"], (None, 2, 3), ["a"])
741
name, (filename, f), kwargs = transport.calls.pop(0)
742
self.assertEqual("put_file_non_atomic", name)
744
{"dir_mode": 0777, "create_parent_dir": True, "mode": "wb"},
746
self.assertEqual("filename", filename)
1108
749
"\na option 0 1 .b :"
1109
750
"\na opt 1 2 .c :"
1110
751
"\nb option 2 3 0 :",
1111
call[1][1].getvalue())
1112
self.assertEqual({'create_parent_dir': True}, call[2])
1114
def assertTotalBuildSize(self, size, keys, positions):
1115
self.assertEqual(size,
1116
knit._get_total_build_size(None, keys, positions))
1118
def test__get_total_build_size(self):
1120
('a',): (('fulltext', False), (('a',), 0, 100), None),
1121
('b',): (('line-delta', False), (('b',), 100, 21), ('a',)),
1122
('c',): (('line-delta', False), (('c',), 121, 35), ('b',)),
1123
('d',): (('line-delta', False), (('d',), 156, 12), ('b',)),
1125
self.assertTotalBuildSize(100, [('a',)], positions)
1126
self.assertTotalBuildSize(121, [('b',)], positions)
1127
# c needs both a & b
1128
self.assertTotalBuildSize(156, [('c',)], positions)
1129
# we shouldn't count 'b' twice
1130
self.assertTotalBuildSize(156, [('b',), ('c',)], positions)
1131
self.assertTotalBuildSize(133, [('d',)], positions)
1132
self.assertTotalBuildSize(168, [('c',), ('d',)], positions)
754
def test_has_version(self):
755
transport = MockTransport([
759
index = self.get_knit_index(transport, "filename", "r")
761
self.assertTrue(index.has_version("a"))
762
self.assertFalse(index.has_version("b"))
1134
764
def test_get_position(self):
1135
765
transport = MockTransport([
1137
767
"a option 0 1 :",
1138
768
"b option 1 2 :"
1140
770
index = self.get_knit_index(transport, "filename", "r")
1142
self.assertEqual((("a",), 0, 1), index.get_position(("a",)))
1143
self.assertEqual((("b",), 1, 2), index.get_position(("b",)))
772
self.assertEqual((None, 0, 1), index.get_position("a"))
773
self.assertEqual((None, 1, 2), index.get_position("b"))
1145
775
def test_get_method(self):
1146
776
transport = MockTransport([
1148
778
"a fulltext,unknown 0 1 :",
1149
779
"b unknown,line-delta 1 2 :",
1258
921
def test_invalid_size(self):
1259
922
transport = MockTransport([
1261
924
"a option 1 1v :",
1263
index = self.get_knit_index(transport, 'filename', 'r')
1265
self.assertRaises(errors.KnitCorrupt, index.keys)
927
self.assertRaises(errors.KnitCorrupt,
928
self.get_knit_index, transport, 'filename', 'r')
1266
929
except TypeError, e:
1267
930
if (str(e) == ('exceptions must be strings, classes, or instances,'
1268
' not exceptions.ValueError')):
931
' not exceptions.ValueError')
932
and sys.version_info[0:2] >= (2,5)):
1269
933
self.knownFailure('Pyrex <0.9.5 fails with TypeError when'
1270
934
' raising new style exceptions with python'
1275
def test_scan_unvalidated_index_not_implemented(self):
1276
transport = MockTransport()
1277
index = self.get_knit_index(transport, 'filename', 'r')
1279
NotImplementedError, index.scan_unvalidated_index,
1280
'dummy graph_index')
1282
NotImplementedError, index.get_missing_compression_parents)
1284
939
def test_short_line(self):
1285
940
transport = MockTransport([
1287
942
"a option 0 10 :",
1288
943
"b option 10 10 0", # This line isn't terminated, ignored
1290
945
index = self.get_knit_index(transport, "filename", "r")
1291
self.assertEqual(set([('a',)]), index.keys())
946
self.assertEqual(['a'], index.get_versions())
1293
948
def test_skip_incomplete_record(self):
1294
949
# A line with bogus data should just be skipped
1295
950
transport = MockTransport([
1297
952
"a option 0 10 :",
1298
953
"b option 10 10 0", # This line isn't terminated, ignored
1299
954
"c option 20 10 0 :", # Properly terminated, and starts with '\n'
1301
956
index = self.get_knit_index(transport, "filename", "r")
1302
self.assertEqual(set([('a',), ('c',)]), index.keys())
957
self.assertEqual(['a', 'c'], index.get_versions())
1304
959
def test_trailing_characters(self):
1305
960
# A line with bogus data should just be skipped
1306
961
transport = MockTransport([
1308
963
"a option 0 10 :",
1309
964
"b option 10 10 0 :a", # This line has extra trailing characters
1310
965
"c option 20 10 0 :", # Properly terminated, and starts with '\n'
1312
967
index = self.get_knit_index(transport, "filename", "r")
1313
self.assertEqual(set([('a',), ('c',)]), index.keys())
968
self.assertEqual(['a', 'c'], index.get_versions())
1316
971
class LowLevelKnitIndexTests_c(LowLevelKnitIndexTests):
1318
_test_needs_features = [compiled_knit_feature]
1320
def get_knit_index(self, transport, name, mode):
1321
mapper = ConstantMapper(name)
1322
from bzrlib._knit_load_data_pyx import _load_data_c
1323
self.overrideAttr(knit, '_load_data', _load_data_c)
1324
allow_writes = lambda: mode == 'w'
1325
return _KndxIndex(transport, mapper, lambda:None,
1326
allow_writes, lambda:True)
1329
class Test_KnitAnnotator(TestCaseWithMemoryTransport):
1331
def make_annotator(self):
1332
factory = knit.make_pack_factory(True, True, 1)
1333
vf = factory(self.get_transport())
1334
return knit._KnitAnnotator(vf)
1336
def test__expand_fulltext(self):
1337
ann = self.make_annotator()
1338
rev_key = ('rev-id',)
1339
ann._num_compression_children[rev_key] = 1
1340
res = ann._expand_record(rev_key, (('parent-id',),), None,
1341
['line1\n', 'line2\n'], ('fulltext', True))
1342
# The content object and text lines should be cached appropriately
1343
self.assertEqual(['line1\n', 'line2'], res)
1344
content_obj = ann._content_objects[rev_key]
1345
self.assertEqual(['line1\n', 'line2\n'], content_obj._lines)
1346
self.assertEqual(res, content_obj.text())
1347
self.assertEqual(res, ann._text_cache[rev_key])
1349
def test__expand_delta_comp_parent_not_available(self):
1350
# Parent isn't available yet, so we return nothing, but queue up this
1351
# node for later processing
1352
ann = self.make_annotator()
1353
rev_key = ('rev-id',)
1354
parent_key = ('parent-id',)
1355
record = ['0,1,1\n', 'new-line\n']
1356
details = ('line-delta', False)
1357
res = ann._expand_record(rev_key, (parent_key,), parent_key,
1359
self.assertEqual(None, res)
1360
self.assertTrue(parent_key in ann._pending_deltas)
1361
pending = ann._pending_deltas[parent_key]
1362
self.assertEqual(1, len(pending))
1363
self.assertEqual((rev_key, (parent_key,), record, details), pending[0])
1365
def test__expand_record_tracks_num_children(self):
1366
ann = self.make_annotator()
1367
rev_key = ('rev-id',)
1368
rev2_key = ('rev2-id',)
1369
parent_key = ('parent-id',)
1370
record = ['0,1,1\n', 'new-line\n']
1371
details = ('line-delta', False)
1372
ann._num_compression_children[parent_key] = 2
1373
ann._expand_record(parent_key, (), None, ['line1\n', 'line2\n'],
1374
('fulltext', False))
1375
res = ann._expand_record(rev_key, (parent_key,), parent_key,
1377
self.assertEqual({parent_key: 1}, ann._num_compression_children)
1378
# Expanding the second child should remove the content object, and the
1379
# num_compression_children entry
1380
res = ann._expand_record(rev2_key, (parent_key,), parent_key,
1382
self.assertFalse(parent_key in ann._content_objects)
1383
self.assertEqual({}, ann._num_compression_children)
1384
# We should not cache the content_objects for rev2 and rev, because
1385
# they do not have compression children of their own.
1386
self.assertEqual({}, ann._content_objects)
1388
def test__expand_delta_records_blocks(self):
1389
ann = self.make_annotator()
1390
rev_key = ('rev-id',)
1391
parent_key = ('parent-id',)
1392
record = ['0,1,1\n', 'new-line\n']
1393
details = ('line-delta', True)
1394
ann._num_compression_children[parent_key] = 2
1395
ann._expand_record(parent_key, (), None,
1396
['line1\n', 'line2\n', 'line3\n'],
1397
('fulltext', False))
1398
ann._expand_record(rev_key, (parent_key,), parent_key, record, details)
1399
self.assertEqual({(rev_key, parent_key): [(1, 1, 1), (3, 3, 0)]},
1400
ann._matching_blocks)
1401
rev2_key = ('rev2-id',)
1402
record = ['0,1,1\n', 'new-line\n']
1403
details = ('line-delta', False)
1404
ann._expand_record(rev2_key, (parent_key,), parent_key, record, details)
1405
self.assertEqual([(1, 1, 2), (3, 3, 0)],
1406
ann._matching_blocks[(rev2_key, parent_key)])
1408
def test__get_parent_ann_uses_matching_blocks(self):
1409
ann = self.make_annotator()
1410
rev_key = ('rev-id',)
1411
parent_key = ('parent-id',)
1412
parent_ann = [(parent_key,)]*3
1413
block_key = (rev_key, parent_key)
1414
ann._annotations_cache[parent_key] = parent_ann
1415
ann._matching_blocks[block_key] = [(0, 1, 1), (3, 3, 0)]
1416
# We should not try to access any parent_lines content, because we know
1417
# we already have the matching blocks
1418
par_ann, blocks = ann._get_parent_annotations_and_matches(rev_key,
1419
['1\n', '2\n', '3\n'], parent_key)
1420
self.assertEqual(parent_ann, par_ann)
1421
self.assertEqual([(0, 1, 1), (3, 3, 0)], blocks)
1422
self.assertEqual({}, ann._matching_blocks)
1424
def test__process_pending(self):
1425
ann = self.make_annotator()
1426
rev_key = ('rev-id',)
1429
record = ['0,1,1\n', 'new-line\n']
1430
details = ('line-delta', False)
1431
p1_record = ['line1\n', 'line2\n']
1432
ann._num_compression_children[p1_key] = 1
1433
res = ann._expand_record(rev_key, (p1_key,p2_key), p1_key,
1435
self.assertEqual(None, res)
1436
# self.assertTrue(p1_key in ann._pending_deltas)
1437
self.assertEqual({}, ann._pending_annotation)
1438
# Now insert p1, and we should be able to expand the delta
1439
res = ann._expand_record(p1_key, (), None, p1_record,
1440
('fulltext', False))
1441
self.assertEqual(p1_record, res)
1442
ann._annotations_cache[p1_key] = [(p1_key,)]*2
1443
res = ann._process_pending(p1_key)
1444
self.assertEqual([], res)
1445
self.assertFalse(p1_key in ann._pending_deltas)
1446
self.assertTrue(p2_key in ann._pending_annotation)
1447
self.assertEqual({p2_key: [(rev_key, (p1_key, p2_key))]},
1448
ann._pending_annotation)
1449
# Now fill in parent 2, and pending annotation should be satisfied
1450
res = ann._expand_record(p2_key, (), None, [], ('fulltext', False))
1451
ann._annotations_cache[p2_key] = []
1452
res = ann._process_pending(p2_key)
1453
self.assertEqual([rev_key], res)
1454
self.assertEqual({}, ann._pending_annotation)
1455
self.assertEqual({}, ann._pending_deltas)
1457
def test_record_delta_removes_basis(self):
1458
ann = self.make_annotator()
1459
ann._expand_record(('parent-id',), (), None,
1460
['line1\n', 'line2\n'], ('fulltext', False))
1461
ann._num_compression_children['parent-id'] = 2
1463
def test_annotate_special_text(self):
1464
ann = self.make_annotator()
1466
rev1_key = ('rev-1',)
1467
rev2_key = ('rev-2',)
1468
rev3_key = ('rev-3',)
1469
spec_key = ('special:',)
1470
vf.add_lines(rev1_key, [], ['initial content\n'])
1471
vf.add_lines(rev2_key, [rev1_key], ['initial content\n',
1474
vf.add_lines(rev3_key, [rev1_key], ['initial content\n',
1477
spec_text = ('initial content\n'
1481
ann.add_special_text(spec_key, [rev2_key, rev3_key], spec_text)
1482
anns, lines = ann.annotate(spec_key)
1483
self.assertEqual([(rev1_key,),
1484
(rev2_key, rev3_key),
1488
self.assertEqualDiff(spec_text, ''.join(lines))
973
_test_needs_features = [CompiledKnitFeature]
975
def get_knit_index(self, *args, **kwargs):
976
orig = knit._load_data
978
knit._load_data = orig
979
self.addCleanup(reset)
980
from bzrlib._knit_load_data_c import _load_data_c
981
knit._load_data = _load_data_c
982
return _KnitIndex(*args, **kwargs)
1491
986
class KnitTests(TestCaseWithTransport):
1492
987
"""Class containing knit test helper routines."""
1494
def make_test_knit(self, annotate=False, name='test'):
1495
mapper = ConstantMapper(name)
1496
return make_file_factory(annotate, mapper)(self.get_transport())
1499
class TestBadShaError(KnitTests):
1500
"""Tests for handling of sha errors."""
1502
def test_sha_exception_has_text(self):
1503
# having the failed text included in the error allows for recovery.
1504
source = self.make_test_knit()
1505
target = self.make_test_knit(name="target")
1506
if not source._max_delta_chain:
1507
raise TestNotApplicable(
1508
"cannot get delta-caused sha failures without deltas.")
1511
broken = ('broken',)
1512
source.add_lines(basis, (), ['foo\n'])
1513
source.add_lines(broken, (basis,), ['foo\n', 'bar\n'])
1514
# Seed target with a bad basis text
1515
target.add_lines(basis, (), ['gam\n'])
1516
target.insert_record_stream(
1517
source.get_record_stream([broken], 'unordered', False))
1518
err = self.assertRaises(errors.KnitCorrupt,
1519
target.get_record_stream([broken], 'unordered', True
1520
).next().get_bytes_as, 'chunked')
1521
self.assertEqual(['gam\n', 'bar\n'], err.content)
1522
# Test for formatting with live data
1523
self.assertStartsWith(str(err), "Knit ")
989
def make_test_knit(self, annotate=False, delay_create=False, index=None):
991
factory = KnitPlainFactory()
994
return KnitVersionedFile('test', get_transport('.'), access_mode='w',
995
factory=factory, create=True,
996
delay_create=delay_create, index=index)
999
class BasicKnitTests(KnitTests):
1001
def add_stock_one_and_one_a(self, k):
1002
k.add_lines('text-1', [], split_lines(TEXT_1))
1003
k.add_lines('text-1a', ['text-1'], split_lines(TEXT_1A))
1005
def test_knit_constructor(self):
1006
"""Construct empty k"""
1007
self.make_test_knit()
1009
def test_make_explicit_index(self):
1010
"""We can supply an index to use."""
1011
knit = KnitVersionedFile('test', get_transport('.'),
1012
index='strangelove')
1013
self.assertEqual(knit._index, 'strangelove')
1015
def test_knit_add(self):
1016
"""Store one text in knit and retrieve"""
1017
k = self.make_test_knit()
1018
k.add_lines('text-1', [], split_lines(TEXT_1))
1019
self.assertTrue(k.has_version('text-1'))
1020
self.assertEqualDiff(''.join(k.get_lines('text-1')), TEXT_1)
1022
def test_knit_reload(self):
1023
# test that the content in a reloaded knit is correct
1024
k = self.make_test_knit()
1025
k.add_lines('text-1', [], split_lines(TEXT_1))
1027
k2 = KnitVersionedFile('test', get_transport('.'), access_mode='r', factory=KnitPlainFactory(), create=True)
1028
self.assertTrue(k2.has_version('text-1'))
1029
self.assertEqualDiff(''.join(k2.get_lines('text-1')), TEXT_1)
1031
def test_knit_several(self):
1032
"""Store several texts in a knit"""
1033
k = self.make_test_knit()
1034
k.add_lines('text-1', [], split_lines(TEXT_1))
1035
k.add_lines('text-2', [], split_lines(TEXT_2))
1036
self.assertEqualDiff(''.join(k.get_lines('text-1')), TEXT_1)
1037
self.assertEqualDiff(''.join(k.get_lines('text-2')), TEXT_2)
1039
def test_repeated_add(self):
1040
"""Knit traps attempt to replace existing version"""
1041
k = self.make_test_knit()
1042
k.add_lines('text-1', [], split_lines(TEXT_1))
1043
self.assertRaises(RevisionAlreadyPresent,
1045
'text-1', [], split_lines(TEXT_1))
1047
def test_empty(self):
1048
k = self.make_test_knit(True)
1049
k.add_lines('text-1', [], [])
1050
self.assertEquals(k.get_lines('text-1'), [])
1052
def test_incomplete(self):
1053
"""Test if texts without a ending line-end can be inserted and
1055
k = KnitVersionedFile('test', get_transport('.'), delta=False, create=True)
1056
k.add_lines('text-1', [], ['a\n', 'b' ])
1057
k.add_lines('text-2', ['text-1'], ['a\rb\n', 'b\n'])
1058
# reopening ensures maximum room for confusion
1059
k = KnitVersionedFile('test', get_transport('.'), delta=False, create=True)
1060
self.assertEquals(k.get_lines('text-1'), ['a\n', 'b' ])
1061
self.assertEquals(k.get_lines('text-2'), ['a\rb\n', 'b\n'])
1063
def test_delta(self):
1064
"""Expression of knit delta as lines"""
1065
k = self.make_test_knit()
1067
td = list(line_delta(TEXT_1.splitlines(True),
1068
TEXT_1A.splitlines(True)))
1069
self.assertEqualDiff(''.join(td), delta_1_1a)
1070
out = apply_line_delta(TEXT_1.splitlines(True), td)
1071
self.assertEqualDiff(''.join(out), TEXT_1A)
1073
def assertDerivedBlocksEqual(self, source, target, noeol=False):
1074
"""Assert that the derived matching blocks match real output"""
1075
source_lines = source.splitlines(True)
1076
target_lines = target.splitlines(True)
1078
if noeol and not line.endswith('\n'):
1082
source_content = KnitContent([(None, nl(l)) for l in source_lines])
1083
target_content = KnitContent([(None, nl(l)) for l in target_lines])
1084
line_delta = source_content.line_delta(target_content)
1085
delta_blocks = list(KnitContent.get_line_delta_blocks(line_delta,
1086
source_lines, target_lines))
1087
matcher = KnitSequenceMatcher(None, source_lines, target_lines)
1088
matcher_blocks = list(list(matcher.get_matching_blocks()))
1089
self.assertEqual(matcher_blocks, delta_blocks)
1091
def test_get_line_delta_blocks(self):
1092
self.assertDerivedBlocksEqual('a\nb\nc\n', 'q\nc\n')
1093
self.assertDerivedBlocksEqual(TEXT_1, TEXT_1)
1094
self.assertDerivedBlocksEqual(TEXT_1, TEXT_1A)
1095
self.assertDerivedBlocksEqual(TEXT_1, TEXT_1B)
1096
self.assertDerivedBlocksEqual(TEXT_1B, TEXT_1A)
1097
self.assertDerivedBlocksEqual(TEXT_1A, TEXT_1B)
1098
self.assertDerivedBlocksEqual(TEXT_1A, '')
1099
self.assertDerivedBlocksEqual('', TEXT_1A)
1100
self.assertDerivedBlocksEqual('', '')
1101
self.assertDerivedBlocksEqual('a\nb\nc', 'a\nb\nc\nd')
1103
def test_get_line_delta_blocks_noeol(self):
1104
"""Handle historical knit deltas safely
1106
Some existing knit deltas don't consider the last line to differ
1107
when the only difference whether it has a final newline.
1109
New knit deltas appear to always consider the last line to differ
1112
self.assertDerivedBlocksEqual('a\nb\nc', 'a\nb\nc\nd\n', noeol=True)
1113
self.assertDerivedBlocksEqual('a\nb\nc\nd\n', 'a\nb\nc', noeol=True)
1114
self.assertDerivedBlocksEqual('a\nb\nc\n', 'a\nb\nc', noeol=True)
1115
self.assertDerivedBlocksEqual('a\nb\nc', 'a\nb\nc\n', noeol=True)
1117
def test_add_with_parents(self):
1118
"""Store in knit with parents"""
1119
k = self.make_test_knit()
1120
self.add_stock_one_and_one_a(k)
1121
self.assertEquals(k.get_parents('text-1'), [])
1122
self.assertEquals(k.get_parents('text-1a'), ['text-1'])
1124
def test_ancestry(self):
1125
"""Store in knit with parents"""
1126
k = self.make_test_knit()
1127
self.add_stock_one_and_one_a(k)
1128
self.assertEquals(set(k.get_ancestry(['text-1a'])), set(['text-1a', 'text-1']))
1130
def test_add_delta(self):
1131
"""Store in knit with parents"""
1132
k = KnitVersionedFile('test', get_transport('.'), factory=KnitPlainFactory(),
1133
delta=True, create=True)
1134
self.add_stock_one_and_one_a(k)
1136
self.assertEqualDiff(''.join(k.get_lines('text-1a')), TEXT_1A)
1138
def test_add_delta_knit_graph_index(self):
1139
"""Does adding work with a KnitGraphIndex."""
1140
index = InMemoryGraphIndex(2)
1141
knit_index = KnitGraphIndex(index, add_callback=index.add_nodes,
1143
k = KnitVersionedFile('test', get_transport('.'),
1144
delta=True, create=True, index=knit_index)
1145
self.add_stock_one_and_one_a(k)
1147
self.assertEqualDiff(''.join(k.get_lines('text-1a')), TEXT_1A)
1148
# check the index had the right data added.
1149
self.assertEqual(set([
1150
(index, ('text-1', ), ' 0 127', ((), ())),
1151
(index, ('text-1a', ), ' 127 140', ((('text-1', ),), (('text-1', ),))),
1152
]), set(index.iter_all_entries()))
1153
# we should not have a .kndx file
1154
self.assertFalse(get_transport('.').has('test.kndx'))
1156
def test_annotate(self):
1158
k = KnitVersionedFile('knit', get_transport('.'), factory=KnitAnnotateFactory(),
1159
delta=True, create=True)
1160
self.insert_and_test_small_annotate(k)
1162
def insert_and_test_small_annotate(self, k):
1163
"""test annotation with k works correctly."""
1164
k.add_lines('text-1', [], ['a\n', 'b\n'])
1165
k.add_lines('text-2', ['text-1'], ['a\n', 'c\n'])
1167
origins = k.annotate('text-2')
1168
self.assertEquals(origins[0], ('text-1', 'a\n'))
1169
self.assertEquals(origins[1], ('text-2', 'c\n'))
1171
def test_annotate_fulltext(self):
1173
k = KnitVersionedFile('knit', get_transport('.'), factory=KnitAnnotateFactory(),
1174
delta=False, create=True)
1175
self.insert_and_test_small_annotate(k)
1177
def test_annotate_merge_1(self):
1178
k = self.make_test_knit(True)
1179
k.add_lines('text-a1', [], ['a\n', 'b\n'])
1180
k.add_lines('text-a2', [], ['d\n', 'c\n'])
1181
k.add_lines('text-am', ['text-a1', 'text-a2'], ['d\n', 'b\n'])
1182
origins = k.annotate('text-am')
1183
self.assertEquals(origins[0], ('text-a2', 'd\n'))
1184
self.assertEquals(origins[1], ('text-a1', 'b\n'))
1186
def test_annotate_merge_2(self):
1187
k = self.make_test_knit(True)
1188
k.add_lines('text-a1', [], ['a\n', 'b\n', 'c\n'])
1189
k.add_lines('text-a2', [], ['x\n', 'y\n', 'z\n'])
1190
k.add_lines('text-am', ['text-a1', 'text-a2'], ['a\n', 'y\n', 'c\n'])
1191
origins = k.annotate('text-am')
1192
self.assertEquals(origins[0], ('text-a1', 'a\n'))
1193
self.assertEquals(origins[1], ('text-a2', 'y\n'))
1194
self.assertEquals(origins[2], ('text-a1', 'c\n'))
1196
def test_annotate_merge_9(self):
1197
k = self.make_test_knit(True)
1198
k.add_lines('text-a1', [], ['a\n', 'b\n', 'c\n'])
1199
k.add_lines('text-a2', [], ['x\n', 'y\n', 'z\n'])
1200
k.add_lines('text-am', ['text-a1', 'text-a2'], ['k\n', 'y\n', 'c\n'])
1201
origins = k.annotate('text-am')
1202
self.assertEquals(origins[0], ('text-am', 'k\n'))
1203
self.assertEquals(origins[1], ('text-a2', 'y\n'))
1204
self.assertEquals(origins[2], ('text-a1', 'c\n'))
1206
def test_annotate_merge_3(self):
1207
k = self.make_test_knit(True)
1208
k.add_lines('text-a1', [], ['a\n', 'b\n', 'c\n'])
1209
k.add_lines('text-a2', [] ,['x\n', 'y\n', 'z\n'])
1210
k.add_lines('text-am', ['text-a1', 'text-a2'], ['k\n', 'y\n', 'z\n'])
1211
origins = k.annotate('text-am')
1212
self.assertEquals(origins[0], ('text-am', 'k\n'))
1213
self.assertEquals(origins[1], ('text-a2', 'y\n'))
1214
self.assertEquals(origins[2], ('text-a2', 'z\n'))
1216
def test_annotate_merge_4(self):
1217
k = self.make_test_knit(True)
1218
k.add_lines('text-a1', [], ['a\n', 'b\n', 'c\n'])
1219
k.add_lines('text-a2', [], ['x\n', 'y\n', 'z\n'])
1220
k.add_lines('text-a3', ['text-a1'], ['a\n', 'b\n', 'p\n'])
1221
k.add_lines('text-am', ['text-a2', 'text-a3'], ['a\n', 'b\n', 'z\n'])
1222
origins = k.annotate('text-am')
1223
self.assertEquals(origins[0], ('text-a1', 'a\n'))
1224
self.assertEquals(origins[1], ('text-a1', 'b\n'))
1225
self.assertEquals(origins[2], ('text-a2', 'z\n'))
1227
def test_annotate_merge_5(self):
1228
k = self.make_test_knit(True)
1229
k.add_lines('text-a1', [], ['a\n', 'b\n', 'c\n'])
1230
k.add_lines('text-a2', [], ['d\n', 'e\n', 'f\n'])
1231
k.add_lines('text-a3', [], ['x\n', 'y\n', 'z\n'])
1232
k.add_lines('text-am',
1233
['text-a1', 'text-a2', 'text-a3'],
1234
['a\n', 'e\n', 'z\n'])
1235
origins = k.annotate('text-am')
1236
self.assertEquals(origins[0], ('text-a1', 'a\n'))
1237
self.assertEquals(origins[1], ('text-a2', 'e\n'))
1238
self.assertEquals(origins[2], ('text-a3', 'z\n'))
1240
def test_annotate_file_cherry_pick(self):
1241
k = self.make_test_knit(True)
1242
k.add_lines('text-1', [], ['a\n', 'b\n', 'c\n'])
1243
k.add_lines('text-2', ['text-1'], ['d\n', 'e\n', 'f\n'])
1244
k.add_lines('text-3', ['text-2', 'text-1'], ['a\n', 'b\n', 'c\n'])
1245
origins = k.annotate('text-3')
1246
self.assertEquals(origins[0], ('text-1', 'a\n'))
1247
self.assertEquals(origins[1], ('text-1', 'b\n'))
1248
self.assertEquals(origins[2], ('text-1', 'c\n'))
1250
def test_knit_join(self):
1251
"""Store in knit with parents"""
1252
k1 = KnitVersionedFile('test1', get_transport('.'), factory=KnitPlainFactory(), create=True)
1253
k1.add_lines('text-a', [], split_lines(TEXT_1))
1254
k1.add_lines('text-b', ['text-a'], split_lines(TEXT_1))
1256
k1.add_lines('text-c', [], split_lines(TEXT_1))
1257
k1.add_lines('text-d', ['text-c'], split_lines(TEXT_1))
1259
k1.add_lines('text-m', ['text-b', 'text-d'], split_lines(TEXT_1))
1261
k2 = KnitVersionedFile('test2', get_transport('.'), factory=KnitPlainFactory(), create=True)
1262
count = k2.join(k1, version_ids=['text-m'])
1263
self.assertEquals(count, 5)
1264
self.assertTrue(k2.has_version('text-a'))
1265
self.assertTrue(k2.has_version('text-c'))
1267
def test_reannotate(self):
1268
k1 = KnitVersionedFile('knit1', get_transport('.'),
1269
factory=KnitAnnotateFactory(), create=True)
1271
k1.add_lines('text-a', [], ['a\n', 'b\n'])
1273
k1.add_lines('text-b', ['text-a'], ['a\n', 'c\n'])
1275
k2 = KnitVersionedFile('test2', get_transport('.'),
1276
factory=KnitAnnotateFactory(), create=True)
1277
k2.join(k1, version_ids=['text-b'])
1280
k1.add_lines('text-X', ['text-b'], ['a\n', 'b\n'])
1282
k2.add_lines('text-c', ['text-b'], ['z\n', 'c\n'])
1284
k2.add_lines('text-Y', ['text-b'], ['b\n', 'c\n'])
1286
# test-c will have index 3
1287
k1.join(k2, version_ids=['text-c'])
1289
lines = k1.get_lines('text-c')
1290
self.assertEquals(lines, ['z\n', 'c\n'])
1292
origins = k1.annotate('text-c')
1293
self.assertEquals(origins[0], ('text-c', 'z\n'))
1294
self.assertEquals(origins[1], ('text-b', 'c\n'))
1296
def test_get_line_delta_texts(self):
1297
"""Make sure we can call get_texts on text with reused line deltas"""
1298
k1 = KnitVersionedFile('test1', get_transport('.'),
1299
factory=KnitPlainFactory(), create=True)
1304
parents = ['%d' % (t-1)]
1305
k1.add_lines('%d' % t, parents, ['hello\n'] * t)
1306
k1.get_texts(('%d' % t) for t in range(3))
1308
def test_iter_lines_reads_in_order(self):
1309
t = MemoryTransport()
1310
instrumented_t = TransportLogger(t)
1311
k1 = KnitVersionedFile('id', instrumented_t, create=True, delta=True)
1312
self.assertEqual([('id.kndx',)], instrumented_t._calls)
1313
# add texts with no required ordering
1314
k1.add_lines('base', [], ['text\n'])
1315
k1.add_lines('base2', [], ['text2\n'])
1317
instrumented_t._calls = []
1318
# request a last-first iteration
1319
results = list(k1.iter_lines_added_or_present_in_versions(['base2', 'base']))
1320
self.assertEqual([('id.knit', [(0, 87), (87, 89)])], instrumented_t._calls)
1321
self.assertEqual(['text\n', 'text2\n'], results)
1323
def test_create_empty_annotated(self):
1324
k1 = self.make_test_knit(True)
1326
k1.add_lines('text-a', [], ['a\n', 'b\n'])
1327
k2 = k1.create_empty('t', MemoryTransport())
1328
self.assertTrue(isinstance(k2.factory, KnitAnnotateFactory))
1329
self.assertEqual(k1.delta, k2.delta)
1330
# the generic test checks for empty content and file class
1332
def test_knit_format(self):
1333
# this tests that a new knit index file has the expected content
1334
# and that is writes the data we expect as records are added.
1335
knit = self.make_test_knit(True)
1336
# Now knit files are not created until we first add data to them
1337
self.assertFileEqual("# bzr knit index 8\n", 'test.kndx')
1338
knit.add_lines_with_ghosts('revid', ['a_ghost'], ['a\n'])
1339
self.assertFileEqual(
1340
"# bzr knit index 8\n"
1342
"revid fulltext 0 84 .a_ghost :",
1344
knit.add_lines_with_ghosts('revid2', ['revid'], ['a\n'])
1345
self.assertFileEqual(
1346
"# bzr knit index 8\n"
1347
"\nrevid fulltext 0 84 .a_ghost :"
1348
"\nrevid2 line-delta 84 82 0 :",
1350
# we should be able to load this file again
1351
knit = KnitVersionedFile('test', get_transport('.'), access_mode='r')
1352
self.assertEqual(['revid', 'revid2'], knit.versions())
1353
# write a short write to the file and ensure that its ignored
1354
indexfile = file('test.kndx', 'ab')
1355
indexfile.write('\nrevid3 line-delta 166 82 1 2 3 4 5 .phwoar:demo ')
1357
# we should be able to load this file again
1358
knit = KnitVersionedFile('test', get_transport('.'), access_mode='w')
1359
self.assertEqual(['revid', 'revid2'], knit.versions())
1360
# and add a revision with the same id the failed write had
1361
knit.add_lines('revid3', ['revid2'], ['a\n'])
1362
# and when reading it revid3 should now appear.
1363
knit = KnitVersionedFile('test', get_transport('.'), access_mode='r')
1364
self.assertEqual(['revid', 'revid2', 'revid3'], knit.versions())
1365
self.assertEqual(['revid2'], knit.get_parents('revid3'))
1367
def test_delay_create(self):
1368
"""Test that passing delay_create=True creates files late"""
1369
knit = self.make_test_knit(annotate=True, delay_create=True)
1370
self.failIfExists('test.knit')
1371
self.failIfExists('test.kndx')
1372
knit.add_lines_with_ghosts('revid', ['a_ghost'], ['a\n'])
1373
self.failUnlessExists('test.knit')
1374
self.assertFileEqual(
1375
"# bzr knit index 8\n"
1377
"revid fulltext 0 84 .a_ghost :",
1380
def test_create_parent_dir(self):
1381
"""create_parent_dir can create knits in nonexistant dirs"""
1382
# Has no effect if we don't set 'delay_create'
1383
trans = get_transport('.')
1384
self.assertRaises(NoSuchFile, KnitVersionedFile, 'dir/test',
1385
trans, access_mode='w', factory=None,
1386
create=True, create_parent_dir=True)
1387
# Nothing should have changed yet
1388
knit = KnitVersionedFile('dir/test', trans, access_mode='w',
1389
factory=None, create=True,
1390
create_parent_dir=True,
1392
self.failIfExists('dir/test.knit')
1393
self.failIfExists('dir/test.kndx')
1394
self.failIfExists('dir')
1395
knit.add_lines('revid', [], ['a\n'])
1396
self.failUnlessExists('dir')
1397
self.failUnlessExists('dir/test.knit')
1398
self.assertFileEqual(
1399
"# bzr knit index 8\n"
1401
"revid fulltext 0 84 :",
1404
def test_create_mode_700(self):
1405
trans = get_transport('.')
1406
if not trans._can_roundtrip_unix_modebits():
1407
# Can't roundtrip, so no need to run this test
1409
knit = KnitVersionedFile('dir/test', trans, access_mode='w',
1410
factory=None, create=True,
1411
create_parent_dir=True,
1415
knit.add_lines('revid', [], ['a\n'])
1416
self.assertTransportMode(trans, 'dir', 0700)
1417
self.assertTransportMode(trans, 'dir/test.knit', 0600)
1418
self.assertTransportMode(trans, 'dir/test.kndx', 0600)
1420
def test_create_mode_770(self):
1421
trans = get_transport('.')
1422
if not trans._can_roundtrip_unix_modebits():
1423
# Can't roundtrip, so no need to run this test
1425
knit = KnitVersionedFile('dir/test', trans, access_mode='w',
1426
factory=None, create=True,
1427
create_parent_dir=True,
1431
knit.add_lines('revid', [], ['a\n'])
1432
self.assertTransportMode(trans, 'dir', 0770)
1433
self.assertTransportMode(trans, 'dir/test.knit', 0660)
1434
self.assertTransportMode(trans, 'dir/test.kndx', 0660)
1436
def test_create_mode_777(self):
1437
trans = get_transport('.')
1438
if not trans._can_roundtrip_unix_modebits():
1439
# Can't roundtrip, so no need to run this test
1441
knit = KnitVersionedFile('dir/test', trans, access_mode='w',
1442
factory=None, create=True,
1443
create_parent_dir=True,
1447
knit.add_lines('revid', [], ['a\n'])
1448
self.assertTransportMode(trans, 'dir', 0777)
1449
self.assertTransportMode(trans, 'dir/test.knit', 0666)
1450
self.assertTransportMode(trans, 'dir/test.kndx', 0666)
1452
def test_plan_merge(self):
1453
my_knit = self.make_test_knit(annotate=True)
1454
my_knit.add_lines('text1', [], split_lines(TEXT_1))
1455
my_knit.add_lines('text1a', ['text1'], split_lines(TEXT_1A))
1456
my_knit.add_lines('text1b', ['text1'], split_lines(TEXT_1B))
1457
plan = list(my_knit.plan_merge('text1a', 'text1b'))
1458
for plan_line, expected_line in zip(plan, AB_MERGE):
1459
self.assertEqual(plan_line, expected_line)
1471
Banana cup cake recipe
1477
- self-raising flour
1481
Banana cup cake recipe
1483
- bananas (do not use plantains!!!)
1490
Banana cup cake recipe
1493
- self-raising flour
1506
AB_MERGE_TEXT="""unchanged|Banana cup cake recipe
1511
new-b|- bananas (do not use plantains!!!)
1512
unchanged|- broken tea cups
1513
new-a|- self-raising flour
1516
AB_MERGE=[tuple(l.split('|')) for l in AB_MERGE_TEXT.splitlines(True)]
1519
def line_delta(from_lines, to_lines):
1520
"""Generate line-based delta from one text to another"""
1521
s = difflib.SequenceMatcher(None, from_lines, to_lines)
1522
for op in s.get_opcodes():
1523
if op[0] == 'equal':
1525
yield '%d,%d,%d\n' % (op[1], op[2], op[4]-op[3])
1526
for i in range(op[3], op[4]):
1530
def apply_line_delta(basis_lines, delta_lines):
1531
"""Apply a line-based perfect diff
1533
basis_lines -- text to apply the patch to
1534
delta_lines -- diff instructions and content
1536
out = basis_lines[:]
1539
while i < len(delta_lines):
1541
a, b, c = map(long, l.split(','))
1543
out[offset+a:offset+b] = delta_lines[i:i+c]
1545
offset = offset + (b - a) + c
1549
class TestWeaveToKnit(KnitTests):
1551
def test_weave_to_knit_matches(self):
1552
# check that the WeaveToKnit is_compatible function
1553
# registers True for a Weave to a Knit.
1555
k = self.make_test_knit()
1556
self.failUnless(WeaveToKnit.is_compatible(w, k))
1557
self.failIf(WeaveToKnit.is_compatible(k, w))
1558
self.failIf(WeaveToKnit.is_compatible(w, w))
1559
self.failIf(WeaveToKnit.is_compatible(k, k))
1562
class TestKnitCaching(KnitTests):
1564
def create_knit(self, cache_add=False):
1565
k = self.make_test_knit(True)
1569
k.add_lines('text-1', [], split_lines(TEXT_1))
1570
k.add_lines('text-2', [], split_lines(TEXT_2))
1573
def test_no_caching(self):
1574
k = self.create_knit()
1575
# Nothing should be cached without setting 'enable_cache'
1576
self.assertEqual({}, k._data._cache)
1578
def test_cache_add_and_clear(self):
1579
k = self.create_knit(True)
1581
self.assertEqual(['text-1', 'text-2'], sorted(k._data._cache.keys()))
1584
self.assertEqual({}, k._data._cache)
1586
def test_cache_data_read_raw(self):
1587
k = self.create_knit()
1589
# Now cache and read
1592
def read_one_raw(version):
1593
pos_map = k._get_components_positions([version])
1594
method, index_memo, next = pos_map[version]
1595
lst = list(k._data.read_records_iter_raw([(version, index_memo)]))
1596
self.assertEqual(1, len(lst))
1599
val = read_one_raw('text-1')
1600
self.assertEqual({'text-1':val[1]}, k._data._cache)
1603
# After clear, new reads are not cached
1604
self.assertEqual({}, k._data._cache)
1606
val2 = read_one_raw('text-1')
1607
self.assertEqual(val, val2)
1608
self.assertEqual({}, k._data._cache)
1610
def test_cache_data_read(self):
1611
k = self.create_knit()
1613
def read_one(version):
1614
pos_map = k._get_components_positions([version])
1615
method, index_memo, next = pos_map[version]
1616
lst = list(k._data.read_records_iter([(version, index_memo)]))
1617
self.assertEqual(1, len(lst))
1620
# Now cache and read
1623
val = read_one('text-2')
1624
self.assertEqual(['text-2'], k._data._cache.keys())
1625
self.assertEqual('text-2', val[0])
1626
content, digest = k._data._parse_record('text-2',
1627
k._data._cache['text-2'])
1628
self.assertEqual(content, val[1])
1629
self.assertEqual(digest, val[2])
1632
self.assertEqual({}, k._data._cache)
1634
val2 = read_one('text-2')
1635
self.assertEqual(val, val2)
1636
self.assertEqual({}, k._data._cache)
1638
def test_cache_read(self):
1639
k = self.create_knit()
1642
text = k.get_text('text-1')
1643
self.assertEqual(TEXT_1, text)
1644
self.assertEqual(['text-1'], k._data._cache.keys())
1647
self.assertEqual({}, k._data._cache)
1649
text = k.get_text('text-1')
1650
self.assertEqual(TEXT_1, text)
1651
self.assertEqual({}, k._data._cache)
1526
1654
class TestKnitIndex(KnitTests):
1654
1773
add_callback = self.catch_add
1656
1775
add_callback = None
1657
return _KnitGraphIndex(combined_index, lambda:True, deltas=deltas,
1776
return KnitGraphIndex(combined_index, deltas=deltas,
1658
1777
add_callback=add_callback)
1660
def test_keys(self):
1661
index = self.two_graph_index()
1662
self.assertEqual(set([('tail',), ('tip',), ('parent',), ('separate',)]),
1779
def test_get_graph(self):
1780
index = self.two_graph_index()
1781
self.assertEqual(set([
1782
('tip', ('parent', )),
1784
('parent', ('tail', 'ghost')),
1786
]), set(index.get_graph()))
1788
def test_get_ancestry(self):
1789
# get_ancestry is defined as eliding ghosts, not erroring.
1790
index = self.two_graph_index()
1791
self.assertEqual([], index.get_ancestry([]))
1792
self.assertEqual(['separate'], index.get_ancestry(['separate']))
1793
self.assertEqual(['tail'], index.get_ancestry(['tail']))
1794
self.assertEqual(['tail', 'parent'], index.get_ancestry(['parent']))
1795
self.assertEqual(['tail', 'parent', 'tip'], index.get_ancestry(['tip']))
1796
self.assertTrue(index.get_ancestry(['tip', 'separate']) in
1797
(['tail', 'parent', 'tip', 'separate'],
1798
['separate', 'tail', 'parent', 'tip'],
1800
# and without topo_sort
1801
self.assertEqual(set(['separate']),
1802
set(index.get_ancestry(['separate'], topo_sorted=False)))
1803
self.assertEqual(set(['tail']),
1804
set(index.get_ancestry(['tail'], topo_sorted=False)))
1805
self.assertEqual(set(['tail', 'parent']),
1806
set(index.get_ancestry(['parent'], topo_sorted=False)))
1807
self.assertEqual(set(['tail', 'parent', 'tip']),
1808
set(index.get_ancestry(['tip'], topo_sorted=False)))
1809
self.assertEqual(set(['separate', 'tail', 'parent', 'tip']),
1810
set(index.get_ancestry(['tip', 'separate'])))
1811
# asking for a ghost makes it go boom.
1812
self.assertRaises(errors.RevisionNotPresent, index.get_ancestry, ['ghost'])
1814
def test_get_ancestry_with_ghosts(self):
1815
index = self.two_graph_index()
1816
self.assertEqual([], index.get_ancestry_with_ghosts([]))
1817
self.assertEqual(['separate'], index.get_ancestry_with_ghosts(['separate']))
1818
self.assertEqual(['tail'], index.get_ancestry_with_ghosts(['tail']))
1819
self.assertTrue(index.get_ancestry_with_ghosts(['parent']) in
1820
(['tail', 'ghost', 'parent'],
1821
['ghost', 'tail', 'parent'],
1823
self.assertTrue(index.get_ancestry_with_ghosts(['tip']) in
1824
(['tail', 'ghost', 'parent', 'tip'],
1825
['ghost', 'tail', 'parent', 'tip'],
1827
self.assertTrue(index.get_ancestry_with_ghosts(['tip', 'separate']) in
1828
(['tail', 'ghost', 'parent', 'tip', 'separate'],
1829
['ghost', 'tail', 'parent', 'tip', 'separate'],
1830
['separate', 'tail', 'ghost', 'parent', 'tip'],
1831
['separate', 'ghost', 'tail', 'parent', 'tip'],
1833
# asking for a ghost makes it go boom.
1834
self.assertRaises(errors.RevisionNotPresent, index.get_ancestry_with_ghosts, ['ghost'])
1836
def test_num_versions(self):
1837
index = self.two_graph_index()
1838
self.assertEqual(4, index.num_versions())
1840
def test_get_versions(self):
1841
index = self.two_graph_index()
1842
self.assertEqual(set(['tail', 'tip', 'parent', 'separate']),
1843
set(index.get_versions()))
1845
def test_has_version(self):
1846
index = self.two_graph_index()
1847
self.assertTrue(index.has_version('tail'))
1848
self.assertFalse(index.has_version('ghost'))
1665
1850
def test_get_position(self):
1666
1851
index = self.two_graph_index()
1667
self.assertEqual((index._graph_index._indices[0], 0, 100), index.get_position(('tip',)))
1668
self.assertEqual((index._graph_index._indices[1], 100, 78), index.get_position(('parent',)))
1852
self.assertEqual((index._graph_index._indices[0], 0, 100), index.get_position('tip'))
1853
self.assertEqual((index._graph_index._indices[1], 100, 78), index.get_position('parent'))
1670
1855
def test_get_method_deltas(self):
1671
1856
index = self.two_graph_index(deltas=True)
1672
self.assertEqual('fulltext', index.get_method(('tip',)))
1673
self.assertEqual('line-delta', index.get_method(('parent',)))
1857
self.assertEqual('fulltext', index.get_method('tip'))
1858
self.assertEqual('line-delta', index.get_method('parent'))
1675
1860
def test_get_method_no_deltas(self):
1676
1861
# check that the parent-history lookup is ignored with deltas=False.
1677
1862
index = self.two_graph_index(deltas=False)
1678
self.assertEqual('fulltext', index.get_method(('tip',)))
1679
self.assertEqual('fulltext', index.get_method(('parent',)))
1863
self.assertEqual('fulltext', index.get_method('tip'))
1864
self.assertEqual('fulltext', index.get_method('parent'))
1681
1866
def test_get_options_deltas(self):
1682
1867
index = self.two_graph_index(deltas=True)
1683
self.assertEqual(['fulltext', 'no-eol'], index.get_options(('tip',)))
1684
self.assertEqual(['line-delta'], index.get_options(('parent',)))
1868
self.assertEqual(['fulltext', 'no-eol'], index.get_options('tip'))
1869
self.assertEqual(['line-delta'], index.get_options('parent'))
1686
1871
def test_get_options_no_deltas(self):
1687
1872
# check that the parent-history lookup is ignored with deltas=False.
1688
1873
index = self.two_graph_index(deltas=False)
1689
self.assertEqual(['fulltext', 'no-eol'], index.get_options(('tip',)))
1690
self.assertEqual(['fulltext'], index.get_options(('parent',)))
1692
def test_get_parent_map(self):
1693
index = self.two_graph_index()
1694
self.assertEqual({('parent',):(('tail',), ('ghost',))},
1695
index.get_parent_map([('parent',), ('ghost',)]))
1874
self.assertEqual(['fulltext', 'no-eol'], index.get_options('tip'))
1875
self.assertEqual(['fulltext'], index.get_options('parent'))
1877
def test_get_parents(self):
1878
# get_parents ignores ghosts
1879
index = self.two_graph_index()
1880
self.assertEqual(('tail', ), index.get_parents('parent'))
1881
# and errors on ghosts.
1882
self.assertRaises(errors.RevisionNotPresent,
1883
index.get_parents, 'ghost')
1885
def test_get_parents_with_ghosts(self):
1886
index = self.two_graph_index()
1887
self.assertEqual(('tail', 'ghost'), index.get_parents_with_ghosts('parent'))
1888
# and errors on ghosts.
1889
self.assertRaises(errors.RevisionNotPresent,
1890
index.get_parents_with_ghosts, 'ghost')
1892
def test_check_versions_present(self):
1893
# ghosts should not be considered present
1894
index = self.two_graph_index()
1895
self.assertRaises(RevisionNotPresent, index.check_versions_present,
1897
self.assertRaises(RevisionNotPresent, index.check_versions_present,
1899
index.check_versions_present(['tail', 'separate'])
1697
1901
def catch_add(self, entries):
1698
1902
self.caught_entries.append(entries)
1700
1904
def test_add_no_callback_errors(self):
1701
1905
index = self.two_graph_index()
1702
self.assertRaises(errors.ReadOnlyError, index.add_records,
1703
[(('new',), 'fulltext,no-eol', (None, 50, 60), ['separate'])])
1906
self.assertRaises(errors.ReadOnlyError, index.add_version,
1907
'new', 'fulltext,no-eol', (None, 50, 60), ['separate'])
1705
1909
def test_add_version_smoke(self):
1706
1910
index = self.two_graph_index(catch_adds=True)
1707
index.add_records([(('new',), 'fulltext,no-eol', (None, 50, 60),
1911
index.add_version('new', 'fulltext,no-eol', (None, 50, 60), ['separate'])
1709
1912
self.assertEqual([[(('new', ), 'N50 60', ((('separate',),),))]],
1710
1913
self.caught_entries)
1712
1915
def test_add_version_delta_not_delta_index(self):
1713
1916
index = self.two_graph_index(catch_adds=True)
1714
self.assertRaises(errors.KnitCorrupt, index.add_records,
1715
[(('new',), 'no-eol,line-delta', (None, 0, 100), [('parent',)])])
1917
self.assertRaises(errors.KnitCorrupt, index.add_version,
1918
'new', 'no-eol,line-delta', (None, 0, 100), ['parent'])
1716
1919
self.assertEqual([], self.caught_entries)
1718
1921
def test_add_version_same_dup(self):
1719
1922
index = self.two_graph_index(catch_adds=True)
1720
1923
# options can be spelt two different ways
1721
index.add_records([(('tip',), 'fulltext,no-eol', (None, 0, 100), [('parent',)])])
1722
index.add_records([(('tip',), 'no-eol,fulltext', (None, 0, 100), [('parent',)])])
1723
# position/length are ignored (because each pack could have fulltext or
1724
# delta, and be at a different position.
1725
index.add_records([(('tip',), 'fulltext,no-eol', (None, 50, 100),
1727
index.add_records([(('tip',), 'fulltext,no-eol', (None, 0, 1000),
1729
# but neither should have added data:
1730
self.assertEqual([[], [], [], []], self.caught_entries)
1924
index.add_version('tip', 'fulltext,no-eol', (None, 0, 100), ['parent'])
1925
index.add_version('tip', 'no-eol,fulltext', (None, 0, 100), ['parent'])
1926
# but neither should have added data.
1927
self.assertEqual([[], []], self.caught_entries)
1732
1929
def test_add_version_different_dup(self):
1733
1930
index = self.two_graph_index(deltas=True, catch_adds=True)
1734
1931
# change options
1735
self.assertRaises(errors.KnitCorrupt, index.add_records,
1736
[(('tip',), 'line-delta', (None, 0, 100), [('parent',)])])
1737
self.assertRaises(errors.KnitCorrupt, index.add_records,
1738
[(('tip',), 'fulltext', (None, 0, 100), [('parent',)])])
1932
self.assertRaises(errors.KnitCorrupt, index.add_version,
1933
'tip', 'no-eol,line-delta', (None, 0, 100), ['parent'])
1934
self.assertRaises(errors.KnitCorrupt, index.add_version,
1935
'tip', 'line-delta,no-eol', (None, 0, 100), ['parent'])
1936
self.assertRaises(errors.KnitCorrupt, index.add_version,
1937
'tip', 'fulltext', (None, 0, 100), ['parent'])
1939
self.assertRaises(errors.KnitCorrupt, index.add_version,
1940
'tip', 'fulltext,no-eol', (None, 50, 100), ['parent'])
1941
self.assertRaises(errors.KnitCorrupt, index.add_version,
1942
'tip', 'fulltext,no-eol', (None, 0, 1000), ['parent'])
1740
self.assertRaises(errors.KnitCorrupt, index.add_records,
1741
[(('tip',), 'fulltext,no-eol', (None, 0, 100), [])])
1944
self.assertRaises(errors.KnitCorrupt, index.add_version,
1945
'tip', 'fulltext,no-eol', (None, 0, 100), [])
1742
1946
self.assertEqual([], self.caught_entries)
1744
1948
def test_add_versions_nodeltas(self):
1745
1949
index = self.two_graph_index(catch_adds=True)
1747
(('new',), 'fulltext,no-eol', (None, 50, 60), [('separate',)]),
1748
(('new2',), 'fulltext', (None, 0, 6), [('new',)]),
1950
index.add_versions([
1951
('new', 'fulltext,no-eol', (None, 50, 60), ['separate']),
1952
('new2', 'fulltext', (None, 0, 6), ['new']),
1750
1954
self.assertEqual([(('new', ), 'N50 60', ((('separate',),),)),
1751
1955
(('new2', ), ' 0 6', ((('new',),),))],
1766
1970
def test_add_versions_delta_not_delta_index(self):
1767
1971
index = self.two_graph_index(catch_adds=True)
1768
self.assertRaises(errors.KnitCorrupt, index.add_records,
1769
[(('new',), 'no-eol,line-delta', (None, 0, 100), [('parent',)])])
1972
self.assertRaises(errors.KnitCorrupt, index.add_versions,
1973
[('new', 'no-eol,line-delta', (None, 0, 100), ['parent'])])
1770
1974
self.assertEqual([], self.caught_entries)
1772
def test_add_versions_random_id_accepted(self):
1773
index = self.two_graph_index(catch_adds=True)
1774
index.add_records([], random_id=True)
1776
1976
def test_add_versions_same_dup(self):
1777
1977
index = self.two_graph_index(catch_adds=True)
1778
1978
# options can be spelt two different ways
1779
index.add_records([(('tip',), 'fulltext,no-eol', (None, 0, 100),
1781
index.add_records([(('tip',), 'no-eol,fulltext', (None, 0, 100),
1783
# position/length are ignored (because each pack could have fulltext or
1784
# delta, and be at a different position.
1785
index.add_records([(('tip',), 'fulltext,no-eol', (None, 50, 100),
1787
index.add_records([(('tip',), 'fulltext,no-eol', (None, 0, 1000),
1979
index.add_versions([('tip', 'fulltext,no-eol', (None, 0, 100), ['parent'])])
1980
index.add_versions([('tip', 'no-eol,fulltext', (None, 0, 100), ['parent'])])
1789
1981
# but neither should have added data.
1790
self.assertEqual([[], [], [], []], self.caught_entries)
1982
self.assertEqual([[], []], self.caught_entries)
1792
1984
def test_add_versions_different_dup(self):
1793
1985
index = self.two_graph_index(deltas=True, catch_adds=True)
1794
1986
# change options
1795
self.assertRaises(errors.KnitCorrupt, index.add_records,
1796
[(('tip',), 'line-delta', (None, 0, 100), [('parent',)])])
1797
self.assertRaises(errors.KnitCorrupt, index.add_records,
1798
[(('tip',), 'fulltext', (None, 0, 100), [('parent',)])])
1987
self.assertRaises(errors.KnitCorrupt, index.add_versions,
1988
[('tip', 'no-eol,line-delta', (None, 0, 100), ['parent'])])
1989
self.assertRaises(errors.KnitCorrupt, index.add_versions,
1990
[('tip', 'line-delta,no-eol', (None, 0, 100), ['parent'])])
1991
self.assertRaises(errors.KnitCorrupt, index.add_versions,
1992
[('tip', 'fulltext', (None, 0, 100), ['parent'])])
1994
self.assertRaises(errors.KnitCorrupt, index.add_versions,
1995
[('tip', 'fulltext,no-eol', (None, 50, 100), ['parent'])])
1996
self.assertRaises(errors.KnitCorrupt, index.add_versions,
1997
[('tip', 'fulltext,no-eol', (None, 0, 1000), ['parent'])])
1800
self.assertRaises(errors.KnitCorrupt, index.add_records,
1801
[(('tip',), 'fulltext,no-eol', (None, 0, 100), [])])
1999
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2000
[('tip', 'fulltext,no-eol', (None, 0, 100), [])])
1802
2001
# change options in the second record
1803
self.assertRaises(errors.KnitCorrupt, index.add_records,
1804
[(('tip',), 'fulltext,no-eol', (None, 0, 100), [('parent',)]),
1805
(('tip',), 'line-delta', (None, 0, 100), [('parent',)])])
2002
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2003
[('tip', 'fulltext,no-eol', (None, 0, 100), ['parent']),
2004
('tip', 'no-eol,line-delta', (None, 0, 100), ['parent'])])
1806
2005
self.assertEqual([], self.caught_entries)
1808
def make_g_index_missing_compression_parent(self):
1809
graph_index = self.make_g_index('missing_comp', 2,
1810
[(('tip', ), ' 100 78',
1811
([('missing-parent', ), ('ghost', )], [('missing-parent', )]))])
1814
def make_g_index_missing_parent(self):
1815
graph_index = self.make_g_index('missing_parent', 2,
1816
[(('parent', ), ' 100 78', ([], [])),
1817
(('tip', ), ' 100 78',
1818
([('parent', ), ('missing-parent', )], [('parent', )])),
1822
def make_g_index_no_external_refs(self):
1823
graph_index = self.make_g_index('no_external_refs', 2,
1824
[(('rev', ), ' 100 78',
1825
([('parent', ), ('ghost', )], []))])
1828
def test_add_good_unvalidated_index(self):
1829
unvalidated = self.make_g_index_no_external_refs()
1830
combined = CombinedGraphIndex([unvalidated])
1831
index = _KnitGraphIndex(combined, lambda: True, deltas=True)
1832
index.scan_unvalidated_index(unvalidated)
1833
self.assertEqual(frozenset(), index.get_missing_compression_parents())
1835
def test_add_missing_compression_parent_unvalidated_index(self):
1836
unvalidated = self.make_g_index_missing_compression_parent()
1837
combined = CombinedGraphIndex([unvalidated])
1838
index = _KnitGraphIndex(combined, lambda: True, deltas=True)
1839
index.scan_unvalidated_index(unvalidated)
1840
# This also checks that its only the compression parent that is
1841
# examined, otherwise 'ghost' would also be reported as a missing
1844
frozenset([('missing-parent',)]),
1845
index.get_missing_compression_parents())
1847
def test_add_missing_noncompression_parent_unvalidated_index(self):
1848
unvalidated = self.make_g_index_missing_parent()
1849
combined = CombinedGraphIndex([unvalidated])
1850
index = _KnitGraphIndex(combined, lambda: True, deltas=True,
1851
track_external_parent_refs=True)
1852
index.scan_unvalidated_index(unvalidated)
1854
frozenset([('missing-parent',)]), index.get_missing_parents())
1856
def test_track_external_parent_refs(self):
1857
g_index = self.make_g_index('empty', 2, [])
1858
combined = CombinedGraphIndex([g_index])
1859
index = _KnitGraphIndex(combined, lambda: True, deltas=True,
1860
add_callback=self.catch_add, track_external_parent_refs=True)
1861
self.caught_entries = []
1863
(('new-key',), 'fulltext,no-eol', (None, 50, 60),
1864
[('parent-1',), ('parent-2',)])])
1866
frozenset([('parent-1',), ('parent-2',)]),
1867
index.get_missing_parents())
1869
def test_add_unvalidated_index_with_present_external_references(self):
1870
index = self.two_graph_index(deltas=True)
1871
# Ugly hack to get at one of the underlying GraphIndex objects that
1872
# two_graph_index built.
1873
unvalidated = index._graph_index._indices[1]
1874
# 'parent' is an external ref of _indices[1] (unvalidated), but is
1875
# present in _indices[0].
1876
index.scan_unvalidated_index(unvalidated)
1877
self.assertEqual(frozenset(), index.get_missing_compression_parents())
1879
def make_new_missing_parent_g_index(self, name):
1880
missing_parent = name + '-missing-parent'
1881
graph_index = self.make_g_index(name, 2,
1882
[((name + 'tip', ), ' 100 78',
1883
([(missing_parent, ), ('ghost', )], [(missing_parent, )]))])
1886
def test_add_mulitiple_unvalidated_indices_with_missing_parents(self):
1887
g_index_1 = self.make_new_missing_parent_g_index('one')
1888
g_index_2 = self.make_new_missing_parent_g_index('two')
1889
combined = CombinedGraphIndex([g_index_1, g_index_2])
1890
index = _KnitGraphIndex(combined, lambda: True, deltas=True)
1891
index.scan_unvalidated_index(g_index_1)
1892
index.scan_unvalidated_index(g_index_2)
1894
frozenset([('one-missing-parent',), ('two-missing-parent',)]),
1895
index.get_missing_compression_parents())
1897
def test_add_mulitiple_unvalidated_indices_with_mutual_dependencies(self):
1898
graph_index_a = self.make_g_index('one', 2,
1899
[(('parent-one', ), ' 100 78', ([('non-compression-parent',)], [])),
1900
(('child-of-two', ), ' 100 78',
1901
([('parent-two',)], [('parent-two',)]))])
1902
graph_index_b = self.make_g_index('two', 2,
1903
[(('parent-two', ), ' 100 78', ([('non-compression-parent',)], [])),
1904
(('child-of-one', ), ' 100 78',
1905
([('parent-one',)], [('parent-one',)]))])
1906
combined = CombinedGraphIndex([graph_index_a, graph_index_b])
1907
index = _KnitGraphIndex(combined, lambda: True, deltas=True)
1908
index.scan_unvalidated_index(graph_index_a)
1909
index.scan_unvalidated_index(graph_index_b)
1911
frozenset([]), index.get_missing_compression_parents())
2007
def test_iter_parents(self):
2008
index1 = self.make_g_index('1', 1, [
2010
(('r0', ), 'N0 100', ([], )),
2012
(('r1', ), '', ([('r0', )], ))])
2013
index2 = self.make_g_index('2', 1, [
2015
(('r2', ), 'N0 100', ([('r1', ), ('r0', )], )),
2017
combined_index = CombinedGraphIndex([index1, index2])
2018
index = KnitGraphIndex(combined_index)
2020
# cases: each sample data individually:
2021
self.assertEqual(set([('r0', ())]),
2022
set(index.iter_parents(['r0'])))
2023
self.assertEqual(set([('r1', ('r0', ))]),
2024
set(index.iter_parents(['r1'])))
2025
self.assertEqual(set([('r2', ('r1', 'r0'))]),
2026
set(index.iter_parents(['r2'])))
2027
# no nodes returned for a missing node
2028
self.assertEqual(set(),
2029
set(index.iter_parents(['missing'])))
2030
# 1 node returned with missing nodes skipped
2031
self.assertEqual(set([('r1', ('r0', ))]),
2032
set(index.iter_parents(['ghost1', 'r1', 'ghost'])))
2034
self.assertEqual(set([('r0', ()), ('r1', ('r0', ))]),
2035
set(index.iter_parents(['r0', 'r1'])))
2036
# 2 nodes returned, missing skipped
2037
self.assertEqual(set([('r0', ()), ('r1', ('r0', ))]),
2038
set(index.iter_parents(['a', 'r0', 'b', 'r1', 'c'])))
1914
2041
class TestNoParentsGraphIndexKnit(KnitTests):
1915
"""Tests for knits using _KnitGraphIndex with no parents."""
2042
"""Tests for knits using KnitGraphIndex with no parents."""
1917
2044
def make_g_index(self, name, ref_lists=0, nodes=[]):
1918
2045
builder = GraphIndexBuilder(ref_lists)
1956
2075
add_callback = self.catch_add
1958
2077
add_callback = None
1959
return _KnitGraphIndex(combined_index, lambda:True, parents=False,
2078
return KnitGraphIndex(combined_index, parents=False,
1960
2079
add_callback=add_callback)
1962
def test_keys(self):
1963
index = self.two_graph_index()
1964
self.assertEqual(set([('tail',), ('tip',), ('parent',), ('separate',)]),
2081
def test_get_graph(self):
2082
index = self.two_graph_index()
2083
self.assertEqual(set([
2088
]), set(index.get_graph()))
2090
def test_get_ancestry(self):
2091
# with no parents, ancestry is always just the key.
2092
index = self.two_graph_index()
2093
self.assertEqual([], index.get_ancestry([]))
2094
self.assertEqual(['separate'], index.get_ancestry(['separate']))
2095
self.assertEqual(['tail'], index.get_ancestry(['tail']))
2096
self.assertEqual(['parent'], index.get_ancestry(['parent']))
2097
self.assertEqual(['tip'], index.get_ancestry(['tip']))
2098
self.assertTrue(index.get_ancestry(['tip', 'separate']) in
2099
(['tip', 'separate'],
2100
['separate', 'tip'],
2102
# asking for a ghost makes it go boom.
2103
self.assertRaises(errors.RevisionNotPresent, index.get_ancestry, ['ghost'])
2105
def test_get_ancestry_with_ghosts(self):
2106
index = self.two_graph_index()
2107
self.assertEqual([], index.get_ancestry_with_ghosts([]))
2108
self.assertEqual(['separate'], index.get_ancestry_with_ghosts(['separate']))
2109
self.assertEqual(['tail'], index.get_ancestry_with_ghosts(['tail']))
2110
self.assertEqual(['parent'], index.get_ancestry_with_ghosts(['parent']))
2111
self.assertEqual(['tip'], index.get_ancestry_with_ghosts(['tip']))
2112
self.assertTrue(index.get_ancestry_with_ghosts(['tip', 'separate']) in
2113
(['tip', 'separate'],
2114
['separate', 'tip'],
2116
# asking for a ghost makes it go boom.
2117
self.assertRaises(errors.RevisionNotPresent, index.get_ancestry_with_ghosts, ['ghost'])
2119
def test_num_versions(self):
2120
index = self.two_graph_index()
2121
self.assertEqual(4, index.num_versions())
2123
def test_get_versions(self):
2124
index = self.two_graph_index()
2125
self.assertEqual(set(['tail', 'tip', 'parent', 'separate']),
2126
set(index.get_versions()))
2128
def test_has_version(self):
2129
index = self.two_graph_index()
2130
self.assertTrue(index.has_version('tail'))
2131
self.assertFalse(index.has_version('ghost'))
1967
2133
def test_get_position(self):
1968
2134
index = self.two_graph_index()
1969
self.assertEqual((index._graph_index._indices[0], 0, 100),
1970
index.get_position(('tip',)))
1971
self.assertEqual((index._graph_index._indices[1], 100, 78),
1972
index.get_position(('parent',)))
2135
self.assertEqual((index._graph_index._indices[0], 0, 100), index.get_position('tip'))
2136
self.assertEqual((index._graph_index._indices[1], 100, 78), index.get_position('parent'))
1974
2138
def test_get_method(self):
1975
2139
index = self.two_graph_index()
1976
self.assertEqual('fulltext', index.get_method(('tip',)))
1977
self.assertEqual(['fulltext'], index.get_options(('parent',)))
2140
self.assertEqual('fulltext', index.get_method('tip'))
2141
self.assertEqual(['fulltext'], index.get_options('parent'))
1979
2143
def test_get_options(self):
1980
2144
index = self.two_graph_index()
1981
self.assertEqual(['fulltext', 'no-eol'], index.get_options(('tip',)))
1982
self.assertEqual(['fulltext'], index.get_options(('parent',)))
1984
def test_get_parent_map(self):
1985
index = self.two_graph_index()
1986
self.assertEqual({('parent',):None},
1987
index.get_parent_map([('parent',), ('ghost',)]))
2145
self.assertEqual(['fulltext', 'no-eol'], index.get_options('tip'))
2146
self.assertEqual(['fulltext'], index.get_options('parent'))
2148
def test_get_parents(self):
2149
index = self.two_graph_index()
2150
self.assertEqual((), index.get_parents('parent'))
2151
# and errors on ghosts.
2152
self.assertRaises(errors.RevisionNotPresent,
2153
index.get_parents, 'ghost')
2155
def test_get_parents_with_ghosts(self):
2156
index = self.two_graph_index()
2157
self.assertEqual((), index.get_parents_with_ghosts('parent'))
2158
# and errors on ghosts.
2159
self.assertRaises(errors.RevisionNotPresent,
2160
index.get_parents_with_ghosts, 'ghost')
2162
def test_check_versions_present(self):
2163
index = self.two_graph_index()
2164
self.assertRaises(RevisionNotPresent, index.check_versions_present,
2166
self.assertRaises(RevisionNotPresent, index.check_versions_present,
2167
['tail', 'missing'])
2168
index.check_versions_present(['tail', 'separate'])
1989
2170
def catch_add(self, entries):
1990
2171
self.caught_entries.append(entries)
1992
2173
def test_add_no_callback_errors(self):
1993
2174
index = self.two_graph_index()
1994
self.assertRaises(errors.ReadOnlyError, index.add_records,
1995
[(('new',), 'fulltext,no-eol', (None, 50, 60), [('separate',)])])
2175
self.assertRaises(errors.ReadOnlyError, index.add_version,
2176
'new', 'fulltext,no-eol', (None, 50, 60), ['separate'])
1997
2178
def test_add_version_smoke(self):
1998
2179
index = self.two_graph_index(catch_adds=True)
1999
index.add_records([(('new',), 'fulltext,no-eol', (None, 50, 60), [])])
2180
index.add_version('new', 'fulltext,no-eol', (None, 50, 60), [])
2000
2181
self.assertEqual([[(('new', ), 'N50 60')]],
2001
2182
self.caught_entries)
2003
2184
def test_add_version_delta_not_delta_index(self):
2004
2185
index = self.two_graph_index(catch_adds=True)
2005
self.assertRaises(errors.KnitCorrupt, index.add_records,
2006
[(('new',), 'no-eol,line-delta', (None, 0, 100), [])])
2186
self.assertRaises(errors.KnitCorrupt, index.add_version,
2187
'new', 'no-eol,line-delta', (None, 0, 100), [])
2007
2188
self.assertEqual([], self.caught_entries)
2009
2190
def test_add_version_same_dup(self):
2010
2191
index = self.two_graph_index(catch_adds=True)
2011
2192
# options can be spelt two different ways
2012
index.add_records([(('tip',), 'fulltext,no-eol', (None, 0, 100), [])])
2013
index.add_records([(('tip',), 'no-eol,fulltext', (None, 0, 100), [])])
2014
# position/length are ignored (because each pack could have fulltext or
2015
# delta, and be at a different position.
2016
index.add_records([(('tip',), 'fulltext,no-eol', (None, 50, 100), [])])
2017
index.add_records([(('tip',), 'fulltext,no-eol', (None, 0, 1000), [])])
2193
index.add_version('tip', 'fulltext,no-eol', (None, 0, 100), [])
2194
index.add_version('tip', 'no-eol,fulltext', (None, 0, 100), [])
2018
2195
# but neither should have added data.
2019
self.assertEqual([[], [], [], []], self.caught_entries)
2196
self.assertEqual([[], []], self.caught_entries)
2021
2198
def test_add_version_different_dup(self):
2022
2199
index = self.two_graph_index(catch_adds=True)
2023
2200
# change options
2024
self.assertRaises(errors.KnitCorrupt, index.add_records,
2025
[(('tip',), 'no-eol,line-delta', (None, 0, 100), [])])
2026
self.assertRaises(errors.KnitCorrupt, index.add_records,
2027
[(('tip',), 'line-delta,no-eol', (None, 0, 100), [])])
2028
self.assertRaises(errors.KnitCorrupt, index.add_records,
2029
[(('tip',), 'fulltext', (None, 0, 100), [])])
2201
self.assertRaises(errors.KnitCorrupt, index.add_version,
2202
'tip', 'no-eol,line-delta', (None, 0, 100), [])
2203
self.assertRaises(errors.KnitCorrupt, index.add_version,
2204
'tip', 'line-delta,no-eol', (None, 0, 100), [])
2205
self.assertRaises(errors.KnitCorrupt, index.add_version,
2206
'tip', 'fulltext', (None, 0, 100), [])
2208
self.assertRaises(errors.KnitCorrupt, index.add_version,
2209
'tip', 'fulltext,no-eol', (None, 50, 100), [])
2210
self.assertRaises(errors.KnitCorrupt, index.add_version,
2211
'tip', 'fulltext,no-eol', (None, 0, 1000), [])
2031
self.assertRaises(errors.KnitCorrupt, index.add_records,
2032
[(('tip',), 'fulltext,no-eol', (None, 0, 100), [('parent',)])])
2213
self.assertRaises(errors.KnitCorrupt, index.add_version,
2214
'tip', 'fulltext,no-eol', (None, 0, 100), ['parent'])
2033
2215
self.assertEqual([], self.caught_entries)
2035
2217
def test_add_versions(self):
2036
2218
index = self.two_graph_index(catch_adds=True)
2038
(('new',), 'fulltext,no-eol', (None, 50, 60), []),
2039
(('new2',), 'fulltext', (None, 0, 6), []),
2219
index.add_versions([
2220
('new', 'fulltext,no-eol', (None, 50, 60), []),
2221
('new2', 'fulltext', (None, 0, 6), []),
2041
2223
self.assertEqual([(('new', ), 'N50 60'), (('new2', ), ' 0 6')],
2042
2224
sorted(self.caught_entries[0]))
2045
2227
def test_add_versions_delta_not_delta_index(self):
2046
2228
index = self.two_graph_index(catch_adds=True)
2047
self.assertRaises(errors.KnitCorrupt, index.add_records,
2048
[(('new',), 'no-eol,line-delta', (None, 0, 100), [('parent',)])])
2229
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2230
[('new', 'no-eol,line-delta', (None, 0, 100), ['parent'])])
2049
2231
self.assertEqual([], self.caught_entries)
2051
2233
def test_add_versions_parents_not_parents_index(self):
2052
2234
index = self.two_graph_index(catch_adds=True)
2053
self.assertRaises(errors.KnitCorrupt, index.add_records,
2054
[(('new',), 'no-eol,fulltext', (None, 0, 100), [('parent',)])])
2235
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2236
[('new', 'no-eol,fulltext', (None, 0, 100), ['parent'])])
2055
2237
self.assertEqual([], self.caught_entries)
2057
def test_add_versions_random_id_accepted(self):
2058
index = self.two_graph_index(catch_adds=True)
2059
index.add_records([], random_id=True)
2061
2239
def test_add_versions_same_dup(self):
2062
2240
index = self.two_graph_index(catch_adds=True)
2063
2241
# options can be spelt two different ways
2064
index.add_records([(('tip',), 'fulltext,no-eol', (None, 0, 100), [])])
2065
index.add_records([(('tip',), 'no-eol,fulltext', (None, 0, 100), [])])
2066
# position/length are ignored (because each pack could have fulltext or
2067
# delta, and be at a different position.
2068
index.add_records([(('tip',), 'fulltext,no-eol', (None, 50, 100), [])])
2069
index.add_records([(('tip',), 'fulltext,no-eol', (None, 0, 1000), [])])
2242
index.add_versions([('tip', 'fulltext,no-eol', (None, 0, 100), [])])
2243
index.add_versions([('tip', 'no-eol,fulltext', (None, 0, 100), [])])
2070
2244
# but neither should have added data.
2071
self.assertEqual([[], [], [], []], self.caught_entries)
2245
self.assertEqual([[], []], self.caught_entries)
2073
2247
def test_add_versions_different_dup(self):
2074
2248
index = self.two_graph_index(catch_adds=True)
2075
2249
# change options
2076
self.assertRaises(errors.KnitCorrupt, index.add_records,
2077
[(('tip',), 'no-eol,line-delta', (None, 0, 100), [])])
2078
self.assertRaises(errors.KnitCorrupt, index.add_records,
2079
[(('tip',), 'line-delta,no-eol', (None, 0, 100), [])])
2080
self.assertRaises(errors.KnitCorrupt, index.add_records,
2081
[(('tip',), 'fulltext', (None, 0, 100), [])])
2250
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2251
[('tip', 'no-eol,line-delta', (None, 0, 100), [])])
2252
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2253
[('tip', 'line-delta,no-eol', (None, 0, 100), [])])
2254
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2255
[('tip', 'fulltext', (None, 0, 100), [])])
2257
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2258
[('tip', 'fulltext,no-eol', (None, 50, 100), [])])
2259
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2260
[('tip', 'fulltext,no-eol', (None, 0, 1000), [])])
2083
self.assertRaises(errors.KnitCorrupt, index.add_records,
2084
[(('tip',), 'fulltext,no-eol', (None, 0, 100), [('parent',)])])
2262
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2263
[('tip', 'fulltext,no-eol', (None, 0, 100), ['parent'])])
2085
2264
# change options in the second record
2086
self.assertRaises(errors.KnitCorrupt, index.add_records,
2087
[(('tip',), 'fulltext,no-eol', (None, 0, 100), []),
2088
(('tip',), 'no-eol,line-delta', (None, 0, 100), [])])
2265
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2266
[('tip', 'fulltext,no-eol', (None, 0, 100), []),
2267
('tip', 'no-eol,line-delta', (None, 0, 100), [])])
2089
2268
self.assertEqual([], self.caught_entries)
2092
class TestKnitVersionedFiles(KnitTests):
2094
def assertGroupKeysForIo(self, exp_groups, keys, non_local_keys,
2095
positions, _min_buffer_size=None):
2096
kvf = self.make_test_knit()
2097
if _min_buffer_size is None:
2098
_min_buffer_size = knit._STREAM_MIN_BUFFER_SIZE
2099
self.assertEqual(exp_groups, kvf._group_keys_for_io(keys,
2100
non_local_keys, positions,
2101
_min_buffer_size=_min_buffer_size))
2103
def assertSplitByPrefix(self, expected_map, expected_prefix_order,
2105
split, prefix_order = KnitVersionedFiles._split_by_prefix(keys)
2106
self.assertEqual(expected_map, split)
2107
self.assertEqual(expected_prefix_order, prefix_order)
2109
def test__group_keys_for_io(self):
2110
ft_detail = ('fulltext', False)
2111
ld_detail = ('line-delta', False)
2119
f_a: (ft_detail, (f_a, 0, 100), None),
2120
f_b: (ld_detail, (f_b, 100, 21), f_a),
2121
f_c: (ld_detail, (f_c, 180, 15), f_b),
2122
g_a: (ft_detail, (g_a, 121, 35), None),
2123
g_b: (ld_detail, (g_b, 156, 12), g_a),
2124
g_c: (ld_detail, (g_c, 195, 13), g_a),
2126
self.assertGroupKeysForIo([([f_a], set())],
2127
[f_a], [], positions)
2128
self.assertGroupKeysForIo([([f_a], set([f_a]))],
2129
[f_a], [f_a], positions)
2130
self.assertGroupKeysForIo([([f_a, f_b], set([]))],
2131
[f_a, f_b], [], positions)
2132
self.assertGroupKeysForIo([([f_a, f_b], set([f_b]))],
2133
[f_a, f_b], [f_b], positions)
2134
self.assertGroupKeysForIo([([f_a, f_b, g_a, g_b], set())],
2135
[f_a, g_a, f_b, g_b], [], positions)
2136
self.assertGroupKeysForIo([([f_a, f_b, g_a, g_b], set())],
2137
[f_a, g_a, f_b, g_b], [], positions,
2138
_min_buffer_size=150)
2139
self.assertGroupKeysForIo([([f_a, f_b], set()), ([g_a, g_b], set())],
2140
[f_a, g_a, f_b, g_b], [], positions,
2141
_min_buffer_size=100)
2142
self.assertGroupKeysForIo([([f_c], set()), ([g_b], set())],
2143
[f_c, g_b], [], positions,
2144
_min_buffer_size=125)
2145
self.assertGroupKeysForIo([([g_b, f_c], set())],
2146
[g_b, f_c], [], positions,
2147
_min_buffer_size=125)
2149
def test__split_by_prefix(self):
2150
self.assertSplitByPrefix({'f': [('f', 'a'), ('f', 'b')],
2151
'g': [('g', 'b'), ('g', 'a')],
2153
[('f', 'a'), ('g', 'b'),
2154
('g', 'a'), ('f', 'b')])
2156
self.assertSplitByPrefix({'f': [('f', 'a'), ('f', 'b')],
2157
'g': [('g', 'b'), ('g', 'a')],
2159
[('f', 'a'), ('f', 'b'),
2160
('g', 'b'), ('g', 'a')])
2162
self.assertSplitByPrefix({'f': [('f', 'a'), ('f', 'b')],
2163
'g': [('g', 'b'), ('g', 'a')],
2165
[('f', 'a'), ('f', 'b'),
2166
('g', 'b'), ('g', 'a')])
2168
self.assertSplitByPrefix({'f': [('f', 'a'), ('f', 'b')],
2169
'g': [('g', 'b'), ('g', 'a')],
2170
'': [('a',), ('b',)]
2172
[('f', 'a'), ('g', 'b'),
2174
('g', 'a'), ('f', 'b')])
2177
class TestStacking(KnitTests):
2179
def get_basis_and_test_knit(self):
2180
basis = self.make_test_knit(name='basis')
2181
basis = RecordingVersionedFilesDecorator(basis)
2182
test = self.make_test_knit(name='test')
2183
test.add_fallback_versioned_files(basis)
2186
def test_add_fallback_versioned_files(self):
2187
basis = self.make_test_knit(name='basis')
2188
test = self.make_test_knit(name='test')
2189
# It must not error; other tests test that the fallback is referred to
2190
# when accessing data.
2191
test.add_fallback_versioned_files(basis)
2193
def test_add_lines(self):
2194
# lines added to the test are not added to the basis
2195
basis, test = self.get_basis_and_test_knit()
2197
key_basis = ('bar',)
2198
key_cross_border = ('quux',)
2199
key_delta = ('zaphod',)
2200
test.add_lines(key, (), ['foo\n'])
2201
self.assertEqual({}, basis.get_parent_map([key]))
2202
# lines added to the test that reference across the stack do a
2204
basis.add_lines(key_basis, (), ['foo\n'])
2206
test.add_lines(key_cross_border, (key_basis,), ['foo\n'])
2207
self.assertEqual('fulltext', test._index.get_method(key_cross_border))
2208
# we don't even need to look at the basis to see that this should be
2209
# stored as a fulltext
2210
self.assertEqual([], basis.calls)
2211
# Subsequent adds do delta.
2213
test.add_lines(key_delta, (key_cross_border,), ['foo\n'])
2214
self.assertEqual('line-delta', test._index.get_method(key_delta))
2215
self.assertEqual([], basis.calls)
2217
def test_annotate(self):
2218
# annotations from the test knit are answered without asking the basis
2219
basis, test = self.get_basis_and_test_knit()
2221
key_basis = ('bar',)
2222
key_missing = ('missing',)
2223
test.add_lines(key, (), ['foo\n'])
2224
details = test.annotate(key)
2225
self.assertEqual([(key, 'foo\n')], details)
2226
self.assertEqual([], basis.calls)
2227
# But texts that are not in the test knit are looked for in the basis
2229
basis.add_lines(key_basis, (), ['foo\n', 'bar\n'])
2231
details = test.annotate(key_basis)
2232
self.assertEqual([(key_basis, 'foo\n'), (key_basis, 'bar\n')], details)
2233
# Not optimised to date:
2234
# self.assertEqual([("annotate", key_basis)], basis.calls)
2235
self.assertEqual([('get_parent_map', set([key_basis])),
2236
('get_parent_map', set([key_basis])),
2237
('get_record_stream', [key_basis], 'topological', True)],
2240
def test_check(self):
2241
# At the moment checking a stacked knit does implicitly check the
2243
basis, test = self.get_basis_and_test_knit()
2246
def test_get_parent_map(self):
2247
# parents in the test knit are answered without asking the basis
2248
basis, test = self.get_basis_and_test_knit()
2250
key_basis = ('bar',)
2251
key_missing = ('missing',)
2252
test.add_lines(key, (), [])
2253
parent_map = test.get_parent_map([key])
2254
self.assertEqual({key: ()}, parent_map)
2255
self.assertEqual([], basis.calls)
2256
# But parents that are not in the test knit are looked for in the basis
2257
basis.add_lines(key_basis, (), [])
2259
parent_map = test.get_parent_map([key, key_basis, key_missing])
2260
self.assertEqual({key: (),
2261
key_basis: ()}, parent_map)
2262
self.assertEqual([("get_parent_map", set([key_basis, key_missing]))],
2265
def test_get_record_stream_unordered_fulltexts(self):
2266
# records from the test knit are answered without asking the basis:
2267
basis, test = self.get_basis_and_test_knit()
2269
key_basis = ('bar',)
2270
key_missing = ('missing',)
2271
test.add_lines(key, (), ['foo\n'])
2272
records = list(test.get_record_stream([key], 'unordered', True))
2273
self.assertEqual(1, len(records))
2274
self.assertEqual([], basis.calls)
2275
# Missing (from test knit) objects are retrieved from the basis:
2276
basis.add_lines(key_basis, (), ['foo\n', 'bar\n'])
2278
records = list(test.get_record_stream([key_basis, key_missing],
2280
self.assertEqual(2, len(records))
2281
calls = list(basis.calls)
2282
for record in records:
2283
self.assertSubset([record.key], (key_basis, key_missing))
2284
if record.key == key_missing:
2285
self.assertIsInstance(record, AbsentContentFactory)
2287
reference = list(basis.get_record_stream([key_basis],
2288
'unordered', True))[0]
2289
self.assertEqual(reference.key, record.key)
2290
self.assertEqual(reference.sha1, record.sha1)
2291
self.assertEqual(reference.storage_kind, record.storage_kind)
2292
self.assertEqual(reference.get_bytes_as(reference.storage_kind),
2293
record.get_bytes_as(record.storage_kind))
2294
self.assertEqual(reference.get_bytes_as('fulltext'),
2295
record.get_bytes_as('fulltext'))
2296
# It's not strictly minimal, but it seems reasonable for now for it to
2297
# ask which fallbacks have which parents.
2299
("get_parent_map", set([key_basis, key_missing])),
2300
("get_record_stream", [key_basis], 'unordered', True)],
2303
def test_get_record_stream_ordered_fulltexts(self):
2304
# ordering is preserved down into the fallback store.
2305
basis, test = self.get_basis_and_test_knit()
2307
key_basis = ('bar',)
2308
key_basis_2 = ('quux',)
2309
key_missing = ('missing',)
2310
test.add_lines(key, (key_basis,), ['foo\n'])
2311
# Missing (from test knit) objects are retrieved from the basis:
2312
basis.add_lines(key_basis, (key_basis_2,), ['foo\n', 'bar\n'])
2313
basis.add_lines(key_basis_2, (), ['quux\n'])
2315
# ask for in non-topological order
2316
records = list(test.get_record_stream(
2317
[key, key_basis, key_missing, key_basis_2], 'topological', True))
2318
self.assertEqual(4, len(records))
2320
for record in records:
2321
self.assertSubset([record.key],
2322
(key_basis, key_missing, key_basis_2, key))
2323
if record.key == key_missing:
2324
self.assertIsInstance(record, AbsentContentFactory)
2326
results.append((record.key, record.sha1, record.storage_kind,
2327
record.get_bytes_as('fulltext')))
2328
calls = list(basis.calls)
2329
order = [record[0] for record in results]
2330
self.assertEqual([key_basis_2, key_basis, key], order)
2331
for result in results:
2332
if result[0] == key:
2336
record = source.get_record_stream([result[0]], 'unordered',
2338
self.assertEqual(record.key, result[0])
2339
self.assertEqual(record.sha1, result[1])
2340
# We used to check that the storage kind matched, but actually it
2341
# depends on whether it was sourced from the basis, or in a single
2342
# group, because asking for full texts returns proxy objects to a
2343
# _ContentMapGenerator object; so checking the kind is unneeded.
2344
self.assertEqual(record.get_bytes_as('fulltext'), result[3])
2345
# It's not strictly minimal, but it seems reasonable for now for it to
2346
# ask which fallbacks have which parents.
2348
("get_parent_map", set([key_basis, key_basis_2, key_missing])),
2349
# topological is requested from the fallback, because that is what
2350
# was requested at the top level.
2351
("get_record_stream", [key_basis_2, key_basis], 'topological', True)],
2354
def test_get_record_stream_unordered_deltas(self):
2355
# records from the test knit are answered without asking the basis:
2356
basis, test = self.get_basis_and_test_knit()
2358
key_basis = ('bar',)
2359
key_missing = ('missing',)
2360
test.add_lines(key, (), ['foo\n'])
2361
records = list(test.get_record_stream([key], 'unordered', False))
2362
self.assertEqual(1, len(records))
2363
self.assertEqual([], basis.calls)
2364
# Missing (from test knit) objects are retrieved from the basis:
2365
basis.add_lines(key_basis, (), ['foo\n', 'bar\n'])
2367
records = list(test.get_record_stream([key_basis, key_missing],
2368
'unordered', False))
2369
self.assertEqual(2, len(records))
2370
calls = list(basis.calls)
2371
for record in records:
2372
self.assertSubset([record.key], (key_basis, key_missing))
2373
if record.key == key_missing:
2374
self.assertIsInstance(record, AbsentContentFactory)
2376
reference = list(basis.get_record_stream([key_basis],
2377
'unordered', False))[0]
2378
self.assertEqual(reference.key, record.key)
2379
self.assertEqual(reference.sha1, record.sha1)
2380
self.assertEqual(reference.storage_kind, record.storage_kind)
2381
self.assertEqual(reference.get_bytes_as(reference.storage_kind),
2382
record.get_bytes_as(record.storage_kind))
2383
# It's not strictly minimal, but it seems reasonable for now for it to
2384
# ask which fallbacks have which parents.
2386
("get_parent_map", set([key_basis, key_missing])),
2387
("get_record_stream", [key_basis], 'unordered', False)],
2390
def test_get_record_stream_ordered_deltas(self):
2391
# ordering is preserved down into the fallback store.
2392
basis, test = self.get_basis_and_test_knit()
2394
key_basis = ('bar',)
2395
key_basis_2 = ('quux',)
2396
key_missing = ('missing',)
2397
test.add_lines(key, (key_basis,), ['foo\n'])
2398
# Missing (from test knit) objects are retrieved from the basis:
2399
basis.add_lines(key_basis, (key_basis_2,), ['foo\n', 'bar\n'])
2400
basis.add_lines(key_basis_2, (), ['quux\n'])
2402
# ask for in non-topological order
2403
records = list(test.get_record_stream(
2404
[key, key_basis, key_missing, key_basis_2], 'topological', False))
2405
self.assertEqual(4, len(records))
2407
for record in records:
2408
self.assertSubset([record.key],
2409
(key_basis, key_missing, key_basis_2, key))
2410
if record.key == key_missing:
2411
self.assertIsInstance(record, AbsentContentFactory)
2413
results.append((record.key, record.sha1, record.storage_kind,
2414
record.get_bytes_as(record.storage_kind)))
2415
calls = list(basis.calls)
2416
order = [record[0] for record in results]
2417
self.assertEqual([key_basis_2, key_basis, key], order)
2418
for result in results:
2419
if result[0] == key:
2423
record = source.get_record_stream([result[0]], 'unordered',
2425
self.assertEqual(record.key, result[0])
2426
self.assertEqual(record.sha1, result[1])
2427
self.assertEqual(record.storage_kind, result[2])
2428
self.assertEqual(record.get_bytes_as(record.storage_kind), result[3])
2429
# It's not strictly minimal, but it seems reasonable for now for it to
2430
# ask which fallbacks have which parents.
2432
("get_parent_map", set([key_basis, key_basis_2, key_missing])),
2433
("get_record_stream", [key_basis_2, key_basis], 'topological', False)],
2436
def test_get_sha1s(self):
2437
# sha1's in the test knit are answered without asking the basis
2438
basis, test = self.get_basis_and_test_knit()
2440
key_basis = ('bar',)
2441
key_missing = ('missing',)
2442
test.add_lines(key, (), ['foo\n'])
2443
key_sha1sum = osutils.sha_string('foo\n')
2444
sha1s = test.get_sha1s([key])
2445
self.assertEqual({key: key_sha1sum}, sha1s)
2446
self.assertEqual([], basis.calls)
2447
# But texts that are not in the test knit are looked for in the basis
2448
# directly (rather than via text reconstruction) so that remote servers
2449
# etc don't have to answer with full content.
2450
basis.add_lines(key_basis, (), ['foo\n', 'bar\n'])
2451
basis_sha1sum = osutils.sha_string('foo\nbar\n')
2453
sha1s = test.get_sha1s([key, key_missing, key_basis])
2454
self.assertEqual({key: key_sha1sum,
2455
key_basis: basis_sha1sum}, sha1s)
2456
self.assertEqual([("get_sha1s", set([key_basis, key_missing]))],
2459
def test_insert_record_stream(self):
2460
# records are inserted as normal; insert_record_stream builds on
2461
# add_lines, so a smoke test should be all that's needed:
2463
key_basis = ('bar',)
2464
key_delta = ('zaphod',)
2465
basis, test = self.get_basis_and_test_knit()
2466
source = self.make_test_knit(name='source')
2467
basis.add_lines(key_basis, (), ['foo\n'])
2469
source.add_lines(key_basis, (), ['foo\n'])
2470
source.add_lines(key_delta, (key_basis,), ['bar\n'])
2471
stream = source.get_record_stream([key_delta], 'unordered', False)
2472
test.insert_record_stream(stream)
2473
# XXX: this does somewhat too many calls in making sure of whether it
2474
# has to recreate the full text.
2475
self.assertEqual([("get_parent_map", set([key_basis])),
2476
('get_parent_map', set([key_basis])),
2477
('get_record_stream', [key_basis], 'unordered', True)],
2479
self.assertEqual({key_delta:(key_basis,)},
2480
test.get_parent_map([key_delta]))
2481
self.assertEqual('bar\n', test.get_record_stream([key_delta],
2482
'unordered', True).next().get_bytes_as('fulltext'))
2484
def test_iter_lines_added_or_present_in_keys(self):
2485
# Lines from the basis are returned, and lines for a given key are only
2489
# all sources are asked for keys:
2490
basis, test = self.get_basis_and_test_knit()
2491
basis.add_lines(key1, (), ["foo"])
2493
lines = list(test.iter_lines_added_or_present_in_keys([key1]))
2494
self.assertEqual([("foo\n", key1)], lines)
2495
self.assertEqual([("iter_lines_added_or_present_in_keys", set([key1]))],
2497
# keys in both are not duplicated:
2498
test.add_lines(key2, (), ["bar\n"])
2499
basis.add_lines(key2, (), ["bar\n"])
2501
lines = list(test.iter_lines_added_or_present_in_keys([key2]))
2502
self.assertEqual([("bar\n", key2)], lines)
2503
self.assertEqual([], basis.calls)
2505
def test_keys(self):
2508
# all sources are asked for keys:
2509
basis, test = self.get_basis_and_test_knit()
2511
self.assertEqual(set(), set(keys))
2512
self.assertEqual([("keys",)], basis.calls)
2513
# keys from a basis are returned:
2514
basis.add_lines(key1, (), [])
2517
self.assertEqual(set([key1]), set(keys))
2518
self.assertEqual([("keys",)], basis.calls)
2519
# keys in both are not duplicated:
2520
test.add_lines(key2, (), [])
2521
basis.add_lines(key2, (), [])
2524
self.assertEqual(2, len(keys))
2525
self.assertEqual(set([key1, key2]), set(keys))
2526
self.assertEqual([("keys",)], basis.calls)
2528
def test_add_mpdiffs(self):
2529
# records are inserted as normal; add_mpdiff builds on
2530
# add_lines, so a smoke test should be all that's needed:
2532
key_basis = ('bar',)
2533
key_delta = ('zaphod',)
2534
basis, test = self.get_basis_and_test_knit()
2535
source = self.make_test_knit(name='source')
2536
basis.add_lines(key_basis, (), ['foo\n'])
2538
source.add_lines(key_basis, (), ['foo\n'])
2539
source.add_lines(key_delta, (key_basis,), ['bar\n'])
2540
diffs = source.make_mpdiffs([key_delta])
2541
test.add_mpdiffs([(key_delta, (key_basis,),
2542
source.get_sha1s([key_delta])[key_delta], diffs[0])])
2543
self.assertEqual([("get_parent_map", set([key_basis])),
2544
('get_record_stream', [key_basis], 'unordered', True),],
2546
self.assertEqual({key_delta:(key_basis,)},
2547
test.get_parent_map([key_delta]))
2548
self.assertEqual('bar\n', test.get_record_stream([key_delta],
2549
'unordered', True).next().get_bytes_as('fulltext'))
2551
def test_make_mpdiffs(self):
2552
# Generating an mpdiff across a stacking boundary should detect parent
2556
key_right = ('zaphod',)
2557
basis, test = self.get_basis_and_test_knit()
2558
basis.add_lines(key_left, (), ['bar\n'])
2559
basis.add_lines(key_right, (), ['zaphod\n'])
2561
test.add_lines(key, (key_left, key_right),
2562
['bar\n', 'foo\n', 'zaphod\n'])
2563
diffs = test.make_mpdiffs([key])
2565
multiparent.MultiParent([multiparent.ParentText(0, 0, 0, 1),
2566
multiparent.NewText(['foo\n']),
2567
multiparent.ParentText(1, 0, 2, 1)])],
2569
self.assertEqual(3, len(basis.calls))
2571
("get_parent_map", set([key_left, key_right])),
2572
("get_parent_map", set([key_left, key_right])),
2575
last_call = basis.calls[-1]
2576
self.assertEqual('get_record_stream', last_call[0])
2577
self.assertEqual(set([key_left, key_right]), set(last_call[1]))
2578
self.assertEqual('topological', last_call[2])
2579
self.assertEqual(True, last_call[3])
2582
class TestNetworkBehaviour(KnitTests):
2583
"""Tests for getting data out of/into knits over the network."""
2585
def test_include_delta_closure_generates_a_knit_delta_closure(self):
2586
vf = self.make_test_knit(name='test')
2587
# put in three texts, giving ft, delta, delta
2588
vf.add_lines(('base',), (), ['base\n', 'content\n'])
2589
vf.add_lines(('d1',), (('base',),), ['d1\n'])
2590
vf.add_lines(('d2',), (('d1',),), ['d2\n'])
2591
# But heuristics could interfere, so check what happened:
2592
self.assertEqual(['knit-ft-gz', 'knit-delta-gz', 'knit-delta-gz'],
2593
[record.storage_kind for record in
2594
vf.get_record_stream([('base',), ('d1',), ('d2',)],
2595
'topological', False)])
2596
# generate a stream of just the deltas include_delta_closure=True,
2597
# serialise to the network, and check that we get a delta closure on the wire.
2598
stream = vf.get_record_stream([('d1',), ('d2',)], 'topological', True)
2599
netb = [record.get_bytes_as(record.storage_kind) for record in stream]
2600
# The first bytes should be a memo from _ContentMapGenerator, and the
2601
# second bytes should be empty (because its a API proxy not something
2602
# for wire serialisation.
2603
self.assertEqual('', netb[1])
2605
kind, line_end = network_bytes_to_kind_and_offset(bytes)
2606
self.assertEqual('knit-delta-closure', kind)
2609
class TestContentMapGenerator(KnitTests):
2610
"""Tests for ContentMapGenerator"""
2612
def test_get_record_stream_gives_records(self):
2613
vf = self.make_test_knit(name='test')
2614
# put in three texts, giving ft, delta, delta
2615
vf.add_lines(('base',), (), ['base\n', 'content\n'])
2616
vf.add_lines(('d1',), (('base',),), ['d1\n'])
2617
vf.add_lines(('d2',), (('d1',),), ['d2\n'])
2618
keys = [('d1',), ('d2',)]
2619
generator = _VFContentMapGenerator(vf, keys,
2620
global_map=vf.get_parent_map(keys))
2621
for record in generator.get_record_stream():
2622
if record.key == ('d1',):
2623
self.assertEqual('d1\n', record.get_bytes_as('fulltext'))
2625
self.assertEqual('d2\n', record.get_bytes_as('fulltext'))
2627
def test_get_record_stream_kinds_are_raw(self):
2628
vf = self.make_test_knit(name='test')
2629
# put in three texts, giving ft, delta, delta
2630
vf.add_lines(('base',), (), ['base\n', 'content\n'])
2631
vf.add_lines(('d1',), (('base',),), ['d1\n'])
2632
vf.add_lines(('d2',), (('d1',),), ['d2\n'])
2633
keys = [('base',), ('d1',), ('d2',)]
2634
generator = _VFContentMapGenerator(vf, keys,
2635
global_map=vf.get_parent_map(keys))
2636
kinds = {('base',): 'knit-delta-closure',
2637
('d1',): 'knit-delta-closure-ref',
2638
('d2',): 'knit-delta-closure-ref',
2640
for record in generator.get_record_stream():
2641
self.assertEqual(kinds[record.key], record.storage_kind)
2270
def test_iter_parents(self):
2271
index = self.two_graph_index()
2272
self.assertEqual(set([
2273
('tip', ()), ('tail', ()), ('parent', ()), ('separate', ())
2275
set(index.iter_parents(['tip', 'tail', 'ghost', 'parent', 'separate'])))
2276
self.assertEqual(set([('tip', ())]),
2277
set(index.iter_parents(['tip'])))
2278
self.assertEqual(set(),
2279
set(index.iter_parents([])))
added
removed
bzrlib/tests/test_knit.py
