17
17
"""Tests for Knit data structure"""
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from cStringIO import StringIO
31
from bzrlib.errors import (
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RevisionAlreadyPresent,
37
from bzrlib.index import *
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from bzrlib.errors import KnitError, RevisionAlreadyPresent
38
24
from bzrlib.knit import (
44
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KnitAnnotateFactory,
53
29
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.transport import get_transport
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from bzrlib.tests import TestCaseWithTransport
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from bzrlib.transport import TransportLogger, get_transport
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32
from bzrlib.transport.memory import MemoryTransport
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from bzrlib.util import bencode
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33
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 KnitContentTestsMixin(object):
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def test_constructor(self):
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content = self._make_content([])
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content = self._make_content([])
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self.assertEqual(content.text(), [])
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content = self._make_content([("origin1", "text1"), ("origin2", "text2")])
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self.assertEqual(content.text(), ["text1", "text2"])
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content = self._make_content([("origin1", "text1"), ("origin2", "text2")])
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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 = KnitSequenceMatcher(None, source_lines, target_lines)
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matcher_blocks = list(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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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_annotate_iter(self):
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content = self._make_content([])
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it = content.annotate_iter()
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self.assertRaises(StopIteration, it.next)
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content = self._make_content([("bogus", "text1"), ("bogus", "text2")])
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it = content.annotate_iter()
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self.assertEqual(it.next(), ("bogus", "text1"))
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self.assertEqual(it.next(), ("bogus", "text2"))
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self.assertRaises(StopIteration, it.next)
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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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[("origin1", "text1"), ("origin2", "text2")])
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def test_annotate_iter(self):
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content = self._make_content([])
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it = content.annotate_iter()
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self.assertRaises(StopIteration, it.next)
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content = self._make_content([("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_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 MockTransport(object):
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def __init__(self, file_lines=None):
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self.file_lines = file_lines
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# We have no base directory for the MockTransport
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def get(self, filename):
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if self.file_lines is None:
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raise NoSuchFile(filename)
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return StringIO("\n".join(self.file_lines))
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def readv(self, relpath, offsets):
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fp = self.get(relpath)
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for offset, size in offsets:
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yield offset, fp.read(size)
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def __getattr__(self, name):
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def queue_call(*args, **kwargs):
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self.calls.append((name, args, kwargs))
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class KnitRecordAccessTestsMixin(object):
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"""Tests for getting and putting knit records."""
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def assertAccessExists(self, access):
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"""Ensure the data area for access has been initialised/exists."""
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raise NotImplementedError(self.assertAccessExists)
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def test_add_raw_records(self):
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"""Add_raw_records adds records retrievable later."""
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access = self.get_access()
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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_add_several_raw_records(self):
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"""add_raw_records with many records and read some back."""
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access = self.get_access()
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memos = access.add_raw_records([10, 2, 5], '12345678901234567')
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self.assertEqual(['1234567890', '12', '34567'],
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list(access.get_raw_records(memos)))
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self.assertEqual(['1234567890'],
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list(access.get_raw_records(memos[0:1])))
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self.assertEqual(['12'],
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list(access.get_raw_records(memos[1:2])))
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self.assertEqual(['34567'],
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list(access.get_raw_records(memos[2:3])))
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self.assertEqual(['1234567890', '34567'],
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list(access.get_raw_records(memos[0:1] + memos[2:3])))
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def test_create(self):
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"""create() should make a file on disk."""
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access = self.get_access()
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self.assertAccessExists(access)
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def test_open_file(self):
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"""open_file never errors."""
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access = self.get_access()
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class TestKnitKnitAccess(TestCaseWithMemoryTransport, KnitRecordAccessTestsMixin):
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"""Tests for the .kndx implementation."""
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def assertAccessExists(self, access):
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self.assertNotEqual(None, access.open_file())
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def get_access(self):
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"""Get a .knit style access instance."""
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access = _KnitAccess(self.get_transport(), "foo.knit", None, None,
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class TestPackKnitAccess(TestCaseWithMemoryTransport, KnitRecordAccessTestsMixin):
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"""Tests for the pack based access."""
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def assertAccessExists(self, access):
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# as pack based access has no backing unless an index maps data, this
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def get_access(self):
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return self._get_access()[0]
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def _get_access(self, packname='packfile', index='FOO'):
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transport = self.get_transport()
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def write_data(bytes):
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transport.append_bytes(packname, bytes)
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writer = pack.ContainerWriter(write_data)
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indices = {index:(transport, packname)}
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access = _PackAccess(indices, writer=(writer, index))
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return access, writer
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def test_read_from_several_packs(self):
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access, writer = self._get_access()
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memos.extend(access.add_raw_records([10], '1234567890'))
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access, writer = self._get_access('pack2', 'FOOBAR')
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memos.extend(access.add_raw_records([5], '12345'))
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access, writer = self._get_access('pack3', 'BAZ')
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memos.extend(access.add_raw_records([5], 'alpha'))
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transport = self.get_transport()
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access = _PackAccess({"FOO":(transport, 'packfile'),
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"FOOBAR":(transport, 'pack2'),
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"BAZ":(transport, 'pack3')})
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self.assertEqual(['1234567890', '12345', 'alpha'],
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list(access.get_raw_records(memos)))
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self.assertEqual(['1234567890'],
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list(access.get_raw_records(memos[0:1])))
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self.assertEqual(['12345'],
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list(access.get_raw_records(memos[1:2])))
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self.assertEqual(['alpha'],
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list(access.get_raw_records(memos[2:3])))
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self.assertEqual(['1234567890', 'alpha'],
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list(access.get_raw_records(memos[0:1] + memos[2:3])))
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def test_set_writer(self):
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"""The writer should be settable post construction."""
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access = _PackAccess({})
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transport = self.get_transport()
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packname = 'packfile'
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def write_data(bytes):
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transport.append_bytes(packname, bytes)
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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([10], '1234567890')
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self.assertEqual(['1234567890'], list(access.get_raw_records(memos)))
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class LowLevelKnitDataTests(TestCase):
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def create_gz_content(self, text):
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gz_file = gzip.GzipFile(mode='wb', fileobj=sio)
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return sio.getvalue()
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def test_valid_knit_data(self):
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sha1sum = sha.new('foo\nbar\n').hexdigest()
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gz_txt = self.create_gz_content('version rev-id-1 2 %s\n'
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transport = MockTransport([gz_txt])
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access = _KnitAccess(transport, 'filename', None, None, False, False)
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data = _KnitData(access=access)
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records = [('rev-id-1', (None, 0, len(gz_txt)))]
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contents = data.read_records(records)
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self.assertEqual({'rev-id-1':(['foo\n', 'bar\n'], sha1sum)}, contents)
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raw_contents = list(data.read_records_iter_raw(records))
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self.assertEqual([('rev-id-1', gz_txt)], raw_contents)
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def test_not_enough_lines(self):
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sha1sum = sha.new('foo\n').hexdigest()
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# record says 2 lines data says 1
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gz_txt = self.create_gz_content('version rev-id-1 2 %s\n'
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transport = MockTransport([gz_txt])
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access = _KnitAccess(transport, 'filename', None, None, False, False)
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data = _KnitData(access=access)
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records = [('rev-id-1', (None, 0, len(gz_txt)))]
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self.assertRaises(errors.KnitCorrupt, data.read_records, records)
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# read_records_iter_raw won't detect that sort of mismatch/corruption
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raw_contents = list(data.read_records_iter_raw(records))
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self.assertEqual([('rev-id-1', gz_txt)], raw_contents)
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def test_too_many_lines(self):
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sha1sum = sha.new('foo\nbar\n').hexdigest()
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# record says 1 lines data says 2
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gz_txt = self.create_gz_content('version rev-id-1 1 %s\n'
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transport = MockTransport([gz_txt])
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access = _KnitAccess(transport, 'filename', None, None, False, False)
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data = _KnitData(access=access)
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records = [('rev-id-1', (None, 0, len(gz_txt)))]
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self.assertRaises(errors.KnitCorrupt, data.read_records, records)
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# read_records_iter_raw won't detect that sort of mismatch/corruption
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raw_contents = list(data.read_records_iter_raw(records))
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self.assertEqual([('rev-id-1', gz_txt)], raw_contents)
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def test_mismatched_version_id(self):
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sha1sum = sha.new('foo\nbar\n').hexdigest()
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gz_txt = self.create_gz_content('version rev-id-1 2 %s\n'
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transport = MockTransport([gz_txt])
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access = _KnitAccess(transport, 'filename', None, None, False, False)
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data = _KnitData(access=access)
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# We are asking for rev-id-2, but the data is rev-id-1
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records = [('rev-id-2', (None, 0, len(gz_txt)))]
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self.assertRaises(errors.KnitCorrupt, data.read_records, records)
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# read_records_iter_raw will notice if we request the wrong version.
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self.assertRaises(errors.KnitCorrupt, list,
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data.read_records_iter_raw(records))
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def test_uncompressed_data(self):
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sha1sum = sha.new('foo\nbar\n').hexdigest()
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txt = ('version rev-id-1 2 %s\n'
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transport = MockTransport([txt])
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access = _KnitAccess(transport, 'filename', None, None, False, False)
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data = _KnitData(access=access)
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records = [('rev-id-1', (None, 0, len(txt)))]
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# We don't have valid gzip data ==> corrupt
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self.assertRaises(errors.KnitCorrupt, data.read_records, records)
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# read_records_iter_raw will notice the bad data
459
self.assertRaises(errors.KnitCorrupt, list,
460
data.read_records_iter_raw(records))
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def test_corrupted_data(self):
463
sha1sum = sha.new('foo\nbar\n').hexdigest()
464
gz_txt = self.create_gz_content('version rev-id-1 2 %s\n'
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# Change 2 bytes in the middle to \xff
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gz_txt = gz_txt[:10] + '\xff\xff' + gz_txt[12:]
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transport = MockTransport([gz_txt])
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access = _KnitAccess(transport, 'filename', None, None, False, False)
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data = _KnitData(access=access)
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records = [('rev-id-1', (None, 0, len(gz_txt)))]
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self.assertRaises(errors.KnitCorrupt, data.read_records, records)
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# read_records_iter_raw will notice if we request the wrong version.
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self.assertRaises(errors.KnitCorrupt, list,
480
data.read_records_iter_raw(records))
483
class LowLevelKnitIndexTests(TestCase):
485
def get_knit_index(self, *args, **kwargs):
486
orig = knit._load_data
488
knit._load_data = orig
489
self.addCleanup(reset)
490
from bzrlib._knit_load_data_py import _load_data_py
491
knit._load_data = _load_data_py
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return _KnitIndex(*args, **kwargs)
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def test_no_such_file(self):
495
transport = MockTransport()
497
self.assertRaises(NoSuchFile, self.get_knit_index,
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transport, "filename", "r")
499
self.assertRaises(NoSuchFile, self.get_knit_index,
500
transport, "filename", "w", create=False)
502
def test_create_file(self):
503
transport = MockTransport()
505
index = self.get_knit_index(transport, "filename", "w",
506
file_mode="wb", create=True)
508
("put_bytes_non_atomic",
509
("filename", index.HEADER), {"mode": "wb"}),
510
transport.calls.pop(0))
512
def test_delay_create_file(self):
513
transport = MockTransport()
515
index = self.get_knit_index(transport, "filename", "w",
516
create=True, file_mode="wb", create_parent_dir=True,
517
delay_create=True, dir_mode=0777)
518
self.assertEqual([], transport.calls)
520
index.add_versions([])
521
name, (filename, f), kwargs = transport.calls.pop(0)
522
self.assertEqual("put_file_non_atomic", name)
524
{"dir_mode": 0777, "create_parent_dir": True, "mode": "wb"},
526
self.assertEqual("filename", filename)
527
self.assertEqual(index.HEADER, f.read())
529
index.add_versions([])
530
self.assertEqual(("append_bytes", ("filename", ""), {}),
531
transport.calls.pop(0))
533
def test_read_utf8_version_id(self):
534
unicode_revision_id = u"version-\N{CYRILLIC CAPITAL LETTER A}"
535
utf8_revision_id = unicode_revision_id.encode('utf-8')
536
transport = MockTransport([
538
'%s option 0 1 :' % (utf8_revision_id,)
540
index = self.get_knit_index(transport, "filename", "r")
541
# _KnitIndex is a private class, and deals in utf8 revision_ids, not
542
# Unicode revision_ids.
543
self.assertTrue(index.has_version(utf8_revision_id))
544
self.assertFalse(index.has_version(unicode_revision_id))
546
def test_read_utf8_parents(self):
547
unicode_revision_id = u"version-\N{CYRILLIC CAPITAL LETTER A}"
548
utf8_revision_id = unicode_revision_id.encode('utf-8')
549
transport = MockTransport([
551
"version option 0 1 .%s :" % (utf8_revision_id,)
553
index = self.get_knit_index(transport, "filename", "r")
554
self.assertEqual([utf8_revision_id],
555
index.get_parents_with_ghosts("version"))
557
def test_read_ignore_corrupted_lines(self):
558
transport = MockTransport([
561
"corrupted options 0 1 .b .c ",
562
"version options 0 1 :"
564
index = self.get_knit_index(transport, "filename", "r")
565
self.assertEqual(1, index.num_versions())
566
self.assertTrue(index.has_version("version"))
568
def test_read_corrupted_header(self):
569
transport = MockTransport(['not a bzr knit index header\n'])
570
self.assertRaises(KnitHeaderError,
571
self.get_knit_index, transport, "filename", "r")
573
def test_read_duplicate_entries(self):
574
transport = MockTransport([
576
"parent options 0 1 :",
577
"version options1 0 1 0 :",
578
"version options2 1 2 .other :",
579
"version options3 3 4 0 .other :"
581
index = self.get_knit_index(transport, "filename", "r")
582
self.assertEqual(2, index.num_versions())
583
# check that the index used is the first one written. (Specific
584
# to KnitIndex style indices.
585
self.assertEqual("1", index._version_list_to_index(["version"]))
586
self.assertEqual((None, 3, 4), index.get_position("version"))
587
self.assertEqual(["options3"], index.get_options("version"))
588
self.assertEqual(["parent", "other"],
589
index.get_parents_with_ghosts("version"))
591
def test_read_compressed_parents(self):
592
transport = MockTransport([
596
"c option 0 1 1 0 :",
598
index = self.get_knit_index(transport, "filename", "r")
599
self.assertEqual(["a"], index.get_parents("b"))
600
self.assertEqual(["b", "a"], index.get_parents("c"))
602
def test_write_utf8_version_id(self):
603
unicode_revision_id = u"version-\N{CYRILLIC CAPITAL LETTER A}"
604
utf8_revision_id = unicode_revision_id.encode('utf-8')
605
transport = MockTransport([
608
index = self.get_knit_index(transport, "filename", "r")
609
index.add_version(utf8_revision_id, ["option"], (None, 0, 1), [])
610
self.assertEqual(("append_bytes", ("filename",
611
"\n%s option 0 1 :" % (utf8_revision_id,)),
613
transport.calls.pop(0))
615
def test_write_utf8_parents(self):
616
unicode_revision_id = u"version-\N{CYRILLIC CAPITAL LETTER A}"
617
utf8_revision_id = unicode_revision_id.encode('utf-8')
618
transport = MockTransport([
621
index = self.get_knit_index(transport, "filename", "r")
622
index.add_version("version", ["option"], (None, 0, 1), [utf8_revision_id])
623
self.assertEqual(("append_bytes", ("filename",
624
"\nversion option 0 1 .%s :" % (utf8_revision_id,)),
626
transport.calls.pop(0))
628
def test_get_graph(self):
629
transport = MockTransport()
630
index = self.get_knit_index(transport, "filename", "w", create=True)
631
self.assertEqual([], index.get_graph())
633
index.add_version("a", ["option"], (None, 0, 1), ["b"])
634
self.assertEqual([("a", ["b"])], index.get_graph())
636
index.add_version("c", ["option"], (None, 0, 1), ["d"])
637
self.assertEqual([("a", ["b"]), ("c", ["d"])],
638
sorted(index.get_graph()))
640
def test_get_ancestry(self):
641
transport = MockTransport([
644
"b option 0 1 0 .e :",
645
"c option 0 1 1 0 :",
646
"d option 0 1 2 .f :"
648
index = self.get_knit_index(transport, "filename", "r")
650
self.assertEqual([], index.get_ancestry([]))
651
self.assertEqual(["a"], index.get_ancestry(["a"]))
652
self.assertEqual(["a", "b"], index.get_ancestry(["b"]))
653
self.assertEqual(["a", "b", "c"], index.get_ancestry(["c"]))
654
self.assertEqual(["a", "b", "c", "d"], index.get_ancestry(["d"]))
655
self.assertEqual(["a", "b"], index.get_ancestry(["a", "b"]))
656
self.assertEqual(["a", "b", "c"], index.get_ancestry(["a", "c"]))
658
self.assertRaises(RevisionNotPresent, index.get_ancestry, ["e"])
660
def test_get_ancestry_with_ghosts(self):
661
transport = MockTransport([
664
"b option 0 1 0 .e :",
665
"c option 0 1 0 .f .g :",
666
"d option 0 1 2 .h .j .k :"
668
index = self.get_knit_index(transport, "filename", "r")
670
self.assertEqual([], index.get_ancestry_with_ghosts([]))
671
self.assertEqual(["a"], index.get_ancestry_with_ghosts(["a"]))
672
self.assertEqual(["a", "e", "b"],
673
index.get_ancestry_with_ghosts(["b"]))
674
self.assertEqual(["a", "g", "f", "c"],
675
index.get_ancestry_with_ghosts(["c"]))
676
self.assertEqual(["a", "g", "f", "c", "k", "j", "h", "d"],
677
index.get_ancestry_with_ghosts(["d"]))
678
self.assertEqual(["a", "e", "b"],
679
index.get_ancestry_with_ghosts(["a", "b"]))
680
self.assertEqual(["a", "g", "f", "c"],
681
index.get_ancestry_with_ghosts(["a", "c"]))
683
["a", "g", "f", "c", "e", "b", "k", "j", "h", "d"],
684
index.get_ancestry_with_ghosts(["b", "d"]))
686
self.assertRaises(RevisionNotPresent,
687
index.get_ancestry_with_ghosts, ["e"])
689
def test_iter_parents(self):
690
transport = MockTransport()
691
index = self.get_knit_index(transport, "filename", "w", create=True)
693
index.add_version('r0', ['option'], (None, 0, 1), [])
695
index.add_version('r1', ['option'], (None, 0, 1), ['r0'])
697
index.add_version('r2', ['option'], (None, 0, 1), ['r1', 'r0'])
699
# cases: each sample data individually:
700
self.assertEqual(set([('r0', ())]),
701
set(index.iter_parents(['r0'])))
702
self.assertEqual(set([('r1', ('r0', ))]),
703
set(index.iter_parents(['r1'])))
704
self.assertEqual(set([('r2', ('r1', 'r0'))]),
705
set(index.iter_parents(['r2'])))
706
# no nodes returned for a missing node
707
self.assertEqual(set(),
708
set(index.iter_parents(['missing'])))
709
# 1 node returned with missing nodes skipped
710
self.assertEqual(set([('r1', ('r0', ))]),
711
set(index.iter_parents(['ghost1', 'r1', 'ghost'])))
713
self.assertEqual(set([('r0', ()), ('r1', ('r0', ))]),
714
set(index.iter_parents(['r0', 'r1'])))
715
# 2 nodes returned, missing skipped
716
self.assertEqual(set([('r0', ()), ('r1', ('r0', ))]),
717
set(index.iter_parents(['a', 'r0', 'b', 'r1', 'c'])))
719
def test_num_versions(self):
720
transport = MockTransport([
723
index = self.get_knit_index(transport, "filename", "r")
725
self.assertEqual(0, index.num_versions())
726
self.assertEqual(0, len(index))
728
index.add_version("a", ["option"], (None, 0, 1), [])
729
self.assertEqual(1, index.num_versions())
730
self.assertEqual(1, len(index))
732
index.add_version("a", ["option2"], (None, 1, 2), [])
733
self.assertEqual(1, index.num_versions())
734
self.assertEqual(1, len(index))
736
index.add_version("b", ["option"], (None, 0, 1), [])
737
self.assertEqual(2, index.num_versions())
738
self.assertEqual(2, len(index))
740
def test_get_versions(self):
741
transport = MockTransport([
744
index = self.get_knit_index(transport, "filename", "r")
746
self.assertEqual([], index.get_versions())
748
index.add_version("a", ["option"], (None, 0, 1), [])
749
self.assertEqual(["a"], index.get_versions())
751
index.add_version("a", ["option"], (None, 0, 1), [])
752
self.assertEqual(["a"], index.get_versions())
754
index.add_version("b", ["option"], (None, 0, 1), [])
755
self.assertEqual(["a", "b"], index.get_versions())
757
def test_add_version(self):
758
transport = MockTransport([
761
index = self.get_knit_index(transport, "filename", "r")
763
index.add_version("a", ["option"], (None, 0, 1), ["b"])
764
self.assertEqual(("append_bytes",
765
("filename", "\na option 0 1 .b :"),
766
{}), transport.calls.pop(0))
767
self.assertTrue(index.has_version("a"))
768
self.assertEqual(1, index.num_versions())
769
self.assertEqual((None, 0, 1), index.get_position("a"))
770
self.assertEqual(["option"], index.get_options("a"))
771
self.assertEqual(["b"], index.get_parents_with_ghosts("a"))
773
index.add_version("a", ["opt"], (None, 1, 2), ["c"])
774
self.assertEqual(("append_bytes",
775
("filename", "\na opt 1 2 .c :"),
776
{}), transport.calls.pop(0))
777
self.assertTrue(index.has_version("a"))
778
self.assertEqual(1, index.num_versions())
779
self.assertEqual((None, 1, 2), index.get_position("a"))
780
self.assertEqual(["opt"], index.get_options("a"))
781
self.assertEqual(["c"], index.get_parents_with_ghosts("a"))
783
index.add_version("b", ["option"], (None, 2, 3), ["a"])
784
self.assertEqual(("append_bytes",
785
("filename", "\nb option 2 3 0 :"),
786
{}), transport.calls.pop(0))
787
self.assertTrue(index.has_version("b"))
788
self.assertEqual(2, index.num_versions())
789
self.assertEqual((None, 2, 3), index.get_position("b"))
790
self.assertEqual(["option"], index.get_options("b"))
791
self.assertEqual(["a"], index.get_parents_with_ghosts("b"))
793
def test_add_versions(self):
794
transport = MockTransport([
797
index = self.get_knit_index(transport, "filename", "r")
800
("a", ["option"], (None, 0, 1), ["b"]),
801
("a", ["opt"], (None, 1, 2), ["c"]),
802
("b", ["option"], (None, 2, 3), ["a"])
804
self.assertEqual(("append_bytes", ("filename",
805
"\na option 0 1 .b :"
808
), {}), transport.calls.pop(0))
809
self.assertTrue(index.has_version("a"))
810
self.assertTrue(index.has_version("b"))
811
self.assertEqual(2, index.num_versions())
812
self.assertEqual((None, 1, 2), index.get_position("a"))
813
self.assertEqual((None, 2, 3), index.get_position("b"))
814
self.assertEqual(["opt"], index.get_options("a"))
815
self.assertEqual(["option"], index.get_options("b"))
816
self.assertEqual(["c"], index.get_parents_with_ghosts("a"))
817
self.assertEqual(["a"], index.get_parents_with_ghosts("b"))
819
def test_add_versions_random_id_is_accepted(self):
820
transport = MockTransport([
823
index = self.get_knit_index(transport, "filename", "r")
826
("a", ["option"], (None, 0, 1), ["b"]),
827
("a", ["opt"], (None, 1, 2), ["c"]),
828
("b", ["option"], (None, 2, 3), ["a"])
831
def test_delay_create_and_add_versions(self):
832
transport = MockTransport()
834
index = self.get_knit_index(transport, "filename", "w",
835
create=True, file_mode="wb", create_parent_dir=True,
836
delay_create=True, dir_mode=0777)
837
self.assertEqual([], transport.calls)
840
("a", ["option"], (None, 0, 1), ["b"]),
841
("a", ["opt"], (None, 1, 2), ["c"]),
842
("b", ["option"], (None, 2, 3), ["a"])
844
name, (filename, f), kwargs = transport.calls.pop(0)
845
self.assertEqual("put_file_non_atomic", name)
847
{"dir_mode": 0777, "create_parent_dir": True, "mode": "wb"},
849
self.assertEqual("filename", filename)
852
"\na option 0 1 .b :"
854
"\nb option 2 3 0 :",
857
def test_has_version(self):
858
transport = MockTransport([
862
index = self.get_knit_index(transport, "filename", "r")
864
self.assertTrue(index.has_version("a"))
865
self.assertFalse(index.has_version("b"))
867
def test_get_position(self):
868
transport = MockTransport([
873
index = self.get_knit_index(transport, "filename", "r")
875
self.assertEqual((None, 0, 1), index.get_position("a"))
876
self.assertEqual((None, 1, 2), index.get_position("b"))
878
def test_get_method(self):
879
transport = MockTransport([
881
"a fulltext,unknown 0 1 :",
882
"b unknown,line-delta 1 2 :",
885
index = self.get_knit_index(transport, "filename", "r")
887
self.assertEqual("fulltext", index.get_method("a"))
888
self.assertEqual("line-delta", index.get_method("b"))
889
self.assertRaises(errors.KnitIndexUnknownMethod, index.get_method, "c")
891
def test_get_options(self):
892
transport = MockTransport([
897
index = self.get_knit_index(transport, "filename", "r")
899
self.assertEqual(["opt1"], index.get_options("a"))
900
self.assertEqual(["opt2", "opt3"], index.get_options("b"))
902
def test_get_parents(self):
903
transport = MockTransport([
906
"b option 1 2 0 .c :",
907
"c option 1 2 1 0 .e :"
909
index = self.get_knit_index(transport, "filename", "r")
911
self.assertEqual([], index.get_parents("a"))
912
self.assertEqual(["a", "c"], index.get_parents("b"))
913
self.assertEqual(["b", "a"], index.get_parents("c"))
915
def test_get_parents_with_ghosts(self):
916
transport = MockTransport([
919
"b option 1 2 0 .c :",
920
"c option 1 2 1 0 .e :"
922
index = self.get_knit_index(transport, "filename", "r")
924
self.assertEqual([], index.get_parents_with_ghosts("a"))
925
self.assertEqual(["a", "c"], index.get_parents_with_ghosts("b"))
926
self.assertEqual(["b", "a", "e"],
927
index.get_parents_with_ghosts("c"))
929
def test_check_versions_present(self):
930
transport = MockTransport([
935
index = self.get_knit_index(transport, "filename", "r")
937
check = index.check_versions_present
943
self.assertRaises(RevisionNotPresent, check, ["c"])
944
self.assertRaises(RevisionNotPresent, check, ["a", "b", "c"])
946
def test_impossible_parent(self):
947
"""Test we get KnitCorrupt if the parent couldn't possibly exist."""
948
transport = MockTransport([
951
"b option 0 1 4 :" # We don't have a 4th record
954
self.assertRaises(errors.KnitCorrupt,
955
self.get_knit_index, transport, 'filename', 'r')
957
if (str(e) == ('exceptions must be strings, classes, or instances,'
958
' not exceptions.IndexError')
959
and sys.version_info[0:2] >= (2,5)):
960
self.knownFailure('Pyrex <0.9.5 fails with TypeError when'
961
' raising new style exceptions with python'
966
def test_corrupted_parent(self):
967
transport = MockTransport([
971
"c option 0 1 1v :", # Can't have a parent of '1v'
974
self.assertRaises(errors.KnitCorrupt,
975
self.get_knit_index, transport, 'filename', 'r')
977
if (str(e) == ('exceptions must be strings, classes, or instances,'
978
' not exceptions.ValueError')
979
and sys.version_info[0:2] >= (2,5)):
980
self.knownFailure('Pyrex <0.9.5 fails with TypeError when'
981
' raising new style exceptions with python'
986
def test_corrupted_parent_in_list(self):
987
transport = MockTransport([
991
"c option 0 1 1 v :", # Can't have a parent of 'v'
994
self.assertRaises(errors.KnitCorrupt,
995
self.get_knit_index, transport, 'filename', 'r')
997
if (str(e) == ('exceptions must be strings, classes, or instances,'
998
' not exceptions.ValueError')
999
and sys.version_info[0:2] >= (2,5)):
1000
self.knownFailure('Pyrex <0.9.5 fails with TypeError when'
1001
' raising new style exceptions with python'
1006
def test_invalid_position(self):
1007
transport = MockTransport([
1012
self.assertRaises(errors.KnitCorrupt,
1013
self.get_knit_index, transport, 'filename', 'r')
1014
except TypeError, e:
1015
if (str(e) == ('exceptions must be strings, classes, or instances,'
1016
' not exceptions.ValueError')
1017
and sys.version_info[0:2] >= (2,5)):
1018
self.knownFailure('Pyrex <0.9.5 fails with TypeError when'
1019
' raising new style exceptions with python'
1024
def test_invalid_size(self):
1025
transport = MockTransport([
1030
self.assertRaises(errors.KnitCorrupt,
1031
self.get_knit_index, transport, 'filename', 'r')
1032
except TypeError, e:
1033
if (str(e) == ('exceptions must be strings, classes, or instances,'
1034
' not exceptions.ValueError')
1035
and sys.version_info[0:2] >= (2,5)):
1036
self.knownFailure('Pyrex <0.9.5 fails with TypeError when'
1037
' raising new style exceptions with python'
1042
def test_short_line(self):
1043
transport = MockTransport([
1046
"b option 10 10 0", # This line isn't terminated, ignored
1048
index = self.get_knit_index(transport, "filename", "r")
1049
self.assertEqual(['a'], index.get_versions())
1051
def test_skip_incomplete_record(self):
1052
# A line with bogus data should just be skipped
1053
transport = MockTransport([
1056
"b option 10 10 0", # This line isn't terminated, ignored
1057
"c option 20 10 0 :", # Properly terminated, and starts with '\n'
1059
index = self.get_knit_index(transport, "filename", "r")
1060
self.assertEqual(['a', 'c'], index.get_versions())
1062
def test_trailing_characters(self):
1063
# A line with bogus data should just be skipped
1064
transport = MockTransport([
1067
"b option 10 10 0 :a", # This line has extra trailing characters
1068
"c option 20 10 0 :", # Properly terminated, and starts with '\n'
1070
index = self.get_knit_index(transport, "filename", "r")
1071
self.assertEqual(['a', 'c'], index.get_versions())
1074
class LowLevelKnitIndexTests_c(LowLevelKnitIndexTests):
1076
_test_needs_features = [CompiledKnitFeature]
1078
def get_knit_index(self, *args, **kwargs):
1079
orig = knit._load_data
1081
knit._load_data = orig
1082
self.addCleanup(reset)
1083
from bzrlib._knit_load_data_c import _load_data_c
1084
knit._load_data = _load_data_c
1085
return _KnitIndex(*args, **kwargs)
1089
36
class KnitTests(TestCaseWithTransport):
1090
37
"""Class containing knit test helper routines."""
1092
def make_test_knit(self, annotate=False, delay_create=False, index=None,
39
def make_test_knit(self, annotate=False):
1095
41
factory = KnitPlainFactory()
1098
return KnitVersionedFile(name, get_transport('.'), access_mode='w',
1099
factory=factory, create=True,
1100
delay_create=delay_create, index=index)
1102
def assertRecordContentEqual(self, knit, version_id, candidate_content):
1103
"""Assert that some raw record content matches the raw record content
1104
for a particular version_id in the given knit.
1106
index_memo = knit._index.get_position(version_id)
1107
record = (version_id, index_memo)
1108
[(_, expected_content)] = list(knit._data.read_records_iter_raw([record]))
1109
self.assertEqual(expected_content, candidate_content)
44
return KnitVersionedFile('test', get_transport('.'), access_mode='w', factory=factory, create=True)
1112
47
class BasicKnitTests(KnitTests):
1546
351
for plan_line, expected_line in zip(plan, AB_MERGE):
1547
352
self.assertEqual(plan_line, expected_line)
1549
def test_get_stream_empty(self):
1550
"""Get a data stream for an empty knit file."""
1551
k1 = self.make_test_knit()
1552
format, data_list, reader_callable = k1.get_data_stream([])
1553
self.assertEqual('knit-plain', format)
1554
self.assertEqual([], data_list)
1555
content = reader_callable(None)
1556
self.assertEqual('', content)
1557
self.assertIsInstance(content, str)
1559
def test_get_stream_one_version(self):
1560
"""Get a data stream for a single record out of a knit containing just
1563
k1 = self.make_test_knit()
1565
('text-a', [], TEXT_1),
1567
expected_data_list = [
1568
# version, options, length, parents
1569
('text-a', ['fulltext'], 122, []),
1571
for version_id, parents, lines in test_data:
1572
k1.add_lines(version_id, parents, split_lines(lines))
1574
format, data_list, reader_callable = k1.get_data_stream(['text-a'])
1575
self.assertEqual('knit-plain', format)
1576
self.assertEqual(expected_data_list, data_list)
1577
# There's only one record in the knit, so the content should be the
1578
# entire knit data file's contents.
1579
self.assertEqual(k1.transport.get_bytes(k1._data._access._filename),
1580
reader_callable(None))
1582
def test_get_stream_get_one_version_of_many(self):
1583
"""Get a data stream for just one version out of a knit containing many
1586
k1 = self.make_test_knit()
1587
# Insert the same data as test_knit_join, as they seem to cover a range
1588
# of cases (no parents, one parent, multiple parents).
1590
('text-a', [], TEXT_1),
1591
('text-b', ['text-a'], TEXT_1),
1592
('text-c', [], TEXT_1),
1593
('text-d', ['text-c'], TEXT_1),
1594
('text-m', ['text-b', 'text-d'], TEXT_1),
1596
expected_data_list = [
1597
# version, options, length, parents
1598
('text-m', ['line-delta'], 84, ['text-b', 'text-d']),
1600
for version_id, parents, lines in test_data:
1601
k1.add_lines(version_id, parents, split_lines(lines))
1603
format, data_list, reader_callable = k1.get_data_stream(['text-m'])
1604
self.assertEqual('knit-plain', format)
1605
self.assertEqual(expected_data_list, data_list)
1606
self.assertRecordContentEqual(k1, 'text-m', reader_callable(None))
1608
def test_get_stream_ghost_parent(self):
1609
"""Get a data stream for a version with a ghost parent."""
1610
k1 = self.make_test_knit()
1612
k1.add_lines('text-a', [], split_lines(TEXT_1))
1613
k1.add_lines_with_ghosts('text-b', ['text-a', 'text-ghost'],
1614
split_lines(TEXT_1))
1616
expected_data_list = [
1617
# version, options, length, parents
1618
('text-b', ['line-delta'], 84, ['text-a', 'text-ghost']),
1621
format, data_list, reader_callable = k1.get_data_stream(['text-b'])
1622
self.assertEqual('knit-plain', format)
1623
self.assertEqual(expected_data_list, data_list)
1624
self.assertRecordContentEqual(k1, 'text-b', reader_callable(None))
1626
def test_get_stream_get_multiple_records(self):
1627
"""Get a stream for multiple records of a knit."""
1628
k1 = self.make_test_knit()
1629
# Insert the same data as test_knit_join, as they seem to cover a range
1630
# of cases (no parents, one parent, multiple parents).
1632
('text-a', [], TEXT_1),
1633
('text-b', ['text-a'], TEXT_1),
1634
('text-c', [], TEXT_1),
1635
('text-d', ['text-c'], TEXT_1),
1636
('text-m', ['text-b', 'text-d'], TEXT_1),
1638
expected_data_list = [
1639
# version, options, length, parents
1640
('text-b', ['line-delta'], 84, ['text-a']),
1641
('text-d', ['line-delta'], 84, ['text-c']),
1643
for version_id, parents, lines in test_data:
1644
k1.add_lines(version_id, parents, split_lines(lines))
1646
# Note that even though we request the revision IDs in a particular
1647
# order, the data stream may return them in any order it likes. In this
1648
# case, they'll be in the order they were inserted into the knit.
1649
format, data_list, reader_callable = k1.get_data_stream(
1650
['text-d', 'text-b'])
1651
self.assertEqual('knit-plain', format)
1652
self.assertEqual(expected_data_list, data_list)
1653
self.assertRecordContentEqual(k1, 'text-b', reader_callable(84))
1654
self.assertRecordContentEqual(k1, 'text-d', reader_callable(84))
1655
self.assertEqual('', reader_callable(None),
1656
"There should be no more bytes left to read.")
1658
def test_get_stream_all(self):
1659
"""Get a data stream for all the records in a knit.
1661
This exercises fulltext records, line-delta records, records with
1662
various numbers of parents, and reading multiple records out of the
1663
callable. These cases ought to all be exercised individually by the
1664
other test_get_stream_* tests; this test is basically just paranoia.
1666
k1 = self.make_test_knit()
1667
# Insert the same data as test_knit_join, as they seem to cover a range
1668
# of cases (no parents, one parent, multiple parents).
1670
('text-a', [], TEXT_1),
1671
('text-b', ['text-a'], TEXT_1),
1672
('text-c', [], TEXT_1),
1673
('text-d', ['text-c'], TEXT_1),
1674
('text-m', ['text-b', 'text-d'], TEXT_1),
1676
expected_data_list = [
1677
# version, options, length, parents
1678
('text-a', ['fulltext'], 122, []),
1679
('text-b', ['line-delta'], 84, ['text-a']),
1680
('text-c', ['fulltext'], 121, []),
1681
('text-d', ['line-delta'], 84, ['text-c']),
1682
('text-m', ['line-delta'], 84, ['text-b', 'text-d']),
1684
for version_id, parents, lines in test_data:
1685
k1.add_lines(version_id, parents, split_lines(lines))
1687
format, data_list, reader_callable = k1.get_data_stream(
1688
['text-a', 'text-b', 'text-c', 'text-d', 'text-m'])
1689
self.assertEqual('knit-plain', format)
1690
self.assertEqual(expected_data_list, data_list)
1691
for version_id, options, length, parents in expected_data_list:
1692
bytes = reader_callable(length)
1693
self.assertRecordContentEqual(k1, version_id, bytes)
1695
def assertKnitFilesEqual(self, knit1, knit2):
1696
"""Assert that the contents of the index and data files of two knits are
1700
knit1.transport.get_bytes(knit1._data._access._filename),
1701
knit2.transport.get_bytes(knit2._data._access._filename))
1703
knit1.transport.get_bytes(knit1._index._filename),
1704
knit2.transport.get_bytes(knit2._index._filename))
1706
def test_insert_data_stream_empty(self):
1707
"""Inserting a data stream with no records should not put any data into
1710
k1 = self.make_test_knit()
1711
k1.insert_data_stream(
1712
(k1.get_format_signature(), [], lambda ignored: ''))
1713
self.assertEqual('', k1.transport.get_bytes(k1._data._access._filename),
1714
"The .knit should be completely empty.")
1715
self.assertEqual(k1._index.HEADER,
1716
k1.transport.get_bytes(k1._index._filename),
1717
"The .kndx should have nothing apart from the header.")
1719
def test_insert_data_stream_one_record(self):
1720
"""Inserting a data stream with one record from a knit with one record
1721
results in byte-identical files.
1723
source = self.make_test_knit(name='source')
1724
source.add_lines('text-a', [], split_lines(TEXT_1))
1725
data_stream = source.get_data_stream(['text-a'])
1727
target = self.make_test_knit(name='target')
1728
target.insert_data_stream(data_stream)
1730
self.assertKnitFilesEqual(source, target)
1732
def test_insert_data_stream_records_already_present(self):
1733
"""Insert a data stream where some records are alreday present in the
1734
target, and some not. Only the new records are inserted.
1736
source = self.make_test_knit(name='source')
1737
target = self.make_test_knit(name='target')
1738
# Insert 'text-a' into both source and target
1739
source.add_lines('text-a', [], split_lines(TEXT_1))
1740
target.insert_data_stream(source.get_data_stream(['text-a']))
1741
# Insert 'text-b' into just the source.
1742
source.add_lines('text-b', ['text-a'], split_lines(TEXT_1))
1743
# Get a data stream of both text-a and text-b, and insert it.
1744
data_stream = source.get_data_stream(['text-a', 'text-b'])
1745
target.insert_data_stream(data_stream)
1746
# The source and target will now be identical. This means the text-a
1747
# record was not added a second time.
1748
self.assertKnitFilesEqual(source, target)
1750
def test_insert_data_stream_multiple_records(self):
1751
"""Inserting a data stream of all records from a knit with multiple
1752
records results in byte-identical files.
1754
source = self.make_test_knit(name='source')
1755
source.add_lines('text-a', [], split_lines(TEXT_1))
1756
source.add_lines('text-b', ['text-a'], split_lines(TEXT_1))
1757
source.add_lines('text-c', [], split_lines(TEXT_1))
1758
data_stream = source.get_data_stream(['text-a', 'text-b', 'text-c'])
1760
target = self.make_test_knit(name='target')
1761
target.insert_data_stream(data_stream)
1763
self.assertKnitFilesEqual(source, target)
1765
def test_insert_data_stream_ghost_parent(self):
1766
"""Insert a data stream with a record that has a ghost parent."""
1767
# Make a knit with a record, text-a, that has a ghost parent.
1768
source = self.make_test_knit(name='source')
1769
source.add_lines_with_ghosts('text-a', ['text-ghost'],
1770
split_lines(TEXT_1))
1771
data_stream = source.get_data_stream(['text-a'])
1773
target = self.make_test_knit(name='target')
1774
target.insert_data_stream(data_stream)
1776
self.assertKnitFilesEqual(source, target)
1778
# The target knit object is in a consistent state, i.e. the record we
1779
# just added is immediately visible.
1780
self.assertTrue(target.has_version('text-a'))
1781
self.assertTrue(target.has_ghost('text-ghost'))
1782
self.assertEqual(split_lines(TEXT_1), target.get_lines('text-a'))
1784
def test_insert_data_stream_inconsistent_version_lines(self):
1785
"""Inserting a data stream which has different content for a version_id
1786
than already exists in the knit will raise KnitCorrupt.
1788
source = self.make_test_knit(name='source')
1789
target = self.make_test_knit(name='target')
1790
# Insert a different 'text-a' into both source and target
1791
source.add_lines('text-a', [], split_lines(TEXT_1))
1792
target.add_lines('text-a', [], split_lines(TEXT_2))
1793
# Insert a data stream with conflicting content into the target
1794
data_stream = source.get_data_stream(['text-a'])
1796
errors.KnitCorrupt, target.insert_data_stream, data_stream)
1798
def test_insert_data_stream_inconsistent_version_parents(self):
1799
"""Inserting a data stream which has different parents for a version_id
1800
than already exists in the knit will raise KnitCorrupt.
1802
source = self.make_test_knit(name='source')
1803
target = self.make_test_knit(name='target')
1804
# Insert a different 'text-a' into both source and target. They differ
1805
# only by the parents list, the content is the same.
1806
source.add_lines_with_ghosts('text-a', [], split_lines(TEXT_1))
1807
target.add_lines_with_ghosts('text-a', ['a-ghost'], split_lines(TEXT_1))
1808
# Insert a data stream with conflicting content into the target
1809
data_stream = source.get_data_stream(['text-a'])
1811
errors.KnitCorrupt, target.insert_data_stream, data_stream)
1813
def test_insert_data_stream_incompatible_format(self):
1814
"""A data stream in a different format to the target knit cannot be
1817
It will raise KnitDataStreamIncompatible.
1819
data_stream = ('fake-format-signature', [], lambda _: '')
1820
target = self.make_test_knit(name='target')
1822
errors.KnitDataStreamIncompatible,
1823
target.insert_data_stream, data_stream)
1825
# * test that a stream of "already present version, then new version"
1826
# inserts correctly.
1829
356
Banana cup cakes:
2004
542
text = k.get_text('text-1')
2005
543
self.assertEqual(TEXT_1, text)
2006
544
self.assertEqual({}, k._data._cache)
2009
class TestKnitIndex(KnitTests):
2011
def test_add_versions_dictionary_compresses(self):
2012
"""Adding versions to the index should update the lookup dict"""
2013
knit = self.make_test_knit()
2015
idx.add_version('a-1', ['fulltext'], (None, 0, 0), [])
2016
self.check_file_contents('test.kndx',
2017
'# bzr knit index 8\n'
2019
'a-1 fulltext 0 0 :'
2021
idx.add_versions([('a-2', ['fulltext'], (None, 0, 0), ['a-1']),
2022
('a-3', ['fulltext'], (None, 0, 0), ['a-2']),
2024
self.check_file_contents('test.kndx',
2025
'# bzr knit index 8\n'
2027
'a-1 fulltext 0 0 :\n'
2028
'a-2 fulltext 0 0 0 :\n'
2029
'a-3 fulltext 0 0 1 :'
2031
self.assertEqual(['a-1', 'a-2', 'a-3'], idx._history)
2032
self.assertEqual({'a-1':('a-1', ['fulltext'], 0, 0, [], 0),
2033
'a-2':('a-2', ['fulltext'], 0, 0, ['a-1'], 1),
2034
'a-3':('a-3', ['fulltext'], 0, 0, ['a-2'], 2),
2037
def test_add_versions_fails_clean(self):
2038
"""If add_versions fails in the middle, it restores a pristine state.
2040
Any modifications that are made to the index are reset if all versions
2043
# This cheats a little bit by passing in a generator which will
2044
# raise an exception before the processing finishes
2045
# Other possibilities would be to have an version with the wrong number
2046
# of entries, or to make the backing transport unable to write any
2049
knit = self.make_test_knit()
2051
idx.add_version('a-1', ['fulltext'], (None, 0, 0), [])
2053
class StopEarly(Exception):
2056
def generate_failure():
2057
"""Add some entries and then raise an exception"""
2058
yield ('a-2', ['fulltext'], (None, 0, 0), ['a-1'])
2059
yield ('a-3', ['fulltext'], (None, 0, 0), ['a-2'])
2062
# Assert the pre-condition
2063
self.assertEqual(['a-1'], idx._history)
2064
self.assertEqual({'a-1':('a-1', ['fulltext'], 0, 0, [], 0)}, idx._cache)
2066
self.assertRaises(StopEarly, idx.add_versions, generate_failure())
2068
# And it shouldn't be modified
2069
self.assertEqual(['a-1'], idx._history)
2070
self.assertEqual({'a-1':('a-1', ['fulltext'], 0, 0, [], 0)}, idx._cache)
2072
def test_knit_index_ignores_empty_files(self):
2073
# There was a race condition in older bzr, where a ^C at the right time
2074
# could leave an empty .kndx file, which bzr would later claim was a
2075
# corrupted file since the header was not present. In reality, the file
2076
# just wasn't created, so it should be ignored.
2077
t = get_transport('.')
2078
t.put_bytes('test.kndx', '')
2080
knit = self.make_test_knit()
2082
def test_knit_index_checks_header(self):
2083
t = get_transport('.')
2084
t.put_bytes('test.kndx', '# not really a knit header\n\n')
2086
self.assertRaises(KnitHeaderError, self.make_test_knit)
2089
class TestGraphIndexKnit(KnitTests):
2090
"""Tests for knits using a GraphIndex rather than a KnitIndex."""
2092
def make_g_index(self, name, ref_lists=0, nodes=[]):
2093
builder = GraphIndexBuilder(ref_lists)
2094
for node, references, value in nodes:
2095
builder.add_node(node, references, value)
2096
stream = builder.finish()
2097
trans = self.get_transport()
2098
size = trans.put_file(name, stream)
2099
return GraphIndex(trans, name, size)
2101
def two_graph_index(self, deltas=False, catch_adds=False):
2102
"""Build a two-graph index.
2104
:param deltas: If true, use underlying indices with two node-ref
2105
lists and 'parent' set to a delta-compressed against tail.
2107
# build a complex graph across several indices.
2109
# delta compression inn the index
2110
index1 = self.make_g_index('1', 2, [
2111
(('tip', ), 'N0 100', ([('parent', )], [], )),
2112
(('tail', ), '', ([], []))])
2113
index2 = self.make_g_index('2', 2, [
2114
(('parent', ), ' 100 78', ([('tail', ), ('ghost', )], [('tail', )])),
2115
(('separate', ), '', ([], []))])
2117
# just blob location and graph in the index.
2118
index1 = self.make_g_index('1', 1, [
2119
(('tip', ), 'N0 100', ([('parent', )], )),
2120
(('tail', ), '', ([], ))])
2121
index2 = self.make_g_index('2', 1, [
2122
(('parent', ), ' 100 78', ([('tail', ), ('ghost', )], )),
2123
(('separate', ), '', ([], ))])
2124
combined_index = CombinedGraphIndex([index1, index2])
2126
self.combined_index = combined_index
2127
self.caught_entries = []
2128
add_callback = self.catch_add
2131
return KnitGraphIndex(combined_index, deltas=deltas,
2132
add_callback=add_callback)
2134
def test_get_graph(self):
2135
index = self.two_graph_index()
2136
self.assertEqual(set([
2137
('tip', ('parent', )),
2139
('parent', ('tail', 'ghost')),
2141
]), set(index.get_graph()))
2143
def test_get_ancestry(self):
2144
# get_ancestry is defined as eliding ghosts, not erroring.
2145
index = self.two_graph_index()
2146
self.assertEqual([], index.get_ancestry([]))
2147
self.assertEqual(['separate'], index.get_ancestry(['separate']))
2148
self.assertEqual(['tail'], index.get_ancestry(['tail']))
2149
self.assertEqual(['tail', 'parent'], index.get_ancestry(['parent']))
2150
self.assertEqual(['tail', 'parent', 'tip'], index.get_ancestry(['tip']))
2151
self.assertTrue(index.get_ancestry(['tip', 'separate']) in
2152
(['tail', 'parent', 'tip', 'separate'],
2153
['separate', 'tail', 'parent', 'tip'],
2155
# and without topo_sort
2156
self.assertEqual(set(['separate']),
2157
set(index.get_ancestry(['separate'], topo_sorted=False)))
2158
self.assertEqual(set(['tail']),
2159
set(index.get_ancestry(['tail'], topo_sorted=False)))
2160
self.assertEqual(set(['tail', 'parent']),
2161
set(index.get_ancestry(['parent'], topo_sorted=False)))
2162
self.assertEqual(set(['tail', 'parent', 'tip']),
2163
set(index.get_ancestry(['tip'], topo_sorted=False)))
2164
self.assertEqual(set(['separate', 'tail', 'parent', 'tip']),
2165
set(index.get_ancestry(['tip', 'separate'])))
2166
# asking for a ghost makes it go boom.
2167
self.assertRaises(errors.RevisionNotPresent, index.get_ancestry, ['ghost'])
2169
def test_get_ancestry_with_ghosts(self):
2170
index = self.two_graph_index()
2171
self.assertEqual([], index.get_ancestry_with_ghosts([]))
2172
self.assertEqual(['separate'], index.get_ancestry_with_ghosts(['separate']))
2173
self.assertEqual(['tail'], index.get_ancestry_with_ghosts(['tail']))
2174
self.assertTrue(index.get_ancestry_with_ghosts(['parent']) in
2175
(['tail', 'ghost', 'parent'],
2176
['ghost', 'tail', 'parent'],
2178
self.assertTrue(index.get_ancestry_with_ghosts(['tip']) in
2179
(['tail', 'ghost', 'parent', 'tip'],
2180
['ghost', 'tail', 'parent', 'tip'],
2182
self.assertTrue(index.get_ancestry_with_ghosts(['tip', 'separate']) in
2183
(['tail', 'ghost', 'parent', 'tip', 'separate'],
2184
['ghost', 'tail', 'parent', 'tip', 'separate'],
2185
['separate', 'tail', 'ghost', 'parent', 'tip'],
2186
['separate', 'ghost', 'tail', 'parent', 'tip'],
2188
# asking for a ghost makes it go boom.
2189
self.assertRaises(errors.RevisionNotPresent, index.get_ancestry_with_ghosts, ['ghost'])
2191
def test_num_versions(self):
2192
index = self.two_graph_index()
2193
self.assertEqual(4, index.num_versions())
2195
def test_get_versions(self):
2196
index = self.two_graph_index()
2197
self.assertEqual(set(['tail', 'tip', 'parent', 'separate']),
2198
set(index.get_versions()))
2200
def test_has_version(self):
2201
index = self.two_graph_index()
2202
self.assertTrue(index.has_version('tail'))
2203
self.assertFalse(index.has_version('ghost'))
2205
def test_get_position(self):
2206
index = self.two_graph_index()
2207
self.assertEqual((index._graph_index._indices[0], 0, 100), index.get_position('tip'))
2208
self.assertEqual((index._graph_index._indices[1], 100, 78), index.get_position('parent'))
2210
def test_get_method_deltas(self):
2211
index = self.two_graph_index(deltas=True)
2212
self.assertEqual('fulltext', index.get_method('tip'))
2213
self.assertEqual('line-delta', index.get_method('parent'))
2215
def test_get_method_no_deltas(self):
2216
# check that the parent-history lookup is ignored with deltas=False.
2217
index = self.two_graph_index(deltas=False)
2218
self.assertEqual('fulltext', index.get_method('tip'))
2219
self.assertEqual('fulltext', index.get_method('parent'))
2221
def test_get_options_deltas(self):
2222
index = self.two_graph_index(deltas=True)
2223
self.assertEqual(['fulltext', 'no-eol'], index.get_options('tip'))
2224
self.assertEqual(['line-delta'], index.get_options('parent'))
2226
def test_get_options_no_deltas(self):
2227
# check that the parent-history lookup is ignored with deltas=False.
2228
index = self.two_graph_index(deltas=False)
2229
self.assertEqual(['fulltext', 'no-eol'], index.get_options('tip'))
2230
self.assertEqual(['fulltext'], index.get_options('parent'))
2232
def test_get_parents(self):
2233
# get_parents ignores ghosts
2234
index = self.two_graph_index()
2235
self.assertEqual(('tail', ), index.get_parents('parent'))
2236
# and errors on ghosts.
2237
self.assertRaises(errors.RevisionNotPresent,
2238
index.get_parents, 'ghost')
2240
def test_get_parents_with_ghosts(self):
2241
index = self.two_graph_index()
2242
self.assertEqual(('tail', 'ghost'), index.get_parents_with_ghosts('parent'))
2243
# and errors on ghosts.
2244
self.assertRaises(errors.RevisionNotPresent,
2245
index.get_parents_with_ghosts, 'ghost')
2247
def test_check_versions_present(self):
2248
# ghosts should not be considered present
2249
index = self.two_graph_index()
2250
self.assertRaises(RevisionNotPresent, index.check_versions_present,
2252
self.assertRaises(RevisionNotPresent, index.check_versions_present,
2254
index.check_versions_present(['tail', 'separate'])
2256
def catch_add(self, entries):
2257
self.caught_entries.append(entries)
2259
def test_add_no_callback_errors(self):
2260
index = self.two_graph_index()
2261
self.assertRaises(errors.ReadOnlyError, index.add_version,
2262
'new', 'fulltext,no-eol', (None, 50, 60), ['separate'])
2264
def test_add_version_smoke(self):
2265
index = self.two_graph_index(catch_adds=True)
2266
index.add_version('new', 'fulltext,no-eol', (None, 50, 60), ['separate'])
2267
self.assertEqual([[(('new', ), 'N50 60', ((('separate',),),))]],
2268
self.caught_entries)
2270
def test_add_version_delta_not_delta_index(self):
2271
index = self.two_graph_index(catch_adds=True)
2272
self.assertRaises(errors.KnitCorrupt, index.add_version,
2273
'new', 'no-eol,line-delta', (None, 0, 100), ['parent'])
2274
self.assertEqual([], self.caught_entries)
2276
def test_add_version_same_dup(self):
2277
index = self.two_graph_index(catch_adds=True)
2278
# options can be spelt two different ways
2279
index.add_version('tip', 'fulltext,no-eol', (None, 0, 100), ['parent'])
2280
index.add_version('tip', 'no-eol,fulltext', (None, 0, 100), ['parent'])
2281
# but neither should have added data.
2282
self.assertEqual([[], []], self.caught_entries)
2284
def test_add_version_different_dup(self):
2285
index = self.two_graph_index(deltas=True, catch_adds=True)
2287
self.assertRaises(errors.KnitCorrupt, index.add_version,
2288
'tip', 'no-eol,line-delta', (None, 0, 100), ['parent'])
2289
self.assertRaises(errors.KnitCorrupt, index.add_version,
2290
'tip', 'line-delta,no-eol', (None, 0, 100), ['parent'])
2291
self.assertRaises(errors.KnitCorrupt, index.add_version,
2292
'tip', 'fulltext', (None, 0, 100), ['parent'])
2294
self.assertRaises(errors.KnitCorrupt, index.add_version,
2295
'tip', 'fulltext,no-eol', (None, 50, 100), ['parent'])
2296
self.assertRaises(errors.KnitCorrupt, index.add_version,
2297
'tip', 'fulltext,no-eol', (None, 0, 1000), ['parent'])
2299
self.assertRaises(errors.KnitCorrupt, index.add_version,
2300
'tip', 'fulltext,no-eol', (None, 0, 100), [])
2301
self.assertEqual([], self.caught_entries)
2303
def test_add_versions_nodeltas(self):
2304
index = self.two_graph_index(catch_adds=True)
2305
index.add_versions([
2306
('new', 'fulltext,no-eol', (None, 50, 60), ['separate']),
2307
('new2', 'fulltext', (None, 0, 6), ['new']),
2309
self.assertEqual([(('new', ), 'N50 60', ((('separate',),),)),
2310
(('new2', ), ' 0 6', ((('new',),),))],
2311
sorted(self.caught_entries[0]))
2312
self.assertEqual(1, len(self.caught_entries))
2314
def test_add_versions_deltas(self):
2315
index = self.two_graph_index(deltas=True, catch_adds=True)
2316
index.add_versions([
2317
('new', 'fulltext,no-eol', (None, 50, 60), ['separate']),
2318
('new2', 'line-delta', (None, 0, 6), ['new']),
2320
self.assertEqual([(('new', ), 'N50 60', ((('separate',),), ())),
2321
(('new2', ), ' 0 6', ((('new',),), (('new',),), ))],
2322
sorted(self.caught_entries[0]))
2323
self.assertEqual(1, len(self.caught_entries))
2325
def test_add_versions_delta_not_delta_index(self):
2326
index = self.two_graph_index(catch_adds=True)
2327
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2328
[('new', 'no-eol,line-delta', (None, 0, 100), ['parent'])])
2329
self.assertEqual([], self.caught_entries)
2331
def test_add_versions_random_id_accepted(self):
2332
index = self.two_graph_index(catch_adds=True)
2333
index.add_versions([], random_id=True)
2335
def test_add_versions_same_dup(self):
2336
index = self.two_graph_index(catch_adds=True)
2337
# options can be spelt two different ways
2338
index.add_versions([('tip', 'fulltext,no-eol', (None, 0, 100), ['parent'])])
2339
index.add_versions([('tip', 'no-eol,fulltext', (None, 0, 100), ['parent'])])
2340
# but neither should have added data.
2341
self.assertEqual([[], []], self.caught_entries)
2343
def test_add_versions_different_dup(self):
2344
index = self.two_graph_index(deltas=True, catch_adds=True)
2346
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2347
[('tip', 'no-eol,line-delta', (None, 0, 100), ['parent'])])
2348
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2349
[('tip', 'line-delta,no-eol', (None, 0, 100), ['parent'])])
2350
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2351
[('tip', 'fulltext', (None, 0, 100), ['parent'])])
2353
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2354
[('tip', 'fulltext,no-eol', (None, 50, 100), ['parent'])])
2355
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2356
[('tip', 'fulltext,no-eol', (None, 0, 1000), ['parent'])])
2358
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2359
[('tip', 'fulltext,no-eol', (None, 0, 100), [])])
2360
# change options in the second record
2361
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2362
[('tip', 'fulltext,no-eol', (None, 0, 100), ['parent']),
2363
('tip', 'no-eol,line-delta', (None, 0, 100), ['parent'])])
2364
self.assertEqual([], self.caught_entries)
2366
def test_iter_parents(self):
2367
index1 = self.make_g_index('1', 1, [
2369
(('r0', ), 'N0 100', ([], )),
2371
(('r1', ), '', ([('r0', )], ))])
2372
index2 = self.make_g_index('2', 1, [
2374
(('r2', ), 'N0 100', ([('r1', ), ('r0', )], )),
2376
combined_index = CombinedGraphIndex([index1, index2])
2377
index = KnitGraphIndex(combined_index)
2379
# cases: each sample data individually:
2380
self.assertEqual(set([('r0', ())]),
2381
set(index.iter_parents(['r0'])))
2382
self.assertEqual(set([('r1', ('r0', ))]),
2383
set(index.iter_parents(['r1'])))
2384
self.assertEqual(set([('r2', ('r1', 'r0'))]),
2385
set(index.iter_parents(['r2'])))
2386
# no nodes returned for a missing node
2387
self.assertEqual(set(),
2388
set(index.iter_parents(['missing'])))
2389
# 1 node returned with missing nodes skipped
2390
self.assertEqual(set([('r1', ('r0', ))]),
2391
set(index.iter_parents(['ghost1', 'r1', 'ghost'])))
2393
self.assertEqual(set([('r0', ()), ('r1', ('r0', ))]),
2394
set(index.iter_parents(['r0', 'r1'])))
2395
# 2 nodes returned, missing skipped
2396
self.assertEqual(set([('r0', ()), ('r1', ('r0', ))]),
2397
set(index.iter_parents(['a', 'r0', 'b', 'r1', 'c'])))
2400
class TestNoParentsGraphIndexKnit(KnitTests):
2401
"""Tests for knits using KnitGraphIndex with no parents."""
2403
def make_g_index(self, name, ref_lists=0, nodes=[]):
2404
builder = GraphIndexBuilder(ref_lists)
2405
for node, references in nodes:
2406
builder.add_node(node, references)
2407
stream = builder.finish()
2408
trans = self.get_transport()
2409
size = trans.put_file(name, stream)
2410
return GraphIndex(trans, name, size)
2412
def test_parents_deltas_incompatible(self):
2413
index = CombinedGraphIndex([])
2414
self.assertRaises(errors.KnitError, KnitGraphIndex, index,
2415
deltas=True, parents=False)
2417
def two_graph_index(self, catch_adds=False):
2418
"""Build a two-graph index.
2420
:param deltas: If true, use underlying indices with two node-ref
2421
lists and 'parent' set to a delta-compressed against tail.
2423
# put several versions in the index.
2424
index1 = self.make_g_index('1', 0, [
2425
(('tip', ), 'N0 100'),
2427
index2 = self.make_g_index('2', 0, [
2428
(('parent', ), ' 100 78'),
2429
(('separate', ), '')])
2430
combined_index = CombinedGraphIndex([index1, index2])
2432
self.combined_index = combined_index
2433
self.caught_entries = []
2434
add_callback = self.catch_add
2437
return KnitGraphIndex(combined_index, parents=False,
2438
add_callback=add_callback)
2440
def test_get_graph(self):
2441
index = self.two_graph_index()
2442
self.assertEqual(set([
2447
]), set(index.get_graph()))
2449
def test_get_ancestry(self):
2450
# with no parents, ancestry is always just the key.
2451
index = self.two_graph_index()
2452
self.assertEqual([], index.get_ancestry([]))
2453
self.assertEqual(['separate'], index.get_ancestry(['separate']))
2454
self.assertEqual(['tail'], index.get_ancestry(['tail']))
2455
self.assertEqual(['parent'], index.get_ancestry(['parent']))
2456
self.assertEqual(['tip'], index.get_ancestry(['tip']))
2457
self.assertTrue(index.get_ancestry(['tip', 'separate']) in
2458
(['tip', 'separate'],
2459
['separate', 'tip'],
2461
# asking for a ghost makes it go boom.
2462
self.assertRaises(errors.RevisionNotPresent, index.get_ancestry, ['ghost'])
2464
def test_get_ancestry_with_ghosts(self):
2465
index = self.two_graph_index()
2466
self.assertEqual([], index.get_ancestry_with_ghosts([]))
2467
self.assertEqual(['separate'], index.get_ancestry_with_ghosts(['separate']))
2468
self.assertEqual(['tail'], index.get_ancestry_with_ghosts(['tail']))
2469
self.assertEqual(['parent'], index.get_ancestry_with_ghosts(['parent']))
2470
self.assertEqual(['tip'], index.get_ancestry_with_ghosts(['tip']))
2471
self.assertTrue(index.get_ancestry_with_ghosts(['tip', 'separate']) in
2472
(['tip', 'separate'],
2473
['separate', 'tip'],
2475
# asking for a ghost makes it go boom.
2476
self.assertRaises(errors.RevisionNotPresent, index.get_ancestry_with_ghosts, ['ghost'])
2478
def test_num_versions(self):
2479
index = self.two_graph_index()
2480
self.assertEqual(4, index.num_versions())
2482
def test_get_versions(self):
2483
index = self.two_graph_index()
2484
self.assertEqual(set(['tail', 'tip', 'parent', 'separate']),
2485
set(index.get_versions()))
2487
def test_has_version(self):
2488
index = self.two_graph_index()
2489
self.assertTrue(index.has_version('tail'))
2490
self.assertFalse(index.has_version('ghost'))
2492
def test_get_position(self):
2493
index = self.two_graph_index()
2494
self.assertEqual((index._graph_index._indices[0], 0, 100), index.get_position('tip'))
2495
self.assertEqual((index._graph_index._indices[1], 100, 78), index.get_position('parent'))
2497
def test_get_method(self):
2498
index = self.two_graph_index()
2499
self.assertEqual('fulltext', index.get_method('tip'))
2500
self.assertEqual(['fulltext'], index.get_options('parent'))
2502
def test_get_options(self):
2503
index = self.two_graph_index()
2504
self.assertEqual(['fulltext', 'no-eol'], index.get_options('tip'))
2505
self.assertEqual(['fulltext'], index.get_options('parent'))
2507
def test_get_parents(self):
2508
index = self.two_graph_index()
2509
self.assertEqual((), index.get_parents('parent'))
2510
# and errors on ghosts.
2511
self.assertRaises(errors.RevisionNotPresent,
2512
index.get_parents, 'ghost')
2514
def test_get_parents_with_ghosts(self):
2515
index = self.two_graph_index()
2516
self.assertEqual((), index.get_parents_with_ghosts('parent'))
2517
# and errors on ghosts.
2518
self.assertRaises(errors.RevisionNotPresent,
2519
index.get_parents_with_ghosts, 'ghost')
2521
def test_check_versions_present(self):
2522
index = self.two_graph_index()
2523
self.assertRaises(RevisionNotPresent, index.check_versions_present,
2525
self.assertRaises(RevisionNotPresent, index.check_versions_present,
2526
['tail', 'missing'])
2527
index.check_versions_present(['tail', 'separate'])
2529
def catch_add(self, entries):
2530
self.caught_entries.append(entries)
2532
def test_add_no_callback_errors(self):
2533
index = self.two_graph_index()
2534
self.assertRaises(errors.ReadOnlyError, index.add_version,
2535
'new', 'fulltext,no-eol', (None, 50, 60), ['separate'])
2537
def test_add_version_smoke(self):
2538
index = self.two_graph_index(catch_adds=True)
2539
index.add_version('new', 'fulltext,no-eol', (None, 50, 60), [])
2540
self.assertEqual([[(('new', ), 'N50 60')]],
2541
self.caught_entries)
2543
def test_add_version_delta_not_delta_index(self):
2544
index = self.two_graph_index(catch_adds=True)
2545
self.assertRaises(errors.KnitCorrupt, index.add_version,
2546
'new', 'no-eol,line-delta', (None, 0, 100), [])
2547
self.assertEqual([], self.caught_entries)
2549
def test_add_version_same_dup(self):
2550
index = self.two_graph_index(catch_adds=True)
2551
# options can be spelt two different ways
2552
index.add_version('tip', 'fulltext,no-eol', (None, 0, 100), [])
2553
index.add_version('tip', 'no-eol,fulltext', (None, 0, 100), [])
2554
# but neither should have added data.
2555
self.assertEqual([[], []], self.caught_entries)
2557
def test_add_version_different_dup(self):
2558
index = self.two_graph_index(catch_adds=True)
2560
self.assertRaises(errors.KnitCorrupt, index.add_version,
2561
'tip', 'no-eol,line-delta', (None, 0, 100), [])
2562
self.assertRaises(errors.KnitCorrupt, index.add_version,
2563
'tip', 'line-delta,no-eol', (None, 0, 100), [])
2564
self.assertRaises(errors.KnitCorrupt, index.add_version,
2565
'tip', 'fulltext', (None, 0, 100), [])
2567
self.assertRaises(errors.KnitCorrupt, index.add_version,
2568
'tip', 'fulltext,no-eol', (None, 50, 100), [])
2569
self.assertRaises(errors.KnitCorrupt, index.add_version,
2570
'tip', 'fulltext,no-eol', (None, 0, 1000), [])
2572
self.assertRaises(errors.KnitCorrupt, index.add_version,
2573
'tip', 'fulltext,no-eol', (None, 0, 100), ['parent'])
2574
self.assertEqual([], self.caught_entries)
2576
def test_add_versions(self):
2577
index = self.two_graph_index(catch_adds=True)
2578
index.add_versions([
2579
('new', 'fulltext,no-eol', (None, 50, 60), []),
2580
('new2', 'fulltext', (None, 0, 6), []),
2582
self.assertEqual([(('new', ), 'N50 60'), (('new2', ), ' 0 6')],
2583
sorted(self.caught_entries[0]))
2584
self.assertEqual(1, len(self.caught_entries))
2586
def test_add_versions_delta_not_delta_index(self):
2587
index = self.two_graph_index(catch_adds=True)
2588
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2589
[('new', 'no-eol,line-delta', (None, 0, 100), ['parent'])])
2590
self.assertEqual([], self.caught_entries)
2592
def test_add_versions_parents_not_parents_index(self):
2593
index = self.two_graph_index(catch_adds=True)
2594
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2595
[('new', 'no-eol,fulltext', (None, 0, 100), ['parent'])])
2596
self.assertEqual([], self.caught_entries)
2598
def test_add_versions_random_id_accepted(self):
2599
index = self.two_graph_index(catch_adds=True)
2600
index.add_versions([], random_id=True)
2602
def test_add_versions_same_dup(self):
2603
index = self.two_graph_index(catch_adds=True)
2604
# options can be spelt two different ways
2605
index.add_versions([('tip', 'fulltext,no-eol', (None, 0, 100), [])])
2606
index.add_versions([('tip', 'no-eol,fulltext', (None, 0, 100), [])])
2607
# but neither should have added data.
2608
self.assertEqual([[], []], self.caught_entries)
2610
def test_add_versions_different_dup(self):
2611
index = self.two_graph_index(catch_adds=True)
2613
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2614
[('tip', 'no-eol,line-delta', (None, 0, 100), [])])
2615
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2616
[('tip', 'line-delta,no-eol', (None, 0, 100), [])])
2617
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2618
[('tip', 'fulltext', (None, 0, 100), [])])
2620
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2621
[('tip', 'fulltext,no-eol', (None, 50, 100), [])])
2622
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2623
[('tip', 'fulltext,no-eol', (None, 0, 1000), [])])
2625
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2626
[('tip', 'fulltext,no-eol', (None, 0, 100), ['parent'])])
2627
# change options in the second record
2628
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2629
[('tip', 'fulltext,no-eol', (None, 0, 100), []),
2630
('tip', 'no-eol,line-delta', (None, 0, 100), [])])
2631
self.assertEqual([], self.caught_entries)
2633
def test_iter_parents(self):
2634
index = self.two_graph_index()
2635
self.assertEqual(set([
2636
('tip', ()), ('tail', ()), ('parent', ()), ('separate', ())
2638
set(index.iter_parents(['tip', 'tail', 'ghost', 'parent', 'separate'])))
2639
self.assertEqual(set([('tip', ())]),
2640
set(index.iter_parents(['tip'])))
2641
self.assertEqual(set(),
2642
set(index.iter_parents([])))
added
removed
bzrlib/tests/test_knit.py
