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# Copyright (C) 2005, 2009 Canonical Ltd
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# Johan Rydberg <jrydberg@gnu.org>
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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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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# TODO: might be nice to create a versionedfile with some type of corruption
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# considered typical and check that it can be detected/corrected.
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from itertools import chain, izip
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from StringIO import StringIO
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from bzrlib.errors import (
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RevisionAlreadyPresent,
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from bzrlib.knit import (
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from bzrlib.tests import (
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TestCaseWithMemoryTransport,
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split_suite_by_condition,
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from bzrlib.tests.http_utils import TestCaseWithWebserver
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from bzrlib.trace import mutter
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from bzrlib.transport import get_transport
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from bzrlib.transport.memory import MemoryTransport
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from bzrlib.tsort import topo_sort
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from bzrlib.tuned_gzip import GzipFile
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import bzrlib.versionedfile as versionedfile
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from bzrlib.versionedfile import (
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HashEscapedPrefixMapper,
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VirtualVersionedFiles,
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make_versioned_files_factory,
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from bzrlib.weave import WeaveFile
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from bzrlib.weavefile import read_weave, write_weave
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def load_tests(standard_tests, module, loader):
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"""Parameterize VersionedFiles tests for different implementations."""
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to_adapt, result = split_suite_by_condition(
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standard_tests, condition_isinstance(TestVersionedFiles))
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# We want to be sure of behaviour for:
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# weaves prefix layout (weave texts)
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# individually named weaves (weave inventories)
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# annotated knits - prefix|hash|hash-escape layout, we test the third only
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# as it is the most complex mapper.
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# individually named knits
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# individual no-graph knits in packs (signatures)
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# individual graph knits in packs (inventories)
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# individual graph nocompression knits in packs (revisions)
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# plain text knits in packs (texts)
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'factory':make_versioned_files_factory(WeaveFile,
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ConstantMapper('inventory')),
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'support_partial_insertion': False,
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'factory':make_file_factory(False, ConstantMapper('revisions')),
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'support_partial_insertion': False,
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('named-nograph-nodelta-knit-pack', {
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'cleanup':cleanup_pack_knit,
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'factory':make_pack_factory(False, False, 1),
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'support_partial_insertion': False,
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('named-graph-knit-pack', {
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'cleanup':cleanup_pack_knit,
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'factory':make_pack_factory(True, True, 1),
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'support_partial_insertion': True,
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('named-graph-nodelta-knit-pack', {
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'cleanup':cleanup_pack_knit,
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'factory':make_pack_factory(True, False, 1),
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'support_partial_insertion': False,
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('groupcompress-nograph', {
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'cleanup':groupcompress.cleanup_pack_group,
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'factory':groupcompress.make_pack_factory(False, False, 1),
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'support_partial_insertion':False,
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len_two_scenarios = [
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'factory':make_versioned_files_factory(WeaveFile,
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'support_partial_insertion': False,
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('annotated-knit-escape', {
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'factory':make_file_factory(True, HashEscapedPrefixMapper()),
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'support_partial_insertion': False,
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('plain-knit-pack', {
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'cleanup':cleanup_pack_knit,
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'factory':make_pack_factory(True, True, 2),
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'support_partial_insertion': True,
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'cleanup':groupcompress.cleanup_pack_group,
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'factory':groupcompress.make_pack_factory(True, False, 1),
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'support_partial_insertion':False,
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scenarios = len_one_scenarios + len_two_scenarios
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return multiply_tests(to_adapt, scenarios, result)
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def get_diamond_vf(f, trailing_eol=True, left_only=False):
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"""Get a diamond graph to exercise deltas and merges.
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:param trailing_eol: If True end the last line with \n.
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'base': (('origin',),),
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'left': (('base',),),
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'right': (('base',),),
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'merged': (('left',), ('right',)),
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# insert a diamond graph to exercise deltas and merges.
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f.add_lines('origin', [], ['origin' + last_char])
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f.add_lines('base', ['origin'], ['base' + last_char])
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f.add_lines('left', ['base'], ['base\n', 'left' + last_char])
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f.add_lines('right', ['base'],
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['base\n', 'right' + last_char])
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f.add_lines('merged', ['left', 'right'],
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['base\n', 'left\n', 'right\n', 'merged' + last_char])
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def get_diamond_files(files, key_length, trailing_eol=True, left_only=False,
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nograph=False, nokeys=False):
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"""Get a diamond graph to exercise deltas and merges.
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This creates a 5-node graph in files. If files supports 2-length keys two
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graphs are made to exercise the support for multiple ids.
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:param trailing_eol: If True end the last line with \n.
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:param key_length: The length of keys in files. Currently supports length 1
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:param left_only: If True do not add the right and merged nodes.
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:param nograph: If True, do not provide parents to the add_lines calls;
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this is useful for tests that need inserted data but have graphless
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:param nokeys: If True, pass None is as the key for all insertions.
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Currently implies nograph.
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:return: The results of the add_lines calls.
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prefixes = [('FileA',), ('FileB',)]
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# insert a diamond graph to exercise deltas and merges.
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def get_parents(suffix_list):
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result = [prefix + suffix for suffix in suffix_list]
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# we loop over each key because that spreads the inserts across prefixes,
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# which is how commit operates.
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for prefix in prefixes:
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result.append(files.add_lines(prefix + get_key('origin'), (),
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['origin' + last_char]))
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for prefix in prefixes:
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result.append(files.add_lines(prefix + get_key('base'),
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get_parents([('origin',)]), ['base' + last_char]))
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for prefix in prefixes:
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result.append(files.add_lines(prefix + get_key('left'),
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get_parents([('base',)]),
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['base\n', 'left' + last_char]))
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for prefix in prefixes:
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result.append(files.add_lines(prefix + get_key('right'),
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get_parents([('base',)]),
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['base\n', 'right' + last_char]))
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for prefix in prefixes:
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result.append(files.add_lines(prefix + get_key('merged'),
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get_parents([('left',), ('right',)]),
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['base\n', 'left\n', 'right\n', 'merged' + last_char]))
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class VersionedFileTestMixIn(object):
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"""A mixin test class for testing VersionedFiles.
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This is not an adaptor-style test at this point because
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theres no dynamic substitution of versioned file implementations,
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they are strictly controlled by their owning repositories.
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def get_transaction(self):
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if not hasattr(self, '_transaction'):
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self._transaction = None
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return self._transaction
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f.add_lines('r0', [], ['a\n', 'b\n'])
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f.add_lines('r1', ['r0'], ['b\n', 'c\n'])
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versions = f.versions()
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self.assertTrue('r0' in versions)
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self.assertTrue('r1' in versions)
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self.assertEquals(f.get_lines('r0'), ['a\n', 'b\n'])
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self.assertEquals(f.get_text('r0'), 'a\nb\n')
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self.assertEquals(f.get_lines('r1'), ['b\n', 'c\n'])
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self.assertEqual(2, len(f))
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self.assertEqual(2, f.num_versions())
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self.assertRaises(RevisionNotPresent,
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f.add_lines, 'r2', ['foo'], [])
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self.assertRaises(RevisionAlreadyPresent,
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f.add_lines, 'r1', [], [])
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# this checks that reopen with create=True does not break anything.
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f = self.reopen_file(create=True)
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def test_adds_with_parent_texts(self):
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_, _, parent_texts['r0'] = f.add_lines('r0', [], ['a\n', 'b\n'])
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_, _, parent_texts['r1'] = f.add_lines_with_ghosts('r1',
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['r0', 'ghost'], ['b\n', 'c\n'], parent_texts=parent_texts)
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except NotImplementedError:
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# if the format doesn't support ghosts, just add normally.
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_, _, parent_texts['r1'] = f.add_lines('r1',
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['r0'], ['b\n', 'c\n'], parent_texts=parent_texts)
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f.add_lines('r2', ['r1'], ['c\n', 'd\n'], parent_texts=parent_texts)
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self.assertNotEqual(None, parent_texts['r0'])
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self.assertNotEqual(None, parent_texts['r1'])
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versions = f.versions()
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self.assertTrue('r0' in versions)
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self.assertTrue('r1' in versions)
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self.assertTrue('r2' in versions)
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self.assertEquals(f.get_lines('r0'), ['a\n', 'b\n'])
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self.assertEquals(f.get_lines('r1'), ['b\n', 'c\n'])
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self.assertEquals(f.get_lines('r2'), ['c\n', 'd\n'])
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self.assertEqual(3, f.num_versions())
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origins = f.annotate('r1')
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self.assertEquals(origins[0][0], 'r0')
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self.assertEquals(origins[1][0], 'r1')
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origins = f.annotate('r2')
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self.assertEquals(origins[0][0], 'r1')
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self.assertEquals(origins[1][0], 'r2')
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f = self.reopen_file()
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def test_add_unicode_content(self):
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# unicode content is not permitted in versioned files.
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# versioned files version sequences of bytes only.
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self.assertRaises(errors.BzrBadParameterUnicode,
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vf.add_lines, 'a', [], ['a\n', u'b\n', 'c\n'])
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(errors.BzrBadParameterUnicode, NotImplementedError),
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vf.add_lines_with_ghosts, 'a', [], ['a\n', u'b\n', 'c\n'])
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def test_add_follows_left_matching_blocks(self):
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"""If we change left_matching_blocks, delta changes
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Note: There are multiple correct deltas in this case, because
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we start with 1 "a" and we get 3.
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if isinstance(vf, WeaveFile):
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raise TestSkipped("WeaveFile ignores left_matching_blocks")
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vf.add_lines('1', [], ['a\n'])
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vf.add_lines('2', ['1'], ['a\n', 'a\n', 'a\n'],
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left_matching_blocks=[(0, 0, 1), (1, 3, 0)])
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self.assertEqual(['a\n', 'a\n', 'a\n'], vf.get_lines('2'))
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vf.add_lines('3', ['1'], ['a\n', 'a\n', 'a\n'],
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left_matching_blocks=[(0, 2, 1), (1, 3, 0)])
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self.assertEqual(['a\n', 'a\n', 'a\n'], vf.get_lines('3'))
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def test_inline_newline_throws(self):
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# \r characters are not permitted in lines being added
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self.assertRaises(errors.BzrBadParameterContainsNewline,
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vf.add_lines, 'a', [], ['a\n\n'])
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(errors.BzrBadParameterContainsNewline, NotImplementedError),
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vf.add_lines_with_ghosts, 'a', [], ['a\n\n'])
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# but inline CR's are allowed
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vf.add_lines('a', [], ['a\r\n'])
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vf.add_lines_with_ghosts('b', [], ['a\r\n'])
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except NotImplementedError:
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def test_add_reserved(self):
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self.assertRaises(errors.ReservedId,
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vf.add_lines, 'a:', [], ['a\n', 'b\n', 'c\n'])
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def test_add_lines_nostoresha(self):
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"""When nostore_sha is supplied using old content raises."""
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empty_text = ('a', [])
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sample_text_nl = ('b', ["foo\n", "bar\n"])
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sample_text_no_nl = ('c', ["foo\n", "bar"])
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for version, lines in (empty_text, sample_text_nl, sample_text_no_nl):
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sha, _, _ = vf.add_lines(version, [], lines)
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# we now have a copy of all the lines in the vf.
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for sha, (version, lines) in zip(
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shas, (empty_text, sample_text_nl, sample_text_no_nl)):
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self.assertRaises(errors.ExistingContent,
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vf.add_lines, version + "2", [], lines,
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# and no new version should have been added.
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self.assertRaises(errors.RevisionNotPresent, vf.get_lines,
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def test_add_lines_with_ghosts_nostoresha(self):
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"""When nostore_sha is supplied using old content raises."""
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empty_text = ('a', [])
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sample_text_nl = ('b', ["foo\n", "bar\n"])
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sample_text_no_nl = ('c', ["foo\n", "bar"])
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for version, lines in (empty_text, sample_text_nl, sample_text_no_nl):
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sha, _, _ = vf.add_lines(version, [], lines)
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# we now have a copy of all the lines in the vf.
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# is the test applicable to this vf implementation?
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vf.add_lines_with_ghosts('d', [], [])
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except NotImplementedError:
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raise TestSkipped("add_lines_with_ghosts is optional")
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for sha, (version, lines) in zip(
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shas, (empty_text, sample_text_nl, sample_text_no_nl)):
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self.assertRaises(errors.ExistingContent,
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vf.add_lines_with_ghosts, version + "2", [], lines,
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# and no new version should have been added.
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self.assertRaises(errors.RevisionNotPresent, vf.get_lines,
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def test_add_lines_return_value(self):
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# add_lines should return the sha1 and the text size.
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empty_text = ('a', [])
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sample_text_nl = ('b', ["foo\n", "bar\n"])
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sample_text_no_nl = ('c', ["foo\n", "bar"])
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# check results for the three cases:
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for version, lines in (empty_text, sample_text_nl, sample_text_no_nl):
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# the first two elements are the same for all versioned files:
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# - the digest and the size of the text. For some versioned files
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# additional data is returned in additional tuple elements.
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result = vf.add_lines(version, [], lines)
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self.assertEqual(3, len(result))
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self.assertEqual((osutils.sha_strings(lines), sum(map(len, lines))),
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# parents should not affect the result:
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lines = sample_text_nl[1]
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self.assertEqual((osutils.sha_strings(lines), sum(map(len, lines))),
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vf.add_lines('d', ['b', 'c'], lines)[0:2])
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def test_get_reserved(self):
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self.assertRaises(errors.ReservedId, vf.get_texts, ['b:'])
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self.assertRaises(errors.ReservedId, vf.get_lines, 'b:')
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self.assertRaises(errors.ReservedId, vf.get_text, 'b:')
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def test_add_unchanged_last_line_noeol_snapshot(self):
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"""Add a text with an unchanged last line with no eol should work."""
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# Test adding this in a number of chain lengths; because the interface
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# for VersionedFile does not allow forcing a specific chain length, we
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# just use a small base to get the first snapshot, then a much longer
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# first line for the next add (which will make the third add snapshot)
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# and so on. 20 has been chosen as an aribtrary figure - knits use 200
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# as a capped delta length, but ideally we would have some way of
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# tuning the test to the store (e.g. keep going until a snapshot
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for length in range(20):
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vf = self.get_file('case-%d' % length)
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for step in range(length):
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version = prefix % step
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lines = (['prelude \n'] * step) + ['line']
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vf.add_lines(version, parents, lines)
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version_lines[version] = lines
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vf.add_lines('no-eol', parents, ['line'])
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vf.get_texts(version_lines.keys())
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self.assertEqualDiff('line', vf.get_text('no-eol'))
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def test_get_texts_eol_variation(self):
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# similar to the failure in <http://bugs.launchpad.net/234748>
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sample_text_nl = ["line\n"]
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sample_text_no_nl = ["line"]
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lines = sample_text_nl
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lines = sample_text_no_nl
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# left_matching blocks is an internal api; it operates on the
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# *internal* representation for a knit, which is with *all* lines
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# being normalised to end with \n - even the final line in a no_nl
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# file. Using it here ensures that a broken internal implementation
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# (which is what this test tests) will generate a correct line
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# delta (which is to say, an empty delta).
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vf.add_lines(version, parents, lines,
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left_matching_blocks=[(0, 0, 1)])
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versions.append(version)
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version_lines[version] = lines
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vf.get_texts(versions)
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vf.get_texts(reversed(versions))
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def test_add_lines_with_matching_blocks_noeol_last_line(self):
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"""Add a text with an unchanged last line with no eol should work."""
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from bzrlib import multiparent
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# Hand verified sha1 of the text we're adding.
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sha1 = '6a1d115ec7b60afb664dc14890b5af5ce3c827a4'
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# Create a mpdiff which adds a new line before the trailing line, and
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# reuse the last line unaltered (which can cause annotation reuse).
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# Test adding this in two situations:
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# On top of a new insertion
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vf = self.get_file('fulltext')
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vf.add_lines('noeol', [], ['line'])
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vf.add_lines('noeol2', ['noeol'], ['newline\n', 'line'],
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left_matching_blocks=[(0, 1, 1)])
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self.assertEqualDiff('newline\nline', vf.get_text('noeol2'))
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vf = self.get_file('delta')
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vf.add_lines('base', [], ['line'])
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vf.add_lines('noeol', ['base'], ['prelude\n', 'line'])
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vf.add_lines('noeol2', ['noeol'], ['newline\n', 'line'],
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left_matching_blocks=[(1, 1, 1)])
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self.assertEqualDiff('newline\nline', vf.get_text('noeol2'))
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def test_make_mpdiffs(self):
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from bzrlib import multiparent
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vf = self.get_file('foo')
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sha1s = self._setup_for_deltas(vf)
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new_vf = self.get_file('bar')
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for version in multiparent.topo_iter(vf):
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mpdiff = vf.make_mpdiffs([version])[0]
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new_vf.add_mpdiffs([(version, vf.get_parent_map([version])[version],
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vf.get_sha1s([version])[version], mpdiff)])
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self.assertEqualDiff(vf.get_text(version),
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new_vf.get_text(version))
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def test_make_mpdiffs_with_ghosts(self):
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vf = self.get_file('foo')
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vf.add_lines_with_ghosts('text', ['ghost'], ['line\n'])
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except NotImplementedError:
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# old Weave formats do not allow ghosts
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self.assertRaises(errors.RevisionNotPresent, vf.make_mpdiffs, ['ghost'])
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def _setup_for_deltas(self, f):
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self.assertFalse(f.has_version('base'))
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# add texts that should trip the knit maximum delta chain threshold
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# as well as doing parallel chains of data in knits.
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# this is done by two chains of 25 insertions
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f.add_lines('base', [], ['line\n'])
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f.add_lines('noeol', ['base'], ['line'])
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# detailed eol tests:
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# shared last line with parent no-eol
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f.add_lines('noeolsecond', ['noeol'], ['line\n', 'line'])
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# differing last line with parent, both no-eol
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f.add_lines('noeolnotshared', ['noeolsecond'], ['line\n', 'phone'])
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# add eol following a noneol parent, change content
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f.add_lines('eol', ['noeol'], ['phone\n'])
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# add eol following a noneol parent, no change content
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f.add_lines('eolline', ['noeol'], ['line\n'])
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# noeol with no parents:
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f.add_lines('noeolbase', [], ['line'])
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# noeol preceeding its leftmost parent in the output:
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# this is done by making it a merge of two parents with no common
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# anestry: noeolbase and noeol with the
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# later-inserted parent the leftmost.
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f.add_lines('eolbeforefirstparent', ['noeolbase', 'noeol'], ['line'])
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# two identical eol texts
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f.add_lines('noeoldup', ['noeol'], ['line'])
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text_name = 'chain1-'
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sha1s = {0 :'da6d3141cb4a5e6f464bf6e0518042ddc7bfd079',
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1 :'45e21ea146a81ea44a821737acdb4f9791c8abe7',
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2 :'e1f11570edf3e2a070052366c582837a4fe4e9fa',
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3 :'26b4b8626da827088c514b8f9bbe4ebf181edda1',
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4 :'e28a5510be25ba84d31121cff00956f9970ae6f6',
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5 :'d63ec0ce22e11dcf65a931b69255d3ac747a318d',
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6 :'2c2888d288cb5e1d98009d822fedfe6019c6a4ea',
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7 :'95c14da9cafbf828e3e74a6f016d87926ba234ab',
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8 :'779e9a0b28f9f832528d4b21e17e168c67697272',
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9 :'1f8ff4e5c6ff78ac106fcfe6b1e8cb8740ff9a8f',
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10:'131a2ae712cf51ed62f143e3fbac3d4206c25a05',
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11:'c5a9d6f520d2515e1ec401a8f8a67e6c3c89f199',
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12:'31a2286267f24d8bedaa43355f8ad7129509ea85',
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13:'dc2a7fe80e8ec5cae920973973a8ee28b2da5e0a',
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14:'2c4b1736566b8ca6051e668de68650686a3922f2',
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15:'5912e4ecd9b0c07be4d013e7e2bdcf9323276cde',
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16:'b0d2e18d3559a00580f6b49804c23fea500feab3',
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17:'8e1d43ad72f7562d7cb8f57ee584e20eb1a69fc7',
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18:'5cf64a3459ae28efa60239e44b20312d25b253f3',
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19:'1ebed371807ba5935958ad0884595126e8c4e823',
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20:'2aa62a8b06fb3b3b892a3292a068ade69d5ee0d3',
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21:'01edc447978004f6e4e962b417a4ae1955b6fe5d',
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22:'d8d8dc49c4bf0bab401e0298bb5ad827768618bb',
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23:'c21f62b1c482862983a8ffb2b0c64b3451876e3f',
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24:'c0593fe795e00dff6b3c0fe857a074364d5f04fc',
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25:'dd1a1cf2ba9cc225c3aff729953e6364bf1d1855',
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for depth in range(26):
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new_version = text_name + '%s' % depth
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text = text + ['line\n']
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f.add_lines(new_version, [next_parent], text)
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next_parent = new_version
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text_name = 'chain2-'
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for depth in range(26):
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new_version = text_name + '%s' % depth
612
text = text + ['line\n']
613
f.add_lines(new_version, [next_parent], text)
614
next_parent = new_version
617
def test_ancestry(self):
619
self.assertEqual([], f.get_ancestry([]))
620
f.add_lines('r0', [], ['a\n', 'b\n'])
621
f.add_lines('r1', ['r0'], ['b\n', 'c\n'])
622
f.add_lines('r2', ['r0'], ['b\n', 'c\n'])
623
f.add_lines('r3', ['r2'], ['b\n', 'c\n'])
624
f.add_lines('rM', ['r1', 'r2'], ['b\n', 'c\n'])
625
self.assertEqual([], f.get_ancestry([]))
626
versions = f.get_ancestry(['rM'])
627
# there are some possibilities:
631
# so we check indexes
632
r0 = versions.index('r0')
633
r1 = versions.index('r1')
634
r2 = versions.index('r2')
635
self.assertFalse('r3' in versions)
636
rM = versions.index('rM')
637
self.assertTrue(r0 < r1)
638
self.assertTrue(r0 < r2)
639
self.assertTrue(r1 < rM)
640
self.assertTrue(r2 < rM)
642
self.assertRaises(RevisionNotPresent,
643
f.get_ancestry, ['rM', 'rX'])
645
self.assertEqual(set(f.get_ancestry('rM')),
646
set(f.get_ancestry('rM', topo_sorted=False)))
648
def test_mutate_after_finish(self):
649
self._transaction = 'before'
651
self._transaction = 'after'
652
self.assertRaises(errors.OutSideTransaction, f.add_lines, '', [], [])
653
self.assertRaises(errors.OutSideTransaction, f.add_lines_with_ghosts, '', [], [])
655
def test_copy_to(self):
657
f.add_lines('0', [], ['a\n'])
658
t = MemoryTransport()
660
for suffix in self.get_factory().get_suffixes():
661
self.assertTrue(t.has('foo' + suffix))
663
def test_get_suffixes(self):
665
# and should be a list
666
self.assertTrue(isinstance(self.get_factory().get_suffixes(), list))
668
def test_get_parent_map(self):
670
f.add_lines('r0', [], ['a\n', 'b\n'])
672
{'r0':()}, f.get_parent_map(['r0']))
673
f.add_lines('r1', ['r0'], ['a\n', 'b\n'])
675
{'r1':('r0',)}, f.get_parent_map(['r1']))
679
f.get_parent_map(['r0', 'r1']))
680
f.add_lines('r2', [], ['a\n', 'b\n'])
681
f.add_lines('r3', [], ['a\n', 'b\n'])
682
f.add_lines('m', ['r0', 'r1', 'r2', 'r3'], ['a\n', 'b\n'])
684
{'m':('r0', 'r1', 'r2', 'r3')}, f.get_parent_map(['m']))
685
self.assertEqual({}, f.get_parent_map('y'))
689
f.get_parent_map(['r0', 'y', 'r1']))
691
def test_annotate(self):
693
f.add_lines('r0', [], ['a\n', 'b\n'])
694
f.add_lines('r1', ['r0'], ['c\n', 'b\n'])
695
origins = f.annotate('r1')
696
self.assertEquals(origins[0][0], 'r1')
697
self.assertEquals(origins[1][0], 'r0')
699
self.assertRaises(RevisionNotPresent,
702
def test_detection(self):
703
# Test weaves detect corruption.
705
# Weaves contain a checksum of their texts.
706
# When a text is extracted, this checksum should be
709
w = self.get_file_corrupted_text()
711
self.assertEqual('hello\n', w.get_text('v1'))
712
self.assertRaises(errors.WeaveInvalidChecksum, w.get_text, 'v2')
713
self.assertRaises(errors.WeaveInvalidChecksum, w.get_lines, 'v2')
714
self.assertRaises(errors.WeaveInvalidChecksum, w.check)
716
w = self.get_file_corrupted_checksum()
718
self.assertEqual('hello\n', w.get_text('v1'))
719
self.assertRaises(errors.WeaveInvalidChecksum, w.get_text, 'v2')
720
self.assertRaises(errors.WeaveInvalidChecksum, w.get_lines, 'v2')
721
self.assertRaises(errors.WeaveInvalidChecksum, w.check)
723
def get_file_corrupted_text(self):
724
"""Return a versioned file with corrupt text but valid metadata."""
725
raise NotImplementedError(self.get_file_corrupted_text)
727
def reopen_file(self, name='foo'):
728
"""Open the versioned file from disk again."""
729
raise NotImplementedError(self.reopen_file)
731
def test_iter_lines_added_or_present_in_versions(self):
732
# test that we get at least an equalset of the lines added by
733
# versions in the weave
734
# the ordering here is to make a tree so that dumb searches have
735
# more changes to muck up.
737
class InstrumentedProgress(progress.DummyProgress):
741
progress.DummyProgress.__init__(self)
744
def update(self, msg=None, current=None, total=None):
745
self.updates.append((msg, current, total))
748
# add a base to get included
749
vf.add_lines('base', [], ['base\n'])
750
# add a ancestor to be included on one side
751
vf.add_lines('lancestor', [], ['lancestor\n'])
752
# add a ancestor to be included on the other side
753
vf.add_lines('rancestor', ['base'], ['rancestor\n'])
754
# add a child of rancestor with no eofile-nl
755
vf.add_lines('child', ['rancestor'], ['base\n', 'child\n'])
756
# add a child of lancestor and base to join the two roots
757
vf.add_lines('otherchild',
758
['lancestor', 'base'],
759
['base\n', 'lancestor\n', 'otherchild\n'])
760
def iter_with_versions(versions, expected):
761
# now we need to see what lines are returned, and how often.
763
progress = InstrumentedProgress()
764
# iterate over the lines
765
for line in vf.iter_lines_added_or_present_in_versions(versions,
767
lines.setdefault(line, 0)
769
if []!= progress.updates:
770
self.assertEqual(expected, progress.updates)
772
lines = iter_with_versions(['child', 'otherchild'],
773
[('Walking content', 0, 2),
774
('Walking content', 1, 2),
775
('Walking content', 2, 2)])
776
# we must see child and otherchild
777
self.assertTrue(lines[('child\n', 'child')] > 0)
778
self.assertTrue(lines[('otherchild\n', 'otherchild')] > 0)
779
# we dont care if we got more than that.
782
lines = iter_with_versions(None, [('Walking content', 0, 5),
783
('Walking content', 1, 5),
784
('Walking content', 2, 5),
785
('Walking content', 3, 5),
786
('Walking content', 4, 5),
787
('Walking content', 5, 5)])
788
# all lines must be seen at least once
789
self.assertTrue(lines[('base\n', 'base')] > 0)
790
self.assertTrue(lines[('lancestor\n', 'lancestor')] > 0)
791
self.assertTrue(lines[('rancestor\n', 'rancestor')] > 0)
792
self.assertTrue(lines[('child\n', 'child')] > 0)
793
self.assertTrue(lines[('otherchild\n', 'otherchild')] > 0)
795
def test_add_lines_with_ghosts(self):
796
# some versioned file formats allow lines to be added with parent
797
# information that is > than that in the format. Formats that do
798
# not support this need to raise NotImplementedError on the
799
# add_lines_with_ghosts api.
801
# add a revision with ghost parents
802
# The preferred form is utf8, but we should translate when needed
803
parent_id_unicode = u'b\xbfse'
804
parent_id_utf8 = parent_id_unicode.encode('utf8')
806
vf.add_lines_with_ghosts('notbxbfse', [parent_id_utf8], [])
807
except NotImplementedError:
808
# check the other ghost apis are also not implemented
809
self.assertRaises(NotImplementedError, vf.get_ancestry_with_ghosts, ['foo'])
810
self.assertRaises(NotImplementedError, vf.get_parents_with_ghosts, 'foo')
812
vf = self.reopen_file()
813
# test key graph related apis: getncestry, _graph, get_parents
815
# - these are ghost unaware and must not be reflect ghosts
816
self.assertEqual(['notbxbfse'], vf.get_ancestry('notbxbfse'))
817
self.assertFalse(vf.has_version(parent_id_utf8))
818
# we have _with_ghost apis to give us ghost information.
819
self.assertEqual([parent_id_utf8, 'notbxbfse'], vf.get_ancestry_with_ghosts(['notbxbfse']))
820
self.assertEqual([parent_id_utf8], vf.get_parents_with_ghosts('notbxbfse'))
821
# if we add something that is a ghost of another, it should correct the
822
# results of the prior apis
823
vf.add_lines(parent_id_utf8, [], [])
824
self.assertEqual([parent_id_utf8, 'notbxbfse'], vf.get_ancestry(['notbxbfse']))
825
self.assertEqual({'notbxbfse':(parent_id_utf8,)},
826
vf.get_parent_map(['notbxbfse']))
827
self.assertTrue(vf.has_version(parent_id_utf8))
828
# we have _with_ghost apis to give us ghost information.
829
self.assertEqual([parent_id_utf8, 'notbxbfse'],
830
vf.get_ancestry_with_ghosts(['notbxbfse']))
831
self.assertEqual([parent_id_utf8], vf.get_parents_with_ghosts('notbxbfse'))
833
def test_add_lines_with_ghosts_after_normal_revs(self):
834
# some versioned file formats allow lines to be added with parent
835
# information that is > than that in the format. Formats that do
836
# not support this need to raise NotImplementedError on the
837
# add_lines_with_ghosts api.
839
# probe for ghost support
841
vf.add_lines_with_ghosts('base', [], ['line\n', 'line_b\n'])
842
except NotImplementedError:
844
vf.add_lines_with_ghosts('references_ghost',
846
['line\n', 'line_b\n', 'line_c\n'])
847
origins = vf.annotate('references_ghost')
848
self.assertEquals(('base', 'line\n'), origins[0])
849
self.assertEquals(('base', 'line_b\n'), origins[1])
850
self.assertEquals(('references_ghost', 'line_c\n'), origins[2])
852
def test_readonly_mode(self):
853
transport = get_transport(self.get_url('.'))
854
factory = self.get_factory()
855
vf = factory('id', transport, 0777, create=True, access_mode='w')
856
vf = factory('id', transport, access_mode='r')
857
self.assertRaises(errors.ReadOnlyError, vf.add_lines, 'base', [], [])
858
self.assertRaises(errors.ReadOnlyError,
859
vf.add_lines_with_ghosts,
864
def test_get_sha1s(self):
865
# check the sha1 data is available
868
vf.add_lines('a', [], ['a\n'])
869
# the same file, different metadata
870
vf.add_lines('b', ['a'], ['a\n'])
871
# a file differing only in last newline.
872
vf.add_lines('c', [], ['a'])
874
'a': '3f786850e387550fdab836ed7e6dc881de23001b',
875
'c': '86f7e437faa5a7fce15d1ddcb9eaeaea377667b8',
876
'b': '3f786850e387550fdab836ed7e6dc881de23001b',
878
vf.get_sha1s(['a', 'c', 'b']))
881
class TestWeave(TestCaseWithMemoryTransport, VersionedFileTestMixIn):
883
def get_file(self, name='foo'):
884
return WeaveFile(name, get_transport(self.get_url('.')), create=True,
885
get_scope=self.get_transaction)
887
def get_file_corrupted_text(self):
888
w = WeaveFile('foo', get_transport(self.get_url('.')), create=True,
889
get_scope=self.get_transaction)
890
w.add_lines('v1', [], ['hello\n'])
891
w.add_lines('v2', ['v1'], ['hello\n', 'there\n'])
893
# We are going to invasively corrupt the text
894
# Make sure the internals of weave are the same
895
self.assertEqual([('{', 0)
903
self.assertEqual(['f572d396fae9206628714fb2ce00f72e94f2258f'
904
, '90f265c6e75f1c8f9ab76dcf85528352c5f215ef'
909
w._weave[4] = 'There\n'
912
def get_file_corrupted_checksum(self):
913
w = self.get_file_corrupted_text()
915
w._weave[4] = 'there\n'
916
self.assertEqual('hello\nthere\n', w.get_text('v2'))
918
#Invalid checksum, first digit changed
919
w._sha1s[1] = 'f0f265c6e75f1c8f9ab76dcf85528352c5f215ef'
922
def reopen_file(self, name='foo', create=False):
923
return WeaveFile(name, get_transport(self.get_url('.')), create=create,
924
get_scope=self.get_transaction)
926
def test_no_implicit_create(self):
927
self.assertRaises(errors.NoSuchFile,
930
get_transport(self.get_url('.')),
931
get_scope=self.get_transaction)
933
def get_factory(self):
937
class TestPlanMergeVersionedFile(TestCaseWithMemoryTransport):
940
TestCaseWithMemoryTransport.setUp(self)
941
mapper = PrefixMapper()
942
factory = make_file_factory(True, mapper)
943
self.vf1 = factory(self.get_transport('root-1'))
944
self.vf2 = factory(self.get_transport('root-2'))
945
self.plan_merge_vf = versionedfile._PlanMergeVersionedFile('root')
946
self.plan_merge_vf.fallback_versionedfiles.extend([self.vf1, self.vf2])
948
def test_add_lines(self):
949
self.plan_merge_vf.add_lines(('root', 'a:'), [], [])
950
self.assertRaises(ValueError, self.plan_merge_vf.add_lines,
951
('root', 'a'), [], [])
952
self.assertRaises(ValueError, self.plan_merge_vf.add_lines,
953
('root', 'a:'), None, [])
954
self.assertRaises(ValueError, self.plan_merge_vf.add_lines,
955
('root', 'a:'), [], None)
957
def setup_abcde(self):
958
self.vf1.add_lines(('root', 'A'), [], ['a'])
959
self.vf1.add_lines(('root', 'B'), [('root', 'A')], ['b'])
960
self.vf2.add_lines(('root', 'C'), [], ['c'])
961
self.vf2.add_lines(('root', 'D'), [('root', 'C')], ['d'])
962
self.plan_merge_vf.add_lines(('root', 'E:'),
963
[('root', 'B'), ('root', 'D')], ['e'])
965
def test_get_parents(self):
967
self.assertEqual({('root', 'B'):(('root', 'A'),)},
968
self.plan_merge_vf.get_parent_map([('root', 'B')]))
969
self.assertEqual({('root', 'D'):(('root', 'C'),)},
970
self.plan_merge_vf.get_parent_map([('root', 'D')]))
971
self.assertEqual({('root', 'E:'):(('root', 'B'),('root', 'D'))},
972
self.plan_merge_vf.get_parent_map([('root', 'E:')]))
974
self.plan_merge_vf.get_parent_map([('root', 'F')]))
976
('root', 'B'):(('root', 'A'),),
977
('root', 'D'):(('root', 'C'),),
978
('root', 'E:'):(('root', 'B'),('root', 'D')),
980
self.plan_merge_vf.get_parent_map(
981
[('root', 'B'), ('root', 'D'), ('root', 'E:'), ('root', 'F')]))
983
def test_get_record_stream(self):
985
def get_record(suffix):
986
return self.plan_merge_vf.get_record_stream(
987
[('root', suffix)], 'unordered', True).next()
988
self.assertEqual('a', get_record('A').get_bytes_as('fulltext'))
989
self.assertEqual('c', get_record('C').get_bytes_as('fulltext'))
990
self.assertEqual('e', get_record('E:').get_bytes_as('fulltext'))
991
self.assertEqual('absent', get_record('F').storage_kind)
994
class TestReadonlyHttpMixin(object):
996
def get_transaction(self):
999
def test_readonly_http_works(self):
1000
# we should be able to read from http with a versioned file.
1001
vf = self.get_file()
1002
# try an empty file access
1003
readonly_vf = self.get_factory()('foo', get_transport(self.get_readonly_url('.')))
1004
self.assertEqual([], readonly_vf.versions())
1006
vf.add_lines('1', [], ['a\n'])
1007
vf.add_lines('2', ['1'], ['b\n', 'a\n'])
1008
readonly_vf = self.get_factory()('foo', get_transport(self.get_readonly_url('.')))
1009
self.assertEqual(['1', '2'], vf.versions())
1010
for version in readonly_vf.versions():
1011
readonly_vf.get_lines(version)
1014
class TestWeaveHTTP(TestCaseWithWebserver, TestReadonlyHttpMixin):
1017
return WeaveFile('foo', get_transport(self.get_url('.')), create=True,
1018
get_scope=self.get_transaction)
1020
def get_factory(self):
1024
class MergeCasesMixin(object):
1026
def doMerge(self, base, a, b, mp):
1027
from cStringIO import StringIO
1028
from textwrap import dedent
1034
w.add_lines('text0', [], map(addcrlf, base))
1035
w.add_lines('text1', ['text0'], map(addcrlf, a))
1036
w.add_lines('text2', ['text0'], map(addcrlf, b))
1038
self.log_contents(w)
1040
self.log('merge plan:')
1041
p = list(w.plan_merge('text1', 'text2'))
1042
for state, line in p:
1044
self.log('%12s | %s' % (state, line[:-1]))
1048
mt.writelines(w.weave_merge(p))
1050
self.log(mt.getvalue())
1052
mp = map(addcrlf, mp)
1053
self.assertEqual(mt.readlines(), mp)
1056
def testOneInsert(self):
1062
def testSeparateInserts(self):
1063
self.doMerge(['aaa', 'bbb', 'ccc'],
1064
['aaa', 'xxx', 'bbb', 'ccc'],
1065
['aaa', 'bbb', 'yyy', 'ccc'],
1066
['aaa', 'xxx', 'bbb', 'yyy', 'ccc'])
1068
def testSameInsert(self):
1069
self.doMerge(['aaa', 'bbb', 'ccc'],
1070
['aaa', 'xxx', 'bbb', 'ccc'],
1071
['aaa', 'xxx', 'bbb', 'yyy', 'ccc'],
1072
['aaa', 'xxx', 'bbb', 'yyy', 'ccc'])
1073
overlappedInsertExpected = ['aaa', 'xxx', 'yyy', 'bbb']
1074
def testOverlappedInsert(self):
1075
self.doMerge(['aaa', 'bbb'],
1076
['aaa', 'xxx', 'yyy', 'bbb'],
1077
['aaa', 'xxx', 'bbb'], self.overlappedInsertExpected)
1079
# really it ought to reduce this to
1080
# ['aaa', 'xxx', 'yyy', 'bbb']
1083
def testClashReplace(self):
1084
self.doMerge(['aaa'],
1087
['<<<<<<< ', 'xxx', '=======', 'yyy', 'zzz',
1090
def testNonClashInsert1(self):
1091
self.doMerge(['aaa'],
1094
['<<<<<<< ', 'xxx', 'aaa', '=======', 'yyy', 'zzz',
1097
def testNonClashInsert2(self):
1098
self.doMerge(['aaa'],
1104
def testDeleteAndModify(self):
1105
"""Clashing delete and modification.
1107
If one side modifies a region and the other deletes it then
1108
there should be a conflict with one side blank.
1111
#######################################
1112
# skippd, not working yet
1115
self.doMerge(['aaa', 'bbb', 'ccc'],
1116
['aaa', 'ddd', 'ccc'],
1118
['<<<<<<<< ', 'aaa', '=======', '>>>>>>> ', 'ccc'])
1120
def _test_merge_from_strings(self, base, a, b, expected):
1122
w.add_lines('text0', [], base.splitlines(True))
1123
w.add_lines('text1', ['text0'], a.splitlines(True))
1124
w.add_lines('text2', ['text0'], b.splitlines(True))
1125
self.log('merge plan:')
1126
p = list(w.plan_merge('text1', 'text2'))
1127
for state, line in p:
1129
self.log('%12s | %s' % (state, line[:-1]))
1130
self.log('merge result:')
1131
result_text = ''.join(w.weave_merge(p))
1132
self.log(result_text)
1133
self.assertEqualDiff(result_text, expected)
1135
def test_weave_merge_conflicts(self):
1136
# does weave merge properly handle plans that end with unchanged?
1137
result = ''.join(self.get_file().weave_merge([('new-a', 'hello\n')]))
1138
self.assertEqual(result, 'hello\n')
1140
def test_deletion_extended(self):
1141
"""One side deletes, the other deletes more.
1162
self._test_merge_from_strings(base, a, b, result)
1164
def test_deletion_overlap(self):
1165
"""Delete overlapping regions with no other conflict.
1167
Arguably it'd be better to treat these as agreement, rather than
1168
conflict, but for now conflict is safer.
1196
self._test_merge_from_strings(base, a, b, result)
1198
def test_agreement_deletion(self):
1199
"""Agree to delete some lines, without conflicts."""
1221
self._test_merge_from_strings(base, a, b, result)
1223
def test_sync_on_deletion(self):
1224
"""Specific case of merge where we can synchronize incorrectly.
1226
A previous version of the weave merge concluded that the two versions
1227
agreed on deleting line 2, and this could be a synchronization point.
1228
Line 1 was then considered in isolation, and thought to be deleted on
1231
It's better to consider the whole thing as a disagreement region.
1242
a's replacement line 2
1255
a's replacement line 2
1262
self._test_merge_from_strings(base, a, b, result)
1265
class TestWeaveMerge(TestCaseWithMemoryTransport, MergeCasesMixin):
1267
def get_file(self, name='foo'):
1268
return WeaveFile(name, get_transport(self.get_url('.')), create=True)
1270
def log_contents(self, w):
1271
self.log('weave is:')
1273
write_weave(w, tmpf)
1274
self.log(tmpf.getvalue())
1276
overlappedInsertExpected = ['aaa', '<<<<<<< ', 'xxx', 'yyy', '=======',
1277
'xxx', '>>>>>>> ', 'bbb']
1280
class TestContentFactoryAdaption(TestCaseWithMemoryTransport):
1282
def test_select_adaptor(self):
1283
"""Test expected adapters exist."""
1284
# One scenario for each lookup combination we expect to use.
1285
# Each is source_kind, requested_kind, adapter class
1287
('knit-delta-gz', 'fulltext', _mod_knit.DeltaPlainToFullText),
1288
('knit-ft-gz', 'fulltext', _mod_knit.FTPlainToFullText),
1289
('knit-annotated-delta-gz', 'knit-delta-gz',
1290
_mod_knit.DeltaAnnotatedToUnannotated),
1291
('knit-annotated-delta-gz', 'fulltext',
1292
_mod_knit.DeltaAnnotatedToFullText),
1293
('knit-annotated-ft-gz', 'knit-ft-gz',
1294
_mod_knit.FTAnnotatedToUnannotated),
1295
('knit-annotated-ft-gz', 'fulltext',
1296
_mod_knit.FTAnnotatedToFullText),
1298
for source, requested, klass in scenarios:
1299
adapter_factory = versionedfile.adapter_registry.get(
1300
(source, requested))
1301
adapter = adapter_factory(None)
1302
self.assertIsInstance(adapter, klass)
1304
def get_knit(self, annotated=True):
1305
mapper = ConstantMapper('knit')
1306
transport = self.get_transport()
1307
return make_file_factory(annotated, mapper)(transport)
1309
def helpGetBytes(self, f, ft_adapter, delta_adapter):
1310
"""Grab the interested adapted texts for tests."""
1311
# origin is a fulltext
1312
entries = f.get_record_stream([('origin',)], 'unordered', False)
1313
base = entries.next()
1314
ft_data = ft_adapter.get_bytes(base)
1315
# merged is both a delta and multiple parents.
1316
entries = f.get_record_stream([('merged',)], 'unordered', False)
1317
merged = entries.next()
1318
delta_data = delta_adapter.get_bytes(merged)
1319
return ft_data, delta_data
1321
def test_deannotation_noeol(self):
1322
"""Test converting annotated knits to unannotated knits."""
1323
# we need a full text, and a delta
1325
get_diamond_files(f, 1, trailing_eol=False)
1326
ft_data, delta_data = self.helpGetBytes(f,
1327
_mod_knit.FTAnnotatedToUnannotated(None),
1328
_mod_knit.DeltaAnnotatedToUnannotated(None))
1330
'version origin 1 b284f94827db1fa2970d9e2014f080413b547a7e\n'
1333
GzipFile(mode='rb', fileobj=StringIO(ft_data)).read())
1335
'version merged 4 32c2e79763b3f90e8ccde37f9710b6629c25a796\n'
1336
'1,2,3\nleft\nright\nmerged\nend merged\n',
1337
GzipFile(mode='rb', fileobj=StringIO(delta_data)).read())
1339
def test_deannotation(self):
1340
"""Test converting annotated knits to unannotated knits."""
1341
# we need a full text, and a delta
1343
get_diamond_files(f, 1)
1344
ft_data, delta_data = self.helpGetBytes(f,
1345
_mod_knit.FTAnnotatedToUnannotated(None),
1346
_mod_knit.DeltaAnnotatedToUnannotated(None))
1348
'version origin 1 00e364d235126be43292ab09cb4686cf703ddc17\n'
1351
GzipFile(mode='rb', fileobj=StringIO(ft_data)).read())
1353
'version merged 3 ed8bce375198ea62444dc71952b22cfc2b09226d\n'
1354
'2,2,2\nright\nmerged\nend merged\n',
1355
GzipFile(mode='rb', fileobj=StringIO(delta_data)).read())
1357
def test_annotated_to_fulltext_no_eol(self):
1358
"""Test adapting annotated knits to full texts (for -> weaves)."""
1359
# we need a full text, and a delta
1361
get_diamond_files(f, 1, trailing_eol=False)
1362
# Reconstructing a full text requires a backing versioned file, and it
1363
# must have the base lines requested from it.
1364
logged_vf = versionedfile.RecordingVersionedFilesDecorator(f)
1365
ft_data, delta_data = self.helpGetBytes(f,
1366
_mod_knit.FTAnnotatedToFullText(None),
1367
_mod_knit.DeltaAnnotatedToFullText(logged_vf))
1368
self.assertEqual('origin', ft_data)
1369
self.assertEqual('base\nleft\nright\nmerged', delta_data)
1370
self.assertEqual([('get_record_stream', [('left',)], 'unordered',
1371
True)], logged_vf.calls)
1373
def test_annotated_to_fulltext(self):
1374
"""Test adapting annotated knits to full texts (for -> weaves)."""
1375
# we need a full text, and a delta
1377
get_diamond_files(f, 1)
1378
# Reconstructing a full text requires a backing versioned file, and it
1379
# must have the base lines requested from it.
1380
logged_vf = versionedfile.RecordingVersionedFilesDecorator(f)
1381
ft_data, delta_data = self.helpGetBytes(f,
1382
_mod_knit.FTAnnotatedToFullText(None),
1383
_mod_knit.DeltaAnnotatedToFullText(logged_vf))
1384
self.assertEqual('origin\n', ft_data)
1385
self.assertEqual('base\nleft\nright\nmerged\n', delta_data)
1386
self.assertEqual([('get_record_stream', [('left',)], 'unordered',
1387
True)], logged_vf.calls)
1389
def test_unannotated_to_fulltext(self):
1390
"""Test adapting unannotated knits to full texts.
1392
This is used for -> weaves, and for -> annotated knits.
1394
# we need a full text, and a delta
1395
f = self.get_knit(annotated=False)
1396
get_diamond_files(f, 1)
1397
# Reconstructing a full text requires a backing versioned file, and it
1398
# must have the base lines requested from it.
1399
logged_vf = versionedfile.RecordingVersionedFilesDecorator(f)
1400
ft_data, delta_data = self.helpGetBytes(f,
1401
_mod_knit.FTPlainToFullText(None),
1402
_mod_knit.DeltaPlainToFullText(logged_vf))
1403
self.assertEqual('origin\n', ft_data)
1404
self.assertEqual('base\nleft\nright\nmerged\n', delta_data)
1405
self.assertEqual([('get_record_stream', [('left',)], 'unordered',
1406
True)], logged_vf.calls)
1408
def test_unannotated_to_fulltext_no_eol(self):
1409
"""Test adapting unannotated knits to full texts.
1411
This is used for -> weaves, and for -> annotated knits.
1413
# we need a full text, and a delta
1414
f = self.get_knit(annotated=False)
1415
get_diamond_files(f, 1, trailing_eol=False)
1416
# Reconstructing a full text requires a backing versioned file, and it
1417
# must have the base lines requested from it.
1418
logged_vf = versionedfile.RecordingVersionedFilesDecorator(f)
1419
ft_data, delta_data = self.helpGetBytes(f,
1420
_mod_knit.FTPlainToFullText(None),
1421
_mod_knit.DeltaPlainToFullText(logged_vf))
1422
self.assertEqual('origin', ft_data)
1423
self.assertEqual('base\nleft\nright\nmerged', delta_data)
1424
self.assertEqual([('get_record_stream', [('left',)], 'unordered',
1425
True)], logged_vf.calls)
1428
class TestKeyMapper(TestCaseWithMemoryTransport):
1429
"""Tests for various key mapping logic."""
1431
def test_identity_mapper(self):
1432
mapper = versionedfile.ConstantMapper("inventory")
1433
self.assertEqual("inventory", mapper.map(('foo@ar',)))
1434
self.assertEqual("inventory", mapper.map(('quux',)))
1436
def test_prefix_mapper(self):
1438
mapper = versionedfile.PrefixMapper()
1439
self.assertEqual("file-id", mapper.map(("file-id", "revision-id")))
1440
self.assertEqual("new-id", mapper.map(("new-id", "revision-id")))
1441
self.assertEqual(('file-id',), mapper.unmap("file-id"))
1442
self.assertEqual(('new-id',), mapper.unmap("new-id"))
1444
def test_hash_prefix_mapper(self):
1445
#format6: hash + plain
1446
mapper = versionedfile.HashPrefixMapper()
1447
self.assertEqual("9b/file-id", mapper.map(("file-id", "revision-id")))
1448
self.assertEqual("45/new-id", mapper.map(("new-id", "revision-id")))
1449
self.assertEqual(('file-id',), mapper.unmap("9b/file-id"))
1450
self.assertEqual(('new-id',), mapper.unmap("45/new-id"))
1452
def test_hash_escaped_mapper(self):
1453
#knit1: hash + escaped
1454
mapper = versionedfile.HashEscapedPrefixMapper()
1455
self.assertEqual("88/%2520", mapper.map((" ", "revision-id")))
1456
self.assertEqual("ed/fil%2545-%2549d", mapper.map(("filE-Id",
1458
self.assertEqual("88/ne%2557-%2549d", mapper.map(("neW-Id",
1460
self.assertEqual(('filE-Id',), mapper.unmap("ed/fil%2545-%2549d"))
1461
self.assertEqual(('neW-Id',), mapper.unmap("88/ne%2557-%2549d"))
1464
class TestVersionedFiles(TestCaseWithMemoryTransport):
1465
"""Tests for the multiple-file variant of VersionedFile."""
1467
def get_versionedfiles(self, relpath='files'):
1468
transport = self.get_transport(relpath)
1470
transport.mkdir('.')
1471
files = self.factory(transport)
1472
if self.cleanup is not None:
1473
self.addCleanup(lambda:self.cleanup(files))
1476
def get_simple_key(self, suffix):
1477
"""Return a key for the object under test."""
1478
if self.key_length == 1:
1481
return ('FileA',) + (suffix,)
1483
def test_add_lines(self):
1484
f = self.get_versionedfiles()
1485
key0 = self.get_simple_key('r0')
1486
key1 = self.get_simple_key('r1')
1487
key2 = self.get_simple_key('r2')
1488
keyf = self.get_simple_key('foo')
1489
f.add_lines(key0, [], ['a\n', 'b\n'])
1491
f.add_lines(key1, [key0], ['b\n', 'c\n'])
1493
f.add_lines(key1, [], ['b\n', 'c\n'])
1495
self.assertTrue(key0 in keys)
1496
self.assertTrue(key1 in keys)
1498
for record in f.get_record_stream([key0, key1], 'unordered', True):
1499
records.append((record.key, record.get_bytes_as('fulltext')))
1501
self.assertEqual([(key0, 'a\nb\n'), (key1, 'b\nc\n')], records)
1503
def test__add_text(self):
1504
f = self.get_versionedfiles()
1505
key0 = self.get_simple_key('r0')
1506
key1 = self.get_simple_key('r1')
1507
key2 = self.get_simple_key('r2')
1508
keyf = self.get_simple_key('foo')
1509
f._add_text(key0, [], 'a\nb\n')
1511
f._add_text(key1, [key0], 'b\nc\n')
1513
f._add_text(key1, [], 'b\nc\n')
1515
self.assertTrue(key0 in keys)
1516
self.assertTrue(key1 in keys)
1518
for record in f.get_record_stream([key0, key1], 'unordered', True):
1519
records.append((record.key, record.get_bytes_as('fulltext')))
1521
self.assertEqual([(key0, 'a\nb\n'), (key1, 'b\nc\n')], records)
1523
def test_annotate(self):
1524
files = self.get_versionedfiles()
1525
self.get_diamond_files(files)
1526
if self.key_length == 1:
1530
# introduced full text
1531
origins = files.annotate(prefix + ('origin',))
1533
(prefix + ('origin',), 'origin\n')],
1536
origins = files.annotate(prefix + ('base',))
1538
(prefix + ('base',), 'base\n')],
1541
origins = files.annotate(prefix + ('merged',))
1544
(prefix + ('base',), 'base\n'),
1545
(prefix + ('left',), 'left\n'),
1546
(prefix + ('right',), 'right\n'),
1547
(prefix + ('merged',), 'merged\n')
1551
# Without a graph everything is new.
1553
(prefix + ('merged',), 'base\n'),
1554
(prefix + ('merged',), 'left\n'),
1555
(prefix + ('merged',), 'right\n'),
1556
(prefix + ('merged',), 'merged\n')
1559
self.assertRaises(RevisionNotPresent,
1560
files.annotate, prefix + ('missing-key',))
1562
def test_check_no_parameters(self):
1563
files = self.get_versionedfiles()
1565
def test_check_progressbar_parameter(self):
1566
"""A progress bar can be supplied because check can be a generator."""
1567
pb = ui.ui_factory.nested_progress_bar()
1568
self.addCleanup(pb.finished)
1569
files = self.get_versionedfiles()
1570
files.check(progress_bar=pb)
1572
def test_check_with_keys_becomes_generator(self):
1573
files = self.get_versionedfiles()
1574
self.get_diamond_files(files)
1576
entries = files.check(keys=keys)
1578
# Texts output should be fulltexts.
1579
self.capture_stream(files, entries, seen.add,
1580
files.get_parent_map(keys), require_fulltext=True)
1581
# All texts should be output.
1582
self.assertEqual(set(keys), seen)
1584
def test_construct(self):
1585
"""Each parameterised test can be constructed on a transport."""
1586
files = self.get_versionedfiles()
1588
def get_diamond_files(self, files, trailing_eol=True, left_only=False,
1590
return get_diamond_files(files, self.key_length,
1591
trailing_eol=trailing_eol, nograph=not self.graph,
1592
left_only=left_only, nokeys=nokeys)
1594
def _add_content_nostoresha(self, add_lines):
1595
"""When nostore_sha is supplied using old content raises."""
1596
vf = self.get_versionedfiles()
1597
empty_text = ('a', [])
1598
sample_text_nl = ('b', ["foo\n", "bar\n"])
1599
sample_text_no_nl = ('c', ["foo\n", "bar"])
1601
for version, lines in (empty_text, sample_text_nl, sample_text_no_nl):
1603
sha, _, _ = vf.add_lines(self.get_simple_key(version), [],
1606
sha, _, _ = vf._add_text(self.get_simple_key(version), [],
1609
# we now have a copy of all the lines in the vf.
1610
for sha, (version, lines) in zip(
1611
shas, (empty_text, sample_text_nl, sample_text_no_nl)):
1612
new_key = self.get_simple_key(version + "2")
1613
self.assertRaises(errors.ExistingContent,
1614
vf.add_lines, new_key, [], lines,
1616
self.assertRaises(errors.ExistingContent,
1617
vf._add_text, new_key, [], ''.join(lines),
1619
# and no new version should have been added.
1620
record = vf.get_record_stream([new_key], 'unordered', True).next()
1621
self.assertEqual('absent', record.storage_kind)
1623
def test_add_lines_nostoresha(self):
1624
self._add_content_nostoresha(add_lines=True)
1626
def test__add_text_nostoresha(self):
1627
self._add_content_nostoresha(add_lines=False)
1629
def test_add_lines_return(self):
1630
files = self.get_versionedfiles()
1631
# save code by using the stock data insertion helper.
1632
adds = self.get_diamond_files(files)
1634
# We can only validate the first 2 elements returned from add_lines.
1636
self.assertEqual(3, len(add))
1637
results.append(add[:2])
1638
if self.key_length == 1:
1640
('00e364d235126be43292ab09cb4686cf703ddc17', 7),
1641
('51c64a6f4fc375daf0d24aafbabe4d91b6f4bb44', 5),
1642
('a8478686da38e370e32e42e8a0c220e33ee9132f', 10),
1643
('9ef09dfa9d86780bdec9219a22560c6ece8e0ef1', 11),
1644
('ed8bce375198ea62444dc71952b22cfc2b09226d', 23)],
1646
elif self.key_length == 2:
1648
('00e364d235126be43292ab09cb4686cf703ddc17', 7),
1649
('00e364d235126be43292ab09cb4686cf703ddc17', 7),
1650
('51c64a6f4fc375daf0d24aafbabe4d91b6f4bb44', 5),
1651
('51c64a6f4fc375daf0d24aafbabe4d91b6f4bb44', 5),
1652
('a8478686da38e370e32e42e8a0c220e33ee9132f', 10),
1653
('a8478686da38e370e32e42e8a0c220e33ee9132f', 10),
1654
('9ef09dfa9d86780bdec9219a22560c6ece8e0ef1', 11),
1655
('9ef09dfa9d86780bdec9219a22560c6ece8e0ef1', 11),
1656
('ed8bce375198ea62444dc71952b22cfc2b09226d', 23),
1657
('ed8bce375198ea62444dc71952b22cfc2b09226d', 23)],
1660
def test_add_lines_no_key_generates_chk_key(self):
1661
files = self.get_versionedfiles()
1662
# save code by using the stock data insertion helper.
1663
adds = self.get_diamond_files(files, nokeys=True)
1665
# We can only validate the first 2 elements returned from add_lines.
1667
self.assertEqual(3, len(add))
1668
results.append(add[:2])
1669
if self.key_length == 1:
1671
('00e364d235126be43292ab09cb4686cf703ddc17', 7),
1672
('51c64a6f4fc375daf0d24aafbabe4d91b6f4bb44', 5),
1673
('a8478686da38e370e32e42e8a0c220e33ee9132f', 10),
1674
('9ef09dfa9d86780bdec9219a22560c6ece8e0ef1', 11),
1675
('ed8bce375198ea62444dc71952b22cfc2b09226d', 23)],
1677
# Check the added items got CHK keys.
1678
self.assertEqual(set([
1679
('sha1:00e364d235126be43292ab09cb4686cf703ddc17',),
1680
('sha1:51c64a6f4fc375daf0d24aafbabe4d91b6f4bb44',),
1681
('sha1:9ef09dfa9d86780bdec9219a22560c6ece8e0ef1',),
1682
('sha1:a8478686da38e370e32e42e8a0c220e33ee9132f',),
1683
('sha1:ed8bce375198ea62444dc71952b22cfc2b09226d',),
1686
elif self.key_length == 2:
1688
('00e364d235126be43292ab09cb4686cf703ddc17', 7),
1689
('00e364d235126be43292ab09cb4686cf703ddc17', 7),
1690
('51c64a6f4fc375daf0d24aafbabe4d91b6f4bb44', 5),
1691
('51c64a6f4fc375daf0d24aafbabe4d91b6f4bb44', 5),
1692
('a8478686da38e370e32e42e8a0c220e33ee9132f', 10),
1693
('a8478686da38e370e32e42e8a0c220e33ee9132f', 10),
1694
('9ef09dfa9d86780bdec9219a22560c6ece8e0ef1', 11),
1695
('9ef09dfa9d86780bdec9219a22560c6ece8e0ef1', 11),
1696
('ed8bce375198ea62444dc71952b22cfc2b09226d', 23),
1697
('ed8bce375198ea62444dc71952b22cfc2b09226d', 23)],
1699
# Check the added items got CHK keys.
1700
self.assertEqual(set([
1701
('FileA', 'sha1:00e364d235126be43292ab09cb4686cf703ddc17'),
1702
('FileA', 'sha1:51c64a6f4fc375daf0d24aafbabe4d91b6f4bb44'),
1703
('FileA', 'sha1:9ef09dfa9d86780bdec9219a22560c6ece8e0ef1'),
1704
('FileA', 'sha1:a8478686da38e370e32e42e8a0c220e33ee9132f'),
1705
('FileA', 'sha1:ed8bce375198ea62444dc71952b22cfc2b09226d'),
1706
('FileB', 'sha1:00e364d235126be43292ab09cb4686cf703ddc17'),
1707
('FileB', 'sha1:51c64a6f4fc375daf0d24aafbabe4d91b6f4bb44'),
1708
('FileB', 'sha1:9ef09dfa9d86780bdec9219a22560c6ece8e0ef1'),
1709
('FileB', 'sha1:a8478686da38e370e32e42e8a0c220e33ee9132f'),
1710
('FileB', 'sha1:ed8bce375198ea62444dc71952b22cfc2b09226d'),
1714
def test_empty_lines(self):
1715
"""Empty files can be stored."""
1716
f = self.get_versionedfiles()
1717
key_a = self.get_simple_key('a')
1718
f.add_lines(key_a, [], [])
1719
self.assertEqual('',
1720
f.get_record_stream([key_a], 'unordered', True
1721
).next().get_bytes_as('fulltext'))
1722
key_b = self.get_simple_key('b')
1723
f.add_lines(key_b, self.get_parents([key_a]), [])
1724
self.assertEqual('',
1725
f.get_record_stream([key_b], 'unordered', True
1726
).next().get_bytes_as('fulltext'))
1728
def test_newline_only(self):
1729
f = self.get_versionedfiles()
1730
key_a = self.get_simple_key('a')
1731
f.add_lines(key_a, [], ['\n'])
1732
self.assertEqual('\n',
1733
f.get_record_stream([key_a], 'unordered', True
1734
).next().get_bytes_as('fulltext'))
1735
key_b = self.get_simple_key('b')
1736
f.add_lines(key_b, self.get_parents([key_a]), ['\n'])
1737
self.assertEqual('\n',
1738
f.get_record_stream([key_b], 'unordered', True
1739
).next().get_bytes_as('fulltext'))
1741
def test_get_known_graph_ancestry(self):
1742
f = self.get_versionedfiles()
1744
raise TestNotApplicable('ancestry info only relevant with graph.')
1745
key_a = self.get_simple_key('a')
1746
key_b = self.get_simple_key('b')
1747
key_c = self.get_simple_key('c')
1753
f.add_lines(key_a, [], ['\n'])
1754
f.add_lines(key_b, [key_a], ['\n'])
1755
f.add_lines(key_c, [key_a, key_b], ['\n'])
1756
kg = f.get_known_graph_ancestry([key_c])
1757
self.assertIsInstance(kg, _mod_graph.KnownGraph)
1758
self.assertEqual([key_a, key_b, key_c], list(kg.topo_sort()))
1760
def test_known_graph_with_fallbacks(self):
1761
f = self.get_versionedfiles('files')
1763
raise TestNotApplicable('ancestry info only relevant with graph.')
1764
if getattr(f, 'add_fallback_versioned_files', None) is None:
1765
raise TestNotApplicable("%s doesn't support fallbacks"
1766
% (f.__class__.__name__,))
1767
key_a = self.get_simple_key('a')
1768
key_b = self.get_simple_key('b')
1769
key_c = self.get_simple_key('c')
1770
# A only in fallback
1775
g = self.get_versionedfiles('fallback')
1776
g.add_lines(key_a, [], ['\n'])
1777
f.add_fallback_versioned_files(g)
1778
f.add_lines(key_b, [key_a], ['\n'])
1779
f.add_lines(key_c, [key_a, key_b], ['\n'])
1780
kg = f.get_known_graph_ancestry([key_c])
1781
self.assertEqual([key_a, key_b, key_c], list(kg.topo_sort()))
1783
def test_get_record_stream_empty(self):
1784
"""An empty stream can be requested without error."""
1785
f = self.get_versionedfiles()
1786
entries = f.get_record_stream([], 'unordered', False)
1787
self.assertEqual([], list(entries))
1789
def assertValidStorageKind(self, storage_kind):
1790
"""Assert that storage_kind is a valid storage_kind."""
1791
self.assertSubset([storage_kind],
1792
['mpdiff', 'knit-annotated-ft', 'knit-annotated-delta',
1793
'knit-ft', 'knit-delta', 'chunked', 'fulltext',
1794
'knit-annotated-ft-gz', 'knit-annotated-delta-gz', 'knit-ft-gz',
1796
'knit-delta-closure', 'knit-delta-closure-ref',
1797
'groupcompress-block', 'groupcompress-block-ref'])
1799
def capture_stream(self, f, entries, on_seen, parents,
1800
require_fulltext=False):
1801
"""Capture a stream for testing."""
1802
for factory in entries:
1803
on_seen(factory.key)
1804
self.assertValidStorageKind(factory.storage_kind)
1805
if factory.sha1 is not None:
1806
self.assertEqual(f.get_sha1s([factory.key])[factory.key],
1808
self.assertEqual(parents[factory.key], factory.parents)
1809
self.assertIsInstance(factory.get_bytes_as(factory.storage_kind),
1811
if require_fulltext:
1812
factory.get_bytes_as('fulltext')
1814
def test_get_record_stream_interface(self):
1815
"""each item in a stream has to provide a regular interface."""
1816
files = self.get_versionedfiles()
1817
self.get_diamond_files(files)
1818
keys, _ = self.get_keys_and_sort_order()
1819
parent_map = files.get_parent_map(keys)
1820
entries = files.get_record_stream(keys, 'unordered', False)
1822
self.capture_stream(files, entries, seen.add, parent_map)
1823
self.assertEqual(set(keys), seen)
1825
def get_keys_and_sort_order(self):
1826
"""Get diamond test keys list, and their sort ordering."""
1827
if self.key_length == 1:
1828
keys = [('merged',), ('left',), ('right',), ('base',)]
1829
sort_order = {('merged',):2, ('left',):1, ('right',):1, ('base',):0}
1832
('FileA', 'merged'), ('FileA', 'left'), ('FileA', 'right'),
1834
('FileB', 'merged'), ('FileB', 'left'), ('FileB', 'right'),
1838
('FileA', 'merged'):2, ('FileA', 'left'):1, ('FileA', 'right'):1,
1839
('FileA', 'base'):0,
1840
('FileB', 'merged'):2, ('FileB', 'left'):1, ('FileB', 'right'):1,
1841
('FileB', 'base'):0,
1843
return keys, sort_order
1845
def get_keys_and_groupcompress_sort_order(self):
1846
"""Get diamond test keys list, and their groupcompress sort ordering."""
1847
if self.key_length == 1:
1848
keys = [('merged',), ('left',), ('right',), ('base',)]
1849
sort_order = {('merged',):0, ('left',):1, ('right',):1, ('base',):2}
1852
('FileA', 'merged'), ('FileA', 'left'), ('FileA', 'right'),
1854
('FileB', 'merged'), ('FileB', 'left'), ('FileB', 'right'),
1858
('FileA', 'merged'):0, ('FileA', 'left'):1, ('FileA', 'right'):1,
1859
('FileA', 'base'):2,
1860
('FileB', 'merged'):3, ('FileB', 'left'):4, ('FileB', 'right'):4,
1861
('FileB', 'base'):5,
1863
return keys, sort_order
1865
def test_get_record_stream_interface_ordered(self):
1866
"""each item in a stream has to provide a regular interface."""
1867
files = self.get_versionedfiles()
1868
self.get_diamond_files(files)
1869
keys, sort_order = self.get_keys_and_sort_order()
1870
parent_map = files.get_parent_map(keys)
1871
entries = files.get_record_stream(keys, 'topological', False)
1873
self.capture_stream(files, entries, seen.append, parent_map)
1874
self.assertStreamOrder(sort_order, seen, keys)
1876
def test_get_record_stream_interface_ordered_with_delta_closure(self):
1877
"""each item must be accessible as a fulltext."""
1878
files = self.get_versionedfiles()
1879
self.get_diamond_files(files)
1880
keys, sort_order = self.get_keys_and_sort_order()
1881
parent_map = files.get_parent_map(keys)
1882
entries = files.get_record_stream(keys, 'topological', True)
1884
for factory in entries:
1885
seen.append(factory.key)
1886
self.assertValidStorageKind(factory.storage_kind)
1887
self.assertSubset([factory.sha1],
1888
[None, files.get_sha1s([factory.key])[factory.key]])
1889
self.assertEqual(parent_map[factory.key], factory.parents)
1890
# self.assertEqual(files.get_text(factory.key),
1891
ft_bytes = factory.get_bytes_as('fulltext')
1892
self.assertIsInstance(ft_bytes, str)
1893
chunked_bytes = factory.get_bytes_as('chunked')
1894
self.assertEqualDiff(ft_bytes, ''.join(chunked_bytes))
1896
self.assertStreamOrder(sort_order, seen, keys)
1898
def test_get_record_stream_interface_groupcompress(self):
1899
"""each item in a stream has to provide a regular interface."""
1900
files = self.get_versionedfiles()
1901
self.get_diamond_files(files)
1902
keys, sort_order = self.get_keys_and_groupcompress_sort_order()
1903
parent_map = files.get_parent_map(keys)
1904
entries = files.get_record_stream(keys, 'groupcompress', False)
1906
self.capture_stream(files, entries, seen.append, parent_map)
1907
self.assertStreamOrder(sort_order, seen, keys)
1909
def assertStreamOrder(self, sort_order, seen, keys):
1910
self.assertEqual(len(set(seen)), len(keys))
1911
if self.key_length == 1:
1914
lows = {('FileA',):0, ('FileB',):0}
1916
self.assertEqual(set(keys), set(seen))
1919
sort_pos = sort_order[key]
1920
self.assertTrue(sort_pos >= lows[key[:-1]],
1921
"Out of order in sorted stream: %r, %r" % (key, seen))
1922
lows[key[:-1]] = sort_pos
1924
def test_get_record_stream_unknown_storage_kind_raises(self):
1925
"""Asking for a storage kind that the stream cannot supply raises."""
1926
files = self.get_versionedfiles()
1927
self.get_diamond_files(files)
1928
if self.key_length == 1:
1929
keys = [('merged',), ('left',), ('right',), ('base',)]
1932
('FileA', 'merged'), ('FileA', 'left'), ('FileA', 'right'),
1934
('FileB', 'merged'), ('FileB', 'left'), ('FileB', 'right'),
1937
parent_map = files.get_parent_map(keys)
1938
entries = files.get_record_stream(keys, 'unordered', False)
1939
# We track the contents because we should be able to try, fail a
1940
# particular kind and then ask for one that works and continue.
1942
for factory in entries:
1943
seen.add(factory.key)
1944
self.assertValidStorageKind(factory.storage_kind)
1945
if factory.sha1 is not None:
1946
self.assertEqual(files.get_sha1s([factory.key])[factory.key],
1948
self.assertEqual(parent_map[factory.key], factory.parents)
1949
# currently no stream emits mpdiff
1950
self.assertRaises(errors.UnavailableRepresentation,
1951
factory.get_bytes_as, 'mpdiff')
1952
self.assertIsInstance(factory.get_bytes_as(factory.storage_kind),
1954
self.assertEqual(set(keys), seen)
1956
def test_get_record_stream_missing_records_are_absent(self):
1957
files = self.get_versionedfiles()
1958
self.get_diamond_files(files)
1959
if self.key_length == 1:
1960
keys = [('merged',), ('left',), ('right',), ('absent',), ('base',)]
1963
('FileA', 'merged'), ('FileA', 'left'), ('FileA', 'right'),
1964
('FileA', 'absent'), ('FileA', 'base'),
1965
('FileB', 'merged'), ('FileB', 'left'), ('FileB', 'right'),
1966
('FileB', 'absent'), ('FileB', 'base'),
1967
('absent', 'absent'),
1969
parent_map = files.get_parent_map(keys)
1970
entries = files.get_record_stream(keys, 'unordered', False)
1971
self.assertAbsentRecord(files, keys, parent_map, entries)
1972
entries = files.get_record_stream(keys, 'topological', False)
1973
self.assertAbsentRecord(files, keys, parent_map, entries)
1975
def assertRecordHasContent(self, record, bytes):
1976
"""Assert that record has the bytes bytes."""
1977
self.assertEqual(bytes, record.get_bytes_as('fulltext'))
1978
self.assertEqual(bytes, ''.join(record.get_bytes_as('chunked')))
1980
def test_get_record_stream_native_formats_are_wire_ready_one_ft(self):
1981
files = self.get_versionedfiles()
1982
key = self.get_simple_key('foo')
1983
files.add_lines(key, (), ['my text\n', 'content'])
1984
stream = files.get_record_stream([key], 'unordered', False)
1985
record = stream.next()
1986
if record.storage_kind in ('chunked', 'fulltext'):
1987
# chunked and fulltext representations are for direct use not wire
1988
# serialisation: check they are able to be used directly. To send
1989
# such records over the wire translation will be needed.
1990
self.assertRecordHasContent(record, "my text\ncontent")
1992
bytes = [record.get_bytes_as(record.storage_kind)]
1993
network_stream = versionedfile.NetworkRecordStream(bytes).read()
1994
source_record = record
1996
for record in network_stream:
1997
records.append(record)
1998
self.assertEqual(source_record.storage_kind,
1999
record.storage_kind)
2000
self.assertEqual(source_record.parents, record.parents)
2002
source_record.get_bytes_as(source_record.storage_kind),
2003
record.get_bytes_as(record.storage_kind))
2004
self.assertEqual(1, len(records))
2006
def assertStreamMetaEqual(self, records, expected, stream):
2007
"""Assert that streams expected and stream have the same records.
2009
:param records: A list to collect the seen records.
2010
:return: A generator of the records in stream.
2012
# We make assertions during copying to catch things early for
2014
for record, ref_record in izip(stream, expected):
2015
records.append(record)
2016
self.assertEqual(ref_record.key, record.key)
2017
self.assertEqual(ref_record.storage_kind, record.storage_kind)
2018
self.assertEqual(ref_record.parents, record.parents)
2021
def stream_to_bytes_or_skip_counter(self, skipped_records, full_texts,
2023
"""Convert a stream to a bytes iterator.
2025
:param skipped_records: A list with one element to increment when a
2027
:param full_texts: A dict from key->fulltext representation, for
2028
checking chunked or fulltext stored records.
2029
:param stream: A record_stream.
2030
:return: An iterator over the bytes of each record.
2032
for record in stream:
2033
if record.storage_kind in ('chunked', 'fulltext'):
2034
skipped_records[0] += 1
2035
# check the content is correct for direct use.
2036
self.assertRecordHasContent(record, full_texts[record.key])
2038
yield record.get_bytes_as(record.storage_kind)
2040
def test_get_record_stream_native_formats_are_wire_ready_ft_delta(self):
2041
files = self.get_versionedfiles()
2042
target_files = self.get_versionedfiles('target')
2043
key = self.get_simple_key('ft')
2044
key_delta = self.get_simple_key('delta')
2045
files.add_lines(key, (), ['my text\n', 'content'])
2047
delta_parents = (key,)
2050
files.add_lines(key_delta, delta_parents, ['different\n', 'content\n'])
2051
local = files.get_record_stream([key, key_delta], 'unordered', False)
2052
ref = files.get_record_stream([key, key_delta], 'unordered', False)
2053
skipped_records = [0]
2055
key: "my text\ncontent",
2056
key_delta: "different\ncontent\n",
2058
byte_stream = self.stream_to_bytes_or_skip_counter(
2059
skipped_records, full_texts, local)
2060
network_stream = versionedfile.NetworkRecordStream(byte_stream).read()
2062
# insert the stream from the network into a versioned files object so we can
2063
# check the content was carried across correctly without doing delta
2065
target_files.insert_record_stream(
2066
self.assertStreamMetaEqual(records, ref, network_stream))
2067
# No duplicates on the wire thank you!
2068
self.assertEqual(2, len(records) + skipped_records[0])
2070
# if any content was copied it all must have all been.
2071
self.assertIdenticalVersionedFile(files, target_files)
2073
def test_get_record_stream_native_formats_are_wire_ready_delta(self):
2074
# copy a delta over the wire
2075
files = self.get_versionedfiles()
2076
target_files = self.get_versionedfiles('target')
2077
key = self.get_simple_key('ft')
2078
key_delta = self.get_simple_key('delta')
2079
files.add_lines(key, (), ['my text\n', 'content'])
2081
delta_parents = (key,)
2084
files.add_lines(key_delta, delta_parents, ['different\n', 'content\n'])
2085
# Copy the basis text across so we can reconstruct the delta during
2086
# insertion into target.
2087
target_files.insert_record_stream(files.get_record_stream([key],
2088
'unordered', False))
2089
local = files.get_record_stream([key_delta], 'unordered', False)
2090
ref = files.get_record_stream([key_delta], 'unordered', False)
2091
skipped_records = [0]
2093
key_delta: "different\ncontent\n",
2095
byte_stream = self.stream_to_bytes_or_skip_counter(
2096
skipped_records, full_texts, local)
2097
network_stream = versionedfile.NetworkRecordStream(byte_stream).read()
2099
# insert the stream from the network into a versioned files object so we can
2100
# check the content was carried across correctly without doing delta
2101
# inspection during check_stream.
2102
target_files.insert_record_stream(
2103
self.assertStreamMetaEqual(records, ref, network_stream))
2104
# No duplicates on the wire thank you!
2105
self.assertEqual(1, len(records) + skipped_records[0])
2107
# if any content was copied it all must have all been
2108
self.assertIdenticalVersionedFile(files, target_files)
2110
def test_get_record_stream_wire_ready_delta_closure_included(self):
2111
# copy a delta over the wire with the ability to get its full text.
2112
files = self.get_versionedfiles()
2113
key = self.get_simple_key('ft')
2114
key_delta = self.get_simple_key('delta')
2115
files.add_lines(key, (), ['my text\n', 'content'])
2117
delta_parents = (key,)
2120
files.add_lines(key_delta, delta_parents, ['different\n', 'content\n'])
2121
local = files.get_record_stream([key_delta], 'unordered', True)
2122
ref = files.get_record_stream([key_delta], 'unordered', True)
2123
skipped_records = [0]
2125
key_delta: "different\ncontent\n",
2127
byte_stream = self.stream_to_bytes_or_skip_counter(
2128
skipped_records, full_texts, local)
2129
network_stream = versionedfile.NetworkRecordStream(byte_stream).read()
2131
# insert the stream from the network into a versioned files object so we can
2132
# check the content was carried across correctly without doing delta
2133
# inspection during check_stream.
2134
for record in self.assertStreamMetaEqual(records, ref, network_stream):
2135
# we have to be able to get the full text out:
2136
self.assertRecordHasContent(record, full_texts[record.key])
2137
# No duplicates on the wire thank you!
2138
self.assertEqual(1, len(records) + skipped_records[0])
2140
def assertAbsentRecord(self, files, keys, parents, entries):
2141
"""Helper for test_get_record_stream_missing_records_are_absent."""
2143
for factory in entries:
2144
seen.add(factory.key)
2145
if factory.key[-1] == 'absent':
2146
self.assertEqual('absent', factory.storage_kind)
2147
self.assertEqual(None, factory.sha1)
2148
self.assertEqual(None, factory.parents)
2150
self.assertValidStorageKind(factory.storage_kind)
2151
if factory.sha1 is not None:
2152
sha1 = files.get_sha1s([factory.key])[factory.key]
2153
self.assertEqual(sha1, factory.sha1)
2154
self.assertEqual(parents[factory.key], factory.parents)
2155
self.assertIsInstance(factory.get_bytes_as(factory.storage_kind),
2157
self.assertEqual(set(keys), seen)
2159
def test_filter_absent_records(self):
2160
"""Requested missing records can be filter trivially."""
2161
files = self.get_versionedfiles()
2162
self.get_diamond_files(files)
2163
keys, _ = self.get_keys_and_sort_order()
2164
parent_map = files.get_parent_map(keys)
2165
# Add an absent record in the middle of the present keys. (We don't ask
2166
# for just absent keys to ensure that content before and after the
2167
# absent keys is still delivered).
2168
present_keys = list(keys)
2169
if self.key_length == 1:
2170
keys.insert(2, ('extra',))
2172
keys.insert(2, ('extra', 'extra'))
2173
entries = files.get_record_stream(keys, 'unordered', False)
2175
self.capture_stream(files, versionedfile.filter_absent(entries), seen.add,
2177
self.assertEqual(set(present_keys), seen)
2179
def get_mapper(self):
2180
"""Get a mapper suitable for the key length of the test interface."""
2181
if self.key_length == 1:
2182
return ConstantMapper('source')
2184
return HashEscapedPrefixMapper()
2186
def get_parents(self, parents):
2187
"""Get parents, taking self.graph into consideration."""
2193
def test_get_annotator(self):
2194
files = self.get_versionedfiles()
2195
self.get_diamond_files(files)
2196
origin_key = self.get_simple_key('origin')
2197
base_key = self.get_simple_key('base')
2198
left_key = self.get_simple_key('left')
2199
right_key = self.get_simple_key('right')
2200
merged_key = self.get_simple_key('merged')
2201
# annotator = files.get_annotator()
2202
# introduced full text
2203
origins, lines = files.get_annotator().annotate(origin_key)
2204
self.assertEqual([(origin_key,)], origins)
2205
self.assertEqual(['origin\n'], lines)
2207
origins, lines = files.get_annotator().annotate(base_key)
2208
self.assertEqual([(base_key,)], origins)
2210
origins, lines = files.get_annotator().annotate(merged_key)
2219
# Without a graph everything is new.
2226
self.assertRaises(RevisionNotPresent,
2227
files.get_annotator().annotate, self.get_simple_key('missing-key'))
2229
def test_get_parent_map(self):
2230
files = self.get_versionedfiles()
2231
if self.key_length == 1:
2233
(('r0',), self.get_parents(())),
2234
(('r1',), self.get_parents((('r0',),))),
2235
(('r2',), self.get_parents(())),
2236
(('r3',), self.get_parents(())),
2237
(('m',), self.get_parents((('r0',),('r1',),('r2',),('r3',)))),
2241
(('FileA', 'r0'), self.get_parents(())),
2242
(('FileA', 'r1'), self.get_parents((('FileA', 'r0'),))),
2243
(('FileA', 'r2'), self.get_parents(())),
2244
(('FileA', 'r3'), self.get_parents(())),
2245
(('FileA', 'm'), self.get_parents((('FileA', 'r0'),
2246
('FileA', 'r1'), ('FileA', 'r2'), ('FileA', 'r3')))),
2248
for key, parents in parent_details:
2249
files.add_lines(key, parents, [])
2250
# immediately after adding it should be queryable.
2251
self.assertEqual({key:parents}, files.get_parent_map([key]))
2252
# We can ask for an empty set
2253
self.assertEqual({}, files.get_parent_map([]))
2254
# We can ask for many keys
2255
all_parents = dict(parent_details)
2256
self.assertEqual(all_parents, files.get_parent_map(all_parents.keys()))
2257
# Absent keys are just not included in the result.
2258
keys = all_parents.keys()
2259
if self.key_length == 1:
2260
keys.insert(1, ('missing',))
2262
keys.insert(1, ('missing', 'missing'))
2263
# Absent keys are just ignored
2264
self.assertEqual(all_parents, files.get_parent_map(keys))
2266
def test_get_sha1s(self):
2267
files = self.get_versionedfiles()
2268
self.get_diamond_files(files)
2269
if self.key_length == 1:
2270
keys = [('base',), ('origin',), ('left',), ('merged',), ('right',)]
2272
# ask for shas from different prefixes.
2274
('FileA', 'base'), ('FileB', 'origin'), ('FileA', 'left'),
2275
('FileA', 'merged'), ('FileB', 'right'),
2278
keys[0]: '51c64a6f4fc375daf0d24aafbabe4d91b6f4bb44',
2279
keys[1]: '00e364d235126be43292ab09cb4686cf703ddc17',
2280
keys[2]: 'a8478686da38e370e32e42e8a0c220e33ee9132f',
2281
keys[3]: 'ed8bce375198ea62444dc71952b22cfc2b09226d',
2282
keys[4]: '9ef09dfa9d86780bdec9219a22560c6ece8e0ef1',
2284
files.get_sha1s(keys))
2286
def test_insert_record_stream_empty(self):
2287
"""Inserting an empty record stream should work."""
2288
files = self.get_versionedfiles()
2289
files.insert_record_stream([])
2291
def assertIdenticalVersionedFile(self, expected, actual):
2292
"""Assert that left and right have the same contents."""
2293
self.assertEqual(set(actual.keys()), set(expected.keys()))
2294
actual_parents = actual.get_parent_map(actual.keys())
2296
self.assertEqual(actual_parents, expected.get_parent_map(expected.keys()))
2298
for key, parents in actual_parents.items():
2299
self.assertEqual(None, parents)
2300
for key in actual.keys():
2301
actual_text = actual.get_record_stream(
2302
[key], 'unordered', True).next().get_bytes_as('fulltext')
2303
expected_text = expected.get_record_stream(
2304
[key], 'unordered', True).next().get_bytes_as('fulltext')
2305
self.assertEqual(actual_text, expected_text)
2307
def test_insert_record_stream_fulltexts(self):
2308
"""Any file should accept a stream of fulltexts."""
2309
files = self.get_versionedfiles()
2310
mapper = self.get_mapper()
2311
source_transport = self.get_transport('source')
2312
source_transport.mkdir('.')
2313
# weaves always output fulltexts.
2314
source = make_versioned_files_factory(WeaveFile, mapper)(
2316
self.get_diamond_files(source, trailing_eol=False)
2317
stream = source.get_record_stream(source.keys(), 'topological',
2319
files.insert_record_stream(stream)
2320
self.assertIdenticalVersionedFile(source, files)
2322
def test_insert_record_stream_fulltexts_noeol(self):
2323
"""Any file should accept a stream of fulltexts."""
2324
files = self.get_versionedfiles()
2325
mapper = self.get_mapper()
2326
source_transport = self.get_transport('source')
2327
source_transport.mkdir('.')
2328
# weaves always output fulltexts.
2329
source = make_versioned_files_factory(WeaveFile, mapper)(
2331
self.get_diamond_files(source, trailing_eol=False)
2332
stream = source.get_record_stream(source.keys(), 'topological',
2334
files.insert_record_stream(stream)
2335
self.assertIdenticalVersionedFile(source, files)
2337
def test_insert_record_stream_annotated_knits(self):
2338
"""Any file should accept a stream from plain knits."""
2339
files = self.get_versionedfiles()
2340
mapper = self.get_mapper()
2341
source_transport = self.get_transport('source')
2342
source_transport.mkdir('.')
2343
source = make_file_factory(True, mapper)(source_transport)
2344
self.get_diamond_files(source)
2345
stream = source.get_record_stream(source.keys(), 'topological',
2347
files.insert_record_stream(stream)
2348
self.assertIdenticalVersionedFile(source, files)
2350
def test_insert_record_stream_annotated_knits_noeol(self):
2351
"""Any file should accept a stream from plain knits."""
2352
files = self.get_versionedfiles()
2353
mapper = self.get_mapper()
2354
source_transport = self.get_transport('source')
2355
source_transport.mkdir('.')
2356
source = make_file_factory(True, mapper)(source_transport)
2357
self.get_diamond_files(source, trailing_eol=False)
2358
stream = source.get_record_stream(source.keys(), 'topological',
2360
files.insert_record_stream(stream)
2361
self.assertIdenticalVersionedFile(source, files)
2363
def test_insert_record_stream_plain_knits(self):
2364
"""Any file should accept a stream from plain knits."""
2365
files = self.get_versionedfiles()
2366
mapper = self.get_mapper()
2367
source_transport = self.get_transport('source')
2368
source_transport.mkdir('.')
2369
source = make_file_factory(False, mapper)(source_transport)
2370
self.get_diamond_files(source)
2371
stream = source.get_record_stream(source.keys(), 'topological',
2373
files.insert_record_stream(stream)
2374
self.assertIdenticalVersionedFile(source, files)
2376
def test_insert_record_stream_plain_knits_noeol(self):
2377
"""Any file should accept a stream from plain knits."""
2378
files = self.get_versionedfiles()
2379
mapper = self.get_mapper()
2380
source_transport = self.get_transport('source')
2381
source_transport.mkdir('.')
2382
source = make_file_factory(False, mapper)(source_transport)
2383
self.get_diamond_files(source, trailing_eol=False)
2384
stream = source.get_record_stream(source.keys(), 'topological',
2386
files.insert_record_stream(stream)
2387
self.assertIdenticalVersionedFile(source, files)
2389
def test_insert_record_stream_existing_keys(self):
2390
"""Inserting keys already in a file should not error."""
2391
files = self.get_versionedfiles()
2392
source = self.get_versionedfiles('source')
2393
self.get_diamond_files(source)
2394
# insert some keys into f.
2395
self.get_diamond_files(files, left_only=True)
2396
stream = source.get_record_stream(source.keys(), 'topological',
2398
files.insert_record_stream(stream)
2399
self.assertIdenticalVersionedFile(source, files)
2401
def test_insert_record_stream_missing_keys(self):
2402
"""Inserting a stream with absent keys should raise an error."""
2403
files = self.get_versionedfiles()
2404
source = self.get_versionedfiles('source')
2405
stream = source.get_record_stream([('missing',) * self.key_length],
2406
'topological', False)
2407
self.assertRaises(errors.RevisionNotPresent, files.insert_record_stream,
2410
def test_insert_record_stream_out_of_order(self):
2411
"""An out of order stream can either error or work."""
2412
files = self.get_versionedfiles()
2413
source = self.get_versionedfiles('source')
2414
self.get_diamond_files(source)
2415
if self.key_length == 1:
2416
origin_keys = [('origin',)]
2417
end_keys = [('merged',), ('left',)]
2418
start_keys = [('right',), ('base',)]
2420
origin_keys = [('FileA', 'origin'), ('FileB', 'origin')]
2421
end_keys = [('FileA', 'merged',), ('FileA', 'left',),
2422
('FileB', 'merged',), ('FileB', 'left',)]
2423
start_keys = [('FileA', 'right',), ('FileA', 'base',),
2424
('FileB', 'right',), ('FileB', 'base',)]
2425
origin_entries = source.get_record_stream(origin_keys, 'unordered', False)
2426
end_entries = source.get_record_stream(end_keys, 'topological', False)
2427
start_entries = source.get_record_stream(start_keys, 'topological', False)
2428
entries = chain(origin_entries, end_entries, start_entries)
2430
files.insert_record_stream(entries)
2431
except RevisionNotPresent:
2432
# Must not have corrupted the file.
2435
self.assertIdenticalVersionedFile(source, files)
2437
def test_insert_record_stream_long_parent_chain_out_of_order(self):
2438
"""An out of order stream can either error or work."""
2440
raise TestNotApplicable('ancestry info only relevant with graph.')
2441
# Create a reasonably long chain of records based on each other, where
2442
# most will be deltas.
2443
source = self.get_versionedfiles('source')
2446
content = [('same same %d\n' % n) for n in range(500)]
2447
for letter in 'abcdefghijklmnopqrstuvwxyz':
2448
key = ('key-' + letter,)
2449
if self.key_length == 2:
2450
key = ('prefix',) + key
2451
content.append('content for ' + letter + '\n')
2452
source.add_lines(key, parents, content)
2455
# Create a stream of these records, excluding the first record that the
2456
# rest ultimately depend upon, and insert it into a new vf.
2458
for key in reversed(keys):
2459
streams.append(source.get_record_stream([key], 'unordered', False))
2460
deltas = chain(*streams[:-1])
2461
files = self.get_versionedfiles()
2463
files.insert_record_stream(deltas)
2464
except RevisionNotPresent:
2465
# Must not have corrupted the file.
2468
# Must only report either just the first key as a missing parent,
2469
# no key as missing (for nodelta scenarios).
2470
missing = set(files.get_missing_compression_parent_keys())
2471
missing.discard(keys[0])
2472
self.assertEqual(set(), missing)
2474
def get_knit_delta_source(self):
2475
"""Get a source that can produce a stream with knit delta records,
2476
regardless of this test's scenario.
2478
mapper = self.get_mapper()
2479
source_transport = self.get_transport('source')
2480
source_transport.mkdir('.')
2481
source = make_file_factory(False, mapper)(source_transport)
2482
get_diamond_files(source, self.key_length, trailing_eol=True,
2483
nograph=False, left_only=False)
2486
def test_insert_record_stream_delta_missing_basis_no_corruption(self):
2487
"""Insertion where a needed basis is not included notifies the caller
2488
of the missing basis. In the meantime a record missing its basis is
2491
source = self.get_knit_delta_source()
2492
keys = [self.get_simple_key('origin'), self.get_simple_key('merged')]
2493
entries = source.get_record_stream(keys, 'unordered', False)
2494
files = self.get_versionedfiles()
2495
if self.support_partial_insertion:
2496
self.assertEqual([],
2497
list(files.get_missing_compression_parent_keys()))
2498
files.insert_record_stream(entries)
2499
missing_bases = files.get_missing_compression_parent_keys()
2500
self.assertEqual(set([self.get_simple_key('left')]),
2502
self.assertEqual(set(keys), set(files.get_parent_map(keys)))
2505
errors.RevisionNotPresent, files.insert_record_stream, entries)
2508
def test_insert_record_stream_delta_missing_basis_can_be_added_later(self):
2509
"""Insertion where a needed basis is not included notifies the caller
2510
of the missing basis. That basis can be added in a second
2511
insert_record_stream call that does not need to repeat records present
2512
in the previous stream. The record(s) that required that basis are
2513
fully inserted once their basis is no longer missing.
2515
if not self.support_partial_insertion:
2516
raise TestNotApplicable(
2517
'versioned file scenario does not support partial insertion')
2518
source = self.get_knit_delta_source()
2519
entries = source.get_record_stream([self.get_simple_key('origin'),
2520
self.get_simple_key('merged')], 'unordered', False)
2521
files = self.get_versionedfiles()
2522
files.insert_record_stream(entries)
2523
missing_bases = files.get_missing_compression_parent_keys()
2524
self.assertEqual(set([self.get_simple_key('left')]),
2526
# 'merged' is inserted (although a commit of a write group involving
2527
# this versionedfiles would fail).
2528
merged_key = self.get_simple_key('merged')
2530
[merged_key], files.get_parent_map([merged_key]).keys())
2531
# Add the full delta closure of the missing records
2532
missing_entries = source.get_record_stream(
2533
missing_bases, 'unordered', True)
2534
files.insert_record_stream(missing_entries)
2535
# Now 'merged' is fully inserted (and a commit would succeed).
2536
self.assertEqual([], list(files.get_missing_compression_parent_keys()))
2538
[merged_key], files.get_parent_map([merged_key]).keys())
2541
def test_iter_lines_added_or_present_in_keys(self):
2542
# test that we get at least an equalset of the lines added by
2543
# versions in the store.
2544
# the ordering here is to make a tree so that dumb searches have
2545
# more changes to muck up.
2547
class InstrumentedProgress(progress.DummyProgress):
2551
progress.DummyProgress.__init__(self)
2554
def update(self, msg=None, current=None, total=None):
2555
self.updates.append((msg, current, total))
2557
files = self.get_versionedfiles()
2558
# add a base to get included
2559
files.add_lines(self.get_simple_key('base'), (), ['base\n'])
2560
# add a ancestor to be included on one side
2561
files.add_lines(self.get_simple_key('lancestor'), (), ['lancestor\n'])
2562
# add a ancestor to be included on the other side
2563
files.add_lines(self.get_simple_key('rancestor'),
2564
self.get_parents([self.get_simple_key('base')]), ['rancestor\n'])
2565
# add a child of rancestor with no eofile-nl
2566
files.add_lines(self.get_simple_key('child'),
2567
self.get_parents([self.get_simple_key('rancestor')]),
2568
['base\n', 'child\n'])
2569
# add a child of lancestor and base to join the two roots
2570
files.add_lines(self.get_simple_key('otherchild'),
2571
self.get_parents([self.get_simple_key('lancestor'),
2572
self.get_simple_key('base')]),
2573
['base\n', 'lancestor\n', 'otherchild\n'])
2574
def iter_with_keys(keys, expected):
2575
# now we need to see what lines are returned, and how often.
2577
progress = InstrumentedProgress()
2578
# iterate over the lines
2579
for line in files.iter_lines_added_or_present_in_keys(keys,
2581
lines.setdefault(line, 0)
2583
if []!= progress.updates:
2584
self.assertEqual(expected, progress.updates)
2586
lines = iter_with_keys(
2587
[self.get_simple_key('child'), self.get_simple_key('otherchild')],
2588
[('Walking content', 0, 2),
2589
('Walking content', 1, 2),
2590
('Walking content', 2, 2)])
2591
# we must see child and otherchild
2592
self.assertTrue(lines[('child\n', self.get_simple_key('child'))] > 0)
2594
lines[('otherchild\n', self.get_simple_key('otherchild'))] > 0)
2595
# we dont care if we got more than that.
2598
lines = iter_with_keys(files.keys(),
2599
[('Walking content', 0, 5),
2600
('Walking content', 1, 5),
2601
('Walking content', 2, 5),
2602
('Walking content', 3, 5),
2603
('Walking content', 4, 5),
2604
('Walking content', 5, 5)])
2605
# all lines must be seen at least once
2606
self.assertTrue(lines[('base\n', self.get_simple_key('base'))] > 0)
2608
lines[('lancestor\n', self.get_simple_key('lancestor'))] > 0)
2610
lines[('rancestor\n', self.get_simple_key('rancestor'))] > 0)
2611
self.assertTrue(lines[('child\n', self.get_simple_key('child'))] > 0)
2613
lines[('otherchild\n', self.get_simple_key('otherchild'))] > 0)
2615
def test_make_mpdiffs(self):
2616
from bzrlib import multiparent
2617
files = self.get_versionedfiles('source')
2618
# add texts that should trip the knit maximum delta chain threshold
2619
# as well as doing parallel chains of data in knits.
2620
# this is done by two chains of 25 insertions
2621
files.add_lines(self.get_simple_key('base'), [], ['line\n'])
2622
files.add_lines(self.get_simple_key('noeol'),
2623
self.get_parents([self.get_simple_key('base')]), ['line'])
2624
# detailed eol tests:
2625
# shared last line with parent no-eol
2626
files.add_lines(self.get_simple_key('noeolsecond'),
2627
self.get_parents([self.get_simple_key('noeol')]),
2629
# differing last line with parent, both no-eol
2630
files.add_lines(self.get_simple_key('noeolnotshared'),
2631
self.get_parents([self.get_simple_key('noeolsecond')]),
2632
['line\n', 'phone'])
2633
# add eol following a noneol parent, change content
2634
files.add_lines(self.get_simple_key('eol'),
2635
self.get_parents([self.get_simple_key('noeol')]), ['phone\n'])
2636
# add eol following a noneol parent, no change content
2637
files.add_lines(self.get_simple_key('eolline'),
2638
self.get_parents([self.get_simple_key('noeol')]), ['line\n'])
2639
# noeol with no parents:
2640
files.add_lines(self.get_simple_key('noeolbase'), [], ['line'])
2641
# noeol preceeding its leftmost parent in the output:
2642
# this is done by making it a merge of two parents with no common
2643
# anestry: noeolbase and noeol with the
2644
# later-inserted parent the leftmost.
2645
files.add_lines(self.get_simple_key('eolbeforefirstparent'),
2646
self.get_parents([self.get_simple_key('noeolbase'),
2647
self.get_simple_key('noeol')]),
2649
# two identical eol texts
2650
files.add_lines(self.get_simple_key('noeoldup'),
2651
self.get_parents([self.get_simple_key('noeol')]), ['line'])
2652
next_parent = self.get_simple_key('base')
2653
text_name = 'chain1-'
2655
sha1s = {0 :'da6d3141cb4a5e6f464bf6e0518042ddc7bfd079',
2656
1 :'45e21ea146a81ea44a821737acdb4f9791c8abe7',
2657
2 :'e1f11570edf3e2a070052366c582837a4fe4e9fa',
2658
3 :'26b4b8626da827088c514b8f9bbe4ebf181edda1',
2659
4 :'e28a5510be25ba84d31121cff00956f9970ae6f6',
2660
5 :'d63ec0ce22e11dcf65a931b69255d3ac747a318d',
2661
6 :'2c2888d288cb5e1d98009d822fedfe6019c6a4ea',
2662
7 :'95c14da9cafbf828e3e74a6f016d87926ba234ab',
2663
8 :'779e9a0b28f9f832528d4b21e17e168c67697272',
2664
9 :'1f8ff4e5c6ff78ac106fcfe6b1e8cb8740ff9a8f',
2665
10:'131a2ae712cf51ed62f143e3fbac3d4206c25a05',
2666
11:'c5a9d6f520d2515e1ec401a8f8a67e6c3c89f199',
2667
12:'31a2286267f24d8bedaa43355f8ad7129509ea85',
2668
13:'dc2a7fe80e8ec5cae920973973a8ee28b2da5e0a',
2669
14:'2c4b1736566b8ca6051e668de68650686a3922f2',
2670
15:'5912e4ecd9b0c07be4d013e7e2bdcf9323276cde',
2671
16:'b0d2e18d3559a00580f6b49804c23fea500feab3',
2672
17:'8e1d43ad72f7562d7cb8f57ee584e20eb1a69fc7',
2673
18:'5cf64a3459ae28efa60239e44b20312d25b253f3',
2674
19:'1ebed371807ba5935958ad0884595126e8c4e823',
2675
20:'2aa62a8b06fb3b3b892a3292a068ade69d5ee0d3',
2676
21:'01edc447978004f6e4e962b417a4ae1955b6fe5d',
2677
22:'d8d8dc49c4bf0bab401e0298bb5ad827768618bb',
2678
23:'c21f62b1c482862983a8ffb2b0c64b3451876e3f',
2679
24:'c0593fe795e00dff6b3c0fe857a074364d5f04fc',
2680
25:'dd1a1cf2ba9cc225c3aff729953e6364bf1d1855',
2682
for depth in range(26):
2683
new_version = self.get_simple_key(text_name + '%s' % depth)
2684
text = text + ['line\n']
2685
files.add_lines(new_version, self.get_parents([next_parent]), text)
2686
next_parent = new_version
2687
next_parent = self.get_simple_key('base')
2688
text_name = 'chain2-'
2690
for depth in range(26):
2691
new_version = self.get_simple_key(text_name + '%s' % depth)
2692
text = text + ['line\n']
2693
files.add_lines(new_version, self.get_parents([next_parent]), text)
2694
next_parent = new_version
2695
target = self.get_versionedfiles('target')
2696
for key in multiparent.topo_iter_keys(files, files.keys()):
2697
mpdiff = files.make_mpdiffs([key])[0]
2698
parents = files.get_parent_map([key])[key] or []
2700
[(key, parents, files.get_sha1s([key])[key], mpdiff)])
2701
self.assertEqualDiff(
2702
files.get_record_stream([key], 'unordered',
2703
True).next().get_bytes_as('fulltext'),
2704
target.get_record_stream([key], 'unordered',
2705
True).next().get_bytes_as('fulltext')
2708
def test_keys(self):
2709
# While use is discouraged, versions() is still needed by aspects of
2711
files = self.get_versionedfiles()
2712
self.assertEqual(set(), set(files.keys()))
2713
if self.key_length == 1:
2716
key = ('foo', 'bar',)
2717
files.add_lines(key, (), [])
2718
self.assertEqual(set([key]), set(files.keys()))
2721
class VirtualVersionedFilesTests(TestCase):
2722
"""Basic tests for the VirtualVersionedFiles implementations."""
2724
def _get_parent_map(self, keys):
2727
if k in self._parent_map:
2728
ret[k] = self._parent_map[k]
2732
TestCase.setUp(self)
2734
self._parent_map = {}
2735
self.texts = VirtualVersionedFiles(self._get_parent_map,
2738
def test_add_lines(self):
2739
self.assertRaises(NotImplementedError,
2740
self.texts.add_lines, "foo", [], [])
2742
def test_add_mpdiffs(self):
2743
self.assertRaises(NotImplementedError,
2744
self.texts.add_mpdiffs, [])
2746
def test_check_noerrors(self):
2749
def test_insert_record_stream(self):
2750
self.assertRaises(NotImplementedError, self.texts.insert_record_stream,
2753
def test_get_sha1s_nonexistent(self):
2754
self.assertEquals({}, self.texts.get_sha1s([("NONEXISTENT",)]))
2756
def test_get_sha1s(self):
2757
self._lines["key"] = ["dataline1", "dataline2"]
2758
self.assertEquals({("key",): osutils.sha_strings(self._lines["key"])},
2759
self.texts.get_sha1s([("key",)]))
2761
def test_get_parent_map(self):
2762
self._parent_map = {"G": ("A", "B")}
2763
self.assertEquals({("G",): (("A",),("B",))},
2764
self.texts.get_parent_map([("G",), ("L",)]))
2766
def test_get_record_stream(self):
2767
self._lines["A"] = ["FOO", "BAR"]
2768
it = self.texts.get_record_stream([("A",)], "unordered", True)
2770
self.assertEquals("chunked", record.storage_kind)
2771
self.assertEquals("FOOBAR", record.get_bytes_as("fulltext"))
2772
self.assertEquals(["FOO", "BAR"], record.get_bytes_as("chunked"))
2774
def test_get_record_stream_absent(self):
2775
it = self.texts.get_record_stream([("A",)], "unordered", True)
2777
self.assertEquals("absent", record.storage_kind)
2779
def test_iter_lines_added_or_present_in_keys(self):
2780
self._lines["A"] = ["FOO", "BAR"]
2781
self._lines["B"] = ["HEY"]
2782
self._lines["C"] = ["Alberta"]
2783
it = self.texts.iter_lines_added_or_present_in_keys([("A",), ("B",)])
2784
self.assertEquals(sorted([("FOO", "A"), ("BAR", "A"), ("HEY", "B")]),
2788
class TestOrderingVersionedFilesDecorator(TestCaseWithMemoryTransport):
2790
def get_ordering_vf(self, key_priority):
2791
builder = self.make_branch_builder('test')
2792
builder.start_series()
2793
builder.build_snapshot('A', None, [
2794
('add', ('', 'TREE_ROOT', 'directory', None))])
2795
builder.build_snapshot('B', ['A'], [])
2796
builder.build_snapshot('C', ['B'], [])
2797
builder.build_snapshot('D', ['C'], [])
2798
builder.finish_series()
2799
b = builder.get_branch()
2801
self.addCleanup(b.unlock)
2802
vf = b.repository.inventories
2803
return versionedfile.OrderingVersionedFilesDecorator(vf, key_priority)
2805
def test_get_empty(self):
2806
vf = self.get_ordering_vf({})
2807
self.assertEqual([], vf.calls)
2809
def test_get_record_stream_topological(self):
2810
vf = self.get_ordering_vf({('A',): 3, ('B',): 2, ('C',): 4, ('D',): 1})
2811
request_keys = [('B',), ('C',), ('D',), ('A',)]
2812
keys = [r.key for r in vf.get_record_stream(request_keys,
2813
'topological', False)]
2814
# We should have gotten the keys in topological order
2815
self.assertEqual([('A',), ('B',), ('C',), ('D',)], keys)
2816
# And recorded that the request was made
2817
self.assertEqual([('get_record_stream', request_keys, 'topological',
2820
def test_get_record_stream_ordered(self):
2821
vf = self.get_ordering_vf({('A',): 3, ('B',): 2, ('C',): 4, ('D',): 1})
2822
request_keys = [('B',), ('C',), ('D',), ('A',)]
2823
keys = [r.key for r in vf.get_record_stream(request_keys,
2824
'unordered', False)]
2825
# They should be returned based on their priority
2826
self.assertEqual([('D',), ('B',), ('A',), ('C',)], keys)
2827
# And the request recorded
2828
self.assertEqual([('get_record_stream', request_keys, 'unordered',
2831
def test_get_record_stream_implicit_order(self):
2832
vf = self.get_ordering_vf({('B',): 2, ('D',): 1})
2833
request_keys = [('B',), ('C',), ('D',), ('A',)]
2834
keys = [r.key for r in vf.get_record_stream(request_keys,
2835
'unordered', False)]
2836
# A and C are not in the map, so they get sorted to the front. A comes
2837
# before C alphabetically, so it comes back first
2838
self.assertEqual([('A',), ('C',), ('D',), ('B',)], keys)
2839
# And the request recorded
2840
self.assertEqual([('get_record_stream', request_keys, 'unordered',
added
removed
bzrlib/tests/per_versionedfile.py
