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# Copyright (C) 2005, 2006, 2007 Canonical Ltd
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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"""Tests for Knit data structure"""
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from cStringIO import StringIO
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from bzrlib.errors import (
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RevisionAlreadyPresent,
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from bzrlib.index import *
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from bzrlib.knit import (
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from bzrlib.osutils import split_lines
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from bzrlib.tests import (
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TestCaseWithMemoryTransport,
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TestCaseWithTransport,
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from bzrlib.transport import TransportLogger, get_transport
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from bzrlib.transport.memory import MemoryTransport
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from bzrlib.util import bencode
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from bzrlib.weave import Weave
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class _CompiledKnitFeature(Feature):
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import bzrlib._knit_load_data_c
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def feature_name(self):
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return 'bzrlib._knit_load_data_c'
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CompiledKnitFeature = _CompiledKnitFeature()
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class KnitContentTestsMixin(object):
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def test_constructor(self):
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content = self._make_content([])
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content = self._make_content([])
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self.assertEqual(content.text(), [])
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content = self._make_content([("origin1", "text1"), ("origin2", "text2")])
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self.assertEqual(content.text(), ["text1", "text2"])
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content = self._make_content([("origin1", "text1"), ("origin2", "text2")])
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self.assertIsInstance(copy, content.__class__)
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self.assertEqual(copy.annotate(), content.annotate())
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def assertDerivedBlocksEqual(self, source, target, noeol=False):
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"""Assert that the derived matching blocks match real output"""
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source_lines = source.splitlines(True)
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target_lines = target.splitlines(True)
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if noeol and not line.endswith('\n'):
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source_content = self._make_content([(None, nl(l)) for l in source_lines])
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target_content = self._make_content([(None, nl(l)) for l in target_lines])
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line_delta = source_content.line_delta(target_content)
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delta_blocks = list(KnitContent.get_line_delta_blocks(line_delta,
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source_lines, target_lines))
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matcher = KnitSequenceMatcher(None, source_lines, target_lines)
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matcher_blocks = list(list(matcher.get_matching_blocks()))
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self.assertEqual(matcher_blocks, delta_blocks)
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def test_get_line_delta_blocks(self):
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self.assertDerivedBlocksEqual('a\nb\nc\n', 'q\nc\n')
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self.assertDerivedBlocksEqual(TEXT_1, TEXT_1)
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self.assertDerivedBlocksEqual(TEXT_1, TEXT_1A)
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self.assertDerivedBlocksEqual(TEXT_1, TEXT_1B)
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self.assertDerivedBlocksEqual(TEXT_1B, TEXT_1A)
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self.assertDerivedBlocksEqual(TEXT_1A, TEXT_1B)
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self.assertDerivedBlocksEqual(TEXT_1A, '')
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self.assertDerivedBlocksEqual('', TEXT_1A)
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self.assertDerivedBlocksEqual('', '')
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self.assertDerivedBlocksEqual('a\nb\nc', 'a\nb\nc\nd')
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def test_get_line_delta_blocks_noeol(self):
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"""Handle historical knit deltas safely
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Some existing knit deltas don't consider the last line to differ
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when the only difference whether it has a final newline.
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New knit deltas appear to always consider the last line to differ
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self.assertDerivedBlocksEqual('a\nb\nc', 'a\nb\nc\nd\n', noeol=True)
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self.assertDerivedBlocksEqual('a\nb\nc\nd\n', 'a\nb\nc', noeol=True)
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self.assertDerivedBlocksEqual('a\nb\nc\n', 'a\nb\nc', noeol=True)
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self.assertDerivedBlocksEqual('a\nb\nc', 'a\nb\nc\n', noeol=True)
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class TestPlainKnitContent(TestCase, KnitContentTestsMixin):
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def _make_content(self, lines):
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annotated_content = AnnotatedKnitContent(lines)
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return PlainKnitContent(annotated_content.text(), 'bogus')
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def test_annotate(self):
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content = self._make_content([])
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self.assertEqual(content.annotate(), [])
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content = self._make_content([("origin1", "text1"), ("origin2", "text2")])
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self.assertEqual(content.annotate(),
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[("bogus", "text1"), ("bogus", "text2")])
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def test_annotate_iter(self):
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content = self._make_content([])
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it = content.annotate_iter()
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self.assertRaises(StopIteration, it.next)
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content = self._make_content([("bogus", "text1"), ("bogus", "text2")])
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it = content.annotate_iter()
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self.assertEqual(it.next(), ("bogus", "text1"))
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self.assertEqual(it.next(), ("bogus", "text2"))
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self.assertRaises(StopIteration, it.next)
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def test_line_delta(self):
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content1 = self._make_content([("", "a"), ("", "b")])
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content2 = self._make_content([("", "a"), ("", "a"), ("", "c")])
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self.assertEqual(content1.line_delta(content2),
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[(1, 2, 2, ["a", "c"])])
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def test_line_delta_iter(self):
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content1 = self._make_content([("", "a"), ("", "b")])
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content2 = self._make_content([("", "a"), ("", "a"), ("", "c")])
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it = content1.line_delta_iter(content2)
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self.assertEqual(it.next(), (1, 2, 2, ["a", "c"]))
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self.assertRaises(StopIteration, it.next)
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class TestAnnotatedKnitContent(TestCase, KnitContentTestsMixin):
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def _make_content(self, lines):
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return AnnotatedKnitContent(lines)
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def test_annotate(self):
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content = self._make_content([])
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self.assertEqual(content.annotate(), [])
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content = self._make_content([("origin1", "text1"), ("origin2", "text2")])
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self.assertEqual(content.annotate(),
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[("origin1", "text1"), ("origin2", "text2")])
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def test_annotate_iter(self):
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content = self._make_content([])
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it = content.annotate_iter()
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self.assertRaises(StopIteration, it.next)
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content = self._make_content([("origin1", "text1"), ("origin2", "text2")])
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it = content.annotate_iter()
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self.assertEqual(it.next(), ("origin1", "text1"))
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self.assertEqual(it.next(), ("origin2", "text2"))
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self.assertRaises(StopIteration, it.next)
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def test_line_delta(self):
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content1 = self._make_content([("", "a"), ("", "b")])
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content2 = self._make_content([("", "a"), ("", "a"), ("", "c")])
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self.assertEqual(content1.line_delta(content2),
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[(1, 2, 2, [("", "a"), ("", "c")])])
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def test_line_delta_iter(self):
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content1 = self._make_content([("", "a"), ("", "b")])
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content2 = self._make_content([("", "a"), ("", "a"), ("", "c")])
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it = content1.line_delta_iter(content2)
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self.assertEqual(it.next(), (1, 2, 2, [("", "a"), ("", "c")]))
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self.assertRaises(StopIteration, it.next)
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class MockTransport(object):
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def __init__(self, file_lines=None):
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self.file_lines = file_lines
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# We have no base directory for the MockTransport
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def get(self, filename):
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if self.file_lines is None:
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raise NoSuchFile(filename)
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return StringIO("\n".join(self.file_lines))
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def readv(self, relpath, offsets):
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fp = self.get(relpath)
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for offset, size in offsets:
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yield offset, fp.read(size)
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def __getattr__(self, name):
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def queue_call(*args, **kwargs):
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self.calls.append((name, args, kwargs))
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class KnitRecordAccessTestsMixin(object):
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"""Tests for getting and putting knit records."""
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def assertAccessExists(self, access):
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"""Ensure the data area for access has been initialised/exists."""
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raise NotImplementedError(self.assertAccessExists)
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def test_add_raw_records(self):
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"""Add_raw_records adds records retrievable later."""
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access = self.get_access()
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memos = access.add_raw_records([10], '1234567890')
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self.assertEqual(['1234567890'], list(access.get_raw_records(memos)))
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def test_add_several_raw_records(self):
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"""add_raw_records with many records and read some back."""
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access = self.get_access()
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memos = access.add_raw_records([10, 2, 5], '12345678901234567')
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self.assertEqual(['1234567890', '12', '34567'],
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list(access.get_raw_records(memos)))
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self.assertEqual(['1234567890'],
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list(access.get_raw_records(memos[0:1])))
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self.assertEqual(['12'],
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list(access.get_raw_records(memos[1:2])))
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self.assertEqual(['34567'],
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list(access.get_raw_records(memos[2:3])))
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self.assertEqual(['1234567890', '34567'],
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list(access.get_raw_records(memos[0:1] + memos[2:3])))
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def test_create(self):
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"""create() should make a file on disk."""
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access = self.get_access()
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self.assertAccessExists(access)
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def test_open_file(self):
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"""open_file never errors."""
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access = self.get_access()
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class TestKnitKnitAccess(TestCaseWithMemoryTransport, KnitRecordAccessTestsMixin):
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"""Tests for the .kndx implementation."""
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def assertAccessExists(self, access):
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self.assertNotEqual(None, access.open_file())
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def get_access(self):
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"""Get a .knit style access instance."""
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access = _KnitAccess(self.get_transport(), "foo.knit", None, None,
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class TestPackKnitAccess(TestCaseWithMemoryTransport, KnitRecordAccessTestsMixin):
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"""Tests for the pack based access."""
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def assertAccessExists(self, access):
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# as pack based access has no backing unless an index maps data, this
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def get_access(self):
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return self._get_access()[0]
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def _get_access(self, packname='packfile', index='FOO'):
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transport = self.get_transport()
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def write_data(bytes):
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transport.append_bytes(packname, bytes)
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writer = pack.ContainerWriter(write_data)
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indices = {index:(transport, packname)}
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access = _PackAccess(indices, writer=(writer, index))
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return access, writer
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def test_read_from_several_packs(self):
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access, writer = self._get_access()
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memos.extend(access.add_raw_records([10], '1234567890'))
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access, writer = self._get_access('pack2', 'FOOBAR')
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memos.extend(access.add_raw_records([5], '12345'))
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access, writer = self._get_access('pack3', 'BAZ')
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memos.extend(access.add_raw_records([5], 'alpha'))
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transport = self.get_transport()
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access = _PackAccess({"FOO":(transport, 'packfile'),
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"FOOBAR":(transport, 'pack2'),
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"BAZ":(transport, 'pack3')})
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self.assertEqual(['1234567890', '12345', 'alpha'],
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list(access.get_raw_records(memos)))
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self.assertEqual(['1234567890'],
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list(access.get_raw_records(memos[0:1])))
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self.assertEqual(['12345'],
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list(access.get_raw_records(memos[1:2])))
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self.assertEqual(['alpha'],
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list(access.get_raw_records(memos[2:3])))
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self.assertEqual(['1234567890', 'alpha'],
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list(access.get_raw_records(memos[0:1] + memos[2:3])))
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def test_set_writer(self):
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"""The writer should be settable post construction."""
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access = _PackAccess({})
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transport = self.get_transport()
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packname = 'packfile'
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def write_data(bytes):
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transport.append_bytes(packname, bytes)
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writer = pack.ContainerWriter(write_data)
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access.set_writer(writer, index, (transport, packname))
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memos = access.add_raw_records([10], '1234567890')
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self.assertEqual(['1234567890'], list(access.get_raw_records(memos)))
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class LowLevelKnitDataTests(TestCase):
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def create_gz_content(self, text):
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gz_file = gzip.GzipFile(mode='wb', fileobj=sio)
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return sio.getvalue()
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def test_valid_knit_data(self):
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sha1sum = sha.new('foo\nbar\n').hexdigest()
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gz_txt = self.create_gz_content('version rev-id-1 2 %s\n'
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transport = MockTransport([gz_txt])
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access = _KnitAccess(transport, 'filename', None, None, False, False)
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data = _KnitData(access=access)
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records = [('rev-id-1', (None, 0, len(gz_txt)))]
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contents = data.read_records(records)
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self.assertEqual({'rev-id-1':(['foo\n', 'bar\n'], sha1sum)}, contents)
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raw_contents = list(data.read_records_iter_raw(records))
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self.assertEqual([('rev-id-1', gz_txt)], raw_contents)
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def test_not_enough_lines(self):
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sha1sum = sha.new('foo\n').hexdigest()
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# record says 2 lines data says 1
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gz_txt = self.create_gz_content('version rev-id-1 2 %s\n'
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transport = MockTransport([gz_txt])
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access = _KnitAccess(transport, 'filename', None, None, False, False)
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data = _KnitData(access=access)
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records = [('rev-id-1', (None, 0, len(gz_txt)))]
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self.assertRaises(errors.KnitCorrupt, data.read_records, records)
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# read_records_iter_raw won't detect that sort of mismatch/corruption
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raw_contents = list(data.read_records_iter_raw(records))
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self.assertEqual([('rev-id-1', gz_txt)], raw_contents)
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def test_too_many_lines(self):
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sha1sum = sha.new('foo\nbar\n').hexdigest()
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# record says 1 lines data says 2
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gz_txt = self.create_gz_content('version rev-id-1 1 %s\n'
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transport = MockTransport([gz_txt])
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access = _KnitAccess(transport, 'filename', None, None, False, False)
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data = _KnitData(access=access)
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records = [('rev-id-1', (None, 0, len(gz_txt)))]
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self.assertRaises(errors.KnitCorrupt, data.read_records, records)
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# read_records_iter_raw won't detect that sort of mismatch/corruption
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raw_contents = list(data.read_records_iter_raw(records))
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self.assertEqual([('rev-id-1', gz_txt)], raw_contents)
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def test_mismatched_version_id(self):
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sha1sum = sha.new('foo\nbar\n').hexdigest()
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gz_txt = self.create_gz_content('version rev-id-1 2 %s\n'
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transport = MockTransport([gz_txt])
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access = _KnitAccess(transport, 'filename', None, None, False, False)
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data = _KnitData(access=access)
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# We are asking for rev-id-2, but the data is rev-id-1
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records = [('rev-id-2', (None, 0, len(gz_txt)))]
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self.assertRaises(errors.KnitCorrupt, data.read_records, records)
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# read_records_iter_raw will notice if we request the wrong version.
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self.assertRaises(errors.KnitCorrupt, list,
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data.read_records_iter_raw(records))
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def test_uncompressed_data(self):
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sha1sum = sha.new('foo\nbar\n').hexdigest()
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txt = ('version rev-id-1 2 %s\n'
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transport = MockTransport([txt])
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access = _KnitAccess(transport, 'filename', None, None, False, False)
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data = _KnitData(access=access)
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records = [('rev-id-1', (None, 0, len(txt)))]
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# We don't have valid gzip data ==> corrupt
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self.assertRaises(errors.KnitCorrupt, data.read_records, records)
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# read_records_iter_raw will notice the bad data
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self.assertRaises(errors.KnitCorrupt, list,
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data.read_records_iter_raw(records))
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def test_corrupted_data(self):
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sha1sum = sha.new('foo\nbar\n').hexdigest()
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gz_txt = self.create_gz_content('version rev-id-1 2 %s\n'
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# Change 2 bytes in the middle to \xff
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gz_txt = gz_txt[:10] + '\xff\xff' + gz_txt[12:]
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transport = MockTransport([gz_txt])
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access = _KnitAccess(transport, 'filename', None, None, False, False)
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data = _KnitData(access=access)
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records = [('rev-id-1', (None, 0, len(gz_txt)))]
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self.assertRaises(errors.KnitCorrupt, data.read_records, records)
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# read_records_iter_raw will notice if we request the wrong version.
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self.assertRaises(errors.KnitCorrupt, list,
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data.read_records_iter_raw(records))
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class LowLevelKnitIndexTests(TestCase):
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def get_knit_index(self, *args, **kwargs):
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orig = knit._load_data
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knit._load_data = orig
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self.addCleanup(reset)
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from bzrlib._knit_load_data_py import _load_data_py
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knit._load_data = _load_data_py
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return _KnitIndex(*args, **kwargs)
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def test_no_such_file(self):
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transport = MockTransport()
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self.assertRaises(NoSuchFile, self.get_knit_index,
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transport, "filename", "r")
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self.assertRaises(NoSuchFile, self.get_knit_index,
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transport, "filename", "w", create=False)
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def test_create_file(self):
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transport = MockTransport()
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index = self.get_knit_index(transport, "filename", "w",
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file_mode="wb", create=True)
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("put_bytes_non_atomic",
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("filename", index.HEADER), {"mode": "wb"}),
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transport.calls.pop(0))
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def test_delay_create_file(self):
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transport = MockTransport()
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index = self.get_knit_index(transport, "filename", "w",
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create=True, file_mode="wb", create_parent_dir=True,
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delay_create=True, dir_mode=0777)
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self.assertEqual([], transport.calls)
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index.add_versions([])
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name, (filename, f), kwargs = transport.calls.pop(0)
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self.assertEqual("put_file_non_atomic", name)
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{"dir_mode": 0777, "create_parent_dir": True, "mode": "wb"},
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self.assertEqual("filename", filename)
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self.assertEqual(index.HEADER, f.read())
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index.add_versions([])
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self.assertEqual(("append_bytes", ("filename", ""), {}),
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transport.calls.pop(0))
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def test_read_utf8_version_id(self):
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unicode_revision_id = u"version-\N{CYRILLIC CAPITAL LETTER A}"
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utf8_revision_id = unicode_revision_id.encode('utf-8')
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transport = MockTransport([
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'%s option 0 1 :' % (utf8_revision_id,)
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index = self.get_knit_index(transport, "filename", "r")
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# _KnitIndex is a private class, and deals in utf8 revision_ids, not
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# Unicode revision_ids.
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self.assertTrue(index.has_version(utf8_revision_id))
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self.assertFalse(index.has_version(unicode_revision_id))
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def test_read_utf8_parents(self):
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unicode_revision_id = u"version-\N{CYRILLIC CAPITAL LETTER A}"
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utf8_revision_id = unicode_revision_id.encode('utf-8')
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transport = MockTransport([
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"version option 0 1 .%s :" % (utf8_revision_id,)
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index = self.get_knit_index(transport, "filename", "r")
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self.assertEqual([utf8_revision_id],
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index.get_parents_with_ghosts("version"))
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def test_read_ignore_corrupted_lines(self):
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transport = MockTransport([
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"corrupted options 0 1 .b .c ",
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"version options 0 1 :"
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index = self.get_knit_index(transport, "filename", "r")
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self.assertEqual(1, index.num_versions())
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self.assertTrue(index.has_version("version"))
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def test_read_corrupted_header(self):
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transport = MockTransport(['not a bzr knit index header\n'])
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self.assertRaises(KnitHeaderError,
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self.get_knit_index, transport, "filename", "r")
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def test_read_duplicate_entries(self):
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transport = MockTransport([
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"parent options 0 1 :",
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"version options1 0 1 0 :",
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"version options2 1 2 .other :",
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"version options3 3 4 0 .other :"
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index = self.get_knit_index(transport, "filename", "r")
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self.assertEqual(2, index.num_versions())
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# check that the index used is the first one written. (Specific
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# to KnitIndex style indices.
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self.assertEqual("1", index._version_list_to_index(["version"]))
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self.assertEqual((None, 3, 4), index.get_position("version"))
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self.assertEqual(["options3"], index.get_options("version"))
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self.assertEqual(["parent", "other"],
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index.get_parents_with_ghosts("version"))
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def test_read_compressed_parents(self):
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transport = MockTransport([
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"c option 0 1 1 0 :",
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index = self.get_knit_index(transport, "filename", "r")
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self.assertEqual(["a"], index.get_parents("b"))
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self.assertEqual(["b", "a"], index.get_parents("c"))
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def test_write_utf8_version_id(self):
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unicode_revision_id = u"version-\N{CYRILLIC CAPITAL LETTER A}"
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utf8_revision_id = unicode_revision_id.encode('utf-8')
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transport = MockTransport([
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index = self.get_knit_index(transport, "filename", "r")
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index.add_version(utf8_revision_id, ["option"], (None, 0, 1), [])
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self.assertEqual(("append_bytes", ("filename",
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"\n%s option 0 1 :" % (utf8_revision_id,)),
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transport.calls.pop(0))
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def test_write_utf8_parents(self):
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unicode_revision_id = u"version-\N{CYRILLIC CAPITAL LETTER A}"
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utf8_revision_id = unicode_revision_id.encode('utf-8')
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transport = MockTransport([
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index = self.get_knit_index(transport, "filename", "r")
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index.add_version("version", ["option"], (None, 0, 1), [utf8_revision_id])
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self.assertEqual(("append_bytes", ("filename",
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"\nversion option 0 1 .%s :" % (utf8_revision_id,)),
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transport.calls.pop(0))
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def test_get_graph(self):
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transport = MockTransport()
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index = self.get_knit_index(transport, "filename", "w", create=True)
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self.assertEqual([], index.get_graph())
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index.add_version("a", ["option"], (None, 0, 1), ["b"])
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self.assertEqual([("a", ["b"])], index.get_graph())
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index.add_version("c", ["option"], (None, 0, 1), ["d"])
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self.assertEqual([("a", ["b"]), ("c", ["d"])],
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sorted(index.get_graph()))
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def test_get_ancestry(self):
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transport = MockTransport([
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"b option 0 1 0 .e :",
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"c option 0 1 1 0 :",
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"d option 0 1 2 .f :"
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index = self.get_knit_index(transport, "filename", "r")
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self.assertEqual([], index.get_ancestry([]))
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self.assertEqual(["a"], index.get_ancestry(["a"]))
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self.assertEqual(["a", "b"], index.get_ancestry(["b"]))
653
self.assertEqual(["a", "b", "c"], index.get_ancestry(["c"]))
654
self.assertEqual(["a", "b", "c", "d"], index.get_ancestry(["d"]))
655
self.assertEqual(["a", "b"], index.get_ancestry(["a", "b"]))
656
self.assertEqual(["a", "b", "c"], index.get_ancestry(["a", "c"]))
658
self.assertRaises(RevisionNotPresent, index.get_ancestry, ["e"])
660
def test_get_ancestry_with_ghosts(self):
661
transport = MockTransport([
664
"b option 0 1 0 .e :",
665
"c option 0 1 0 .f .g :",
666
"d option 0 1 2 .h .j .k :"
668
index = self.get_knit_index(transport, "filename", "r")
670
self.assertEqual([], index.get_ancestry_with_ghosts([]))
671
self.assertEqual(["a"], index.get_ancestry_with_ghosts(["a"]))
672
self.assertEqual(["a", "e", "b"],
673
index.get_ancestry_with_ghosts(["b"]))
674
self.assertEqual(["a", "g", "f", "c"],
675
index.get_ancestry_with_ghosts(["c"]))
676
self.assertEqual(["a", "g", "f", "c", "k", "j", "h", "d"],
677
index.get_ancestry_with_ghosts(["d"]))
678
self.assertEqual(["a", "e", "b"],
679
index.get_ancestry_with_ghosts(["a", "b"]))
680
self.assertEqual(["a", "g", "f", "c"],
681
index.get_ancestry_with_ghosts(["a", "c"]))
683
["a", "g", "f", "c", "e", "b", "k", "j", "h", "d"],
684
index.get_ancestry_with_ghosts(["b", "d"]))
686
self.assertRaises(RevisionNotPresent,
687
index.get_ancestry_with_ghosts, ["e"])
689
def test_iter_parents(self):
690
transport = MockTransport()
691
index = self.get_knit_index(transport, "filename", "w", create=True)
693
index.add_version('r0', ['option'], (None, 0, 1), [])
695
index.add_version('r1', ['option'], (None, 0, 1), ['r0'])
697
index.add_version('r2', ['option'], (None, 0, 1), ['r1', 'r0'])
699
# cases: each sample data individually:
700
self.assertEqual(set([('r0', ())]),
701
set(index.iter_parents(['r0'])))
702
self.assertEqual(set([('r1', ('r0', ))]),
703
set(index.iter_parents(['r1'])))
704
self.assertEqual(set([('r2', ('r1', 'r0'))]),
705
set(index.iter_parents(['r2'])))
706
# no nodes returned for a missing node
707
self.assertEqual(set(),
708
set(index.iter_parents(['missing'])))
709
# 1 node returned with missing nodes skipped
710
self.assertEqual(set([('r1', ('r0', ))]),
711
set(index.iter_parents(['ghost1', 'r1', 'ghost'])))
713
self.assertEqual(set([('r0', ()), ('r1', ('r0', ))]),
714
set(index.iter_parents(['r0', 'r1'])))
715
# 2 nodes returned, missing skipped
716
self.assertEqual(set([('r0', ()), ('r1', ('r0', ))]),
717
set(index.iter_parents(['a', 'r0', 'b', 'r1', 'c'])))
719
def test_num_versions(self):
720
transport = MockTransport([
723
index = self.get_knit_index(transport, "filename", "r")
725
self.assertEqual(0, index.num_versions())
726
self.assertEqual(0, len(index))
728
index.add_version("a", ["option"], (None, 0, 1), [])
729
self.assertEqual(1, index.num_versions())
730
self.assertEqual(1, len(index))
732
index.add_version("a", ["option2"], (None, 1, 2), [])
733
self.assertEqual(1, index.num_versions())
734
self.assertEqual(1, len(index))
736
index.add_version("b", ["option"], (None, 0, 1), [])
737
self.assertEqual(2, index.num_versions())
738
self.assertEqual(2, len(index))
740
def test_get_versions(self):
741
transport = MockTransport([
744
index = self.get_knit_index(transport, "filename", "r")
746
self.assertEqual([], index.get_versions())
748
index.add_version("a", ["option"], (None, 0, 1), [])
749
self.assertEqual(["a"], index.get_versions())
751
index.add_version("a", ["option"], (None, 0, 1), [])
752
self.assertEqual(["a"], index.get_versions())
754
index.add_version("b", ["option"], (None, 0, 1), [])
755
self.assertEqual(["a", "b"], index.get_versions())
757
def test_add_version(self):
758
transport = MockTransport([
761
index = self.get_knit_index(transport, "filename", "r")
763
index.add_version("a", ["option"], (None, 0, 1), ["b"])
764
self.assertEqual(("append_bytes",
765
("filename", "\na option 0 1 .b :"),
766
{}), transport.calls.pop(0))
767
self.assertTrue(index.has_version("a"))
768
self.assertEqual(1, index.num_versions())
769
self.assertEqual((None, 0, 1), index.get_position("a"))
770
self.assertEqual(["option"], index.get_options("a"))
771
self.assertEqual(["b"], index.get_parents_with_ghosts("a"))
773
index.add_version("a", ["opt"], (None, 1, 2), ["c"])
774
self.assertEqual(("append_bytes",
775
("filename", "\na opt 1 2 .c :"),
776
{}), transport.calls.pop(0))
777
self.assertTrue(index.has_version("a"))
778
self.assertEqual(1, index.num_versions())
779
self.assertEqual((None, 1, 2), index.get_position("a"))
780
self.assertEqual(["opt"], index.get_options("a"))
781
self.assertEqual(["c"], index.get_parents_with_ghosts("a"))
783
index.add_version("b", ["option"], (None, 2, 3), ["a"])
784
self.assertEqual(("append_bytes",
785
("filename", "\nb option 2 3 0 :"),
786
{}), transport.calls.pop(0))
787
self.assertTrue(index.has_version("b"))
788
self.assertEqual(2, index.num_versions())
789
self.assertEqual((None, 2, 3), index.get_position("b"))
790
self.assertEqual(["option"], index.get_options("b"))
791
self.assertEqual(["a"], index.get_parents_with_ghosts("b"))
793
def test_add_versions(self):
794
transport = MockTransport([
797
index = self.get_knit_index(transport, "filename", "r")
800
("a", ["option"], (None, 0, 1), ["b"]),
801
("a", ["opt"], (None, 1, 2), ["c"]),
802
("b", ["option"], (None, 2, 3), ["a"])
804
self.assertEqual(("append_bytes", ("filename",
805
"\na option 0 1 .b :"
808
), {}), transport.calls.pop(0))
809
self.assertTrue(index.has_version("a"))
810
self.assertTrue(index.has_version("b"))
811
self.assertEqual(2, index.num_versions())
812
self.assertEqual((None, 1, 2), index.get_position("a"))
813
self.assertEqual((None, 2, 3), index.get_position("b"))
814
self.assertEqual(["opt"], index.get_options("a"))
815
self.assertEqual(["option"], index.get_options("b"))
816
self.assertEqual(["c"], index.get_parents_with_ghosts("a"))
817
self.assertEqual(["a"], index.get_parents_with_ghosts("b"))
819
def test_add_versions_random_id_is_accepted(self):
820
transport = MockTransport([
823
index = self.get_knit_index(transport, "filename", "r")
826
("a", ["option"], (None, 0, 1), ["b"]),
827
("a", ["opt"], (None, 1, 2), ["c"]),
828
("b", ["option"], (None, 2, 3), ["a"])
831
def test_delay_create_and_add_versions(self):
832
transport = MockTransport()
834
index = self.get_knit_index(transport, "filename", "w",
835
create=True, file_mode="wb", create_parent_dir=True,
836
delay_create=True, dir_mode=0777)
837
self.assertEqual([], transport.calls)
840
("a", ["option"], (None, 0, 1), ["b"]),
841
("a", ["opt"], (None, 1, 2), ["c"]),
842
("b", ["option"], (None, 2, 3), ["a"])
844
name, (filename, f), kwargs = transport.calls.pop(0)
845
self.assertEqual("put_file_non_atomic", name)
847
{"dir_mode": 0777, "create_parent_dir": True, "mode": "wb"},
849
self.assertEqual("filename", filename)
852
"\na option 0 1 .b :"
854
"\nb option 2 3 0 :",
857
def test_has_version(self):
858
transport = MockTransport([
862
index = self.get_knit_index(transport, "filename", "r")
864
self.assertTrue(index.has_version("a"))
865
self.assertFalse(index.has_version("b"))
867
def test_get_position(self):
868
transport = MockTransport([
873
index = self.get_knit_index(transport, "filename", "r")
875
self.assertEqual((None, 0, 1), index.get_position("a"))
876
self.assertEqual((None, 1, 2), index.get_position("b"))
878
def test_get_method(self):
879
transport = MockTransport([
881
"a fulltext,unknown 0 1 :",
882
"b unknown,line-delta 1 2 :",
885
index = self.get_knit_index(transport, "filename", "r")
887
self.assertEqual("fulltext", index.get_method("a"))
888
self.assertEqual("line-delta", index.get_method("b"))
889
self.assertRaises(errors.KnitIndexUnknownMethod, index.get_method, "c")
891
def test_get_options(self):
892
transport = MockTransport([
897
index = self.get_knit_index(transport, "filename", "r")
899
self.assertEqual(["opt1"], index.get_options("a"))
900
self.assertEqual(["opt2", "opt3"], index.get_options("b"))
902
def test_get_parents(self):
903
transport = MockTransport([
906
"b option 1 2 0 .c :",
907
"c option 1 2 1 0 .e :"
909
index = self.get_knit_index(transport, "filename", "r")
911
self.assertEqual([], index.get_parents("a"))
912
self.assertEqual(["a", "c"], index.get_parents("b"))
913
self.assertEqual(["b", "a"], index.get_parents("c"))
915
def test_get_parents_with_ghosts(self):
916
transport = MockTransport([
919
"b option 1 2 0 .c :",
920
"c option 1 2 1 0 .e :"
922
index = self.get_knit_index(transport, "filename", "r")
924
self.assertEqual([], index.get_parents_with_ghosts("a"))
925
self.assertEqual(["a", "c"], index.get_parents_with_ghosts("b"))
926
self.assertEqual(["b", "a", "e"],
927
index.get_parents_with_ghosts("c"))
929
def test_check_versions_present(self):
930
transport = MockTransport([
935
index = self.get_knit_index(transport, "filename", "r")
937
check = index.check_versions_present
943
self.assertRaises(RevisionNotPresent, check, ["c"])
944
self.assertRaises(RevisionNotPresent, check, ["a", "b", "c"])
946
def test_impossible_parent(self):
947
"""Test we get KnitCorrupt if the parent couldn't possibly exist."""
948
transport = MockTransport([
951
"b option 0 1 4 :" # We don't have a 4th record
954
self.assertRaises(errors.KnitCorrupt,
955
self.get_knit_index, transport, 'filename', 'r')
957
if (str(e) == ('exceptions must be strings, classes, or instances,'
958
' not exceptions.IndexError')
959
and sys.version_info[0:2] >= (2,5)):
960
self.knownFailure('Pyrex <0.9.5 fails with TypeError when'
961
' raising new style exceptions with python'
966
def test_corrupted_parent(self):
967
transport = MockTransport([
971
"c option 0 1 1v :", # Can't have a parent of '1v'
974
self.assertRaises(errors.KnitCorrupt,
975
self.get_knit_index, transport, 'filename', 'r')
977
if (str(e) == ('exceptions must be strings, classes, or instances,'
978
' not exceptions.ValueError')
979
and sys.version_info[0:2] >= (2,5)):
980
self.knownFailure('Pyrex <0.9.5 fails with TypeError when'
981
' raising new style exceptions with python'
986
def test_corrupted_parent_in_list(self):
987
transport = MockTransport([
991
"c option 0 1 1 v :", # Can't have a parent of 'v'
994
self.assertRaises(errors.KnitCorrupt,
995
self.get_knit_index, transport, 'filename', 'r')
997
if (str(e) == ('exceptions must be strings, classes, or instances,'
998
' not exceptions.ValueError')
999
and sys.version_info[0:2] >= (2,5)):
1000
self.knownFailure('Pyrex <0.9.5 fails with TypeError when'
1001
' raising new style exceptions with python'
1006
def test_invalid_position(self):
1007
transport = MockTransport([
1012
self.assertRaises(errors.KnitCorrupt,
1013
self.get_knit_index, transport, 'filename', 'r')
1014
except TypeError, e:
1015
if (str(e) == ('exceptions must be strings, classes, or instances,'
1016
' not exceptions.ValueError')
1017
and sys.version_info[0:2] >= (2,5)):
1018
self.knownFailure('Pyrex <0.9.5 fails with TypeError when'
1019
' raising new style exceptions with python'
1024
def test_invalid_size(self):
1025
transport = MockTransport([
1030
self.assertRaises(errors.KnitCorrupt,
1031
self.get_knit_index, transport, 'filename', 'r')
1032
except TypeError, e:
1033
if (str(e) == ('exceptions must be strings, classes, or instances,'
1034
' not exceptions.ValueError')
1035
and sys.version_info[0:2] >= (2,5)):
1036
self.knownFailure('Pyrex <0.9.5 fails with TypeError when'
1037
' raising new style exceptions with python'
1042
def test_short_line(self):
1043
transport = MockTransport([
1046
"b option 10 10 0", # This line isn't terminated, ignored
1048
index = self.get_knit_index(transport, "filename", "r")
1049
self.assertEqual(['a'], index.get_versions())
1051
def test_skip_incomplete_record(self):
1052
# A line with bogus data should just be skipped
1053
transport = MockTransport([
1056
"b option 10 10 0", # This line isn't terminated, ignored
1057
"c option 20 10 0 :", # Properly terminated, and starts with '\n'
1059
index = self.get_knit_index(transport, "filename", "r")
1060
self.assertEqual(['a', 'c'], index.get_versions())
1062
def test_trailing_characters(self):
1063
# A line with bogus data should just be skipped
1064
transport = MockTransport([
1067
"b option 10 10 0 :a", # This line has extra trailing characters
1068
"c option 20 10 0 :", # Properly terminated, and starts with '\n'
1070
index = self.get_knit_index(transport, "filename", "r")
1071
self.assertEqual(['a', 'c'], index.get_versions())
1074
class LowLevelKnitIndexTests_c(LowLevelKnitIndexTests):
1076
_test_needs_features = [CompiledKnitFeature]
1078
def get_knit_index(self, *args, **kwargs):
1079
orig = knit._load_data
1081
knit._load_data = orig
1082
self.addCleanup(reset)
1083
from bzrlib._knit_load_data_c import _load_data_c
1084
knit._load_data = _load_data_c
1085
return _KnitIndex(*args, **kwargs)
1089
class KnitTests(TestCaseWithTransport):
1090
"""Class containing knit test helper routines."""
1092
def make_test_knit(self, annotate=False, delay_create=False, index=None,
1095
factory = KnitPlainFactory()
1098
return KnitVersionedFile(name, get_transport('.'), access_mode='w',
1099
factory=factory, create=True,
1100
delay_create=delay_create, index=index)
1102
def assertRecordContentEqual(self, knit, version_id, candidate_content):
1103
"""Assert that some raw record content matches the raw record content
1104
for a particular version_id in the given knit.
1106
index_memo = knit._index.get_position(version_id)
1107
record = (version_id, index_memo)
1108
[(_, expected_content)] = list(knit._data.read_records_iter_raw([record]))
1109
self.assertEqual(expected_content, candidate_content)
1112
class BasicKnitTests(KnitTests):
1114
def add_stock_one_and_one_a(self, k):
1115
k.add_lines('text-1', [], split_lines(TEXT_1))
1116
k.add_lines('text-1a', ['text-1'], split_lines(TEXT_1A))
1118
def test_knit_constructor(self):
1119
"""Construct empty k"""
1120
self.make_test_knit()
1122
def test_make_explicit_index(self):
1123
"""We can supply an index to use."""
1124
knit = KnitVersionedFile('test', get_transport('.'),
1125
index='strangelove')
1126
self.assertEqual(knit._index, 'strangelove')
1128
def test_knit_add(self):
1129
"""Store one text in knit and retrieve"""
1130
k = self.make_test_knit()
1131
k.add_lines('text-1', [], split_lines(TEXT_1))
1132
self.assertTrue(k.has_version('text-1'))
1133
self.assertEqualDiff(''.join(k.get_lines('text-1')), TEXT_1)
1135
def test_knit_reload(self):
1136
# test that the content in a reloaded knit is correct
1137
k = self.make_test_knit()
1138
k.add_lines('text-1', [], split_lines(TEXT_1))
1140
k2 = KnitVersionedFile('test', get_transport('.'), access_mode='r', factory=KnitPlainFactory(), create=True)
1141
self.assertTrue(k2.has_version('text-1'))
1142
self.assertEqualDiff(''.join(k2.get_lines('text-1')), TEXT_1)
1144
def test_knit_several(self):
1145
"""Store several texts in a knit"""
1146
k = self.make_test_knit()
1147
k.add_lines('text-1', [], split_lines(TEXT_1))
1148
k.add_lines('text-2', [], split_lines(TEXT_2))
1149
self.assertEqualDiff(''.join(k.get_lines('text-1')), TEXT_1)
1150
self.assertEqualDiff(''.join(k.get_lines('text-2')), TEXT_2)
1152
def test_repeated_add(self):
1153
"""Knit traps attempt to replace existing version"""
1154
k = self.make_test_knit()
1155
k.add_lines('text-1', [], split_lines(TEXT_1))
1156
self.assertRaises(RevisionAlreadyPresent,
1158
'text-1', [], split_lines(TEXT_1))
1160
def test_empty(self):
1161
k = self.make_test_knit(True)
1162
k.add_lines('text-1', [], [])
1163
self.assertEquals(k.get_lines('text-1'), [])
1165
def test_incomplete(self):
1166
"""Test if texts without a ending line-end can be inserted and
1168
k = KnitVersionedFile('test', get_transport('.'), delta=False, create=True)
1169
k.add_lines('text-1', [], ['a\n', 'b' ])
1170
k.add_lines('text-2', ['text-1'], ['a\rb\n', 'b\n'])
1171
# reopening ensures maximum room for confusion
1172
k = KnitVersionedFile('test', get_transport('.'), delta=False, create=True)
1173
self.assertEquals(k.get_lines('text-1'), ['a\n', 'b' ])
1174
self.assertEquals(k.get_lines('text-2'), ['a\rb\n', 'b\n'])
1176
def test_delta(self):
1177
"""Expression of knit delta as lines"""
1178
k = self.make_test_knit()
1179
td = list(line_delta(TEXT_1.splitlines(True),
1180
TEXT_1A.splitlines(True)))
1181
self.assertEqualDiff(''.join(td), delta_1_1a)
1182
out = apply_line_delta(TEXT_1.splitlines(True), td)
1183
self.assertEqualDiff(''.join(out), TEXT_1A)
1185
def test_add_with_parents(self):
1186
"""Store in knit with parents"""
1187
k = self.make_test_knit()
1188
self.add_stock_one_and_one_a(k)
1189
self.assertEquals(k.get_parents('text-1'), [])
1190
self.assertEquals(k.get_parents('text-1a'), ['text-1'])
1192
def test_ancestry(self):
1193
"""Store in knit with parents"""
1194
k = self.make_test_knit()
1195
self.add_stock_one_and_one_a(k)
1196
self.assertEquals(set(k.get_ancestry(['text-1a'])), set(['text-1a', 'text-1']))
1198
def test_add_delta(self):
1199
"""Store in knit with parents"""
1200
k = KnitVersionedFile('test', get_transport('.'), factory=KnitPlainFactory(),
1201
delta=True, create=True)
1202
self.add_stock_one_and_one_a(k)
1204
self.assertEqualDiff(''.join(k.get_lines('text-1a')), TEXT_1A)
1206
def test_add_delta_knit_graph_index(self):
1207
"""Does adding work with a KnitGraphIndex."""
1208
index = InMemoryGraphIndex(2)
1209
knit_index = KnitGraphIndex(index, add_callback=index.add_nodes,
1211
k = KnitVersionedFile('test', get_transport('.'),
1212
delta=True, create=True, index=knit_index)
1213
self.add_stock_one_and_one_a(k)
1215
self.assertEqualDiff(''.join(k.get_lines('text-1a')), TEXT_1A)
1216
# check the index had the right data added.
1217
self.assertEqual(set([
1218
(index, ('text-1', ), ' 0 127', ((), ())),
1219
(index, ('text-1a', ), ' 127 140', ((('text-1', ),), (('text-1', ),))),
1220
]), set(index.iter_all_entries()))
1221
# we should not have a .kndx file
1222
self.assertFalse(get_transport('.').has('test.kndx'))
1224
def test_annotate(self):
1226
k = KnitVersionedFile('knit', get_transport('.'), factory=KnitAnnotateFactory(),
1227
delta=True, create=True)
1228
self.insert_and_test_small_annotate(k)
1230
def insert_and_test_small_annotate(self, k):
1231
"""test annotation with k works correctly."""
1232
k.add_lines('text-1', [], ['a\n', 'b\n'])
1233
k.add_lines('text-2', ['text-1'], ['a\n', 'c\n'])
1235
origins = k.annotate('text-2')
1236
self.assertEquals(origins[0], ('text-1', 'a\n'))
1237
self.assertEquals(origins[1], ('text-2', 'c\n'))
1239
def test_annotate_fulltext(self):
1241
k = KnitVersionedFile('knit', get_transport('.'), factory=KnitAnnotateFactory(),
1242
delta=False, create=True)
1243
self.insert_and_test_small_annotate(k)
1245
def test_annotate_merge_1(self):
1246
k = self.make_test_knit(True)
1247
k.add_lines('text-a1', [], ['a\n', 'b\n'])
1248
k.add_lines('text-a2', [], ['d\n', 'c\n'])
1249
k.add_lines('text-am', ['text-a1', 'text-a2'], ['d\n', 'b\n'])
1250
origins = k.annotate('text-am')
1251
self.assertEquals(origins[0], ('text-a2', 'd\n'))
1252
self.assertEquals(origins[1], ('text-a1', 'b\n'))
1254
def test_annotate_merge_2(self):
1255
k = self.make_test_knit(True)
1256
k.add_lines('text-a1', [], ['a\n', 'b\n', 'c\n'])
1257
k.add_lines('text-a2', [], ['x\n', 'y\n', 'z\n'])
1258
k.add_lines('text-am', ['text-a1', 'text-a2'], ['a\n', 'y\n', 'c\n'])
1259
origins = k.annotate('text-am')
1260
self.assertEquals(origins[0], ('text-a1', 'a\n'))
1261
self.assertEquals(origins[1], ('text-a2', 'y\n'))
1262
self.assertEquals(origins[2], ('text-a1', 'c\n'))
1264
def test_annotate_merge_9(self):
1265
k = self.make_test_knit(True)
1266
k.add_lines('text-a1', [], ['a\n', 'b\n', 'c\n'])
1267
k.add_lines('text-a2', [], ['x\n', 'y\n', 'z\n'])
1268
k.add_lines('text-am', ['text-a1', 'text-a2'], ['k\n', 'y\n', 'c\n'])
1269
origins = k.annotate('text-am')
1270
self.assertEquals(origins[0], ('text-am', 'k\n'))
1271
self.assertEquals(origins[1], ('text-a2', 'y\n'))
1272
self.assertEquals(origins[2], ('text-a1', 'c\n'))
1274
def test_annotate_merge_3(self):
1275
k = self.make_test_knit(True)
1276
k.add_lines('text-a1', [], ['a\n', 'b\n', 'c\n'])
1277
k.add_lines('text-a2', [] ,['x\n', 'y\n', 'z\n'])
1278
k.add_lines('text-am', ['text-a1', 'text-a2'], ['k\n', 'y\n', 'z\n'])
1279
origins = k.annotate('text-am')
1280
self.assertEquals(origins[0], ('text-am', 'k\n'))
1281
self.assertEquals(origins[1], ('text-a2', 'y\n'))
1282
self.assertEquals(origins[2], ('text-a2', 'z\n'))
1284
def test_annotate_merge_4(self):
1285
k = self.make_test_knit(True)
1286
k.add_lines('text-a1', [], ['a\n', 'b\n', 'c\n'])
1287
k.add_lines('text-a2', [], ['x\n', 'y\n', 'z\n'])
1288
k.add_lines('text-a3', ['text-a1'], ['a\n', 'b\n', 'p\n'])
1289
k.add_lines('text-am', ['text-a2', 'text-a3'], ['a\n', 'b\n', 'z\n'])
1290
origins = k.annotate('text-am')
1291
self.assertEquals(origins[0], ('text-a1', 'a\n'))
1292
self.assertEquals(origins[1], ('text-a1', 'b\n'))
1293
self.assertEquals(origins[2], ('text-a2', 'z\n'))
1295
def test_annotate_merge_5(self):
1296
k = self.make_test_knit(True)
1297
k.add_lines('text-a1', [], ['a\n', 'b\n', 'c\n'])
1298
k.add_lines('text-a2', [], ['d\n', 'e\n', 'f\n'])
1299
k.add_lines('text-a3', [], ['x\n', 'y\n', 'z\n'])
1300
k.add_lines('text-am',
1301
['text-a1', 'text-a2', 'text-a3'],
1302
['a\n', 'e\n', 'z\n'])
1303
origins = k.annotate('text-am')
1304
self.assertEquals(origins[0], ('text-a1', 'a\n'))
1305
self.assertEquals(origins[1], ('text-a2', 'e\n'))
1306
self.assertEquals(origins[2], ('text-a3', 'z\n'))
1308
def test_annotate_file_cherry_pick(self):
1309
k = self.make_test_knit(True)
1310
k.add_lines('text-1', [], ['a\n', 'b\n', 'c\n'])
1311
k.add_lines('text-2', ['text-1'], ['d\n', 'e\n', 'f\n'])
1312
k.add_lines('text-3', ['text-2', 'text-1'], ['a\n', 'b\n', 'c\n'])
1313
origins = k.annotate('text-3')
1314
self.assertEquals(origins[0], ('text-1', 'a\n'))
1315
self.assertEquals(origins[1], ('text-1', 'b\n'))
1316
self.assertEquals(origins[2], ('text-1', 'c\n'))
1318
def test_knit_join(self):
1319
"""Store in knit with parents"""
1320
k1 = KnitVersionedFile('test1', get_transport('.'), factory=KnitPlainFactory(), create=True)
1321
k1.add_lines('text-a', [], split_lines(TEXT_1))
1322
k1.add_lines('text-b', ['text-a'], split_lines(TEXT_1))
1324
k1.add_lines('text-c', [], split_lines(TEXT_1))
1325
k1.add_lines('text-d', ['text-c'], split_lines(TEXT_1))
1327
k1.add_lines('text-m', ['text-b', 'text-d'], split_lines(TEXT_1))
1329
k2 = KnitVersionedFile('test2', get_transport('.'), factory=KnitPlainFactory(), create=True)
1330
count = k2.join(k1, version_ids=['text-m'])
1331
self.assertEquals(count, 5)
1332
self.assertTrue(k2.has_version('text-a'))
1333
self.assertTrue(k2.has_version('text-c'))
1335
def test_reannotate(self):
1336
k1 = KnitVersionedFile('knit1', get_transport('.'),
1337
factory=KnitAnnotateFactory(), create=True)
1339
k1.add_lines('text-a', [], ['a\n', 'b\n'])
1341
k1.add_lines('text-b', ['text-a'], ['a\n', 'c\n'])
1343
k2 = KnitVersionedFile('test2', get_transport('.'),
1344
factory=KnitAnnotateFactory(), create=True)
1345
k2.join(k1, version_ids=['text-b'])
1348
k1.add_lines('text-X', ['text-b'], ['a\n', 'b\n'])
1350
k2.add_lines('text-c', ['text-b'], ['z\n', 'c\n'])
1352
k2.add_lines('text-Y', ['text-b'], ['b\n', 'c\n'])
1354
# test-c will have index 3
1355
k1.join(k2, version_ids=['text-c'])
1357
lines = k1.get_lines('text-c')
1358
self.assertEquals(lines, ['z\n', 'c\n'])
1360
origins = k1.annotate('text-c')
1361
self.assertEquals(origins[0], ('text-c', 'z\n'))
1362
self.assertEquals(origins[1], ('text-b', 'c\n'))
1364
def test_get_line_delta_texts(self):
1365
"""Make sure we can call get_texts on text with reused line deltas"""
1366
k1 = KnitVersionedFile('test1', get_transport('.'),
1367
factory=KnitPlainFactory(), create=True)
1372
parents = ['%d' % (t-1)]
1373
k1.add_lines('%d' % t, parents, ['hello\n'] * t)
1374
k1.get_texts(('%d' % t) for t in range(3))
1376
def test_iter_lines_reads_in_order(self):
1377
t = MemoryTransport()
1378
instrumented_t = TransportLogger(t)
1379
k1 = KnitVersionedFile('id', instrumented_t, create=True, delta=True)
1380
self.assertEqual([('id.kndx',)], instrumented_t._calls)
1381
# add texts with no required ordering
1382
k1.add_lines('base', [], ['text\n'])
1383
k1.add_lines('base2', [], ['text2\n'])
1385
instrumented_t._calls = []
1386
# request a last-first iteration
1387
results = list(k1.iter_lines_added_or_present_in_versions(['base2', 'base']))
1388
self.assertEqual([('id.knit', [(0, 87), (87, 89)])], instrumented_t._calls)
1389
self.assertEqual(['text\n', 'text2\n'], results)
1391
def test_create_empty_annotated(self):
1392
k1 = self.make_test_knit(True)
1394
k1.add_lines('text-a', [], ['a\n', 'b\n'])
1395
k2 = k1.create_empty('t', MemoryTransport())
1396
self.assertTrue(isinstance(k2.factory, KnitAnnotateFactory))
1397
self.assertEqual(k1.delta, k2.delta)
1398
# the generic test checks for empty content and file class
1400
def test_knit_format(self):
1401
# this tests that a new knit index file has the expected content
1402
# and that is writes the data we expect as records are added.
1403
knit = self.make_test_knit(True)
1404
# Now knit files are not created until we first add data to them
1405
self.assertFileEqual("# bzr knit index 8\n", 'test.kndx')
1406
knit.add_lines_with_ghosts('revid', ['a_ghost'], ['a\n'])
1407
self.assertFileEqual(
1408
"# bzr knit index 8\n"
1410
"revid fulltext 0 84 .a_ghost :",
1412
knit.add_lines_with_ghosts('revid2', ['revid'], ['a\n'])
1413
self.assertFileEqual(
1414
"# bzr knit index 8\n"
1415
"\nrevid fulltext 0 84 .a_ghost :"
1416
"\nrevid2 line-delta 84 82 0 :",
1418
# we should be able to load this file again
1419
knit = KnitVersionedFile('test', get_transport('.'), access_mode='r')
1420
self.assertEqual(['revid', 'revid2'], knit.versions())
1421
# write a short write to the file and ensure that its ignored
1422
indexfile = file('test.kndx', 'ab')
1423
indexfile.write('\nrevid3 line-delta 166 82 1 2 3 4 5 .phwoar:demo ')
1425
# we should be able to load this file again
1426
knit = KnitVersionedFile('test', get_transport('.'), access_mode='w')
1427
self.assertEqual(['revid', 'revid2'], knit.versions())
1428
# and add a revision with the same id the failed write had
1429
knit.add_lines('revid3', ['revid2'], ['a\n'])
1430
# and when reading it revid3 should now appear.
1431
knit = KnitVersionedFile('test', get_transport('.'), access_mode='r')
1432
self.assertEqual(['revid', 'revid2', 'revid3'], knit.versions())
1433
self.assertEqual(['revid2'], knit.get_parents('revid3'))
1435
def test_delay_create(self):
1436
"""Test that passing delay_create=True creates files late"""
1437
knit = self.make_test_knit(annotate=True, delay_create=True)
1438
self.failIfExists('test.knit')
1439
self.failIfExists('test.kndx')
1440
knit.add_lines_with_ghosts('revid', ['a_ghost'], ['a\n'])
1441
self.failUnlessExists('test.knit')
1442
self.assertFileEqual(
1443
"# bzr knit index 8\n"
1445
"revid fulltext 0 84 .a_ghost :",
1448
def test_create_parent_dir(self):
1449
"""create_parent_dir can create knits in nonexistant dirs"""
1450
# Has no effect if we don't set 'delay_create'
1451
trans = get_transport('.')
1452
self.assertRaises(NoSuchFile, KnitVersionedFile, 'dir/test',
1453
trans, access_mode='w', factory=None,
1454
create=True, create_parent_dir=True)
1455
# Nothing should have changed yet
1456
knit = KnitVersionedFile('dir/test', trans, access_mode='w',
1457
factory=None, create=True,
1458
create_parent_dir=True,
1460
self.failIfExists('dir/test.knit')
1461
self.failIfExists('dir/test.kndx')
1462
self.failIfExists('dir')
1463
knit.add_lines('revid', [], ['a\n'])
1464
self.failUnlessExists('dir')
1465
self.failUnlessExists('dir/test.knit')
1466
self.assertFileEqual(
1467
"# bzr knit index 8\n"
1469
"revid fulltext 0 84 :",
1472
def test_create_mode_700(self):
1473
trans = get_transport('.')
1474
if not trans._can_roundtrip_unix_modebits():
1475
# Can't roundtrip, so no need to run this test
1477
knit = KnitVersionedFile('dir/test', trans, access_mode='w',
1478
factory=None, create=True,
1479
create_parent_dir=True,
1483
knit.add_lines('revid', [], ['a\n'])
1484
self.assertTransportMode(trans, 'dir', 0700)
1485
self.assertTransportMode(trans, 'dir/test.knit', 0600)
1486
self.assertTransportMode(trans, 'dir/test.kndx', 0600)
1488
def test_create_mode_770(self):
1489
trans = get_transport('.')
1490
if not trans._can_roundtrip_unix_modebits():
1491
# Can't roundtrip, so no need to run this test
1493
knit = KnitVersionedFile('dir/test', trans, access_mode='w',
1494
factory=None, create=True,
1495
create_parent_dir=True,
1499
knit.add_lines('revid', [], ['a\n'])
1500
self.assertTransportMode(trans, 'dir', 0770)
1501
self.assertTransportMode(trans, 'dir/test.knit', 0660)
1502
self.assertTransportMode(trans, 'dir/test.kndx', 0660)
1504
def test_create_mode_777(self):
1505
trans = get_transport('.')
1506
if not trans._can_roundtrip_unix_modebits():
1507
# Can't roundtrip, so no need to run this test
1509
knit = KnitVersionedFile('dir/test', trans, access_mode='w',
1510
factory=None, create=True,
1511
create_parent_dir=True,
1515
knit.add_lines('revid', [], ['a\n'])
1516
self.assertTransportMode(trans, 'dir', 0777)
1517
self.assertTransportMode(trans, 'dir/test.knit', 0666)
1518
self.assertTransportMode(trans, 'dir/test.kndx', 0666)
1520
def test_plan_merge(self):
1521
my_knit = self.make_test_knit(annotate=True)
1522
my_knit.add_lines('text1', [], split_lines(TEXT_1))
1523
my_knit.add_lines('text1a', ['text1'], split_lines(TEXT_1A))
1524
my_knit.add_lines('text1b', ['text1'], split_lines(TEXT_1B))
1525
plan = list(my_knit.plan_merge('text1a', 'text1b'))
1526
for plan_line, expected_line in zip(plan, AB_MERGE):
1527
self.assertEqual(plan_line, expected_line)
1529
def test_get_stream_empty(self):
1530
"""Get a data stream for an empty knit file."""
1531
k1 = self.make_test_knit()
1532
format, data_list, reader_callable = k1.get_data_stream([])
1533
self.assertEqual('knit-plain', format)
1534
self.assertEqual([], data_list)
1535
content = reader_callable(None)
1536
self.assertEqual('', content)
1537
self.assertIsInstance(content, str)
1539
def test_get_stream_one_version(self):
1540
"""Get a data stream for a single record out of a knit containing just
1543
k1 = self.make_test_knit()
1545
('text-a', [], TEXT_1),
1547
expected_data_list = [
1548
# version, options, length, parents
1549
('text-a', ['fulltext'], 122, []),
1551
for version_id, parents, lines in test_data:
1552
k1.add_lines(version_id, parents, split_lines(lines))
1554
format, data_list, reader_callable = k1.get_data_stream(['text-a'])
1555
self.assertEqual('knit-plain', format)
1556
self.assertEqual(expected_data_list, data_list)
1557
# There's only one record in the knit, so the content should be the
1558
# entire knit data file's contents.
1559
self.assertEqual(k1.transport.get_bytes(k1._data._access._filename),
1560
reader_callable(None))
1562
def test_get_stream_get_one_version_of_many(self):
1563
"""Get a data stream for just one version out of a knit containing many
1566
k1 = self.make_test_knit()
1567
# Insert the same data as test_knit_join, as they seem to cover a range
1568
# of cases (no parents, one parent, multiple parents).
1570
('text-a', [], TEXT_1),
1571
('text-b', ['text-a'], TEXT_1),
1572
('text-c', [], TEXT_1),
1573
('text-d', ['text-c'], TEXT_1),
1574
('text-m', ['text-b', 'text-d'], TEXT_1),
1576
expected_data_list = [
1577
# version, options, length, parents
1578
('text-m', ['line-delta'], 84, ['text-b', 'text-d']),
1580
for version_id, parents, lines in test_data:
1581
k1.add_lines(version_id, parents, split_lines(lines))
1583
format, data_list, reader_callable = k1.get_data_stream(['text-m'])
1584
self.assertEqual('knit-plain', format)
1585
self.assertEqual(expected_data_list, data_list)
1586
self.assertRecordContentEqual(k1, 'text-m', reader_callable(None))
1588
def test_get_stream_ghost_parent(self):
1589
"""Get a data stream for a version with a ghost parent."""
1590
k1 = self.make_test_knit()
1592
k1.add_lines('text-a', [], split_lines(TEXT_1))
1593
k1.add_lines_with_ghosts('text-b', ['text-a', 'text-ghost'],
1594
split_lines(TEXT_1))
1596
expected_data_list = [
1597
# version, options, length, parents
1598
('text-b', ['line-delta'], 84, ['text-a', 'text-ghost']),
1601
format, data_list, reader_callable = k1.get_data_stream(['text-b'])
1602
self.assertEqual('knit-plain', format)
1603
self.assertEqual(expected_data_list, data_list)
1604
self.assertRecordContentEqual(k1, 'text-b', reader_callable(None))
1606
def test_get_stream_get_multiple_records(self):
1607
"""Get a stream for multiple records of a knit."""
1608
k1 = self.make_test_knit()
1609
# Insert the same data as test_knit_join, as they seem to cover a range
1610
# of cases (no parents, one parent, multiple parents).
1612
('text-a', [], TEXT_1),
1613
('text-b', ['text-a'], TEXT_1),
1614
('text-c', [], TEXT_1),
1615
('text-d', ['text-c'], TEXT_1),
1616
('text-m', ['text-b', 'text-d'], TEXT_1),
1618
expected_data_list = [
1619
# version, options, length, parents
1620
('text-b', ['line-delta'], 84, ['text-a']),
1621
('text-d', ['line-delta'], 84, ['text-c']),
1623
for version_id, parents, lines in test_data:
1624
k1.add_lines(version_id, parents, split_lines(lines))
1626
# Note that even though we request the revision IDs in a particular
1627
# order, the data stream may return them in any order it likes. In this
1628
# case, they'll be in the order they were inserted into the knit.
1629
format, data_list, reader_callable = k1.get_data_stream(
1630
['text-d', 'text-b'])
1631
self.assertEqual('knit-plain', format)
1632
self.assertEqual(expected_data_list, data_list)
1633
self.assertRecordContentEqual(k1, 'text-b', reader_callable(84))
1634
self.assertRecordContentEqual(k1, 'text-d', reader_callable(84))
1635
self.assertEqual('', reader_callable(None),
1636
"There should be no more bytes left to read.")
1638
def test_get_stream_all(self):
1639
"""Get a data stream for all the records in a knit.
1641
This exercises fulltext records, line-delta records, records with
1642
various numbers of parents, and reading multiple records out of the
1643
callable. These cases ought to all be exercised individually by the
1644
other test_get_stream_* tests; this test is basically just paranoia.
1646
k1 = self.make_test_knit()
1647
# Insert the same data as test_knit_join, as they seem to cover a range
1648
# of cases (no parents, one parent, multiple parents).
1650
('text-a', [], TEXT_1),
1651
('text-b', ['text-a'], TEXT_1),
1652
('text-c', [], TEXT_1),
1653
('text-d', ['text-c'], TEXT_1),
1654
('text-m', ['text-b', 'text-d'], TEXT_1),
1656
expected_data_list = [
1657
# version, options, length, parents
1658
('text-a', ['fulltext'], 122, []),
1659
('text-b', ['line-delta'], 84, ['text-a']),
1660
('text-c', ['fulltext'], 121, []),
1661
('text-d', ['line-delta'], 84, ['text-c']),
1662
('text-m', ['line-delta'], 84, ['text-b', 'text-d']),
1664
for version_id, parents, lines in test_data:
1665
k1.add_lines(version_id, parents, split_lines(lines))
1667
format, data_list, reader_callable = k1.get_data_stream(
1668
['text-a', 'text-b', 'text-c', 'text-d', 'text-m'])
1669
self.assertEqual('knit-plain', format)
1670
self.assertEqual(expected_data_list, data_list)
1671
for version_id, options, length, parents in expected_data_list:
1672
bytes = reader_callable(length)
1673
self.assertRecordContentEqual(k1, version_id, bytes)
1675
def assertKnitFilesEqual(self, knit1, knit2):
1676
"""Assert that the contents of the index and data files of two knits are
1680
knit1.transport.get_bytes(knit1._data._access._filename),
1681
knit2.transport.get_bytes(knit2._data._access._filename))
1683
knit1.transport.get_bytes(knit1._index._filename),
1684
knit2.transport.get_bytes(knit2._index._filename))
1686
def test_insert_data_stream_empty(self):
1687
"""Inserting a data stream with no records should not put any data into
1690
k1 = self.make_test_knit()
1691
k1.insert_data_stream(
1692
(k1.get_format_signature(), [], lambda ignored: ''))
1693
self.assertEqual('', k1.transport.get_bytes(k1._data._access._filename),
1694
"The .knit should be completely empty.")
1695
self.assertEqual(k1._index.HEADER,
1696
k1.transport.get_bytes(k1._index._filename),
1697
"The .kndx should have nothing apart from the header.")
1699
def test_insert_data_stream_one_record(self):
1700
"""Inserting a data stream with one record from a knit with one record
1701
results in byte-identical files.
1703
source = self.make_test_knit(name='source')
1704
source.add_lines('text-a', [], split_lines(TEXT_1))
1705
data_stream = source.get_data_stream(['text-a'])
1707
target = self.make_test_knit(name='target')
1708
target.insert_data_stream(data_stream)
1710
self.assertKnitFilesEqual(source, target)
1712
def test_insert_data_stream_records_already_present(self):
1713
"""Insert a data stream where some records are alreday present in the
1714
target, and some not. Only the new records are inserted.
1716
source = self.make_test_knit(name='source')
1717
target = self.make_test_knit(name='target')
1718
# Insert 'text-a' into both source and target
1719
source.add_lines('text-a', [], split_lines(TEXT_1))
1720
target.insert_data_stream(source.get_data_stream(['text-a']))
1721
# Insert 'text-b' into just the source.
1722
source.add_lines('text-b', ['text-a'], split_lines(TEXT_1))
1723
# Get a data stream of both text-a and text-b, and insert it.
1724
data_stream = source.get_data_stream(['text-a', 'text-b'])
1725
target.insert_data_stream(data_stream)
1726
# The source and target will now be identical. This means the text-a
1727
# record was not added a second time.
1728
self.assertKnitFilesEqual(source, target)
1730
def test_insert_data_stream_multiple_records(self):
1731
"""Inserting a data stream of all records from a knit with multiple
1732
records results in byte-identical files.
1734
source = self.make_test_knit(name='source')
1735
source.add_lines('text-a', [], split_lines(TEXT_1))
1736
source.add_lines('text-b', ['text-a'], split_lines(TEXT_1))
1737
source.add_lines('text-c', [], split_lines(TEXT_1))
1738
data_stream = source.get_data_stream(['text-a', 'text-b', 'text-c'])
1740
target = self.make_test_knit(name='target')
1741
target.insert_data_stream(data_stream)
1743
self.assertKnitFilesEqual(source, target)
1745
def test_insert_data_stream_ghost_parent(self):
1746
"""Insert a data stream with a record that has a ghost parent."""
1747
# Make a knit with a record, text-a, that has a ghost parent.
1748
source = self.make_test_knit(name='source')
1749
source.add_lines_with_ghosts('text-a', ['text-ghost'],
1750
split_lines(TEXT_1))
1751
data_stream = source.get_data_stream(['text-a'])
1753
target = self.make_test_knit(name='target')
1754
target.insert_data_stream(data_stream)
1756
self.assertKnitFilesEqual(source, target)
1758
# The target knit object is in a consistent state, i.e. the record we
1759
# just added is immediately visible.
1760
self.assertTrue(target.has_version('text-a'))
1761
self.assertTrue(target.has_ghost('text-ghost'))
1762
self.assertEqual(split_lines(TEXT_1), target.get_lines('text-a'))
1764
def test_insert_data_stream_inconsistent_version_lines(self):
1765
"""Inserting a data stream which has different content for a version_id
1766
than already exists in the knit will raise KnitCorrupt.
1768
source = self.make_test_knit(name='source')
1769
target = self.make_test_knit(name='target')
1770
# Insert a different 'text-a' into both source and target
1771
source.add_lines('text-a', [], split_lines(TEXT_1))
1772
target.add_lines('text-a', [], split_lines(TEXT_2))
1773
# Insert a data stream with conflicting content into the target
1774
data_stream = source.get_data_stream(['text-a'])
1776
errors.KnitCorrupt, target.insert_data_stream, data_stream)
1778
def test_insert_data_stream_inconsistent_version_parents(self):
1779
"""Inserting a data stream which has different parents for a version_id
1780
than already exists in the knit will raise KnitCorrupt.
1782
source = self.make_test_knit(name='source')
1783
target = self.make_test_knit(name='target')
1784
# Insert a different 'text-a' into both source and target. They differ
1785
# only by the parents list, the content is the same.
1786
source.add_lines_with_ghosts('text-a', [], split_lines(TEXT_1))
1787
target.add_lines_with_ghosts('text-a', ['a-ghost'], split_lines(TEXT_1))
1788
# Insert a data stream with conflicting content into the target
1789
data_stream = source.get_data_stream(['text-a'])
1791
errors.KnitCorrupt, target.insert_data_stream, data_stream)
1793
def test_insert_data_stream_incompatible_format(self):
1794
"""A data stream in a different format to the target knit cannot be
1797
It will raise KnitDataStreamIncompatible.
1799
data_stream = ('fake-format-signature', [], lambda _: '')
1800
target = self.make_test_knit(name='target')
1802
errors.KnitDataStreamIncompatible,
1803
target.insert_data_stream, data_stream)
1805
# * test that a stream of "already present version, then new version"
1806
# inserts correctly.
1817
Banana cup cake recipe
1823
- self-raising flour
1827
Banana cup cake recipe
1829
- bananas (do not use plantains!!!)
1836
Banana cup cake recipe
1839
- self-raising flour
1852
AB_MERGE_TEXT="""unchanged|Banana cup cake recipe
1857
new-b|- bananas (do not use plantains!!!)
1858
unchanged|- broken tea cups
1859
new-a|- self-raising flour
1862
AB_MERGE=[tuple(l.split('|')) for l in AB_MERGE_TEXT.splitlines(True)]
1865
def line_delta(from_lines, to_lines):
1866
"""Generate line-based delta from one text to another"""
1867
s = difflib.SequenceMatcher(None, from_lines, to_lines)
1868
for op in s.get_opcodes():
1869
if op[0] == 'equal':
1871
yield '%d,%d,%d\n' % (op[1], op[2], op[4]-op[3])
1872
for i in range(op[3], op[4]):
1876
def apply_line_delta(basis_lines, delta_lines):
1877
"""Apply a line-based perfect diff
1879
basis_lines -- text to apply the patch to
1880
delta_lines -- diff instructions and content
1882
out = basis_lines[:]
1885
while i < len(delta_lines):
1887
a, b, c = map(long, l.split(','))
1889
out[offset+a:offset+b] = delta_lines[i:i+c]
1891
offset = offset + (b - a) + c
1895
class TestWeaveToKnit(KnitTests):
1897
def test_weave_to_knit_matches(self):
1898
# check that the WeaveToKnit is_compatible function
1899
# registers True for a Weave to a Knit.
1901
k = self.make_test_knit()
1902
self.failUnless(WeaveToKnit.is_compatible(w, k))
1903
self.failIf(WeaveToKnit.is_compatible(k, w))
1904
self.failIf(WeaveToKnit.is_compatible(w, w))
1905
self.failIf(WeaveToKnit.is_compatible(k, k))
1908
class TestKnitCaching(KnitTests):
1910
def create_knit(self):
1911
k = self.make_test_knit(True)
1912
k.add_lines('text-1', [], split_lines(TEXT_1))
1913
k.add_lines('text-2', [], split_lines(TEXT_2))
1916
def test_no_caching(self):
1917
k = self.create_knit()
1918
# Nothing should be cached without setting 'enable_cache'
1919
self.assertEqual({}, k._data._cache)
1921
def test_cache_data_read_raw(self):
1922
k = self.create_knit()
1924
# Now cache and read
1927
def read_one_raw(version):
1928
pos_map = k._get_components_positions([version])
1929
method, index_memo, next = pos_map[version]
1930
lst = list(k._data.read_records_iter_raw([(version, index_memo)]))
1931
self.assertEqual(1, len(lst))
1934
val = read_one_raw('text-1')
1935
self.assertEqual({'text-1':val[1]}, k._data._cache)
1938
# After clear, new reads are not cached
1939
self.assertEqual({}, k._data._cache)
1941
val2 = read_one_raw('text-1')
1942
self.assertEqual(val, val2)
1943
self.assertEqual({}, k._data._cache)
1945
def test_cache_data_read(self):
1946
k = self.create_knit()
1948
def read_one(version):
1949
pos_map = k._get_components_positions([version])
1950
method, index_memo, next = pos_map[version]
1951
lst = list(k._data.read_records_iter([(version, index_memo)]))
1952
self.assertEqual(1, len(lst))
1955
# Now cache and read
1958
val = read_one('text-2')
1959
self.assertEqual(['text-2'], k._data._cache.keys())
1960
self.assertEqual('text-2', val[0])
1961
content, digest = k._data._parse_record('text-2',
1962
k._data._cache['text-2'])
1963
self.assertEqual(content, val[1])
1964
self.assertEqual(digest, val[2])
1967
self.assertEqual({}, k._data._cache)
1969
val2 = read_one('text-2')
1970
self.assertEqual(val, val2)
1971
self.assertEqual({}, k._data._cache)
1973
def test_cache_read(self):
1974
k = self.create_knit()
1977
text = k.get_text('text-1')
1978
self.assertEqual(TEXT_1, text)
1979
self.assertEqual(['text-1'], k._data._cache.keys())
1982
self.assertEqual({}, k._data._cache)
1984
text = k.get_text('text-1')
1985
self.assertEqual(TEXT_1, text)
1986
self.assertEqual({}, k._data._cache)
1989
class TestKnitIndex(KnitTests):
1991
def test_add_versions_dictionary_compresses(self):
1992
"""Adding versions to the index should update the lookup dict"""
1993
knit = self.make_test_knit()
1995
idx.add_version('a-1', ['fulltext'], (None, 0, 0), [])
1996
self.check_file_contents('test.kndx',
1997
'# bzr knit index 8\n'
1999
'a-1 fulltext 0 0 :'
2001
idx.add_versions([('a-2', ['fulltext'], (None, 0, 0), ['a-1']),
2002
('a-3', ['fulltext'], (None, 0, 0), ['a-2']),
2004
self.check_file_contents('test.kndx',
2005
'# bzr knit index 8\n'
2007
'a-1 fulltext 0 0 :\n'
2008
'a-2 fulltext 0 0 0 :\n'
2009
'a-3 fulltext 0 0 1 :'
2011
self.assertEqual(['a-1', 'a-2', 'a-3'], idx._history)
2012
self.assertEqual({'a-1':('a-1', ['fulltext'], 0, 0, [], 0),
2013
'a-2':('a-2', ['fulltext'], 0, 0, ['a-1'], 1),
2014
'a-3':('a-3', ['fulltext'], 0, 0, ['a-2'], 2),
2017
def test_add_versions_fails_clean(self):
2018
"""If add_versions fails in the middle, it restores a pristine state.
2020
Any modifications that are made to the index are reset if all versions
2023
# This cheats a little bit by passing in a generator which will
2024
# raise an exception before the processing finishes
2025
# Other possibilities would be to have an version with the wrong number
2026
# of entries, or to make the backing transport unable to write any
2029
knit = self.make_test_knit()
2031
idx.add_version('a-1', ['fulltext'], (None, 0, 0), [])
2033
class StopEarly(Exception):
2036
def generate_failure():
2037
"""Add some entries and then raise an exception"""
2038
yield ('a-2', ['fulltext'], (None, 0, 0), ['a-1'])
2039
yield ('a-3', ['fulltext'], (None, 0, 0), ['a-2'])
2042
# Assert the pre-condition
2043
self.assertEqual(['a-1'], idx._history)
2044
self.assertEqual({'a-1':('a-1', ['fulltext'], 0, 0, [], 0)}, idx._cache)
2046
self.assertRaises(StopEarly, idx.add_versions, generate_failure())
2048
# And it shouldn't be modified
2049
self.assertEqual(['a-1'], idx._history)
2050
self.assertEqual({'a-1':('a-1', ['fulltext'], 0, 0, [], 0)}, idx._cache)
2052
def test_knit_index_ignores_empty_files(self):
2053
# There was a race condition in older bzr, where a ^C at the right time
2054
# could leave an empty .kndx file, which bzr would later claim was a
2055
# corrupted file since the header was not present. In reality, the file
2056
# just wasn't created, so it should be ignored.
2057
t = get_transport('.')
2058
t.put_bytes('test.kndx', '')
2060
knit = self.make_test_knit()
2062
def test_knit_index_checks_header(self):
2063
t = get_transport('.')
2064
t.put_bytes('test.kndx', '# not really a knit header\n\n')
2066
self.assertRaises(KnitHeaderError, self.make_test_knit)
2069
class TestGraphIndexKnit(KnitTests):
2070
"""Tests for knits using a GraphIndex rather than a KnitIndex."""
2072
def make_g_index(self, name, ref_lists=0, nodes=[]):
2073
builder = GraphIndexBuilder(ref_lists)
2074
for node, references, value in nodes:
2075
builder.add_node(node, references, value)
2076
stream = builder.finish()
2077
trans = self.get_transport()
2078
trans.put_file(name, stream)
2079
return GraphIndex(trans, name)
2081
def two_graph_index(self, deltas=False, catch_adds=False):
2082
"""Build a two-graph index.
2084
:param deltas: If true, use underlying indices with two node-ref
2085
lists and 'parent' set to a delta-compressed against tail.
2087
# build a complex graph across several indices.
2089
# delta compression inn the index
2090
index1 = self.make_g_index('1', 2, [
2091
(('tip', ), 'N0 100', ([('parent', )], [], )),
2092
(('tail', ), '', ([], []))])
2093
index2 = self.make_g_index('2', 2, [
2094
(('parent', ), ' 100 78', ([('tail', ), ('ghost', )], [('tail', )])),
2095
(('separate', ), '', ([], []))])
2097
# just blob location and graph in the index.
2098
index1 = self.make_g_index('1', 1, [
2099
(('tip', ), 'N0 100', ([('parent', )], )),
2100
(('tail', ), '', ([], ))])
2101
index2 = self.make_g_index('2', 1, [
2102
(('parent', ), ' 100 78', ([('tail', ), ('ghost', )], )),
2103
(('separate', ), '', ([], ))])
2104
combined_index = CombinedGraphIndex([index1, index2])
2106
self.combined_index = combined_index
2107
self.caught_entries = []
2108
add_callback = self.catch_add
2111
return KnitGraphIndex(combined_index, deltas=deltas,
2112
add_callback=add_callback)
2114
def test_get_graph(self):
2115
index = self.two_graph_index()
2116
self.assertEqual(set([
2117
('tip', ('parent', )),
2119
('parent', ('tail', 'ghost')),
2121
]), set(index.get_graph()))
2123
def test_get_ancestry(self):
2124
# get_ancestry is defined as eliding ghosts, not erroring.
2125
index = self.two_graph_index()
2126
self.assertEqual([], index.get_ancestry([]))
2127
self.assertEqual(['separate'], index.get_ancestry(['separate']))
2128
self.assertEqual(['tail'], index.get_ancestry(['tail']))
2129
self.assertEqual(['tail', 'parent'], index.get_ancestry(['parent']))
2130
self.assertEqual(['tail', 'parent', 'tip'], index.get_ancestry(['tip']))
2131
self.assertTrue(index.get_ancestry(['tip', 'separate']) in
2132
(['tail', 'parent', 'tip', 'separate'],
2133
['separate', 'tail', 'parent', 'tip'],
2135
# and without topo_sort
2136
self.assertEqual(set(['separate']),
2137
set(index.get_ancestry(['separate'], topo_sorted=False)))
2138
self.assertEqual(set(['tail']),
2139
set(index.get_ancestry(['tail'], topo_sorted=False)))
2140
self.assertEqual(set(['tail', 'parent']),
2141
set(index.get_ancestry(['parent'], topo_sorted=False)))
2142
self.assertEqual(set(['tail', 'parent', 'tip']),
2143
set(index.get_ancestry(['tip'], topo_sorted=False)))
2144
self.assertEqual(set(['separate', 'tail', 'parent', 'tip']),
2145
set(index.get_ancestry(['tip', 'separate'])))
2146
# asking for a ghost makes it go boom.
2147
self.assertRaises(errors.RevisionNotPresent, index.get_ancestry, ['ghost'])
2149
def test_get_ancestry_with_ghosts(self):
2150
index = self.two_graph_index()
2151
self.assertEqual([], index.get_ancestry_with_ghosts([]))
2152
self.assertEqual(['separate'], index.get_ancestry_with_ghosts(['separate']))
2153
self.assertEqual(['tail'], index.get_ancestry_with_ghosts(['tail']))
2154
self.assertTrue(index.get_ancestry_with_ghosts(['parent']) in
2155
(['tail', 'ghost', 'parent'],
2156
['ghost', 'tail', 'parent'],
2158
self.assertTrue(index.get_ancestry_with_ghosts(['tip']) in
2159
(['tail', 'ghost', 'parent', 'tip'],
2160
['ghost', 'tail', 'parent', 'tip'],
2162
self.assertTrue(index.get_ancestry_with_ghosts(['tip', 'separate']) in
2163
(['tail', 'ghost', 'parent', 'tip', 'separate'],
2164
['ghost', 'tail', 'parent', 'tip', 'separate'],
2165
['separate', 'tail', 'ghost', 'parent', 'tip'],
2166
['separate', 'ghost', 'tail', 'parent', 'tip'],
2168
# asking for a ghost makes it go boom.
2169
self.assertRaises(errors.RevisionNotPresent, index.get_ancestry_with_ghosts, ['ghost'])
2171
def test_num_versions(self):
2172
index = self.two_graph_index()
2173
self.assertEqual(4, index.num_versions())
2175
def test_get_versions(self):
2176
index = self.two_graph_index()
2177
self.assertEqual(set(['tail', 'tip', 'parent', 'separate']),
2178
set(index.get_versions()))
2180
def test_has_version(self):
2181
index = self.two_graph_index()
2182
self.assertTrue(index.has_version('tail'))
2183
self.assertFalse(index.has_version('ghost'))
2185
def test_get_position(self):
2186
index = self.two_graph_index()
2187
self.assertEqual((index._graph_index._indices[0], 0, 100), index.get_position('tip'))
2188
self.assertEqual((index._graph_index._indices[1], 100, 78), index.get_position('parent'))
2190
def test_get_method_deltas(self):
2191
index = self.two_graph_index(deltas=True)
2192
self.assertEqual('fulltext', index.get_method('tip'))
2193
self.assertEqual('line-delta', index.get_method('parent'))
2195
def test_get_method_no_deltas(self):
2196
# check that the parent-history lookup is ignored with deltas=False.
2197
index = self.two_graph_index(deltas=False)
2198
self.assertEqual('fulltext', index.get_method('tip'))
2199
self.assertEqual('fulltext', index.get_method('parent'))
2201
def test_get_options_deltas(self):
2202
index = self.two_graph_index(deltas=True)
2203
self.assertEqual(['fulltext', 'no-eol'], index.get_options('tip'))
2204
self.assertEqual(['line-delta'], index.get_options('parent'))
2206
def test_get_options_no_deltas(self):
2207
# check that the parent-history lookup is ignored with deltas=False.
2208
index = self.two_graph_index(deltas=False)
2209
self.assertEqual(['fulltext', 'no-eol'], index.get_options('tip'))
2210
self.assertEqual(['fulltext'], index.get_options('parent'))
2212
def test_get_parents(self):
2213
# get_parents ignores ghosts
2214
index = self.two_graph_index()
2215
self.assertEqual(('tail', ), index.get_parents('parent'))
2216
# and errors on ghosts.
2217
self.assertRaises(errors.RevisionNotPresent,
2218
index.get_parents, 'ghost')
2220
def test_get_parents_with_ghosts(self):
2221
index = self.two_graph_index()
2222
self.assertEqual(('tail', 'ghost'), index.get_parents_with_ghosts('parent'))
2223
# and errors on ghosts.
2224
self.assertRaises(errors.RevisionNotPresent,
2225
index.get_parents_with_ghosts, 'ghost')
2227
def test_check_versions_present(self):
2228
# ghosts should not be considered present
2229
index = self.two_graph_index()
2230
self.assertRaises(RevisionNotPresent, index.check_versions_present,
2232
self.assertRaises(RevisionNotPresent, index.check_versions_present,
2234
index.check_versions_present(['tail', 'separate'])
2236
def catch_add(self, entries):
2237
self.caught_entries.append(entries)
2239
def test_add_no_callback_errors(self):
2240
index = self.two_graph_index()
2241
self.assertRaises(errors.ReadOnlyError, index.add_version,
2242
'new', 'fulltext,no-eol', (None, 50, 60), ['separate'])
2244
def test_add_version_smoke(self):
2245
index = self.two_graph_index(catch_adds=True)
2246
index.add_version('new', 'fulltext,no-eol', (None, 50, 60), ['separate'])
2247
self.assertEqual([[(('new', ), 'N50 60', ((('separate',),),))]],
2248
self.caught_entries)
2250
def test_add_version_delta_not_delta_index(self):
2251
index = self.two_graph_index(catch_adds=True)
2252
self.assertRaises(errors.KnitCorrupt, index.add_version,
2253
'new', 'no-eol,line-delta', (None, 0, 100), ['parent'])
2254
self.assertEqual([], self.caught_entries)
2256
def test_add_version_same_dup(self):
2257
index = self.two_graph_index(catch_adds=True)
2258
# options can be spelt two different ways
2259
index.add_version('tip', 'fulltext,no-eol', (None, 0, 100), ['parent'])
2260
index.add_version('tip', 'no-eol,fulltext', (None, 0, 100), ['parent'])
2261
# but neither should have added data.
2262
self.assertEqual([[], []], self.caught_entries)
2264
def test_add_version_different_dup(self):
2265
index = self.two_graph_index(deltas=True, catch_adds=True)
2267
self.assertRaises(errors.KnitCorrupt, index.add_version,
2268
'tip', 'no-eol,line-delta', (None, 0, 100), ['parent'])
2269
self.assertRaises(errors.KnitCorrupt, index.add_version,
2270
'tip', 'line-delta,no-eol', (None, 0, 100), ['parent'])
2271
self.assertRaises(errors.KnitCorrupt, index.add_version,
2272
'tip', 'fulltext', (None, 0, 100), ['parent'])
2274
self.assertRaises(errors.KnitCorrupt, index.add_version,
2275
'tip', 'fulltext,no-eol', (None, 50, 100), ['parent'])
2276
self.assertRaises(errors.KnitCorrupt, index.add_version,
2277
'tip', 'fulltext,no-eol', (None, 0, 1000), ['parent'])
2279
self.assertRaises(errors.KnitCorrupt, index.add_version,
2280
'tip', 'fulltext,no-eol', (None, 0, 100), [])
2281
self.assertEqual([], self.caught_entries)
2283
def test_add_versions_nodeltas(self):
2284
index = self.two_graph_index(catch_adds=True)
2285
index.add_versions([
2286
('new', 'fulltext,no-eol', (None, 50, 60), ['separate']),
2287
('new2', 'fulltext', (None, 0, 6), ['new']),
2289
self.assertEqual([(('new', ), 'N50 60', ((('separate',),),)),
2290
(('new2', ), ' 0 6', ((('new',),),))],
2291
sorted(self.caught_entries[0]))
2292
self.assertEqual(1, len(self.caught_entries))
2294
def test_add_versions_deltas(self):
2295
index = self.two_graph_index(deltas=True, catch_adds=True)
2296
index.add_versions([
2297
('new', 'fulltext,no-eol', (None, 50, 60), ['separate']),
2298
('new2', 'line-delta', (None, 0, 6), ['new']),
2300
self.assertEqual([(('new', ), 'N50 60', ((('separate',),), ())),
2301
(('new2', ), ' 0 6', ((('new',),), (('new',),), ))],
2302
sorted(self.caught_entries[0]))
2303
self.assertEqual(1, len(self.caught_entries))
2305
def test_add_versions_delta_not_delta_index(self):
2306
index = self.two_graph_index(catch_adds=True)
2307
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2308
[('new', 'no-eol,line-delta', (None, 0, 100), ['parent'])])
2309
self.assertEqual([], self.caught_entries)
2311
def test_add_versions_random_id_accepted(self):
2312
index = self.two_graph_index(catch_adds=True)
2313
index.add_versions([], random_id=True)
2315
def test_add_versions_same_dup(self):
2316
index = self.two_graph_index(catch_adds=True)
2317
# options can be spelt two different ways
2318
index.add_versions([('tip', 'fulltext,no-eol', (None, 0, 100), ['parent'])])
2319
index.add_versions([('tip', 'no-eol,fulltext', (None, 0, 100), ['parent'])])
2320
# but neither should have added data.
2321
self.assertEqual([[], []], self.caught_entries)
2323
def test_add_versions_different_dup(self):
2324
index = self.two_graph_index(deltas=True, catch_adds=True)
2326
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2327
[('tip', 'no-eol,line-delta', (None, 0, 100), ['parent'])])
2328
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2329
[('tip', 'line-delta,no-eol', (None, 0, 100), ['parent'])])
2330
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2331
[('tip', 'fulltext', (None, 0, 100), ['parent'])])
2333
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2334
[('tip', 'fulltext,no-eol', (None, 50, 100), ['parent'])])
2335
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2336
[('tip', 'fulltext,no-eol', (None, 0, 1000), ['parent'])])
2338
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2339
[('tip', 'fulltext,no-eol', (None, 0, 100), [])])
2340
# change options in the second record
2341
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2342
[('tip', 'fulltext,no-eol', (None, 0, 100), ['parent']),
2343
('tip', 'no-eol,line-delta', (None, 0, 100), ['parent'])])
2344
self.assertEqual([], self.caught_entries)
2346
def test_iter_parents(self):
2347
index1 = self.make_g_index('1', 1, [
2349
(('r0', ), 'N0 100', ([], )),
2351
(('r1', ), '', ([('r0', )], ))])
2352
index2 = self.make_g_index('2', 1, [
2354
(('r2', ), 'N0 100', ([('r1', ), ('r0', )], )),
2356
combined_index = CombinedGraphIndex([index1, index2])
2357
index = KnitGraphIndex(combined_index)
2359
# cases: each sample data individually:
2360
self.assertEqual(set([('r0', ())]),
2361
set(index.iter_parents(['r0'])))
2362
self.assertEqual(set([('r1', ('r0', ))]),
2363
set(index.iter_parents(['r1'])))
2364
self.assertEqual(set([('r2', ('r1', 'r0'))]),
2365
set(index.iter_parents(['r2'])))
2366
# no nodes returned for a missing node
2367
self.assertEqual(set(),
2368
set(index.iter_parents(['missing'])))
2369
# 1 node returned with missing nodes skipped
2370
self.assertEqual(set([('r1', ('r0', ))]),
2371
set(index.iter_parents(['ghost1', 'r1', 'ghost'])))
2373
self.assertEqual(set([('r0', ()), ('r1', ('r0', ))]),
2374
set(index.iter_parents(['r0', 'r1'])))
2375
# 2 nodes returned, missing skipped
2376
self.assertEqual(set([('r0', ()), ('r1', ('r0', ))]),
2377
set(index.iter_parents(['a', 'r0', 'b', 'r1', 'c'])))
2380
class TestNoParentsGraphIndexKnit(KnitTests):
2381
"""Tests for knits using KnitGraphIndex with no parents."""
2383
def make_g_index(self, name, ref_lists=0, nodes=[]):
2384
builder = GraphIndexBuilder(ref_lists)
2385
for node, references in nodes:
2386
builder.add_node(node, references)
2387
stream = builder.finish()
2388
trans = self.get_transport()
2389
trans.put_file(name, stream)
2390
return GraphIndex(trans, name)
2392
def test_parents_deltas_incompatible(self):
2393
index = CombinedGraphIndex([])
2394
self.assertRaises(errors.KnitError, KnitGraphIndex, index,
2395
deltas=True, parents=False)
2397
def two_graph_index(self, catch_adds=False):
2398
"""Build a two-graph index.
2400
:param deltas: If true, use underlying indices with two node-ref
2401
lists and 'parent' set to a delta-compressed against tail.
2403
# put several versions in the index.
2404
index1 = self.make_g_index('1', 0, [
2405
(('tip', ), 'N0 100'),
2407
index2 = self.make_g_index('2', 0, [
2408
(('parent', ), ' 100 78'),
2409
(('separate', ), '')])
2410
combined_index = CombinedGraphIndex([index1, index2])
2412
self.combined_index = combined_index
2413
self.caught_entries = []
2414
add_callback = self.catch_add
2417
return KnitGraphIndex(combined_index, parents=False,
2418
add_callback=add_callback)
2420
def test_get_graph(self):
2421
index = self.two_graph_index()
2422
self.assertEqual(set([
2427
]), set(index.get_graph()))
2429
def test_get_ancestry(self):
2430
# with no parents, ancestry is always just the key.
2431
index = self.two_graph_index()
2432
self.assertEqual([], index.get_ancestry([]))
2433
self.assertEqual(['separate'], index.get_ancestry(['separate']))
2434
self.assertEqual(['tail'], index.get_ancestry(['tail']))
2435
self.assertEqual(['parent'], index.get_ancestry(['parent']))
2436
self.assertEqual(['tip'], index.get_ancestry(['tip']))
2437
self.assertTrue(index.get_ancestry(['tip', 'separate']) in
2438
(['tip', 'separate'],
2439
['separate', 'tip'],
2441
# asking for a ghost makes it go boom.
2442
self.assertRaises(errors.RevisionNotPresent, index.get_ancestry, ['ghost'])
2444
def test_get_ancestry_with_ghosts(self):
2445
index = self.two_graph_index()
2446
self.assertEqual([], index.get_ancestry_with_ghosts([]))
2447
self.assertEqual(['separate'], index.get_ancestry_with_ghosts(['separate']))
2448
self.assertEqual(['tail'], index.get_ancestry_with_ghosts(['tail']))
2449
self.assertEqual(['parent'], index.get_ancestry_with_ghosts(['parent']))
2450
self.assertEqual(['tip'], index.get_ancestry_with_ghosts(['tip']))
2451
self.assertTrue(index.get_ancestry_with_ghosts(['tip', 'separate']) in
2452
(['tip', 'separate'],
2453
['separate', 'tip'],
2455
# asking for a ghost makes it go boom.
2456
self.assertRaises(errors.RevisionNotPresent, index.get_ancestry_with_ghosts, ['ghost'])
2458
def test_num_versions(self):
2459
index = self.two_graph_index()
2460
self.assertEqual(4, index.num_versions())
2462
def test_get_versions(self):
2463
index = self.two_graph_index()
2464
self.assertEqual(set(['tail', 'tip', 'parent', 'separate']),
2465
set(index.get_versions()))
2467
def test_has_version(self):
2468
index = self.two_graph_index()
2469
self.assertTrue(index.has_version('tail'))
2470
self.assertFalse(index.has_version('ghost'))
2472
def test_get_position(self):
2473
index = self.two_graph_index()
2474
self.assertEqual((index._graph_index._indices[0], 0, 100), index.get_position('tip'))
2475
self.assertEqual((index._graph_index._indices[1], 100, 78), index.get_position('parent'))
2477
def test_get_method(self):
2478
index = self.two_graph_index()
2479
self.assertEqual('fulltext', index.get_method('tip'))
2480
self.assertEqual(['fulltext'], index.get_options('parent'))
2482
def test_get_options(self):
2483
index = self.two_graph_index()
2484
self.assertEqual(['fulltext', 'no-eol'], index.get_options('tip'))
2485
self.assertEqual(['fulltext'], index.get_options('parent'))
2487
def test_get_parents(self):
2488
index = self.two_graph_index()
2489
self.assertEqual((), index.get_parents('parent'))
2490
# and errors on ghosts.
2491
self.assertRaises(errors.RevisionNotPresent,
2492
index.get_parents, 'ghost')
2494
def test_get_parents_with_ghosts(self):
2495
index = self.two_graph_index()
2496
self.assertEqual((), index.get_parents_with_ghosts('parent'))
2497
# and errors on ghosts.
2498
self.assertRaises(errors.RevisionNotPresent,
2499
index.get_parents_with_ghosts, 'ghost')
2501
def test_check_versions_present(self):
2502
index = self.two_graph_index()
2503
self.assertRaises(RevisionNotPresent, index.check_versions_present,
2505
self.assertRaises(RevisionNotPresent, index.check_versions_present,
2506
['tail', 'missing'])
2507
index.check_versions_present(['tail', 'separate'])
2509
def catch_add(self, entries):
2510
self.caught_entries.append(entries)
2512
def test_add_no_callback_errors(self):
2513
index = self.two_graph_index()
2514
self.assertRaises(errors.ReadOnlyError, index.add_version,
2515
'new', 'fulltext,no-eol', (None, 50, 60), ['separate'])
2517
def test_add_version_smoke(self):
2518
index = self.two_graph_index(catch_adds=True)
2519
index.add_version('new', 'fulltext,no-eol', (None, 50, 60), [])
2520
self.assertEqual([[(('new', ), 'N50 60')]],
2521
self.caught_entries)
2523
def test_add_version_delta_not_delta_index(self):
2524
index = self.two_graph_index(catch_adds=True)
2525
self.assertRaises(errors.KnitCorrupt, index.add_version,
2526
'new', 'no-eol,line-delta', (None, 0, 100), [])
2527
self.assertEqual([], self.caught_entries)
2529
def test_add_version_same_dup(self):
2530
index = self.two_graph_index(catch_adds=True)
2531
# options can be spelt two different ways
2532
index.add_version('tip', 'fulltext,no-eol', (None, 0, 100), [])
2533
index.add_version('tip', 'no-eol,fulltext', (None, 0, 100), [])
2534
# but neither should have added data.
2535
self.assertEqual([[], []], self.caught_entries)
2537
def test_add_version_different_dup(self):
2538
index = self.two_graph_index(catch_adds=True)
2540
self.assertRaises(errors.KnitCorrupt, index.add_version,
2541
'tip', 'no-eol,line-delta', (None, 0, 100), [])
2542
self.assertRaises(errors.KnitCorrupt, index.add_version,
2543
'tip', 'line-delta,no-eol', (None, 0, 100), [])
2544
self.assertRaises(errors.KnitCorrupt, index.add_version,
2545
'tip', 'fulltext', (None, 0, 100), [])
2547
self.assertRaises(errors.KnitCorrupt, index.add_version,
2548
'tip', 'fulltext,no-eol', (None, 50, 100), [])
2549
self.assertRaises(errors.KnitCorrupt, index.add_version,
2550
'tip', 'fulltext,no-eol', (None, 0, 1000), [])
2552
self.assertRaises(errors.KnitCorrupt, index.add_version,
2553
'tip', 'fulltext,no-eol', (None, 0, 100), ['parent'])
2554
self.assertEqual([], self.caught_entries)
2556
def test_add_versions(self):
2557
index = self.two_graph_index(catch_adds=True)
2558
index.add_versions([
2559
('new', 'fulltext,no-eol', (None, 50, 60), []),
2560
('new2', 'fulltext', (None, 0, 6), []),
2562
self.assertEqual([(('new', ), 'N50 60'), (('new2', ), ' 0 6')],
2563
sorted(self.caught_entries[0]))
2564
self.assertEqual(1, len(self.caught_entries))
2566
def test_add_versions_delta_not_delta_index(self):
2567
index = self.two_graph_index(catch_adds=True)
2568
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2569
[('new', 'no-eol,line-delta', (None, 0, 100), ['parent'])])
2570
self.assertEqual([], self.caught_entries)
2572
def test_add_versions_parents_not_parents_index(self):
2573
index = self.two_graph_index(catch_adds=True)
2574
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2575
[('new', 'no-eol,fulltext', (None, 0, 100), ['parent'])])
2576
self.assertEqual([], self.caught_entries)
2578
def test_add_versions_random_id_accepted(self):
2579
index = self.two_graph_index(catch_adds=True)
2580
index.add_versions([], random_id=True)
2582
def test_add_versions_same_dup(self):
2583
index = self.two_graph_index(catch_adds=True)
2584
# options can be spelt two different ways
2585
index.add_versions([('tip', 'fulltext,no-eol', (None, 0, 100), [])])
2586
index.add_versions([('tip', 'no-eol,fulltext', (None, 0, 100), [])])
2587
# but neither should have added data.
2588
self.assertEqual([[], []], self.caught_entries)
2590
def test_add_versions_different_dup(self):
2591
index = self.two_graph_index(catch_adds=True)
2593
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2594
[('tip', 'no-eol,line-delta', (None, 0, 100), [])])
2595
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2596
[('tip', 'line-delta,no-eol', (None, 0, 100), [])])
2597
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2598
[('tip', 'fulltext', (None, 0, 100), [])])
2600
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2601
[('tip', 'fulltext,no-eol', (None, 50, 100), [])])
2602
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2603
[('tip', 'fulltext,no-eol', (None, 0, 1000), [])])
2605
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2606
[('tip', 'fulltext,no-eol', (None, 0, 100), ['parent'])])
2607
# change options in the second record
2608
self.assertRaises(errors.KnitCorrupt, index.add_versions,
2609
[('tip', 'fulltext,no-eol', (None, 0, 100), []),
2610
('tip', 'no-eol,line-delta', (None, 0, 100), [])])
2611
self.assertEqual([], self.caught_entries)
2613
def test_iter_parents(self):
2614
index = self.two_graph_index()
2615
self.assertEqual(set([
2616
('tip', ()), ('tail', ()), ('parent', ()), ('separate', ())
2618
set(index.iter_parents(['tip', 'tail', 'ghost', 'parent', 'separate'])))
2619
self.assertEqual(set([('tip', ())]),
2620
set(index.iter_parents(['tip'])))
2621
self.assertEqual(set(),
2622
set(index.iter_parents([])))
added
removed
bzrlib/tests/test_knit.py
