~bzr-pqm/bzr/bzr.dev

0.1.55 by Martin Pool
doc
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#! /usr/bin/python2.4
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0.1.2 by Martin Pool
Import testsweet module adapted from bzr.
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# Copyright (C) 2005 by Canonical Ltd
1887.1.1 by Adeodato Simó
Do not separate paragraphs in the copyright statement with blank lines,
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#
0.1.2 by Martin Pool
Import testsweet module adapted from bzr.
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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.
1887.1.1 by Adeodato Simó
Do not separate paragraphs in the copyright statement with blank lines,
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#
0.1.2 by Martin Pool
Import testsweet module adapted from bzr.
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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.
1887.1.1 by Adeodato Simó
Do not separate paragraphs in the copyright statement with blank lines,
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#
0.1.2 by Martin Pool
Import testsweet module adapted from bzr.
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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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1083 by Martin Pool
- add space to store revision-id in weave files
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# TODO: tests regarding version names
1185.13.4 by Robert Collins
make reweave visible as a weave method, and quickly integrate into fetch
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# TODO: rbc 20050108 test that join does not leave an inconsistent weave 
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#       if it fails.
0.1.2 by Martin Pool
Import testsweet module adapted from bzr.
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0.1.38 by Martin Pool
Rename knit to weave. (I don't think there's an existing module called weave.)
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"""test suite for weave algorithm"""
0.1.2 by Martin Pool
Import testsweet module adapted from bzr.
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1323 by Martin Pool
- caller can pass SHA-1 to Weave.add for efficiency
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from pprint import pformat
0.1.2 by Martin Pool
Import testsweet module adapted from bzr.
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1185.13.4 by Robert Collins
make reweave visible as a weave method, and quickly integrate into fetch
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import bzrlib.errors as errors
1393.1.68 by Martin Pool
- add reweave that joins with ghosts
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from bzrlib.weave import Weave, WeaveFormatError, WeaveError, reweave
872 by Martin Pool
- update testweave
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from bzrlib.weavefile import write_weave, read_weave
1185.31.25 by John Arbash Meinel
Renamed all of the tests from selftest/foo.py to tests/test_foo.py
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from bzrlib.tests import TestCase
1323 by Martin Pool
- caller can pass SHA-1 to Weave.add for efficiency
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from bzrlib.osutils import sha_string
0.1.66 by Martin Pool
Cope without set/frozenset classes
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0.1.2 by Martin Pool
Import testsweet module adapted from bzr.
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# texts for use in testing
0.1.3 by Martin Pool
Change storage of texts for testing
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TEXT_0 = ["Hello world"]
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TEXT_1 = ["Hello world",
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          "A second line"]
0.1.2 by Martin Pool
Import testsweet module adapted from bzr.
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1233 by Martin Pool
- fix up weave tests for new test framework
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class TestBase(TestCase):
0.1.75 by Martin Pool
Remove VerInfo class; just store sets directly in the list of
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    def check_read_write(self, k):
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        """Check the weave k can be written & re-read."""
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        from tempfile import TemporaryFile
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        tf = TemporaryFile()
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        write_weave(k, tf)
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        tf.seek(0)
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        k2 = read_weave(tf)
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        if k != k2:
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            tf.seek(0)
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            self.log('serialized weave:')
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            self.log(tf.read())
1083 by Martin Pool
- add space to store revision-id in weave files
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            self.log('')
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            self.log('parents: %s' % (k._parents == k2._parents))
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            self.log('         %r' % k._parents)
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            self.log('         %r' % k2._parents)
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            self.log('')
0.1.75 by Martin Pool
Remove VerInfo class; just store sets directly in the list of
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            self.fail('read/write check failed')
1185.16.125 by Martin Pool
Test for 'name in weave'
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class WeaveContains(TestBase):
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    """Weave __contains__ operator"""
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    def runTest(self):
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        k = Weave()
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        self.assertFalse('foo' in k)
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
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        k.add_lines('foo', [], TEXT_1)
1185.16.125 by Martin Pool
Test for 'name in weave'
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        self.assertTrue('foo' in k)
0.1.75 by Martin Pool
Remove VerInfo class; just store sets directly in the list of
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0.1.2 by Martin Pool
Import testsweet module adapted from bzr.
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class Easy(TestBase):
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    def runTest(self):
0.1.38 by Martin Pool
Rename knit to weave. (I don't think there's an existing module called weave.)
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        k = Weave()
0.1.2 by Martin Pool
Import testsweet module adapted from bzr.
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class StoreText(TestBase):
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    """Store and retrieve a simple text."""
1594.2.24 by Robert Collins
Make use of the transaction finalisation warning support to implement in-knit caching.
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    def test_storing_text(self):
0.1.38 by Martin Pool
Rename knit to weave. (I don't think there's an existing module called weave.)
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        k = Weave()
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
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        idx = k.add_lines('text0', [], TEXT_0)
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        self.assertEqual(k.get_lines(idx), TEXT_0)
0.1.4 by Martin Pool
Start indexing knits by both integer and version string.
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        self.assertEqual(idx, 0)
0.1.2 by Martin Pool
Import testsweet module adapted from bzr.
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0.1.7 by Martin Pool
Add trivial annotate text
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class AnnotateOne(TestBase):
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    def runTest(self):
0.1.38 by Martin Pool
Rename knit to weave. (I don't think there's an existing module called weave.)
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        k = Weave()
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
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        k.add_lines('text0', [], TEXT_0)
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        self.assertEqual(k.annotate('text0'),
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                         [('text0', TEXT_0[0])])
0.1.7 by Martin Pool
Add trivial annotate text
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0.1.5 by Martin Pool
Add test for storing two text versions.
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class StoreTwo(TestBase):
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    def runTest(self):
0.1.38 by Martin Pool
Rename knit to weave. (I don't think there's an existing module called weave.)
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        k = Weave()
0.1.5 by Martin Pool
Add test for storing two text versions.
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1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
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        idx = k.add_lines('text0', [], TEXT_0)
0.1.5 by Martin Pool
Add test for storing two text versions.
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        self.assertEqual(idx, 0)
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1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
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        idx = k.add_lines('text1', [], TEXT_1)
0.1.5 by Martin Pool
Add test for storing two text versions.
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        self.assertEqual(idx, 1)
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1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
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        self.assertEqual(k.get_lines(0), TEXT_0)
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        self.assertEqual(k.get_lines(1), TEXT_1)
1323 by Martin Pool
- caller can pass SHA-1 to Weave.add for efficiency
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1185.50.28 by John Arbash Meinel
Lots of updates for 'bzr check'
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class GetSha1(TestBase):
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    def test_get_sha1(self):
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        k = Weave()
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
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        k.add_lines('text0', [], 'text0')
1185.50.28 by John Arbash Meinel
Lots of updates for 'bzr check'
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        self.assertEqual('34dc0e430c642a26c3dd1c2beb7a8b4f4445eb79',
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                         k.get_sha1('text0'))
1563.2.1 by Robert Collins
Merge in a variation of the versionedfile api from versioned-file.
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        self.assertRaises(errors.RevisionNotPresent,
1185.50.28 by John Arbash Meinel
Lots of updates for 'bzr check'
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                          k.get_sha1, 0)
1563.2.1 by Robert Collins
Merge in a variation of the versionedfile api from versioned-file.
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        self.assertRaises(errors.RevisionNotPresent,
1185.50.28 by John Arbash Meinel
Lots of updates for 'bzr check'
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                          k.get_sha1, 'text1')
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1323 by Martin Pool
- caller can pass SHA-1 to Weave.add for efficiency
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0.1.27 by Martin Pool
Check that version numbers passed in are reasonable
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class InvalidAdd(TestBase):
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    """Try to use invalid version number during add."""
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    def runTest(self):
0.1.38 by Martin Pool
Rename knit to weave. (I don't think there's an existing module called weave.)
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        k = Weave()
0.1.27 by Martin Pool
Check that version numbers passed in are reasonable
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1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
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        self.assertRaises(errors.RevisionNotPresent,
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                          k.add_lines,
1083 by Martin Pool
- add space to store revision-id in weave files
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                          'text0',
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
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                          ['69'],
0.1.27 by Martin Pool
Check that version numbers passed in are reasonable
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                          ['new text!'])
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1237 by Martin Pool
- allow the same version to be repeatedly added to a weave
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class RepeatedAdd(TestBase):
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    """Add the same version twice; harmless."""
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    def runTest(self):
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        k = Weave()
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
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        idx = k.add_lines('text0', [], TEXT_0)
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        idx2 = k.add_lines('text0', [], TEXT_0)
1237 by Martin Pool
- allow the same version to be repeatedly added to a weave
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        self.assertEqual(idx, idx2)
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class InvalidRepeatedAdd(TestBase):
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    def runTest(self):
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        k = Weave()
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
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        k.add_lines('basis', [], TEXT_0)
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        idx = k.add_lines('text0', [], TEXT_0)
1563.2.1 by Robert Collins
Merge in a variation of the versionedfile api from versioned-file.
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        self.assertRaises(errors.RevisionAlreadyPresent,
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
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                          k.add_lines,
1237 by Martin Pool
- allow the same version to be repeatedly added to a weave
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                          'text0',
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                          [],
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                          ['not the same text'])
1563.2.1 by Robert Collins
Merge in a variation of the versionedfile api from versioned-file.
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        self.assertRaises(errors.RevisionAlreadyPresent,
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
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                          k.add_lines,
1237 by Martin Pool
- allow the same version to be repeatedly added to a weave
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                          'text0',
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
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                          ['basis'],         # not the right parents
1237 by Martin Pool
- allow the same version to be repeatedly added to a weave
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                          TEXT_0)
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0.1.26 by Martin Pool
Refactor parameters to add command
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class InsertLines(TestBase):
0.1.13 by Martin Pool
Knit structure now allows for versions to include the lines present in other
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    """Store a revision that adds one line to the original.
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    Look at the annotations to make sure that the first line is matched
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    and not stored repeatedly."""
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    def runTest(self):
0.1.38 by Martin Pool
Rename knit to weave. (I don't think there's an existing module called weave.)
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        k = Weave()
0.1.13 by Martin Pool
Knit structure now allows for versions to include the lines present in other
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1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
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        k.add_lines('text0', [], ['line 1'])
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        k.add_lines('text1', ['text0'], ['line 1', 'line 2'])
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        self.assertEqual(k.annotate('text0'),
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                         [('text0', 'line 1')])
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        self.assertEqual(k.get_lines(1),
0.1.25 by Martin Pool
Handle insertion of new weave layers that insert text on top of the basis
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                         ['line 1',
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                          'line 2'])
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1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
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        self.assertEqual(k.annotate('text1'),
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                         [('text0', 'line 1'),
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                          ('text1', 'line 2')])
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        k.add_lines('text2', ['text0'], ['line 1', 'diverged line'])
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        self.assertEqual(k.annotate('text2'),
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                         [('text0', 'line 1'),
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                          ('text2', 'diverged line')])
0.1.28 by Martin Pool
More tests for insertion of lines in new versions.
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0.1.54 by Martin Pool
Fix weave line calculation when making deltas
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        text3 = ['line 1', 'middle line', 'line 2']
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
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        k.add_lines('text3',
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              ['text0', 'text1'],
0.1.54 by Martin Pool
Fix weave line calculation when making deltas
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              text3)
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937 by Martin Pool
- weave raises IndexError when an invalid revision is given
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        # self.log("changes to text3: " + pformat(list(k._delta(set([0, 1]), text3))))
0.1.54 by Martin Pool
Fix weave line calculation when making deltas
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944 by Martin Pool
- refactor member names in Weave code
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        self.log("k._weave=" + pformat(k._weave))
0.1.28 by Martin Pool
More tests for insertion of lines in new versions.
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1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
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        self.assertEqual(k.annotate('text3'),
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                         [('text0', 'line 1'),
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                          ('text3', 'middle line'),
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                          ('text1', 'line 2')])
0.1.28 by Martin Pool
More tests for insertion of lines in new versions.
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0.1.31 by Martin Pool
Fix insertion of multiple regions, calculating the right line offset as we go.
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        # now multiple insertions at different places
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
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        k.add_lines('text4',
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              ['text0', 'text1', 'text3'],
0.1.31 by Martin Pool
Fix insertion of multiple regions, calculating the right line offset as we go.
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              ['line 1', 'aaa', 'middle line', 'bbb', 'line 2', 'ccc'])
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1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
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        self.assertEqual(k.annotate('text4'), 
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                         [('text0', 'line 1'),
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                          ('text4', 'aaa'),
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                          ('text3', 'middle line'),
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                          ('text4', 'bbb'),
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                          ('text1', 'line 2'),
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                          ('text4', 'ccc')])
0.1.13 by Martin Pool
Knit structure now allows for versions to include the lines present in other
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0.1.40 by Martin Pool
Add test for extracting from weave with nested insertions
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0.1.56 by Martin Pool
Handle deletion of lines by marking the region with a deletion
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class DeleteLines(TestBase):
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    """Deletion of lines from existing text.
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    Try various texts all based on a common ancestor."""
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    def runTest(self):
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        k = Weave()
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        base_text = ['one', 'two', 'three', 'four']
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1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
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        k.add_lines('text0', [], base_text)
0.1.56 by Martin Pool
Handle deletion of lines by marking the region with a deletion
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        texts = [['one', 'two', 'three'],
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                 ['two', 'three', 'four'],
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                 ['one', 'four'],
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                 ['one', 'two', 'three', 'four'],
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                 ]
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1083 by Martin Pool
- add space to store revision-id in weave files
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        i = 1
0.1.56 by Martin Pool
Handle deletion of lines by marking the region with a deletion
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        for t in texts:
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
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            ver = k.add_lines('text%d' % i,
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                        ['text0'], t)
1083 by Martin Pool
- add space to store revision-id in weave files
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            i += 1
0.1.56 by Martin Pool
Handle deletion of lines by marking the region with a deletion
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        self.log('final weave:')
944 by Martin Pool
- refactor member names in Weave code
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        self.log('k._weave=' + pformat(k._weave))
0.1.56 by Martin Pool
Handle deletion of lines by marking the region with a deletion
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        for i in range(len(texts)):
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
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            self.assertEqual(k.get_lines(i+1),
0.1.56 by Martin Pool
Handle deletion of lines by marking the region with a deletion
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                             texts[i])
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0.1.49 by Martin Pool
Add another constraint: revisions should not delete text that they
247
class SuicideDelete(TestBase):
0.1.55 by Martin Pool
doc
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    """Invalid weave which tries to add and delete simultaneously."""
0.1.49 by Martin Pool
Add another constraint: revisions should not delete text that they
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    def runTest(self):
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        k = Weave()
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944 by Martin Pool
- refactor member names in Weave code
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        k._parents = [(),
0.1.49 by Martin Pool
Add another constraint: revisions should not delete text that they
253
                ]
944 by Martin Pool
- refactor member names in Weave code
254
        k._weave = [('{', 0),
0.1.49 by Martin Pool
Add another constraint: revisions should not delete text that they
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                'first line',
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                ('[', 0),
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                'deleted in 0',
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                (']', 0),
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                ('}', 0),
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                ]
891 by Martin Pool
- fix up refactoring of weave
261
        ################################### SKIPPED
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        # Weave.get doesn't trap this anymore
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        return 
0.1.49 by Martin Pool
Add another constraint: revisions should not delete text that they
264
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        self.assertRaises(WeaveFormatError,
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
266
                          k.get_lines,
0.1.49 by Martin Pool
Add another constraint: revisions should not delete text that they
267
                          0)        
268
269
0.1.48 by Martin Pool
Basic parsing of delete instructions.
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class CannedDelete(TestBase):
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    """Unpack canned weave with deleted lines."""
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    def runTest(self):
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        k = Weave()
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944 by Martin Pool
- refactor member names in Weave code
275
        k._parents = [(),
0.1.75 by Martin Pool
Remove VerInfo class; just store sets directly in the list of
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                frozenset([0]),
0.1.48 by Martin Pool
Basic parsing of delete instructions.
277
                ]
944 by Martin Pool
- refactor member names in Weave code
278
        k._weave = [('{', 0),
0.1.48 by Martin Pool
Basic parsing of delete instructions.
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                'first line',
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                ('[', 1),
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                'line to be deleted',
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                (']', 1),
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                'last line',
284
                ('}', 0),
285
                ]
1185.50.23 by John Arbash Meinel
Adding sha1 check when weave extracts a text.
286
        k._sha1s = [sha_string('first lineline to be deletedlast line')
287
                  , sha_string('first linelast line')]
0.1.48 by Martin Pool
Basic parsing of delete instructions.
288
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
289
        self.assertEqual(k.get_lines(0),
0.1.48 by Martin Pool
Basic parsing of delete instructions.
290
                         ['first line',
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                          'line to be deleted',
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                          'last line',
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                          ])
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1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
295
        self.assertEqual(k.get_lines(1),
0.1.50 by Martin Pool
Basic implementation of deletion markers
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                         ['first line',
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                          'last line',
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                          ])
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0.1.48 by Martin Pool
Basic parsing of delete instructions.
300
0.1.51 by Martin Pool
Add test for replacement lines
301
class CannedReplacement(TestBase):
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    """Unpack canned weave with deleted lines."""
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    def runTest(self):
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        k = Weave()
305
944 by Martin Pool
- refactor member names in Weave code
306
        k._parents = [frozenset(),
0.1.75 by Martin Pool
Remove VerInfo class; just store sets directly in the list of
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                frozenset([0]),
0.1.51 by Martin Pool
Add test for replacement lines
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                ]
944 by Martin Pool
- refactor member names in Weave code
309
        k._weave = [('{', 0),
0.1.51 by Martin Pool
Add test for replacement lines
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                'first line',
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                ('[', 1),
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                'line to be deleted',
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                (']', 1),
314
                ('{', 1),
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                'replacement line',                
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                ('}', 1),
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                'last line',
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                ('}', 0),
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                ]
1185.50.23 by John Arbash Meinel
Adding sha1 check when weave extracts a text.
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        k._sha1s = [sha_string('first lineline to be deletedlast line')
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                  , sha_string('first linereplacement linelast line')]
0.1.51 by Martin Pool
Add test for replacement lines
322
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
323
        self.assertEqual(k.get_lines(0),
0.1.51 by Martin Pool
Add test for replacement lines
324
                         ['first line',
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                          'line to be deleted',
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                          'last line',
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                          ])
328
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
329
        self.assertEqual(k.get_lines(1),
0.1.51 by Martin Pool
Add test for replacement lines
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                         ['first line',
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                          'replacement line',
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                          'last line',
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                          ])
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0.1.46 by Martin Pool
More constraints on structure of weave, and checks that they work
336
class BadWeave(TestBase):
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    """Test that we trap an insert which should not occur."""
338
    def runTest(self):
339
        k = Weave()
340
944 by Martin Pool
- refactor member names in Weave code
341
        k._parents = [frozenset(),
0.1.46 by Martin Pool
More constraints on structure of weave, and checks that they work
342
                ]
944 by Martin Pool
- refactor member names in Weave code
343
        k._weave = ['bad line',
0.1.46 by Martin Pool
More constraints on structure of weave, and checks that they work
344
                ('{', 0),
345
                'foo {',
346
                ('{', 1),
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                '  added in version 1',
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                ('{', 2),
349
                '  added in v2',
350
                ('}', 2),
351
                '  also from v1',
352
                ('}', 1),
353
                '}',
354
                ('}', 0)]
355
891 by Martin Pool
- fix up refactoring of weave
356
        ################################### SKIPPED
357
        # Weave.get doesn't trap this anymore
358
        return 
359
360
0.1.47 by Martin Pool
New WeaveError and WeaveFormatError rather than assertions.
361
        self.assertRaises(WeaveFormatError,
0.1.46 by Martin Pool
More constraints on structure of weave, and checks that they work
362
                          k.get,
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                          0)
364
365
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class BadInsert(TestBase):
367
    """Test that we trap an insert which should not occur."""
368
    def runTest(self):
369
        k = Weave()
370
944 by Martin Pool
- refactor member names in Weave code
371
        k._parents = [frozenset(),
0.1.75 by Martin Pool
Remove VerInfo class; just store sets directly in the list of
372
                frozenset([0]),
373
                frozenset([0]),
374
                frozenset([0,1,2]),
0.1.46 by Martin Pool
More constraints on structure of weave, and checks that they work
375
                ]
944 by Martin Pool
- refactor member names in Weave code
376
        k._weave = [('{', 0),
0.1.46 by Martin Pool
More constraints on structure of weave, and checks that they work
377
                'foo {',
378
                ('{', 1),
379
                '  added in version 1',
380
                ('{', 1),
381
                '  more in 1',
382
                ('}', 1),
383
                ('}', 1),
384
                ('}', 0)]
385
891 by Martin Pool
- fix up refactoring of weave
386
387
        # this is not currently enforced by get
388
        return  ##########################################
389
0.1.47 by Martin Pool
New WeaveError and WeaveFormatError rather than assertions.
390
        self.assertRaises(WeaveFormatError,
0.1.46 by Martin Pool
More constraints on structure of weave, and checks that they work
391
                          k.get,
392
                          0)
393
0.1.47 by Martin Pool
New WeaveError and WeaveFormatError rather than assertions.
394
        self.assertRaises(WeaveFormatError,
0.1.46 by Martin Pool
More constraints on structure of weave, and checks that they work
395
                          k.get,
396
                          1)
397
0.1.40 by Martin Pool
Add test for extracting from weave with nested insertions
398
399
class InsertNested(TestBase):
400
    """Insertion with nested instructions."""
401
    def runTest(self):
402
        k = Weave()
403
944 by Martin Pool
- refactor member names in Weave code
404
        k._parents = [frozenset(),
0.1.75 by Martin Pool
Remove VerInfo class; just store sets directly in the list of
405
                frozenset([0]),
406
                frozenset([0]),
407
                frozenset([0,1,2]),
0.1.40 by Martin Pool
Add test for extracting from weave with nested insertions
408
                ]
944 by Martin Pool
- refactor member names in Weave code
409
        k._weave = [('{', 0),
0.1.40 by Martin Pool
Add test for extracting from weave with nested insertions
410
                'foo {',
411
                ('{', 1),
412
                '  added in version 1',
0.1.42 by Martin Pool
More tests for nested insert instructions
413
                ('{', 2),
414
                '  added in v2',
415
                ('}', 2),
416
                '  also from v1',
0.1.40 by Martin Pool
Add test for extracting from weave with nested insertions
417
                ('}', 1),
418
                '}',
419
                ('}', 0)]
420
1185.50.23 by John Arbash Meinel
Adding sha1 check when weave extracts a text.
421
        k._sha1s = [sha_string('foo {}')
422
                  , sha_string('foo {  added in version 1  also from v1}')
423
                  , sha_string('foo {  added in v2}')
424
                  , sha_string('foo {  added in version 1  added in v2  also from v1}')
425
                  ]
426
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
427
        self.assertEqual(k.get_lines(0),
0.1.40 by Martin Pool
Add test for extracting from weave with nested insertions
428
                         ['foo {',
429
                          '}'])
430
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
431
        self.assertEqual(k.get_lines(1),
0.1.40 by Martin Pool
Add test for extracting from weave with nested insertions
432
                         ['foo {',
433
                          '  added in version 1',
0.1.42 by Martin Pool
More tests for nested insert instructions
434
                          '  also from v1',
0.1.40 by Martin Pool
Add test for extracting from weave with nested insertions
435
                          '}'])
436
                       
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
437
        self.assertEqual(k.get_lines(2),
0.1.44 by Martin Pool
More tests for nested insert instructions
438
                         ['foo {',
439
                          '  added in v2',
440
                          '}'])
441
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
442
        self.assertEqual(k.get_lines(3),
0.1.44 by Martin Pool
More tests for nested insert instructions
443
                         ['foo {',
444
                          '  added in version 1',
445
                          '  added in v2',
446
                          '  also from v1',
447
                          '}'])
448
                         
0.1.45 by Martin Pool
doc
449
0.1.56 by Martin Pool
Handle deletion of lines by marking the region with a deletion
450
class DeleteLines2(TestBase):
0.1.30 by Martin Pool
Start adding tests for line deletion
451
    """Test recording revisions that delete lines.
452
453
    This relies on the weave having a way to represent lines knocked
454
    out by a later revision."""
455
    def runTest(self):
0.1.38 by Martin Pool
Rename knit to weave. (I don't think there's an existing module called weave.)
456
        k = Weave()
0.1.30 by Martin Pool
Start adding tests for line deletion
457
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
458
        k.add_lines('text0', [], ["line the first",
0.1.30 by Martin Pool
Start adding tests for line deletion
459
                   "line 2",
460
                   "line 3",
461
                   "fine"])
462
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
463
        self.assertEqual(len(k.get_lines(0)), 4)
0.1.30 by Martin Pool
Start adding tests for line deletion
464
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
465
        k.add_lines('text1', ['text0'], ["line the first",
0.1.30 by Martin Pool
Start adding tests for line deletion
466
                   "fine"])
467
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
468
        self.assertEqual(k.get_lines(1),
0.1.30 by Martin Pool
Start adding tests for line deletion
469
                         ["line the first",
470
                          "fine"])
471
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
472
        self.assertEqual(k.annotate('text1'),
473
                         [('text0', "line the first"),
474
                          ('text0', "fine")])
0.1.56 by Martin Pool
Handle deletion of lines by marking the region with a deletion
475
0.1.30 by Martin Pool
Start adding tests for line deletion
476
0.1.13 by Martin Pool
Knit structure now allows for versions to include the lines present in other
477
class IncludeVersions(TestBase):
478
    """Check texts that are stored across multiple revisions.
479
0.1.38 by Martin Pool
Rename knit to weave. (I don't think there's an existing module called weave.)
480
    Here we manually create a weave with particular encoding and make
0.1.13 by Martin Pool
Knit structure now allows for versions to include the lines present in other
481
    sure it unpacks properly.
482
483
    Text 0 includes nothing; text 1 includes text 0 and adds some
484
    lines.
485
    """
486
487
    def runTest(self):
0.1.38 by Martin Pool
Rename knit to weave. (I don't think there's an existing module called weave.)
488
        k = Weave()
0.1.13 by Martin Pool
Knit structure now allows for versions to include the lines present in other
489
944 by Martin Pool
- refactor member names in Weave code
490
        k._parents = [frozenset(), frozenset([0])]
491
        k._weave = [('{', 0),
0.1.39 by Martin Pool
Change to a more realistic weave structure which can represent insertions and
492
                "first line",
493
                ('}', 0),
494
                ('{', 1),
495
                "second line",
496
                ('}', 1)]
0.1.13 by Martin Pool
Knit structure now allows for versions to include the lines present in other
497
1185.50.23 by John Arbash Meinel
Adding sha1 check when weave extracts a text.
498
        k._sha1s = [sha_string('first line')
499
                  , sha_string('first linesecond line')]
500
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
501
        self.assertEqual(k.get_lines(1),
0.1.13 by Martin Pool
Knit structure now allows for versions to include the lines present in other
502
                         ["first line",
503
                          "second line"])
504
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
505
        self.assertEqual(k.get_lines(0),
0.1.13 by Martin Pool
Knit structure now allows for versions to include the lines present in other
506
                         ["first line"])
507
0.1.5 by Martin Pool
Add test for storing two text versions.
508
0.1.14 by Martin Pool
Another test for version inclusion
509
class DivergedIncludes(TestBase):
0.1.38 by Martin Pool
Rename knit to weave. (I don't think there's an existing module called weave.)
510
    """Weave with two diverged texts based on version 0.
0.1.14 by Martin Pool
Another test for version inclusion
511
    """
512
    def runTest(self):
1563.2.1 by Robert Collins
Merge in a variation of the versionedfile api from versioned-file.
513
        # FIXME make the weave, dont poke at it.
0.1.38 by Martin Pool
Rename knit to weave. (I don't think there's an existing module called weave.)
514
        k = Weave()
0.1.14 by Martin Pool
Another test for version inclusion
515
1563.2.1 by Robert Collins
Merge in a variation of the versionedfile api from versioned-file.
516
        k._names = ['0', '1', '2']
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
517
        k._name_map = {'0':0, '1':1, '2':2}
944 by Martin Pool
- refactor member names in Weave code
518
        k._parents = [frozenset(),
0.1.75 by Martin Pool
Remove VerInfo class; just store sets directly in the list of
519
                frozenset([0]),
520
                frozenset([0]),
0.1.17 by Martin Pool
Use objects rather than tuples for tracking VerInfo for
521
                ]
944 by Martin Pool
- refactor member names in Weave code
522
        k._weave = [('{', 0),
0.1.39 by Martin Pool
Change to a more realistic weave structure which can represent insertions and
523
                "first line",
524
                ('}', 0),
525
                ('{', 1),
526
                "second line",
527
                ('}', 1),
528
                ('{', 2),
529
                "alternative second line",
530
                ('}', 2),                
531
                ]
0.1.14 by Martin Pool
Another test for version inclusion
532
1185.50.23 by John Arbash Meinel
Adding sha1 check when weave extracts a text.
533
        k._sha1s = [sha_string('first line')
534
                  , sha_string('first linesecond line')
535
                  , sha_string('first linealternative second line')]
536
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
537
        self.assertEqual(k.get_lines(0),
0.1.14 by Martin Pool
Another test for version inclusion
538
                         ["first line"])
539
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
540
        self.assertEqual(k.get_lines(1),
0.1.14 by Martin Pool
Another test for version inclusion
541
                         ["first line",
542
                          "second line"])
543
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
544
        self.assertEqual(k.get_lines('2'),
0.1.14 by Martin Pool
Another test for version inclusion
545
                         ["first line",
546
                          "alternative second line"])
547
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
548
        self.assertEqual(list(k.get_ancestry(['2'])),
1563.2.1 by Robert Collins
Merge in a variation of the versionedfile api from versioned-file.
549
                         ['0', '2'])
0.1.77 by Martin Pool
New Weave.get_included() does transitive expansion
550
0.1.57 by Martin Pool
Fix bug in an update edit that both deletes and inserts -- previously
551
552
class ReplaceLine(TestBase):
553
    def runTest(self):
554
        k = Weave()
555
556
        text0 = ['cheddar', 'stilton', 'gruyere']
557
        text1 = ['cheddar', 'blue vein', 'neufchatel', 'chevre']
558
        
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
559
        k.add_lines('text0', [], text0)
560
        k.add_lines('text1', ['text0'], text1)
0.1.57 by Martin Pool
Fix bug in an update edit that both deletes and inserts -- previously
561
944 by Martin Pool
- refactor member names in Weave code
562
        self.log('k._weave=' + pformat(k._weave))
0.1.57 by Martin Pool
Fix bug in an update edit that both deletes and inserts -- previously
563
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
564
        self.assertEqual(k.get_lines(0), text0)
565
        self.assertEqual(k.get_lines(1), text1)
0.1.57 by Martin Pool
Fix bug in an update edit that both deletes and inserts -- previously
566
0.1.64 by Martin Pool
Add test for merging versions
567
568
class Merge(TestBase):
0.1.95 by Martin Pool
- preliminary merge conflict detection
569
    """Storage of versions that merge diverged parents"""
0.1.64 by Martin Pool
Add test for merging versions
570
    def runTest(self):
571
        k = Weave()
572
573
        texts = [['header'],
574
                 ['header', '', 'line from 1'],
575
                 ['header', '', 'line from 2', 'more from 2'],
576
                 ['header', '', 'line from 1', 'fixup line', 'line from 2'],
577
                 ]
578
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
579
        k.add_lines('text0', [], texts[0])
580
        k.add_lines('text1', ['text0'], texts[1])
581
        k.add_lines('text2', ['text0'], texts[2])
582
        k.add_lines('merge', ['text0', 'text1', 'text2'], texts[3])
0.1.64 by Martin Pool
Add test for merging versions
583
584
        for i, t in enumerate(texts):
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
585
            self.assertEqual(k.get_lines(i), t)
0.1.64 by Martin Pool
Add test for merging versions
586
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
587
        self.assertEqual(k.annotate('merge'),
588
                         [('text0', 'header'),
589
                          ('text1', ''),
590
                          ('text1', 'line from 1'),
591
                          ('merge', 'fixup line'),
592
                          ('text2', 'line from 2'),
0.1.64 by Martin Pool
Add test for merging versions
593
                          ])
594
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
595
        self.assertEqual(list(k.get_ancestry(['merge'])),
1563.2.1 by Robert Collins
Merge in a variation of the versionedfile api from versioned-file.
596
                         ['text0', 'text1', 'text2', 'merge'])
0.1.77 by Martin Pool
New Weave.get_included() does transitive expansion
597
944 by Martin Pool
- refactor member names in Weave code
598
        self.log('k._weave=' + pformat(k._weave))
0.1.64 by Martin Pool
Add test for merging versions
599
0.1.75 by Martin Pool
Remove VerInfo class; just store sets directly in the list of
600
        self.check_read_write(k)
0.1.65 by Martin Pool
Add Weave.merge_iter to get automerged lines
601
602
0.1.95 by Martin Pool
- preliminary merge conflict detection
603
class Conflicts(TestBase):
604
    """Test detection of conflicting regions during a merge.
605
606
    A base version is inserted, then two descendents try to
607
    insert different lines in the same place.  These should be
608
    reported as a possible conflict and forwarded to the user."""
609
    def runTest(self):
610
        return  # NOT RUN
611
        k = Weave()
612
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
613
        k.add_lines([], ['aaa', 'bbb'])
614
        k.add_lines([0], ['aaa', '111', 'bbb'])
615
        k.add_lines([1], ['aaa', '222', 'bbb'])
0.1.95 by Martin Pool
- preliminary merge conflict detection
616
617
        merged = k.merge([1, 2])
618
619
        self.assertEquals([[['aaa']],
620
                           [['111'], ['222']],
621
                           [['bbb']]])
622
623
624
class NonConflict(TestBase):
625
    """Two descendants insert compatible changes.
626
627
    No conflict should be reported."""
628
    def runTest(self):
629
        return  # NOT RUN
630
        k = Weave()
631
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
632
        k.add_lines([], ['aaa', 'bbb'])
633
        k.add_lines([0], ['111', 'aaa', 'ccc', 'bbb'])
634
        k.add_lines([1], ['aaa', 'ccc', 'bbb', '222'])
0.1.95 by Martin Pool
- preliminary merge conflict detection
635
636
0.1.57 by Martin Pool
Fix bug in an update edit that both deletes and inserts -- previously
637
class Khayyam(TestBase):
0.1.75 by Martin Pool
Remove VerInfo class; just store sets directly in the list of
638
    """Test changes to multi-line texts, and read/write"""
1563.2.1 by Robert Collins
Merge in a variation of the versionedfile api from versioned-file.
639
640
    def test_multi_line_merge(self):
0.1.57 by Martin Pool
Fix bug in an update edit that both deletes and inserts -- previously
641
        rawtexts = [
642
            """A Book of Verses underneath the Bough,
643
            A Jug of Wine, a Loaf of Bread, -- and Thou
644
            Beside me singing in the Wilderness --
645
            Oh, Wilderness were Paradise enow!""",
646
            
647
            """A Book of Verses underneath the Bough,
648
            A Jug of Wine, a Loaf of Bread, -- and Thou
649
            Beside me singing in the Wilderness --
650
            Oh, Wilderness were Paradise now!""",
0.1.59 by Martin Pool
More modification tests
651
652
            """A Book of poems underneath the tree,
653
            A Jug of Wine, a Loaf of Bread,
654
            and Thou
655
            Beside me singing in the Wilderness --
656
            Oh, Wilderness were Paradise now!
657
658
            -- O. Khayyam""",
659
660
            """A Book of Verses underneath the Bough,
661
            A Jug of Wine, a Loaf of Bread,
662
            and Thou
663
            Beside me singing in the Wilderness --
0.1.75 by Martin Pool
Remove VerInfo class; just store sets directly in the list of
664
            Oh, Wilderness were Paradise now!""",
0.1.57 by Martin Pool
Fix bug in an update edit that both deletes and inserts -- previously
665
            ]
666
        texts = [[l.strip() for l in t.split('\n')] for t in rawtexts]
667
668
        k = Weave()
669
        parents = set()
1083 by Martin Pool
- add space to store revision-id in weave files
670
        i = 0
0.1.57 by Martin Pool
Fix bug in an update edit that both deletes and inserts -- previously
671
        for t in texts:
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
672
            ver = k.add_lines('text%d' % i,
1083 by Martin Pool
- add space to store revision-id in weave files
673
                        list(parents), t)
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
674
            parents.add('text%d' % i)
1083 by Martin Pool
- add space to store revision-id in weave files
675
            i += 1
0.1.57 by Martin Pool
Fix bug in an update edit that both deletes and inserts -- previously
676
944 by Martin Pool
- refactor member names in Weave code
677
        self.log("k._weave=" + pformat(k._weave))
0.1.59 by Martin Pool
More modification tests
678
0.1.57 by Martin Pool
Fix bug in an update edit that both deletes and inserts -- previously
679
        for i, t in enumerate(texts):
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
680
            self.assertEqual(k.get_lines(i), t)
0.1.57 by Martin Pool
Fix bug in an update edit that both deletes and inserts -- previously
681
0.1.75 by Martin Pool
Remove VerInfo class; just store sets directly in the list of
682
        self.check_read_write(k)
0.1.57 by Martin Pool
Fix bug in an update edit that both deletes and inserts -- previously
683
684
1393.1.48 by Martin Pool
- Add stub Weave.join() method
685
class JoinWeavesTests(TestBase):
1393.1.50 by Martin Pool
- more development of Weave.join()
686
    def setUp(self):
687
        super(JoinWeavesTests, self).setUp()
688
        self.weave1 = Weave()
689
        self.lines1 = ['hello\n']
690
        self.lines3 = ['hello\n', 'cruel\n', 'world\n']
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
691
        self.weave1.add_lines('v1', [], self.lines1)
692
        self.weave1.add_lines('v2', ['v1'], ['hello\n', 'world\n'])
693
        self.weave1.add_lines('v3', ['v2'], self.lines3)
1393.1.50 by Martin Pool
- more development of Weave.join()
694
        
1393.1.48 by Martin Pool
- Add stub Weave.join() method
695
    def test_join_empty(self):
696
        """Join two empty weaves."""
697
        eq = self.assertEqual
698
        w1 = Weave()
699
        w2 = Weave()
700
        w1.join(w2)
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
701
        eq(len(w1), 0)
1393.1.48 by Martin Pool
- Add stub Weave.join() method
702
        
1393.1.50 by Martin Pool
- more development of Weave.join()
703
    def test_join_empty_to_nonempty(self):
704
        """Join empty weave onto nonempty."""
705
        self.weave1.join(Weave())
706
        self.assertEqual(len(self.weave1), 3)
707
708
    def test_join_unrelated(self):
709
        """Join two weaves with no history in common."""
710
        wb = Weave()
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
711
        wb.add_lines('b1', [], ['line from b\n'])
1393.1.50 by Martin Pool
- more development of Weave.join()
712
        w1 = self.weave1
713
        w1.join(wb)
714
        eq = self.assertEqual
715
        eq(len(w1), 4)
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
716
        eq(sorted(w1.versions()),
1393.1.50 by Martin Pool
- more development of Weave.join()
717
           ['b1', 'v1', 'v2', 'v3'])
920 by Martin Pool
- add more test cases for weave_merge
718
1393.1.51 by Martin Pool
- new Weave.copy()
719
    def test_join_related(self):
720
        wa = self.weave1.copy()
721
        wb = self.weave1.copy()
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
722
        wa.add_lines('a1', ['v3'], ['hello\n', 'sweet\n', 'world\n'])
723
        wb.add_lines('b1', ['v3'], ['hello\n', 'pale blue\n', 'world\n'])
1393.1.51 by Martin Pool
- new Weave.copy()
724
        eq = self.assertEquals
725
        eq(len(wa), 4)
726
        eq(len(wb), 4)
727
        wa.join(wb)
728
        eq(len(wa), 5)
729
        eq(wa.get_lines('b1'),
730
           ['hello\n', 'pale blue\n', 'world\n'])
731
1393.1.67 by Martin Pool
- test that we cannot join weaves with different ancestry
732
    def test_join_parent_disagreement(self):
1563.2.11 by Robert Collins
Consolidate reweave and join as we have no separate usage, make reweave tests apply to all versionedfile implementations and deprecate the old reweave apis.
733
        #join reconciles differening parents into a union.
1393.1.67 by Martin Pool
- test that we cannot join weaves with different ancestry
734
        wa = Weave()
735
        wb = Weave()
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
736
        wa.add_lines('v1', [], ['hello\n'])
737
        wb.add_lines('v0', [], [])
738
        wb.add_lines('v1', ['v0'], ['hello\n'])
1563.2.11 by Robert Collins
Consolidate reweave and join as we have no separate usage, make reweave tests apply to all versionedfile implementations and deprecate the old reweave apis.
739
        wa.join(wb)
740
        self.assertEqual(['v0'], wa.get_parents('v1'))
1393.1.67 by Martin Pool
- test that we cannot join weaves with different ancestry
741
742
    def test_join_text_disagreement(self):
743
        """Cannot join weaves with different texts for a version."""
744
        wa = Weave()
745
        wb = Weave()
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
746
        wa.add_lines('v1', [], ['hello\n'])
747
        wb.add_lines('v1', [], ['not\n', 'hello\n'])
1393.1.67 by Martin Pool
- test that we cannot join weaves with different ancestry
748
        self.assertRaises(WeaveError,
749
                          wa.join, wb)
750
1393.1.66 by Martin Pool
- fix join of weaves where parents occur at different offsets
751
    def test_join_unordered(self):
752
        """Join weaves where indexes differ.
753
        
754
        The source weave contains a different version at index 0."""
755
        wa = self.weave1.copy()
756
        wb = Weave()
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
757
        wb.add_lines('x1', [], ['line from x1\n'])
758
        wb.add_lines('v1', [], ['hello\n'])
759
        wb.add_lines('v2', ['v1'], ['hello\n', 'world\n'])
1393.1.66 by Martin Pool
- fix join of weaves where parents occur at different offsets
760
        wa.join(wb)
761
        eq = self.assertEquals
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
762
        eq(sorted(wa.versions()), ['v1', 'v2', 'v3', 'x1',])
1393.1.66 by Martin Pool
- fix join of weaves where parents occur at different offsets
763
        eq(wa.get_text('x1'), 'line from x1\n')
1185.50.23 by John Arbash Meinel
Adding sha1 check when weave extracts a text.
764
765
    def test_written_detection(self):
1185.50.29 by John Arbash Meinel
Whitespace and other formatting cleanups suggested by Robert.
766
        # Test detection of weave file corruption.
767
        #
768
        # Make sure that we can detect if a weave file has
769
        # been corrupted. This doesn't test all forms of corruption,
770
        # but it at least helps verify the data you get, is what you want.
1185.50.23 by John Arbash Meinel
Adding sha1 check when weave extracts a text.
771
        from cStringIO import StringIO
772
773
        w = Weave()
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
774
        w.add_lines('v1', [], ['hello\n'])
775
        w.add_lines('v2', ['v1'], ['hello\n', 'there\n'])
1185.50.23 by John Arbash Meinel
Adding sha1 check when weave extracts a text.
776
777
        tmpf = StringIO()
778
        write_weave(w, tmpf)
779
780
        # Because we are corrupting, we need to make sure we have the exact text
781
        self.assertEquals('# bzr weave file v5\n'
782
                          'i\n1 f572d396fae9206628714fb2ce00f72e94f2258f\nn v1\n\n'
783
                          'i 0\n1 90f265c6e75f1c8f9ab76dcf85528352c5f215ef\nn v2\n\n'
784
                          'w\n{ 0\n. hello\n}\n{ 1\n. there\n}\nW\n',
785
                          tmpf.getvalue())
786
787
        # Change a single letter
788
        tmpf = StringIO('# bzr weave file v5\n'
789
                        'i\n1 f572d396fae9206628714fb2ce00f72e94f2258f\nn v1\n\n'
790
                        'i 0\n1 90f265c6e75f1c8f9ab76dcf85528352c5f215ef\nn v2\n\n'
791
                        'w\n{ 0\n. hello\n}\n{ 1\n. There\n}\nW\n')
792
793
        w = read_weave(tmpf)
794
795
        self.assertEqual('hello\n', w.get_text('v1'))
796
        self.assertRaises(errors.WeaveInvalidChecksum, w.get_text, 'v2')
797
        self.assertRaises(errors.WeaveInvalidChecksum, w.get_lines, 'v2')
1185.50.26 by John Arbash Meinel
Change Weave.check() so that it checks all revisions in parallel.
798
        self.assertRaises(errors.WeaveInvalidChecksum, w.check)
1185.50.23 by John Arbash Meinel
Adding sha1 check when weave extracts a text.
799
800
        # Change the sha checksum
801
        tmpf = StringIO('# bzr weave file v5\n'
802
                        'i\n1 f572d396fae9206628714fb2ce00f72e94f2258f\nn v1\n\n'
803
                        'i 0\n1 f0f265c6e75f1c8f9ab76dcf85528352c5f215ef\nn v2\n\n'
804
                        'w\n{ 0\n. hello\n}\n{ 1\n. there\n}\nW\n')
805
806
        w = read_weave(tmpf)
807
808
        self.assertEqual('hello\n', w.get_text('v1'))
809
        self.assertRaises(errors.WeaveInvalidChecksum, w.get_text, 'v2')
810
        self.assertRaises(errors.WeaveInvalidChecksum, w.get_lines, 'v2')
1185.50.26 by John Arbash Meinel
Change Weave.check() so that it checks all revisions in parallel.
811
        self.assertRaises(errors.WeaveInvalidChecksum, w.check)
1185.50.23 by John Arbash Meinel
Adding sha1 check when weave extracts a text.
812
813
1551.3.11 by Aaron Bentley
Merge from Robert
814
class InstrumentedWeave(Weave):
815
    """Keep track of how many times functions are called."""
816
    
817
    def __init__(self, weave_name=None):
818
        self._extract_count = 0
819
        Weave.__init__(self, weave_name=weave_name)
820
821
    def _extract(self, versions):
822
        self._extract_count += 1
823
        return Weave._extract(self, versions)
824
825
826
class JoinOptimization(TestCase):
827
    """Test that Weave.join() doesn't extract all texts, only what must be done."""
828
829
    def test_join(self):
830
        w1 = InstrumentedWeave()
831
        w2 = InstrumentedWeave()
832
833
        txt0 = ['a\n']
834
        txt1 = ['a\n', 'b\n']
835
        txt2 = ['a\n', 'c\n']
836
        txt3 = ['a\n', 'b\n', 'c\n']
837
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
838
        w1.add_lines('txt0', [], txt0) # extract 1a
839
        w2.add_lines('txt0', [], txt0) # extract 1b
840
        w1.add_lines('txt1', ['txt0'], txt1)# extract 2a
841
        w2.add_lines('txt2', ['txt0'], txt2)# extract 2b
1551.3.11 by Aaron Bentley
Merge from Robert
842
        w1.join(w2) # extract 3a to add txt2 
843
        w2.join(w1) # extract 3b to add txt1 
844
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
845
        w1.add_lines('txt3', ['txt1', 'txt2'], txt3) # extract 4a 
846
        w2.add_lines('txt3', ['txt2', 'txt1'], txt3) # extract 4b
1551.3.11 by Aaron Bentley
Merge from Robert
847
        # These secretly have inverted parents
848
849
        # This should not have to do any extractions
850
        w1.join(w2) # NO extract, texts already present with same parents
851
        w2.join(w1) # NO extract, texts already present with same parents
852
853
        self.assertEqual(4, w1._extract_count)
854
        self.assertEqual(4, w2._extract_count)
855
856
    def test_double_parent(self):
857
        # It should not be considered illegal to add
858
        # a revision with the same parent twice
859
        w1 = InstrumentedWeave()
860
        w2 = InstrumentedWeave()
861
862
        txt0 = ['a\n']
863
        txt1 = ['a\n', 'b\n']
864
        txt2 = ['a\n', 'c\n']
865
        txt3 = ['a\n', 'b\n', 'c\n']
866
1563.2.35 by Robert Collins
cleanup deprecation warnings and finish conversion so the inventory is knit based too.
867
        w1.add_lines('txt0', [], txt0)
868
        w2.add_lines('txt0', [], txt0)
869
        w1.add_lines('txt1', ['txt0'], txt1)
870
        w2.add_lines('txt1', ['txt0', 'txt0'], txt1)
1551.3.11 by Aaron Bentley
Merge from Robert
871
        # Same text, effectively the same, because the
872
        # parent is only repeated
873
        w1.join(w2) # extract 3a to add txt2 
874
        w2.join(w1) # extract 3b to add txt1 
875
876
1616.1.18 by Martin Pool
(weave-merge) don't treat killed-both lines as points of agreement;
877
class TestNeedsReweave(TestCase):
1563.2.24 by Robert Collins
Make join cheaper for compatibly inconsistent parents.
878
    """Internal corner cases for when reweave is needed."""
879
880
    def test_compatible_parents(self):
881
        w1 = Weave('a')
882
        my_parents = set([1, 2, 3])
883
        # subsets are ok
884
        self.assertTrue(w1._compatible_parents(my_parents, set([3])))
885
        # same sets
886
        self.assertTrue(w1._compatible_parents(my_parents, set(my_parents)))
887
        # same empty corner case
888
        self.assertTrue(w1._compatible_parents(set(), set()))
889
        # other cannot contain stuff my_parents does not
890
        self.assertFalse(w1._compatible_parents(set(), set([1])))
891
        self.assertFalse(w1._compatible_parents(my_parents, set([1, 2, 3, 4])))
892
        self.assertFalse(w1._compatible_parents(my_parents, set([4])))