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Viewing changes to bzrlib/tests/test_diff.py

  • Committer: Samuel Bronson
  • Date: 2012-08-30 20:36:18 UTC
  • mto: (6015.57.3 2.4)
  • mto: This revision was merged to the branch mainline in revision 6558.
  • Revision ID: naesten@gmail.com-20120830203618-y2dzw91nqpvpgxvx
Update INSTALL for switch to Python 2.6 and up.

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bzrlib/tests/test_diff.py
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from bzrlib.symbol_versioning import deprecated_in
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from bzrlib.tests import features, EncodingAdapter
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from bzrlib.tests.blackbox.test_diff import subst_dates
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from bzrlib.tests import (
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    features,
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    )
 
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class _AttribFeature(tests.Feature):
 
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    def _probe(self):
 
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        if (sys.platform not in ('cygwin', 'win32')):
 
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            return False
 
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        try:
 
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            proc = subprocess.Popen(['attrib', '.'], stdout=subprocess.PIPE)
 
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        except OSError, e:
 
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            return False
 
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        return (0 == proc.wait())
 
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    def feature_name(self):
 
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        return 'attrib Windows command-line tool'
 
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AttribFeature = _AttribFeature()
 
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compiled_patiencediff_feature = tests.ModuleAvailableFeature(
 
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                                    'bzrlib._patiencediff_c')
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def udiff_lines(old, new, allow_binary=False):
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        lines = external_udiff_lines(['\x00foobar\n'], ['foo\x00bar\n'])
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        cmd = ['diff', '-u', '--binary', 'old', 'new']
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        with open('old', 'wb') as f: f.write('\x00foobar\n')
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        with open('new', 'wb') as f: f.write('foo\x00bar\n')
 
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        open('old', 'wb').write('\x00foobar\n')
 
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        open('new', 'wb').write('foo\x00bar\n')
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        pipe = subprocess.Popen(cmd, stdout=subprocess.PIPE,
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                                     stdin=subprocess.PIPE)
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        out, err = pipe.communicate()
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        is a binary file in the diff.
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        """
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        # See https://bugs.launchpad.net/bugs/110092.
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        self.requireFeature(features.UnicodeFilenameFeature)
 
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        self.requireFeature(tests.UnicodeFilenameFeature)
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        # This bug isn't triggered with cStringIO.
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        from StringIO import StringIO
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    def test_unicode_filename(self):
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        """Test when the filename are unicode."""
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        self.requireFeature(features.UnicodeFilenameFeature)
 
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        self.requireFeature(tests.UnicodeFilenameFeature)
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        alpha, omega = u'\u03b1', u'\u03c9'
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        autf8, outf8 = alpha.encode('utf8'), omega.encode('utf8')
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        """Test for bug #382699: unicode filenames on Windows should be shown
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        in user encoding.
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        """
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        self.requireFeature(features.UnicodeFilenameFeature)
 
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        self.requireFeature(tests.UnicodeFilenameFeature)
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        # The word 'test' in Russian
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        _russian_test = u'\u0422\u0435\u0441\u0442'
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        directory = _russian_test + u'/'
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             ' \@\@\n-old\n\+new\n\n')
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    def test_diff_kind_change(self):
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        self.requireFeature(features.SymlinkFeature)
 
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        self.requireFeature(tests.SymlinkFeature)
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        self.build_tree_contents([('old-tree/olddir/',),
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                                  ('old-tree/olddir/oldfile', 'old\n')])
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        self.old_tree.add('olddir')
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class TestPatienceDiffLib_c(TestPatienceDiffLib):
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    _test_needs_features = [features.compiled_patiencediff_feature]
 
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    _test_needs_features = [compiled_patiencediff_feature]
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    def setUp(self):
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        super(TestPatienceDiffLib_c, self).setUp()
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                 'how are you today?\n']
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        txt_b = ['hello there\n',
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                 'how are you today?\n']
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        with open('a1', 'wb') as f: f.writelines(txt_a)
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        with open('b1', 'wb') as f: f.writelines(txt_b)
 
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        open('a1', 'wb').writelines(txt_a)
 
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        open('b1', 'wb').writelines(txt_b)
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        unified_diff_files = patiencediff.unified_diff_files
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        psm = self._PatienceSequenceMatcher
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        txt_a = map(lambda x: x+'\n', 'abcdefghijklmnop')
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        txt_b = map(lambda x: x+'\n', 'abcdefxydefghijklmnop')
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        with open('a2', 'wb') as f: f.writelines(txt_a)
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        with open('b2', 'wb') as f: f.writelines(txt_b)
 
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        open('a2', 'wb').writelines(txt_a)
 
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        open('b2', 'wb').writelines(txt_b)
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        # This is the result with LongestCommonSubstring matching
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        self.assertEquals(['--- a2\n',
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class TestPatienceDiffLibFiles_c(TestPatienceDiffLibFiles):
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    _test_needs_features = [features.compiled_patiencediff_feature]
 
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    _test_needs_features = [compiled_patiencediff_feature]
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    def setUp(self):
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        super(TestPatienceDiffLibFiles_c, self).setUp()
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class TestUsingCompiledIfAvailable(tests.TestCase):
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    def test_PatienceSequenceMatcher(self):
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        if features.compiled_patiencediff_feature.available():
 
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        if compiled_patiencediff_feature.available():
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            from bzrlib._patiencediff_c import PatienceSequenceMatcher_c
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            self.assertIs(PatienceSequenceMatcher_c,
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                          patiencediff.PatienceSequenceMatcher)
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                          patiencediff.PatienceSequenceMatcher)
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    def test_unique_lcs(self):
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        if features.compiled_patiencediff_feature.available():
 
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        if compiled_patiencediff_feature.available():
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            from bzrlib._patiencediff_c import unique_lcs_c
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            self.assertIs(unique_lcs_c,
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                          patiencediff.unique_lcs)
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                          patiencediff.unique_lcs)
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    def test_recurse_matches(self):
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        if features.compiled_patiencediff_feature.available():
 
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        if compiled_patiencediff_feature.available():
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            from bzrlib._patiencediff_c import recurse_matches_c
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            self.assertIs(recurse_matches_c,
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                          patiencediff.recurse_matches)
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                         ' on this machine', str(e))
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    def test_prepare_files_creates_paths_readable_by_windows_tool(self):
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        self.requireFeature(features.AttribFeature)
 
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        self.requireFeature(AttribFeature)
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        output = StringIO()
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        tree = self.make_branch_and_tree('tree')
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        self.build_tree_contents([('tree/file', 'content')])
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class TestGetTreesAndBranchesToDiffLocked(tests.TestCaseWithTransport):
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    def call_gtabtd(self, path_list, revision_specs, old_url, new_url):
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        """Call get_trees_and_branches_to_diff_locked."""
 
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        """Call get_trees_and_branches_to_diff_locked.  Overridden by
 
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        TestGetTreesAndBranchesToDiff.
 
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        """
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        return diff.get_trees_and_branches_to_diff_locked(
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            path_list, revision_specs, old_url, new_url, self.addCleanup)
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        self.assertEqual(tree.branch.base, new_branch.base)
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        self.assertIs(None, specific_files)
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        self.assertEqual(tree.basedir, extra_trees[0].basedir)
 
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class TestGetTreesAndBranchesToDiff(TestGetTreesAndBranchesToDiffLocked):
 
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    """Apply the tests for get_trees_and_branches_to_diff_locked to the
 
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    deprecated get_trees_and_branches_to_diff function.
 
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    """
 
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    def call_gtabtd(self, path_list, revision_specs, old_url, new_url):
 
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        return self.applyDeprecated(
 
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            deprecated_in((2, 2, 0)), diff.get_trees_and_branches_to_diff,
 
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            path_list, revision_specs, old_url, new_url)