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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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from cStringIO import StringIO
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from tempfile import TemporaryFile
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revision as _mod_revision,
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from bzrlib.diff import (
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from bzrlib.symbol_versioning import deprecated_in
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from bzrlib.tests import test_win32utils
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class _AttribFeature(tests.Feature):
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from bzrlib.errors import BinaryFile, NoDiff, ExecutableMissing
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import bzrlib.osutils as osutils
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import bzrlib.patiencediff
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import bzrlib._patiencediff_py
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from bzrlib.tests import (Feature, TestCase, TestCaseWithTransport,
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TestCaseInTempDir, TestSkipped)
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class _CompiledPatienceDiffFeature(Feature):
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if (sys.platform not in ('cygwin', 'win32')):
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proc = subprocess.Popen(['attrib', '.'], stdout=subprocess.PIPE)
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import bzrlib._patiencediff_c
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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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return 'bzrlib._patiencediff_c'
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CompiledPatienceDiffFeature = _CompiledPatienceDiffFeature()
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class _UnicodeFilename(Feature):
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"""Does the filesystem support Unicode filenames?"""
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except UnicodeEncodeError:
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except (IOError, OSError):
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# The filesystem allows the Unicode filename but the file doesn't
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# The filesystem allows the Unicode filename and the file exists,
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UnicodeFilename = _UnicodeFilename()
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class TestUnicodeFilename(TestCase):
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def test_probe_passes(self):
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"""UnicodeFilename._probe passes."""
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# We can't test much more than that because the behaviour depends
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UnicodeFilename._probe()
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def udiff_lines(old, new, allow_binary=False):
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output = StringIO()
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diff.internal_diff('old', old, 'new', new, output, allow_binary)
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internal_diff('old', old, 'new', new, output, allow_binary)
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return output.readlines()
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tree.rename_one('file', 'newname')
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self.build_tree_contents([('tree/newname', 'new contents\n')])
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d = self.get_diff(tree.basis_tree(), tree)
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self.assertContainsRe(d, "=== renamed file 'file' => 'newname'\n")
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self.assertContainsRe(d, '--- old/file\t')
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self.assertContainsRe(d, '\\+\\+\\+ new/newname\t')
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self.assertContainsRe(d, '-contents\n'
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def test_internal_diff_exec_property(self):
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tree = self.make_branch_and_tree('tree')
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tt = transform.TreeTransform(tree)
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tt.new_file('a', tt.root, 'contents\n', 'a-id', True)
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tt.new_file('b', tt.root, 'contents\n', 'b-id', False)
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tt.new_file('c', tt.root, 'contents\n', 'c-id', True)
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tt.new_file('d', tt.root, 'contents\n', 'd-id', False)
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tt.new_file('e', tt.root, 'contents\n', 'control-e-id', True)
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tt.new_file('f', tt.root, 'contents\n', 'control-f-id', False)
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tree.commit('one', rev_id='rev-1')
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tt = transform.TreeTransform(tree)
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tt.set_executability(False, tt.trans_id_file_id('a-id'))
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tt.set_executability(True, tt.trans_id_file_id('b-id'))
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tt.set_executability(False, tt.trans_id_file_id('c-id'))
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tt.set_executability(True, tt.trans_id_file_id('d-id'))
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tree.rename_one('c', 'new-c')
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tree.rename_one('d', 'new-d')
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d = self.get_diff(tree.basis_tree(), tree)
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self.assertContainsRe(d, r"file 'a'.*\(properties changed:"
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self.assertContainsRe(d, r"file 'b'.*\(properties changed:"
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self.assertContainsRe(d, r"file 'c'.*\(properties changed:"
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self.assertContainsRe(d, r"file 'd'.*\(properties changed:"
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self.assertNotContainsRe(d, r"file 'e'")
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self.assertNotContainsRe(d, r"file 'f'")
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diff = self.get_diff(tree.basis_tree(), tree)
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self.assertContainsRe(diff, "=== renamed file 'file' => 'newname'\n")
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self.assertContainsRe(diff, '--- old/file\t')
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self.assertContainsRe(diff, '\\+\\+\\+ new/newname\t')
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self.assertContainsRe(diff, '-contents\n'
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def test_binary_unicode_filenames(self):
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"""Test that contents of files are *not* encoded in UTF-8 when there
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is a binary file in the diff.
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# See https://bugs.launchpad.net/bugs/110092.
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self.requireFeature(tests.UnicodeFilenameFeature)
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self.requireFeature(UnicodeFilename)
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# This bug isn't triggered with cStringIO.
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from StringIO import StringIO
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class TestPatienceDiffLibFiles_c(TestPatienceDiffLibFiles):
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_test_needs_features = [compiled_patiencediff_feature]
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_test_needs_features = [CompiledPatienceDiffFeature]
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def setUp(self):
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super(TestPatienceDiffLibFiles_c, self).setUp()
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from bzrlib import _patiencediff_c
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import bzrlib._patiencediff_c
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self._PatienceSequenceMatcher = \
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_patiencediff_c.PatienceSequenceMatcher_c
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class TestUsingCompiledIfAvailable(tests.TestCase):
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bzrlib._patiencediff_c.PatienceSequenceMatcher_c
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class TestUsingCompiledIfAvailable(TestCase):
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def test_PatienceSequenceMatcher(self):
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if compiled_patiencediff_feature.available():
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if CompiledPatienceDiffFeature.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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bzrlib.patiencediff.PatienceSequenceMatcher)
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from bzrlib._patiencediff_py import PatienceSequenceMatcher_py
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self.assertIs(PatienceSequenceMatcher_py,
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patiencediff.PatienceSequenceMatcher)
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bzrlib.patiencediff.PatienceSequenceMatcher)
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def test_unique_lcs(self):
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if compiled_patiencediff_feature.available():
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if CompiledPatienceDiffFeature.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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bzrlib.patiencediff.unique_lcs)
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from bzrlib._patiencediff_py import unique_lcs_py
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self.assertIs(unique_lcs_py,
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patiencediff.unique_lcs)
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bzrlib.patiencediff.unique_lcs)
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def test_recurse_matches(self):
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if compiled_patiencediff_feature.available():
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if CompiledPatienceDiffFeature.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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bzrlib.patiencediff.recurse_matches)
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from bzrlib._patiencediff_py import recurse_matches_py
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self.assertIs(recurse_matches_py,
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patiencediff.recurse_matches)
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class TestDiffFromTool(tests.TestCaseWithTransport):
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bzrlib.patiencediff.recurse_matches)
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class TestDiffFromTool(TestCaseWithTransport):
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def test_from_string(self):
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diff_obj = diff.DiffFromTool.from_string('diff', None, None, None)
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diff_obj = DiffFromTool.from_string('diff', None, None, None)
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self.addCleanup(diff_obj.finish)
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self.assertEqual(['diff', '@old_path', '@new_path'],
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self.assertEqual(['diff', '%(old_path)s', '%(new_path)s'],
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diff_obj.command_template)
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def test_from_string_u5(self):
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diff_obj = diff.DiffFromTool.from_string('diff "-u 5"',
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self.addCleanup(diff_obj.finish)
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self.assertEqual(['diff', '-u 5', '@old_path', '@new_path'],
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diff_obj = DiffFromTool.from_string('diff -u\\ 5', None, None, None)
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self.assertEqual(['diff', '-u 5', '%(old_path)s', '%(new_path)s'],
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diff_obj.command_template)
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self.assertEqual(['diff', '-u 5', 'old-path', 'new-path'],
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diff_obj._get_command('old-path', 'new-path'))
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def test_from_string_path_with_backslashes(self):
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self.requireFeature(test_win32utils.BackslashDirSeparatorFeature)
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tool = 'C:\\Tools\\Diff.exe'
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diff_obj = diff.DiffFromTool.from_string(tool, None, None, None)
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self.addCleanup(diff_obj.finish)
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self.assertEqual(['C:\\Tools\\Diff.exe', '@old_path', '@new_path'],
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diff_obj.command_template)
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self.assertEqual(['C:\\Tools\\Diff.exe', 'old-path', 'new-path'],
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diff_obj._get_command('old-path', 'new-path'))
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def test_execute(self):
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output = StringIO()
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diff_obj = diff.DiffFromTool(['python', '-c',
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'print "@old_path @new_path"'],
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diff_obj = DiffFromTool(['python', '-c',
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'print "%(old_path)s %(new_path)s"'],
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self.addCleanup(diff_obj.finish)
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diff_obj._execute('old', 'new')
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self.assertEqual(output.getvalue().rstrip(), 'old new')
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self.assertEqual(output.getvalue(), 'old new\n')
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def test_excute_missing(self):
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diff_obj = diff.DiffFromTool(['a-tool-which-is-unlikely-to-exist'],
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diff_obj = DiffFromTool(['a-tool-which-is-unlikely-to-exist'],
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self.addCleanup(diff_obj.finish)
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e = self.assertRaises(errors.ExecutableMissing, diff_obj._execute,
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e = self.assertRaises(ExecutableMissing, diff_obj._execute, 'old',
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self.assertEqual('a-tool-which-is-unlikely-to-exist could not be found'
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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(AttribFeature)
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def test_prepare_files(self):
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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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self.build_tree_contents([('tree/file', 'oldcontent')])
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tree.add('file', 'file-id')
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tree.commit('old tree')
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self.addCleanup(tree.unlock)
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basis_tree = tree.basis_tree()
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basis_tree.lock_read()
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self.addCleanup(basis_tree.unlock)
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diff_obj = diff.DiffFromTool(['python', '-c',
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'print "@old_path @new_path"'],
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basis_tree, tree, output)
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diff_obj._prepare_files('file-id', 'file', 'file')
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# The old content should be readonly
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self.assertReadableByAttrib(diff_obj._root, 'old\\file',
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# The new content should use the tree object, not a 'new' file anymore
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self.assertEndsWith(tree.basedir, 'work/tree')
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self.assertReadableByAttrib(tree.basedir, 'file', r'work\\tree\\file$')
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def assertReadableByAttrib(self, cwd, relpath, regex):
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proc = subprocess.Popen(['attrib', relpath],
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stdout=subprocess.PIPE,
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(result, err) = proc.communicate()
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self.assertContainsRe(result.replace('\r\n', '\n'), regex)
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def test_prepare_files(self):
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tree = self.make_branch_and_tree('tree')
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self.build_tree_contents([('tree/oldname', 'oldcontent')])
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self.build_tree_contents([('tree/oldname2', 'oldcontent2')])
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tree.add('oldname', 'file-id')
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tree.add('oldname2', 'file2-id')
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# Earliest allowable date on FAT32 filesystems is 1980-01-01
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tree.commit('old tree', timestamp=315532800)
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tree.rename_one('oldname', 'newname')
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tree.rename_one('oldname2', 'newname2')
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self.build_tree_contents([('tree/newname', 'newcontent')])
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self.build_tree_contents([('tree/newname2', 'newcontent2')])
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self.build_tree_contents([('tree/file', 'newcontent')])
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old_tree = tree.basis_tree()
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old_tree.lock_read()
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self.addCleanup(old_tree.unlock)
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self.addCleanup(tree.unlock)
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diff_obj = diff.DiffFromTool(['python', '-c',
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'print "@old_path @new_path"'],
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old_tree, tree, output)
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diff_obj = DiffFromTool(['python', '-c',
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'print "%(old_path)s %(new_path)s"'],
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old_tree, tree, output)
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self.addCleanup(diff_obj.finish)
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self.assertContainsRe(diff_obj._root, 'bzr-diff-[^/]*')
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old_path, new_path = diff_obj._prepare_files('file-id', 'oldname',
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self.assertContainsRe(old_path, 'old/oldname$')
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self.assertEqual(315532800, os.stat(old_path).st_mtime)
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self.assertContainsRe(new_path, 'tree/newname$')
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self.assertContainsRe(new_path, 'new/newname$')
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self.assertFileEqual('oldcontent', old_path)
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self.assertFileEqual('newcontent', new_path)
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if osutils.host_os_dereferences_symlinks():
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self.assertTrue(os.path.samefile('tree/newname', new_path))
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# make sure we can create files with the same parent directories
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diff_obj._prepare_files('file2-id', 'oldname2', 'newname2')
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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. Overridden by
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TestGetTreesAndBranchesToDiff.
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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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def test_basic(self):
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tree = self.make_branch_and_tree('tree')
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(old_tree, new_tree,
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old_branch, new_branch,
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specific_files, extra_trees) = self.call_gtabtd(
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['tree'], None, None, None)
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self.assertIsInstance(old_tree, revisiontree.RevisionTree)
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self.assertEqual(_mod_revision.NULL_REVISION,
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old_tree.get_revision_id())
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self.assertEqual(tree.basedir, new_tree.basedir)
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self.assertEqual(tree.branch.base, old_branch.base)
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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.assertIs(None, extra_trees)
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def test_with_rev_specs(self):
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tree = self.make_branch_and_tree('tree')
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self.build_tree_contents([('tree/file', 'oldcontent')])
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tree.add('file', 'file-id')
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tree.commit('old tree', timestamp=0, rev_id="old-id")
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self.build_tree_contents([('tree/file', 'newcontent')])
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tree.commit('new tree', timestamp=0, rev_id="new-id")
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revisions = [revisionspec.RevisionSpec.from_string('1'),
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revisionspec.RevisionSpec.from_string('2')]
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(old_tree, new_tree,
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old_branch, new_branch,
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specific_files, extra_trees) = self.call_gtabtd(
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['tree'], revisions, None, None)
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self.assertIsInstance(old_tree, revisiontree.RevisionTree)
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self.assertEqual("old-id", old_tree.get_revision_id())
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self.assertIsInstance(new_tree, revisiontree.RevisionTree)
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self.assertEqual("new-id", new_tree.get_revision_id())
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self.assertEqual(tree.branch.base, old_branch.base)
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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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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)
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diff_obj._prepare_files('file-id', 'oldname2', 'newname2')