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Viewing changes to bzrlib/tests/test_diff.py

Merge lp:bzr.

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bzrlib/tests/test_diff.py
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    external_diff,
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    internal_diff,
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    show_diff_trees,
 
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    get_trees_and_branches_to_diff,
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    )
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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_py
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from bzrlib.tests import (Feature, TestCase, TestCaseWithTransport,
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                          TestCaseInTempDir, TestSkipped)
 
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from bzrlib.revisiontree import RevisionTree
 
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from bzrlib.revisionspec import RevisionSpec
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class _AttribFeature(Feature):
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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 TestGetTreesAndBranchesToDiff(TestCaseWithTransport):
 
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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) = \
 
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            get_trees_and_branches_to_diff(['tree'], None, None, None)
 
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        self.assertIsInstance(old_tree, RevisionTree)
 
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        #print dir (old_tree)
 
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        self.assertEqual(_mod_revision.NULL_REVISION, 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.from_string('1'),
 
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                     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) = \
 
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            get_trees_and_branches_to_diff(['tree'], revisions, None, None)
 
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        self.assertIsInstance(old_tree, RevisionTree)
 
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        self.assertEqual("old-id", old_tree.get_revision_id())
 
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        self.assertIsInstance(new_tree, 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)