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Viewing changes to bzrlib/tests/test_transform.py

  • Committer: Aaron Bentley
  • Date: 2007-12-20 20:19:22 UTC
  • mto: This revision was merged to the branch mainline in revision 3235.
  • Revision ID: abentley@panoramicfeedback.com-20071220201922-r6a2vsx612x87yf6
Implement hard-linking for build_tree

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Lines of Context:
bzrlib/tests/test_transform.py
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        # children of non-root directories should not be renamed
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        self.assertEqual(2, transform_result.rename_count)
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    def create_ab_tree(self):
 
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        """Create a committed test tree with two files"""
 
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        source = self.make_branch_and_tree('source')
 
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        self.build_tree_contents([('source/file1', 'A')])
 
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        self.build_tree_contents([('source/file2', 'B')])
 
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        source.add(['file1', 'file2'], ['file1-id', 'file2-id'])
 
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        source.commit('commit files')
 
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        source.lock_write()
 
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        self.addCleanup(source.unlock)
 
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        return source
 
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    def test_build_tree_accelerator_tree(self):
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        source = self.make_branch_and_tree('source')
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        self.build_tree_contents([('source/file1', 'A')])
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        self.build_tree_contents([('source/file2', 'B')])
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        source.add(['file1', 'file2'], ['file1-id', 'file2-id'])
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        source.commit('commit files')
 
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        source = self.create_ab_tree()
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        self.build_tree_contents([('source/file2', 'C')])
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        calls = []
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        real_source_get_file = source.get_file
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            calls.append(file_id)
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            return real_source_get_file(file_id, path)
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        source.get_file = get_file
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        source.lock_read()
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        self.addCleanup(source.unlock)
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        target = self.make_branch_and_tree('target')
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        revision_tree = source.basis_tree()
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        revision_tree.lock_read()
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        self.assertEqual([], list(target._iter_changes(revision_tree)))
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    def test_build_tree_accelerator_tree_missing_file(self):
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        source = self.make_branch_and_tree('source')
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        self.build_tree_contents([('source/file1', 'A')])
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        self.build_tree_contents([('source/file2', 'B')])
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        source.add(['file1', 'file2'])
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        source.commit('commit files')
 
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        source = self.create_ab_tree()
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        os.unlink('source/file1')
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        source.remove(['file2'])
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        target = self.make_branch_and_tree('target')
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            calls.append(file_id)
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            return real_source_get_file(file_id, path)
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        source.get_file = get_file
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        source.lock_read()
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        self.addCleanup(source.unlock)
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        target = self.make_branch_and_tree('target')
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        revision_tree = source.basis_tree()
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        revision_tree.lock_read()
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        self.addCleanup(target.unlock)
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        self.assertEqual([], list(target._iter_changes(revision_tree)))
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    def test_build_tree_hardlink(self):
 
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        self.requireFeature(HardlinkFeature)
 
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        source = self.create_ab_tree()
 
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        target = self.make_branch_and_tree('target')
 
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        revision_tree = source.basis_tree()
 
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        revision_tree.lock_read()
 
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        self.addCleanup(revision_tree.unlock)
 
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        build_tree(revision_tree, target, source, hardlink=True)
 
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        target.lock_read()
 
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        self.addCleanup(target.unlock)
 
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        self.assertEqual([], list(target._iter_changes(revision_tree)))
 
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        source_stat = os.stat('source/file1')
 
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        target_stat = os.stat('target/file1')
 
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        self.assertEqual(source_stat, target_stat)
 
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        # Explicitly disallowing hardlinks should prevent them.
 
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        target2 = self.make_branch_and_tree('target2')
 
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        build_tree(revision_tree, target2, source, hardlink=False)
 
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        target2.lock_read()
 
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        self.addCleanup(target2.unlock)
 
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        self.assertEqual([], list(target2._iter_changes(revision_tree)))
 
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        source_stat = os.stat('source/file1')
 
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        target2_stat = os.stat('target2/file1')
 
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        self.assertNotEqual(source_stat, target2_stat)
 
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    def test_build_tree_hardlinks_preserve_execute(self):
 
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        self.requireFeature(HardlinkFeature)
 
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        source = self.create_ab_tree()
 
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        tt = TreeTransform(source)
 
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        trans_id = tt.trans_id_tree_file_id('file1-id')
 
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        tt.set_executability(True, trans_id)
 
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        tt.apply()
 
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        self.assertTrue(source.is_executable('file1-id'))
 
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        target = self.make_branch_and_tree('target')
 
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        revision_tree = source.basis_tree()
 
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        revision_tree.lock_read()
 
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        self.addCleanup(revision_tree.unlock)
 
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        build_tree(revision_tree, target, source, hardlink=True)
 
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        target.lock_read()
 
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        self.addCleanup(target.unlock)
 
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        self.assertEqual([], list(target._iter_changes(revision_tree)))
 
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        self.assertTrue(source.is_executable('file1-id'))
 
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class MockTransform(object):
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