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Viewing changes to breezy/tests/test_rename_map.py

  • Committer: Jelmer Vernooij
  • Date: 2020-03-22 01:35:14 UTC
  • mfrom: (7490.7.6 work)
  • mto: This revision was merged to the branch mainline in revision 7499.
  • Revision ID: jelmer@jelmer.uk-20200322013514-7vw1ntwho04rcuj3
merge lp:brz/3.1.

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breezy/tests/test_rename_map.py
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class TestRenameMap(TestCaseWithTransport):
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    a_lines = 'a\nb\nc\n'.splitlines(True)
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    b_lines = 'b\nc\nd\n'.splitlines(True)
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    a_lines = b'a\nb\nc\n'.splitlines(True)
 
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    b_lines = b'b\nc\nd\n'.splitlines(True)
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    def test_add_edge_hashes(self):
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        rn = RenameMap(None)
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    def test_add_file_edge_hashes(self):
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        tree = self.make_branch_and_tree('tree')
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        self.build_tree_contents([('tree/a', ''.join(self.a_lines))])
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        tree.add('a', 'a')
 
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        self.build_tree_contents([('tree/a', b''.join(self.a_lines))])
 
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        tree.add('a', b'a')
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        rn = RenameMap(tree)
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        rn.add_file_edge_hashes(tree, ['a'])
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        self.assertEqual({'a'}, rn.edge_hashes[myhash(('a\n', 'b\n'))])
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        self.assertEqual({'a'}, rn.edge_hashes[myhash(('b\n', 'c\n'))])
 
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        rn.add_file_edge_hashes(tree, [b'a'])
 
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        self.assertEqual({b'a'}, rn.edge_hashes[myhash(('a\n', 'b\n'))])
 
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        self.assertEqual({b'a'}, rn.edge_hashes[myhash(('b\n', 'c\n'))])
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        self.assertIs(None, rn.edge_hashes.get(myhash(('c\n', 'd\n'))))
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    def test_hitcounts(self):
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        rn = RenameMap(tree)
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        rn.add_edge_hashes(self.a_lines, 'aid')
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        rn.add_edge_hashes(self.b_lines, 'bid')
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        self.build_tree_contents([('tree/a', ''.join(self.a_lines))])
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        self.build_tree_contents([('tree/b', ''.join(self.b_lines))])
 
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        self.build_tree_contents([('tree/a', b''.join(self.a_lines))])
 
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        self.build_tree_contents([('tree/b', b''.join(self.b_lines))])
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        self.assertEqual({'a': 'aid', 'b': 'bid'},
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                         rn.file_match(['a', 'b']))
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        tree = self.make_branch_and_tree('tree')
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        rn = RenameMap(tree)
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        rn.add_edge_hashes(self.a_lines, 'aid')
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        self.build_tree_contents([('tree/a', ''.join(self.a_lines))])
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        self.build_tree_contents([('tree/b', ''.join(self.b_lines))])
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        self.build_tree_contents([('tree/c', ''.join(self.b_lines))])
 
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        self.build_tree_contents([('tree/a', b''.join(self.a_lines))])
 
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        self.build_tree_contents([('tree/b', b''.join(self.b_lines))])
 
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        self.build_tree_contents([('tree/c', b''.join(self.b_lines))])
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        self.assertEqual({'a': 'aid'},
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                         rn.file_match(['a', 'b', 'c']))
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        tree.lock_write()
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        self.addCleanup(tree.unlock)
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        self.build_tree(['tree/file'])
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        tree.add('file', 'file-id')
 
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        tree.add('file', b'file-id')
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        tree.commit('Added file')
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        os.rename('tree/file', 'tree/file2')
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        RenameMap.guess_renames(tree)
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        self.assertEqual('file2', tree.id2path('file-id'))
 
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        RenameMap.guess_renames(tree.basis_tree(), tree)
 
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        self.assertEqual('file2', tree.id2path(b'file-id'))
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    def test_guess_renames_handles_directories(self):
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        tree = self.make_branch_and_tree('tree')
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        tree.lock_write()
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        self.addCleanup(tree.unlock)
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        self.build_tree(['tree/dir/', 'tree/dir/file'])
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        tree.add(['dir', 'dir/file'], ['dir-id', 'file-id'])
 
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        tree.add(['dir', 'dir/file'], [b'dir-id', b'file-id'])
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        tree.commit('Added file')
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        os.rename('tree/dir', 'tree/dir2')
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        RenameMap.guess_renames(tree)
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        self.assertEqual('dir2/file', tree.id2path('file-id'))
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        self.assertEqual('dir2', tree.id2path('dir-id'))
 
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        RenameMap.guess_renames(tree.basis_tree(), tree)
 
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        self.assertEqual('dir2/file', tree.id2path(b'file-id'))
 
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        self.assertEqual('dir2', tree.id2path(b'dir-id'))
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    def test_guess_renames_handles_grandparent_directories(self):
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        tree = self.make_branch_and_tree('tree')
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                         'tree/topdir/middledir/',
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                         'tree/topdir/middledir/file'])
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        tree.add(['topdir', 'topdir/middledir', 'topdir/middledir/file'],
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                 ['topdir-id', 'middledir-id', 'file-id'])
 
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                 [b'topdir-id', b'middledir-id', b'file-id'])
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        tree.commit('Added files.')
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        os.rename('tree/topdir', 'tree/topdir2')
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        RenameMap.guess_renames(tree)
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        self.assertEqual('topdir2', tree.id2path('topdir-id'))
 
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        RenameMap.guess_renames(tree.basis_tree(), tree)
 
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        self.assertEqual('topdir2', tree.id2path(b'topdir-id'))
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    def test_guess_renames_preserves_children(self):
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        """When a directory has been moved, its children are preserved."""
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        tree = self.make_branch_and_tree('tree')
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        tree.lock_write()
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        self.addCleanup(tree.unlock)
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        self.build_tree_contents([('tree/foo/', ''),
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                                  ('tree/foo/bar', 'bar'),
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                                  ('tree/foo/empty', '')])
 
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        self.build_tree_contents([('tree/foo/', b''),
 
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                                  ('tree/foo/bar', b'bar'),
 
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                                  ('tree/foo/empty', b'')])
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        tree.add(['foo', 'foo/bar', 'foo/empty'],
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                 ['foo-id', 'bar-id', 'empty-id'])
 
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                 [b'foo-id', b'bar-id', b'empty-id'])
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        tree.commit('rev1')
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        os.rename('tree/foo', 'tree/baz')
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        RenameMap.guess_renames(tree)
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        self.assertEqual('baz/empty', tree.id2path('empty-id'))
 
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        RenameMap.guess_renames(tree.basis_tree(), tree)
 
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        self.assertEqual('baz/empty', tree.id2path(b'empty-id'))
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    def test_guess_renames_dry_run(self):
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        tree = self.make_branch_and_tree('tree')
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        tree.lock_write()
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        self.addCleanup(tree.unlock)
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        self.build_tree(['tree/file'])
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        tree.add('file', 'file-id')
 
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        tree.add('file', b'file-id')
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        tree.commit('Added file')
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        os.rename('tree/file', 'tree/file2')
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        RenameMap.guess_renames(tree, dry_run=True)
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        self.assertEqual('file', tree.id2path('file-id'))
 
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        RenameMap.guess_renames(tree.basis_tree(), tree, dry_run=True)
 
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        self.assertEqual('file', tree.id2path(b'file-id'))
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    @staticmethod
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    def captureNotes(cmd, *args, **kwargs):
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        notes = []
 
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        def my_note(fmt, *args):
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            notes.append(fmt % args)
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        old_note = trace.note
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        tree.lock_write()
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        self.addCleanup(tree.unlock)
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        self.build_tree(['tree/file'])
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        tree.add('file', 'file-id')
 
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        tree.add('file', b'file-id')
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        tree.commit('Added file')
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        os.rename('tree/file', 'tree/file2')
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        notes = self.captureNotes(RenameMap.guess_renames, tree,
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                                  dry_run=True)[0]
 
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        notes = self.captureNotes(
 
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            RenameMap.guess_renames, tree.basis_tree(), tree,
 
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            dry_run=True)[0]
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        self.assertEqual('file => file2', ''.join(notes))
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        notes = self.captureNotes(RenameMap.guess_renames, tree,
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                                  dry_run=False)[0]
 
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        notes = self.captureNotes(RenameMap.guess_renames, tree.basis_tree(),
 
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                                  tree, dry_run=False)[0]
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        self.assertEqual('file => file2', ''.join(notes))
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    def test_guess_rename_handles_new_directories(self):
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        """When a file was moved into a new directory."""
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        tree = self.make_branch_and_tree('.')
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        tree.lock_write()
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        #self.addCleanup(tree.unlock)
 
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        # self.addCleanup(tree.unlock)
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        self.build_tree(['file'])
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        tree.add('file', 'file-id')
 
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        tree.add('file', b'file-id')
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        tree.commit('Added file')
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        os.mkdir('folder')
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        os.rename('file', 'folder/file2')
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        notes = self.captureNotes(RenameMap.guess_renames, tree)[0]
 
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        notes = self.captureNotes(
 
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            RenameMap.guess_renames, tree.basis_tree(), tree)[0]
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        self.assertEqual('file => folder/file2', ''.join(notes))
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        tree.unlock()