2820
2820
preview = TransformPreview(revision_tree)
2821
2821
self.addCleanup(preview.finalize)
2822
2822
preview.new_file('file', preview.root, [b'contents'], b'file-id')
2824
2824
preview_tree = preview.get_preview_tree()
2825
2825
self.assertEqual('file', preview_tree.kind('file'))
2826
2826
self.assertEqual('directory', preview_tree.kind('directory'))