def test_compare_calls_InterTree_compare(self):
"""This test tests the way Tree.compare() uses InterTree."""
old_optimisers = InterTree._optimisers
try:
InterTree._optimisers = []
RecordingOptimiser.calls = []
InterTree.register_optimiser(RecordingOptimiser)
tree = self.make_branch_and_tree('1')
tree2 = self.make_branch_and_tree('2')
# do a series of calls:
# trivial usage
tree.changes_from(tree2)
# pass in all optional arguments by position
tree.changes_from(tree2, 'unchanged', 'specific', 'extra',
'require', True)
# pass in all optional arguments by keyword
tree.changes_from(tree2,
specific_files='specific',
want_unchanged='unchanged',
extra_trees='extra',
require_versioned='require',
include_root=True,
want_unversioned=True,
)
finally:
InterTree._optimisers = old_optimisers
self.assertEqual(
[
('compare', tree2, tree, False, None, None, False, False, False),
('compare', tree2, tree, 'unchanged', 'specific', 'extra',
'require', True, False),
('compare', tree2, tree, 'unchanged', 'specific', 'extra',
'require', True, True),
], RecordingOptimiser.calls)
