def test_context_block_generation(self):
diffs = [
DiffItem(insert, 1),
DiffItem(unchanged, 0),
DiffItem(unchanged, 0),
DiffItem(remove, 1)]
expected = [
Diff.ContextBlock(list, [diffs[0]]),
Diff.ContextBlock(list, [diffs[3]])]
diff_obj = Diff(list, diffs, context_limit=1)
diff_obj.create_context_blocks()
self.assertEqual(
diff_obj.context_blocks, expected)
class DiffComparisonTests(unittest.TestCase):
def setUp(self):
diffs = [
DiffItem(insert, 1),
DiffItem(unchanged, 2),
DiffItem(unchanged, 2),
DiffItem(remove, 3)
]
self.base_diff = Diff(list, diffs, context_limit=1, depth=0)
self.base_diff.create_context_blocks()
self.expected_diff = Diff(list, diffs, context_limit=1, depth=0)
self.expected_diff.create_context_blocks()
def test_diffs_compare_equal(self):
self.assertEqual(self.base_diff, self.expected_diff)
def test_diffs_differ_by_type(self):
self.expected_diff.type = tuple
self.assertNotEqual(self.base_diff, self.expected_diff)
def test_diffs_differ_by_context_limit(self):
self.expected_diff.context_limit = 2
self.assertNotEqual(self.base_diff, self.expected_diff)
def test_diffs_with_different_depths_compare_equal(self):
d1 = diff([1, 2, 3], [2, 3])
d2 = diff({'a': [1, 2, 3]}, {'a': [2, 3]})
self.assertEqual(d1, d2.diffs[0].value)
def test_diffs_differ_by_diffs(self):
self.expected_diff.diffs = []
self.assertNotEqual(self.base_diff, self.expected_diff)
def test_diffs_differ_by_context_blocks(self):
self.expected_diff.context_blocks = []
self.assertNotEqual(self.base_diff, self.expected_diff)