def testBasicReplace(self):
a = ["a", "b"]
b = ["a", "c"]
self.assertDiff(a, b, [new_chunk(tag='equal', lines=[new_line(0, 0)]),
new_chunk(tag='replace', lines=[new_line(1, 1)])])
def testBasicDelete(self):
a = ["a", "b"]
b = ["a"]
self.assertDiff(a, b, [new_chunk(tag='equal', lines=[new_line(0, 0)]),
new_chunk(tag='delete', lines=[new_line(1, None)])])
def testFakeInserted(self):
a = None
b = ["a"]
self.assertDiff(a, b, [new_chunk(tag='insert', lines=[new_line(0, 0)])])
def testBasicInsert(self):
a = ["a"]
b = ["a", "b"]
self.assertDiff(a, b, [new_chunk(tag='equal', lines=[new_line(0, 0)]),
new_chunk(tag='insert', lines=[new_line(None, 1)])])
def testFakeDeleted(self):
a = ["a"]
b = None
self.assertDiff(a, b, [new_chunk(tag='delete', lines=[new_line(0, 0)])])