def test_streighten(self): self.assertEqual( vector.streighten((1, 0), (-1, 0)), ((1, 0), (-1, 0))) self.assertEqual( vector.streighten((1, 1), (-1, 1)), ((1, 0), (-1, 0))) self.assertEqual( vector.streighten((1, 0.5), (-1, 0.5)), ((1, 0), (-1, 0)))
def test_length(self): self.assertEqual(vector.length((0, 1)), 1) self.assertEqual(vector.length((3, 4)), 5) self.assertEqual(vector.length((0, 0)), 0)