def test_type_error_when_none(self):
with pytest.raises(TypeError):
lenght_of_segment.distance(None)
def test_only_horizontal(self):
self.assertEquals(lenght_of_segment.distance(1, 3, 4, 3), 3)
def test_only_vertical(self):
self.assertEquals(lenght_of_segment.distance(0, 5, 0, 7), 2)
def test_negative_coordinates(self):
self.assertEquals(lenght_of_segment.distance(-1, -1, -3, -5),
4.47213595499958)
def test_zero_distance(self):
self.assertEquals(lenght_of_segment.distance(3, 3, 3, 3), 0)
def test_value_error_when_aoeu(self):
with pytest.raises(TypeError):
lenght_of_segment.distance("aoeu", 2, 2, 2)