def test_order_of_points(self):
dist_1 = distance(1.2, 3.4, 5.6, 7.8)
dist_2 = distance(5.6, 7.8, 1.2, 3.4)
assert self.are_floats_equal(dist_1, dist_2)
def test_horizontal_distance(self):
result = distance(1.2, 3.4, 5.6, 3.4)
assert self.are_floats_equal(result, 4.4)
def test_typical_values(self):
result = distance(1.2, 3.4, 5.6, 7.8)
assert self.are_floats_equal(result, 6.22254)
def test_vertical_distance(self):
result = distance(1.2, 3.4, 1.2, 5.6)
assert self.are_floats_equal(result, 2.2)
def test_negative_coordinates(self):
result = distance(-1.2, -3.4, -5.6, -7.8)
assert self.are_floats_equal(result, 6.22254)
def test_zero_length(self):
result = distance(1.2, 3.4, 1.2, 3.4)
assert self.are_floats_equal(result, 0.0)
def test_value_error(self):
with pytest.raises(ValueError):
distance('aeou', 1.2, 3.4, 5.6)
def test_type_error(self):
with pytest.raises(TypeError):
distance(None, 1.2, 3.4, 5.6)