def test_eq(self):
t = shape.Triangle(4, 5, 6)
assert t == shape.Triangle(4, 5, 6)
assert t == shape.Triangle(6, 4, 5)
assert t == shape.Triangle(5, 6, 4)
def test_scale(self):
assert shape.Triangle(3, 4, 5).scale(10) == shape.Triangle(30, 40, 50)
def test_rotations(self):
t = shape.Triangle(4, 5, 6)
assert t._rotations() == ((4, 5, 6), (6, 4, 5), (5, 6, 4))
def test_area(self):
assert shape.Triangle(3, 4, 5).area() == 6
assert shape.Triangle(30, 40, 50).area() == 600
def test_perimeter(self):
assert shape.Triangle(4, 5, 6).perimeter() == 15
assert shape.Triangle(30, 40, 50).perimeter() == 120
def test_is_isosceles(self):
assert shape.Triangle(4, 5, 6).is_isosceles() is False
assert shape.Triangle(4, 5, 5).is_isosceles() is True
def test_is_equilateral(self):
assert shape.Triangle(4, 5, 6).is_equilateral() is False
assert shape.Triangle(4, 4, 4).is_equilateral() is True
def test_is_similar(self):
t = shape.Triangle(4, 5, 6)
assert t.is_similar(shape.Triangle(4, 5, 6))
assert t.is_similar(shape.Triangle(10, 12, 8))