def test_eq_between_classes(self):
class Vec7(CoordinateVector):
@classmethod
def dimension(cls):
return 7
@classmethod
def zero(cls):
coords = tuple(0 for _ in range(0, cls.dimension()))
return Vec7(*coords)
self.assertFalse(Vec6(1, 2, 3, 4, 5, 6) == Vec7(1, 2, 3, 4, 5, 6, 7))
self.assertFalse(Vec7(1, 2, 3, 4, 5, 6, 7) == Vec6(1, 2, 3, 4, 5, 6))
def test_add_incompatible_subclasses(self):
def random_vec2():
return Vec2(self.random_scalar(), self.random_scalar())
with self.assertRaises(TypeError, msg='should raise TypeError when not compatible subclasses'):
u = Vec6(*self.random_coordinates(6))
v = random_vec2()
u + v
def test_mult_incompatible_types(self):
class A():
def sayHello(self):
return 'hello'
with self.assertRaises(TypeError, msg='should raise TypeError when not compatible class'):
u = Vec6(*self.random_coordinates(6))
v = A()
u + v
def test_add_between_classes_2(self):
class Vec7(CoordinateVector):
@classmethod
def dimension(cls):
return 7
@classmethod
def zero(cls):
coords = tuple(0 for _ in range(0, cls.dimension()))
return Vec7(*coords)
with self.assertRaises(TypeError, msg='should raise TypeError when not compatible class'):
Vec7(1, 2, 3, 4, 5, 6, 7) + Vec6(1, 2, 3, 4, 5, 6)
def test_scalar_rmult_args(self):
with self.assertRaises(TypeError, msg='should raise TypeError when passing numeric scalar'):
u = Vec6(*self.random_coordinates(6))
s = 'a'
s * u
def test_negate_vector(self):
self.assertEqual(-Vec6(-1, 2, -3, 4, -5, 6), Vec6(1, -2, 3, -4, 5, -6))
def test_zero_vector(self):
self.assertEqual(Vec6.zero(), Vec6(0, 0, 0, 0, 0, 0))
def test_vector6d_is_vector_space(self):
for _ in range(0, 100):
a, b = self.random_scalar(), self.random_scalar()
u, v, w = Vec6(*self.random_coordinates(6)), Vec6(*self.random_coordinates(6)), Vec6(*self.random_coordinates(6))
self.check_vector_space_rules(self.approx_equal, a, b, u, v, w)
def test_sub_incompatible_types(self):
with self.assertRaises(TypeError, msg='should raise TypeError when not compatible class'):
u = Vec6(*self.random_coordinates(6))
v = 'v'
u - v
def test_scalar_division(self):
self.approx_equal(Vec6(1, -2, 3, -4, 5.1, pi) / 3.25, Vec6(1 / 3.25, -2 / 3.25, 3 / 3.25, -4 / 3.25, 5.1 / 3.25, pi / 3.25))