def test_not_global_seed(self):
"""Test fixing random_hermitian seed is locally scoped."""
seed = 314159
test_cases = 100
random_hermitian(2, seed=seed)
rng_before = np.random.randint(1000, size=test_cases)
random_hermitian(2, seed=seed)
rng_after = np.random.randint(1000, size=test_cases)
self.assertFalse(np.all(rng_before == rng_after))
def test_int_dims(self, dim):
"""Test random_hermitian is valid with dims {dim}."""
value = random_hermitian(dim)
self.assertIsInstance(value, Operator)
self.assertTrue(is_hermitian_matrix(value.data))
self.assertEqual(np.product(value.input_dims()), dim)
self.assertEqual(np.product(value.output_dims()), dim)
def test_tuple_dims(self, dims):
"""Test random_hermitian is valid with dims {dims}."""
value = random_hermitian(dims)
self.assertIsInstance(value, Operator)
self.assertTrue(is_hermitian_matrix(value.data))
self.assertEqual(value.input_dims(), dims)
self.assertEqual(value.output_dims(), dims)
def test_fixed_seed(self):
"""Test fixing seed fixes output"""
seed = 1532
value1 = random_hermitian(4, seed=seed)
value2 = random_hermitian(4, seed=seed)
self.assertEqual(value1, value2)
