def setUp(self):
super().setUp()
seed = 0
aqua_globals.random_seed = seed
self.num_qubits = 3
m_size = np.power(2, self.num_qubits)
matrix = aqua_globals.random.random((m_size, m_size))
self.qubit_op = MatrixOperator(matrix=matrix)
def setUp(self):
super().setUp()
seed = 0
aqua_globals.random_seed = seed
self.num_qubits = 2
m_size = np.power(2, self.num_qubits)
matrix = aqua_globals.random.random((m_size, m_size))
self.mat_op = MatrixOperator(matrix=matrix)
paulis = [Pauli("".join(pauli_label))
for pauli_label in itertools.product('IXYZ', repeat=self.num_qubits)]
weights = aqua_globals.random.random(len(paulis))
self.pauli_op = WeightedPauliOperator.from_list(paulis, weights)
class TestMatrixOperator(QiskitOpflowTestCase):
"""MatrixOperator tests."""
def setUp(self):
super().setUp()
seed = 0
aqua_globals.random_seed = seed
self.num_qubits = 3
m_size = np.power(2, self.num_qubits)
matrix = aqua_globals.random.random((m_size, m_size))
self.qubit_op = MatrixOperator(matrix=matrix)
def test_num_qubits(self):
""" num qubits test """
op = MatrixOperator(matrix=np.zeros((2, 2)))
self.assertEqual(op.num_qubits, 0)
self.assertEqual(self.qubit_op.num_qubits, self.num_qubits)
def test_is_empty(self):
""" is empty test """
op = MatrixOperator(matrix=np.zeros((2, 2)))
self.assertTrue(op.is_empty())
self.assertFalse(self.qubit_op.is_empty())
def test_invalid_primitive(self):
"""Test invalid MatrixOp construction"""
msg = "MatrixOp can only be instantiated with " \
"['list', 'ndarray', 'spmatrix', 'Operator'], not "
with self.assertRaises(TypeError) as cm:
_ = MatrixOp('invalid')
self.assertEqual(str(cm.exception), msg + "'str'")
with self.assertRaises(TypeError) as cm:
_ = MatrixOp(MatrixOperator(np.eye(2)))
self.assertEqual(str(cm.exception), msg + "'MatrixOperator'")
with self.assertRaises(TypeError) as cm:
_ = MatrixOp(None)
self.assertEqual(str(cm.exception), msg + "'NoneType'")
with self.assertRaises(TypeError) as cm:
_ = MatrixOp(2.0)
self.assertEqual(str(cm.exception), msg + "'float'")
def test_is_empty(self):
""" is empty test """
op = MatrixOperator(matrix=np.zeros((2, 2)))
self.assertTrue(op.is_empty())
self.assertFalse(self.qubit_op.is_empty())
def test_num_qubits(self):
""" num qubits test """
op = MatrixOperator(matrix=np.zeros((2, 2)))
self.assertEqual(op.num_qubits, 0)
self.assertEqual(self.qubit_op.num_qubits, self.num_qubits)