def test_construct_complement_qwc_adj_matrix_for_trivial_operators(
self, observables):
"""Constructing the complement of QWC graph's adjacency matrix for a list of identity
operations and various symmetric binary relations"""
qwc_complement_adjacency_matrix = np.array([[0, 0, 0], [0, 0, 0],
[0, 0, 0]])
grouping_instance = PauliGroupingStrategy(observables, "qwc")
assert (grouping_instance.complement_adj_matrix_for_operator() ==
qwc_complement_adjacency_matrix).all()
def test_construct_commuting_complement_adj_matrix_for_operators(self):
"""Constructing the complement graph adjacency matrix for a list of Pauli words according
to general commutativity."""
observables = [PauliY(0), PauliZ(0) @ PauliZ(1), PauliY(0) @ PauliX(1)]
commuting_complement_adjacency_matrix = np.array([[0, 1, 0], [1, 0, 0],
[0, 0, 0]])
grouping_instance = PauliGroupingStrategy(observables, "commuting")
assert (grouping_instance.complement_adj_matrix_for_operator() ==
commuting_complement_adjacency_matrix).all()
def test_construct_complement_anticommuting_adj_matrix_for_trivial_operators(self, observables):
"""Constructing the complement of anticommutativity graph's adjacency matrix for a list of
identity operations and various symmetric binary relations"""
anticommuting_complement_adjacency_matrix = np.array([[0, 1, 1], [1, 0, 1], [1, 1, 0]])
grouping_instance = PauliGroupingStrategy(observables, "anticommuting")
assert (
grouping_instance.obtain_complement_adj_matrix_for_operator()
== anticommuting_complement_adjacency_matrix
).all()
def test_binary_repr_custom_wire_map(self):
"""Tests that the ``binary_repr`` method sets a custom
wire map correctly."""
observables = [Identity("alice"), Identity("bob"), Identity("charlie")]
grouping_instance = PauliGroupingStrategy(observables, "anticommuting")
n_qubits = 3
wire_map = {"alice": 1, "bob": 0, "charlie": 2}
_ = grouping_instance.binary_repr(n_qubits, wire_map)
assert grouping_instance._wire_map == wire_map
