def test_is_maximalist(circuit):
dag = cirq.CircuitDag.from_circuit(circuit)
transitive_closure = networkx.dag.transitive_closure(dag)
assert cirq.CircuitDag(incoming_graph_data=transitive_closure) == dag
assert not any(
dag.has_edge(b, a)
for a, b in itertools.combinations(dag.ordered_nodes(), 2))
def test_append():
q0 = cirq.LineQubit(0)
dag = cirq.CircuitDag()
dag.append(cirq.X(q0))
dag.append(cirq.Y(q0))
assert networkx.dag.is_directed_acyclic_graph(dag)
assert len(dag.nodes()) == 2
assert [(n1.val, n2.val) for n1, n2 in dag.edges()] == [(cirq.X(q0), cirq.Y(q0))]
def test_init():
with cirq.testing.assert_deprecated('Use cirq contrib.CircuitDag',
deadline='v0.16',
count=1):
dag = cirq.CircuitDag()
assert networkx.dag.is_directed_acyclic_graph(dag)
assert list(dag.nodes()) == []
assert list(dag.edges()) == []
def test_is_maximalist(circuit):
# This creates a number of Unique classes so the count is not consistent.
with cirq.testing.assert_deprecated('Use cirq contrib.CircuitDag',
deadline='v0.16',
count=None):
dag = cirq.CircuitDag.from_circuit(circuit)
transitive_closure = networkx.dag.transitive_closure(dag)
assert cirq.CircuitDag(incoming_graph_data=transitive_closure) == dag
assert not any(
dag.has_edge(b, a)
for a, b in itertools.combinations(dag.ordered_nodes(), 2))
def test_two_identical_ops():
q0 = cirq.LineQubit(0)
dag = cirq.CircuitDag()
dag.append(cirq.X(q0))
dag.append(cirq.Y(q0))
dag.append(cirq.X(q0))
assert networkx.dag.is_directed_acyclic_graph(dag)
assert len(dag.nodes) == 3
assert (set((n1.val, n2.val) for n1, n2 in dag.edges) == set(
((cirq.X(q0), cirq.Y(q0)), (cirq.X(q0), cirq.X(q0)), (cirq.Y(q0),
cirq.X(q0)))))
def test_append():
q0 = cirq.LineQubit(0)
with cirq.testing.assert_deprecated('Use cirq contrib.CircuitDag',
deadline='v0.16',
count=None):
dag = cirq.CircuitDag()
dag.append(cirq.X(q0))
dag.append(cirq.Y(q0))
assert networkx.dag.is_directed_acyclic_graph(dag)
assert len(dag.nodes()) == 2
assert [(n1.val, n2.val)
for n1, n2 in dag.edges()] == [(cirq.X(q0), cirq.Y(q0))]
def test_init():
dag = cirq.CircuitDag()
assert networkx.dag.is_directed_acyclic_graph(dag)
assert list(dag.nodes) == []
assert list(dag.edges) == []
def test_is_maximalist(circuit):
dag = cirq.CircuitDag.from_circuit(circuit)
transitive_closure = networkx.dag.transitive_closure(dag)
assert cirq.CircuitDag(incoming_graph_data=transitive_closure) == dag
def test_device_deprecated():
dag = cirq.CircuitDag()
with cirq.testing.assert_deprecated(
cirq.circuits.circuit._DEVICE_DEP_MESSAGE, deadline='v0.15'
):
_ = dag.device
def test_init_device_deprecated():
with cirq.testing.assert_deprecated(
cirq.circuits.circuit._DEVICE_DEP_MESSAGE, deadline='v0.15'
):
_ = cirq.CircuitDag(device=cirq.UNCONSTRAINED_DEVICE)