def test_remove_redundant_acquaintance_opportunities():
a, b, c, d, e = cirq.LineQubit.range(5)
swap = cca.SwapPermutationGate()
ops = [cca.acquaint(a, b), cca.acquaint(a, b)]
strategy = cirq.Circuit(ops)
diagram_before = """
0: ───█───█───
│ │
1: ───█───█───
"""
ct.assert_has_diagram(strategy, diagram_before)
cca.remove_redundant_acquaintance_opportunities(strategy)
diagram_after = """
0: ───█───────
│
1: ───█───────
"""
ct.assert_has_diagram(strategy, diagram_after)
ops = [
cca.acquaint(a, b),
cca.acquaint(c, d),
swap(d, e),
swap(c, d),
cca.acquaint(d, e)
]
strategy = cirq.Circuit(ops)
diagram_before = """
0: ───█───────────────────
│
1: ───█───────────────────
2: ───█─────────0↦1───────
│ │
3: ───█───0↦1───1↦0───█───
│ │
4: ───────1↦0─────────█───
"""
ct.assert_has_diagram(strategy, diagram_before)
cca.remove_redundant_acquaintance_opportunities(strategy)
diagram_after = """
0: ───█───────────────────
│
1: ───█───────────────────
2: ───█─────────0↦1───────
│ │
3: ───█───0↦1───1↦0───────
│
4: ───────1↦0─────────────
"""
ct.assert_has_diagram(strategy, diagram_after)
def test_remove_redundant_acquaintance_opportunities():
device = cca.UnconstrainedAcquaintanceDevice
a, b, c, d, e = cirq.LineQubit.range(5)
swap = cca.SwapPermutationGate()
with pytest.raises(TypeError):
ops = [cca.acquaint(a, b)]
strategy = cirq.Circuit.from_ops(ops)
cca.remove_redundant_acquaintance_opportunities(strategy)
ops = [cca.acquaint(a, b), cca.acquaint(a, b)]
strategy = cirq.Circuit.from_ops(ops, device=device)
diagram_before = """
0: ───█───█───
│ │
1: ───█───█───
"""
ct.assert_has_diagram(strategy, diagram_before)
cca.remove_redundant_acquaintance_opportunities(strategy)
cca.remove_redundant_acquaintance_opportunities(strategy)
diagram_after = """
0: ───█───────
│
1: ───█───────
"""
ct.assert_has_diagram(strategy, diagram_after)
ops = [
cca.acquaint(a, b),
cca.acquaint(c, d),
swap(d, e),
swap(c, d),
cca.acquaint(d, e)
]
strategy = cirq.Circuit.from_ops(ops, device=device)
diagram_before = """
0: ───█───────────────────
│
1: ───█───────────────────
2: ───█─────────0↦1───────
│ │
3: ───█───0↦1───1↦0───█───
│ │
4: ───────1↦0─────────█───
"""
ct.assert_has_diagram(strategy, diagram_before)
cca.remove_redundant_acquaintance_opportunities(strategy)
diagram_after = """
0: ───█───────────────────
│
1: ───█───────────────────
2: ───█─────────0↦1───────
│ │
3: ───█───0↦1───1↦0───────
│
4: ───────1↦0─────────────
"""
ct.assert_has_diagram(strategy, diagram_after)