def test_converter_gate_registration(self):
"""Verify converters register gates in session equivalence library."""
qc_gate = QuantumCircuit(2)
qc_gate.h(0)
qc_gate.cx(0, 1)
from qiskit.circuit.equivalence_library import SessionEquivalenceLibrary as sel
bell_gate = circuit_to_gate(qc_gate, equivalence_library=sel)
qc_inst = QuantumCircuit(2)
qc_inst.h(0)
qc_inst.cx(0, 1)
bell_inst = circuit_to_instruction(qc_inst, equivalence_library=sel)
gate_entry = sel.get_entry(bell_gate)
inst_entry = sel.get_entry(bell_inst)
self.assertEqual(len(gate_entry), 1)
self.assertEqual(len(inst_entry), 1)
self.assertEqual(gate_entry[0], qc_gate)
self.assertEqual(inst_entry[0], qc_inst)
def decompositions(self):
"""Get the decompositions of the instruction from the SessionEquivalenceLibrary."""
# pylint: disable=cyclic-import
from qiskit.circuit.equivalence_library import SessionEquivalenceLibrary as sel
return sel.get_entry(self)