Update remaining unit tests to use FakeGeneric

qiskit/providers/fake_provider/generic_backend_v2.py

@@ -251,15 +251,15 @@ def _get_calibration_sequence(
                     name="acquire",
                     duration=1792,
                     t0=0,
-                    qubits=list(range(num_qubits)),
-                    memory_slot=list(range(num_qubits)),
+                    qubits=qargs,
+                    memory_slot=qargs,
                 )
-            ] + [PulseQobjInstruction(name=pulse_library[1], ch=f"m{i}", t0=0) for i in qargs]
+            ] + [PulseQobjInstruction(name=pulse_library[1].name, ch=f"m{i}", t0=0) for i in qargs]
             return sequence
         if num_qubits == 1:
             return [
-                PulseQobjInstruction(name="fc", ch=f"u{qargs}", t0=0, phase="-P0"),
-                PulseQobjInstruction(name=pulse_library[0].name, ch=f"d{qargs}", t0=0),
+                PulseQobjInstruction(name="fc", ch=f"u{qargs[0]}", t0=0, phase="-P0"),
+                PulseQobjInstruction(name=pulse_library[0].name, ch=f"d{qargs[0]}", t0=0),
             ]
         return [
             PulseQobjInstruction(name=pulse_library[1].name, ch=f"d{qargs[0]}", t0=0),

test/python/__init__.py

@@ -1,6 +1,6 @@
 # This code is part of Qiskit.
 #
-# (C) Copyright IBM 2017.
+# (C) Copyright IBM 2017, 2024.
 #
 # This code is licensed under the Apache License, Version 2.0. You may
 # obtain a copy of this license in the LICENSE.txt file in the root directory
@@ -11,3 +11,186 @@
 # that they have been altered from the originals.
 
 """Qiskit unit tests."""
+
+# Coupling maps for fake backend generation
+
+# 5 qubits
+# bidirectional
+BOGOTA_CMAP = [[0, 1], [1, 0], [1, 2], [2, 1], [2, 3], [3, 2], [3, 4], [4, 3]]
+LIMA_CMAP = [[0, 1], [1, 0], [1, 2], [1, 3], [2, 1], [3, 1], [3, 4], [4, 3]]
+YORKTOWN_CMAP = [
+    [0, 1],
+    [0, 2],
+    [1, 0],
+    [1, 2],
+    [2, 0],
+    [2, 1],
+    [2, 3],
+    [2, 4],
+    [3, 2],
+    [3, 4],
+    [4, 2],
+    [4, 3],
+]
+# directional
+TENERIFE_CMAP = [[1, 0], [2, 0], [2, 1], [3, 2], [3, 4], [4, 2]]
+
+# 16 qubits
+RUESCHLIKON_CMAP = [
+    [1, 0],
+    [1, 2],
+    [2, 3],
+    [3, 4],
+    [3, 14],
+    [5, 4],
+    [6, 5],
+    [6, 7],
+    [6, 11],
+    [7, 10],
+    [8, 7],
+    [9, 8],
+    [9, 10],
+    [11, 10],
+    [12, 5],
+    [12, 11],
+    [12, 13],
+    [13, 4],
+    [13, 14],
+    [15, 0],
+    [15, 2],
+    [15, 14],
+]
+
+# 20 qubits
+TOKYO_CMAP = [
+    [0, 1],
+    [0, 5],
+    [1, 0],
+    [1, 2],
+    [1, 6],
+    [1, 7],
+    [2, 1],
+    [2, 6],
+    [3, 8],
+    [4, 8],
+    [4, 9],
+    [5, 0],
+    [5, 6],
+    [5, 10],
+    [5, 11],
+    [6, 1],
+    [6, 2],
+    [6, 5],
+    [6, 7],
+    [6, 10],
+    [6, 11],
+    [7, 1],
+    [7, 6],
+    [7, 8],
+    [7, 12],
+    [8, 3],
+    [8, 4],
+    [8, 7],
+    [8, 9],
+    [8, 12],
+    [8, 13],
+    [9, 4],
+    [9, 8],
+    [10, 5],
+    [10, 6],
+    [10, 11],
+    [10, 15],
+    [11, 5],
+    [11, 6],
+    [11, 10],
+    [11, 12],
+    [11, 16],
+    [11, 17],
+    [12, 7],
+    [12, 8],
+    [12, 11],
+    [12, 13],
+    [12, 16],
+    [13, 8],
+    [13, 12],
+    [13, 14],
+    [13, 18],
+    [13, 19],
+    [14, 13],
+    [14, 18],
+    [14, 19],
+    [15, 10],
+    [15, 16],
+    [16, 11],
+    [16, 12],
+    [16, 15],
+    [16, 17],
+    [17, 11],
+    [17, 16],
+    [17, 18],
+    [18, 13],
+    [18, 14],
+    [18, 17],
+    [19, 13],
+    [19, 14],
+]
+
+# 27 qubits
+MUMBAI_CMAP = [
+    [0, 1],
+    [1, 0],
+    [1, 2],
+    [1, 4],
+    [2, 1],
+    [2, 3],
+    [3, 2],
+    [3, 5],
+    [4, 1],
+    [4, 7],
+    [5, 3],
+    [5, 8],
+    [6, 7],
+    [7, 4],
+    [7, 6],
+    [7, 10],
+    [8, 5],
+    [8, 9],
+    [8, 11],
+    [9, 8],
+    [10, 7],
+    [10, 12],
+    [11, 8],
+    [11, 14],
+    [12, 10],
+    [12, 13],
+    [12, 15],
+    [13, 12],
+    [13, 14],
+    [14, 11],
+    [14, 13],
+    [14, 16],
+    [15, 12],
+    [15, 18],
+    [16, 14],
+    [16, 19],
+    [17, 18],
+    [18, 15],
+    [18, 17],
+    [18, 21],
+    [19, 16],
+    [19, 20],
+    [19, 22],
+    [20, 19],
+    [21, 18],
+    [21, 23],
+    [22, 19],
+    [22, 25],
+    [23, 21],
+    [23, 24],
+    [24, 23],
+    [24, 25],
+    [25, 22],
+    [25, 24],
+    [25, 26],
+    [26, 25],
+]

test/python/primitives/test_backend_estimator.py

@@ -1,6 +1,6 @@
 # This code is part of Qiskit.
 #
-# (C) Copyright IBM 2022.
+# (C) Copyright IBM 2022, 2024.
 #
 # This code is licensed under the Apache License, Version 2.0. You may
 # obtain a copy of this license in the LICENSE.txt file in the root directory
@@ -10,7 +10,7 @@
 # copyright notice, and modified files need to carry a notice indicating
 # that they have been altered from the originals.
 
-"""Tests for Estimator."""
+"""Tests for BackendEstimator."""
 
 import unittest
 from unittest.mock import patch
@@ -25,14 +25,18 @@
 from qiskit.circuit import QuantumCircuit
 from qiskit.circuit.library import RealAmplitudes
 from qiskit.primitives import BackendEstimator, EstimatorResult
-from qiskit.providers.fake_provider import FakeNairobi, FakeNairobiV2
-from qiskit.providers.fake_provider.fake_backend_v2 import FakeBackendSimple
+from qiskit.providers.fake_provider import FakeNairobi, GenericBackendV2
+from qiskit.providers.backend_compat import BackendV2Converter
 from qiskit.quantum_info import SparsePauliOp
 from qiskit.test import QiskitTestCase
 from qiskit.transpiler import PassManager
 from qiskit.utils import optionals
 
-BACKENDS = [FakeNairobi(), FakeNairobiV2(), FakeBackendSimple()]
+BACKENDS = [
+    FakeNairobi(),
+    BackendV2Converter(FakeNairobi()),
+    GenericBackendV2(num_qubits=5, seed=42),
+]
 
 
 class CallbackPass(DummyAP):
@@ -272,14 +276,14 @@ def test_options(self, backend):
     def test_job_size_limit_v2(self):
         """Test BackendEstimator respects job size limit"""
 
-        class FakeNairobiLimitedCircuits(FakeNairobiV2):
-            """FakeNairobiV2 with job size limit."""
+        class FakeBackendLimitedCircuits(GenericBackendV2):
+            """FakeBackend V2 with job size limit."""
 
             @property
             def max_circuits(self):
                 return 1
 
-        backend = FakeNairobiLimitedCircuits()
+        backend = FakeBackendLimitedCircuits(num_qubits=5)
         backend.set_options(seed_simulator=123)
         qc = RealAmplitudes(num_qubits=2, reps=2)
         op = SparsePauliOp.from_list([("IZ", 1), ("XI", 2), ("ZY", -1)])
@@ -388,7 +392,7 @@ def test_layout(self, backend):
             estimator = BackendEstimator(backend)
             estimator.set_transpile_options(seed_transpiler=15)
             value = estimator.run(qc, op, shots=10000).result().values[0]
-            if optionals.HAS_AER and not isinstance(backend, FakeBackendSimple):
+            if optionals.HAS_AER and not isinstance(backend, GenericBackendV2):
                 self.assertEqual(value, -0.916)
             else:
                 self.assertEqual(value, -1)
@@ -403,7 +407,7 @@ def test_layout(self, backend):
             estimator = BackendEstimator(backend)
             estimator.set_transpile_options(initial_layout=[0, 1, 2], seed_transpiler=15)
             value = estimator.run(qc, op, shots=10000).result().values[0]
-            if optionals.HAS_AER and not isinstance(backend, FakeBackendSimple):
+            if optionals.HAS_AER and not isinstance(backend, GenericBackendV2):
                 self.assertEqual(value, -0.8902)
             else:
                 self.assertEqual(value, -1)

test/python/primitives/test_backend_sampler.py

@@ -26,13 +26,17 @@
 from qiskit.circuit.library import RealAmplitudes
 from qiskit.primitives import BackendSampler, SamplerResult
 from qiskit.providers import JobStatus
-from qiskit.providers.fake_provider import FakeNairobi, FakeNairobiV2
+from qiskit.providers.fake_provider import FakeNairobi, GenericBackendV2
+from qiskit.providers.backend_compat import BackendV2Converter
 from qiskit.providers.basicaer import QasmSimulatorPy
 from qiskit.test import QiskitTestCase
 from qiskit.transpiler import PassManager
 from qiskit.utils import optionals
 
-BACKENDS = [FakeNairobi(), FakeNairobiV2()]
+BACKENDS = [
+    FakeNairobi(),
+    BackendV2Converter(FakeNairobi()),
+]
 
 
 class CallbackPass(DummyAP):
@@ -242,15 +246,15 @@ def test_run_empty_parameter(self, backend):
             self.assertEqual(len(result.quasi_dists), 1)
             for q_d in result.quasi_dists:
                 quasi_dist = {k: v for k, v in q_d.items() if v != 0.0}
-                self.assertDictAlmostEqual(quasi_dist, {0: 1.0}, delta=0.1)
+                self.assertDictAlmostEqual(quasi_dist, {0: 1.0}, delta=0.15)
             self.assertEqual(len(result.metadata), 1)
 
         with self.subTest("two circuits"):
             result = sampler.run([qc, qc], shots=1000).result()
             self.assertEqual(len(result.quasi_dists), 2)
             for q_d in result.quasi_dists:
                 quasi_dist = {k: v for k, v in q_d.items() if v != 0.0}
-                self.assertDictAlmostEqual(quasi_dist, {0: 1.0}, delta=0.1)
+                self.assertDictAlmostEqual(quasi_dist, {0: 1.0}, delta=0.15)
             self.assertEqual(len(result.metadata), 2)
 
     @combine(backend=BACKENDS)
@@ -299,8 +303,8 @@ def test_primitive_job_status_done(self, backend):
     def test_primitive_job_size_limit_backend_v2(self):
         """Test primitive respects backend's job size limit."""
 
-        class FakeNairobiLimitedCircuits(FakeNairobiV2):
-            """FakeNairobiV2 with job size limit."""
+        class FakeBackendLimitedCircuits(GenericBackendV2):
+            """FakeBackend V2 with job size limit."""
 
             @property
             def max_circuits(self):
@@ -311,11 +315,12 @@ def max_circuits(self):
         qc2 = QuantumCircuit(1)
         qc2.x(0)
         qc2.measure_all()
-        sampler = BackendSampler(backend=FakeNairobiLimitedCircuits())
+        sampler = BackendSampler(backend=FakeBackendLimitedCircuits(num_qubits=5))
         result = sampler.run([qc, qc2]).result()
         self.assertIsInstance(result, SamplerResult)
         self.assertEqual(len(result.quasi_dists), 2)
 
+        print(result.quasi_dists)
         self.assertDictAlmostEqual(result.quasi_dists[0], {0: 1}, 0.1)
         self.assertDictAlmostEqual(result.quasi_dists[1], {1: 1}, 0.1)