fix: Pass through inputs for SerializableProgram simulation (#1033)

src/braket/devices/local_simulator.py

@@ -290,8 +290,9 @@ def _(self, program: OpenQASMProgram, inputs: Optional[dict[str, float]], _shots
         return program
 
     @_construct_payload.register
-    def _(self, program: SerializableProgram, _inputs, _shots):
-        return OpenQASMProgram(source=program.to_ir(ir_type=IRType.OPENQASM))
+    def _(self, program: SerializableProgram, inputs: Optional[dict[str, float]], _shots):
+        inputs_copy = inputs.copy() if inputs is not None else {}
+        return OpenQASMProgram(source=program.to_ir(ir_type=IRType.OPENQASM), inputs=inputs_copy)
 
     @_construct_payload.register
     def _(self, program: AnalogHamiltonianSimulation, _inputs, _shots):

test/unit_tests/braket/devices/test_local_simulator.py

@@ -588,17 +588,34 @@ def test_run_serializable_program_model():
             source="""
 qubit[2] q;
 bit[2] c;
-
 h q[0];
 cnot q[0], q[1];
-
 c = measure q;
 """
         )
     )
     assert task.result() == GateModelQuantumTaskResult.from_object(GATE_MODEL_RESULT)
 
 
+def test_run_serializable_program_model_with_inputs():
+    dummy = DummySerializableProgramSimulator()
+    sim = LocalSimulator(dummy)
+    task = sim.run(
+        DummySerializableProgram(
+            source="""
+input float a;
+qubit[2] q;
+bit[2] c;
+h q[0];
+cnot q[0], q[1];
+c = measure q;
+"""
+        ),
+        inputs={"a": 0.1},
+    )
+    assert task.result() == GateModelQuantumTaskResult.from_object(GATE_MODEL_RESULT)
+
+
 @pytest.mark.xfail(raises=ValueError)
 def test_run_gate_model_value_error():
     dummy = DummyCircuitSimulator()