Add test for create_platform when Hardware is used

src/qibolab/_core/dummy/platform.py

@@ -2,14 +2,15 @@
 
 from qibolab._core.components import AcquisitionChannel, DcChannel, IqChannel
 from qibolab._core.instruments.dummy import DummyInstrument, DummyLocalOscillator
+from qibolab._core.parameters import Hardware
 from qibolab._core.platform import Platform
 from qibolab._core.qubits import Qubit
 
 FOLDER = pathlib.Path(__file__).parent
 
 
-def create_dummy() -> Platform:
-    """Create a dummy platform using the dummy instrument."""
+def create_dummy_hardware() -> Hardware:
+    """Create dummy hardware configuration based on the dummy instrument."""
     qubits = {}
     channels = {}
     # attach the channels
@@ -38,6 +39,10 @@ def create_dummy() -> Platform:
         pump_name: DummyLocalOscillator(address="0.0.0.0"),
     }
 
-    return Platform.load(
-        path=FOLDER, instruments=instruments, qubits=qubits, couplers=couplers
-    )
+    return Hardware(instruments=instruments, qubits=qubits, couplers=couplers)
+
+
+def create_dummy() -> Platform:
+    """Create a dummy platform using the dummy instrument."""
+    hardware = create_dummy_hardware()
+    return Platform.load(path=FOLDER, **vars(hardware))

tests/dummy_hardware/platform.py

@@ -0,0 +1,8 @@
+"""Dummy platform to test loading via ``Hardware`` object."""
+
+from qibolab import Hardware
+from qibolab._core.dummy.platform import create_dummy_hardware
+
+
+def create() -> Hardware:
+    return create_dummy_hardware()

tests/test_platform.py

@@ -9,11 +9,11 @@
 from qibo.models import Circuit
 from qibo.result import CircuitResult
 
-from qibolab import create_platform
+from qibolab import create_platform, initialize_parameters
 from qibolab._core.backends import QibolabBackend
 from qibolab._core.components import AcquisitionConfig, IqConfig, OscillatorConfig
 from qibolab._core.dummy import create_dummy
-from qibolab._core.dummy.platform import FOLDER
+from qibolab._core.dummy.platform import FOLDER, create_dummy_hardware
 from qibolab._core.native import SingleQubitNatives, TwoQubitNatives
 from qibolab._core.parameters import NativeGates, Parameters, update_configs
 from qibolab._core.platform import Platform
@@ -35,6 +35,22 @@ def test_create_platform_error():
         _ = create_platform("nonexistent")
 
 
+@pytest.fixture
+def dummy_hardware(monkeypatch):
+    parameters = initialize_parameters(hardware=create_dummy_hardware())
+    path = Path(__file__).parent / "dummy_hardware" / PARAMETERS
+    path.write_text(parameters.model_dump_json(indent=4))
+    monkeypatch.setenv(PLATFORMS, str(Path(__file__).parent))
+    yield
+    path.unlink()
+
+
+def test_create_platform_from_hardware(dummy_hardware):
+    platform = create_platform("dummy_hardware")
+    assert isinstance(platform, Platform)
+    assert list(platform.qubits.keys()) == list(range(5))
+
+
 def test_platform_basics():
     platform = Platform(
         name="ciao",