Files
ophyd_devices/tests/test_dynamic_pseudo.py

48 lines
1.6 KiB
Python

from unittest import mock
import pytest
from bec_server.device_server.tests.utils import DMMock
from ophyd_devices.utils.dynamic_pseudo import ComputedSignal, _smart_strip
@pytest.fixture
def device_manager_with_devices():
dm = DMMock()
dm.add_device("a")
dm.add_device("b")
device_mock = mock.MagicMock()
dm.devices["a"] = device_mock
dm.devices["b"] = device_mock
return dm
@pytest.mark.parametrize(
"compute_method_str",
[
"def test(a, b): return a.get() + b.get()",
"def test(a, b): return a.get() + b.get()",
" def my_compute_method(a,b):\n return a.get() + b.get()\n",
"#comment goes here\n def my_compute_method(a,b):\n return a.get() + b.get()\n",
"#comment goes here\n\n\n def my_compute_method(a,b):\n return a.get() + b.get()\n",
"#comment goes here\n\n\n def my_compute_method(a,b):\n#comment inside\n return a.get() + b.get()\n",
],
)
def test_computed_signal(device_manager_with_devices, compute_method_str):
signal = ComputedSignal(name="test", device_manager=device_manager_with_devices)
assert signal.get() is None
# Configure the mocks before setting input signals
device_manager_with_devices.devices["a"].readback.get.return_value = 20
device_manager_with_devices.devices["b"].readback.get.return_value = 20
signal.compute_method = compute_method_str
signal.input_signals = ["a.readback", "b.readback"]
assert signal.get() == 40
# pylint: disable=protected-access
assert callable(signal._compute_method)
assert signal._compute_method_str == _smart_strip(compute_method_str)