49 lines
1.6 KiB
Python
49 lines
1.6 KiB
Python
"""Utilities to help with testing the camera."""
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import tempfile
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from contextlib import contextmanager
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from typing import Optional
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from openflexure_microscope_server.things.background_detect import ChannelDeviationLUV
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from openflexure_microscope_server.things.camera.picamera import PiCameraV2
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from ...shared_utils.lt_test_utils import LabThingsTestEnv
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@contextmanager
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def camera_test_env(settings_folder: Optional[str] = None):
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"""Yield a test environment with a server that contains just the camera.
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This is a context manager, not a pytest fixture, as it needs to be created
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multiple times in some tests.
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:param settings_folder: The settings folder for the camera, if none is supplied, new
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temporary directory will be used as the settings folder.
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"""
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thing_conf = {
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"camera": PiCameraV2,
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"bg_channel_deviations_luv": ChannelDeviationLUV,
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}
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app_config = {
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"data_folder": tempfile.mkdtemp(),
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}
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with LabThingsTestEnv(
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things=thing_conf,
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settings_folder=settings_folder,
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application_config=app_config,
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) as env:
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yield env
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@contextmanager
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def camera_test_client(settings_folder: Optional[str] = None):
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"""Yield a camera ThingClient on a camera server.
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This is a context manager, not a pytest fixture, as it needs to be created
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multiple times in some tests.
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:param settings_folder: The settings folder for the camera, if none is supplied, new
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temporary directory will be used as the settings folder.
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"""
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with camera_test_env(settings_folder=settings_folder) as env:
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yield env.get_thing_client("camera")
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