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Add unit test for debug cli arg

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This commit is contained in:
Beth Probert 2026-03-04 18:16:22 +00:00
parent 7c6397083c
commit 6a8e1198d9
1 changed files with 31 additions and 0 deletions
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31
tests/unit_tests/test_server_cli.py
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@ -103,3 +103,34 @@ def test_failed_customise(mocker):
assert isinstance(fallback_app, FastAPI)
# An that it has the error to display
assert str(fallback_app._context.error) == "Can't touch this"
def test_debug_mode(mocker):
"""Test that --debug flag triggers lt.logs.configure_thing_logger."""
# Mock the LabThings function that returns the server
mocker.patch(
"openflexure_microscope_server.server.lt.ThingServer.from_config",
return_value=mocker.Mock(),
)
# Mock customisation to avoid side effects
mocker.patch.object(ofm_server, "customise_server")
# Mock uvicorn.run to avoid starting a server
mocker.patch("openflexure_microscope_server.server.uvicorn.run")
# Mock the target function
mock_configure_thing_logger = mocker.patch(
"openflexure_microscope_server.server.lt.logs.configure_thing_logger"
)
# 1. Run with --debug
ofm_server.serve_from_cli(["-c", SIM_CONFIG, "--debug"])
# Verify it was called with DEBUG level
mock_configure_thing_logger.assert_called_once_with(logging.DEBUG)
# 2. Run without --debug
mock_configure_thing_logger.reset_mock()
ofm_server.serve_from_cli(["-c", SIM_CONFIG])
# Verify it was NOT called
mock_configure_thing_logger.assert_not_called()