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Move hardware-specific-tests to tests dir

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This commit is contained in:
Julian Stirling 2025-12-18 17:21:17 +00:00
parent 4e043f3df2
commit ef9a88104b
13 changed files with 7 additions and 221 deletions
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hardware-specific-tests/picamera2/test_tuning.py
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"""Tests that check that a tuning file can be reloaded."""
import pytest
from picamera2 import Picamera2
from openflexure_microscope_server.things.camera import (
picamera_recalibrate_utils as recalibrate_utils,
)
from openflexure_microscope_server.things.camera import (
picamera_tuning_file_utils as tf_utils,
)
MODEL = Picamera2.global_camera_info()[0]["Model"]
def generate_bad_tuning():
"""Return a tuning file with an invalid version number to force an error when loaded."""
default_tuning = tf_utils.load_default_tuning("imx219")
bad_tuning = default_tuning.copy()
bad_tuning["version"] = 999
return bad_tuning
def _test_bad_tuning_after_good_tuning(configure: bool = False):
"""Test loading good, bad, then another good tuning files in sequence.
Load the default tuning file into the camera, re-load with a broken tuning file,
check it errors. Finally check the default tuning file will load again afterwards.
:param configure: Boolean, set true to configure the camera on initial loading
This test checks that:
recalibrate_utils.recreate_camera_manager() is working as expected. As the default
PiCamera2 behaviour does not expect the tuning file to be reloaded.
"""
bad_tuning = generate_bad_tuning()
default_tuning = tf_utils.load_default_tuning("imx219")
print("opening camera with default tuning")
with Picamera2(tuning=default_tuning) as cam:
if configure:
cam.configure(cam.create_preview_configuration())
del cam
recalibrate_utils.recreate_camera_manager()
print(f"Opening camera with bad tuning - ['version'] = {bad_tuning['version']}")
with pytest.raises(IndexError):
# The bad version should cause a problem
cam = Picamera2(tuning=bad_tuning)
recalibrate_utils.recreate_camera_manager()
with Picamera2(tuning=default_tuning) as cam:
# Reload the camera with working tuning, or it will stop responding
# and fail future tests
pass
del cam
# Note: The tests below are marked with
# @pytest.mark.filterwarnings("ignore: Exception ignored")
# as the picamera will throw an exception ignored warning when deleting
# the picamera object. This is expected
# The 2 pairs of repeated identical tests exist because pytest only
# starts once, and so by running the test more than one time checks
# that the camera can be initialised multiple times without restarting
# python.
@pytest.mark.filterwarnings("ignore: Exception ignored")
def test_bad_tuning_after_good_tuning_noconfigure():
"""First run setting good, then bad, then good tuning.
create_preview_configuration() is NOT run on initial setup.
"""
_test_bad_tuning_after_good_tuning(configure=False)
@pytest.mark.filterwarnings("ignore: Exception ignored")
def test_bad_tuning_after_good_tuning_configure():
"""Second run setting good, then bad, then good tuning.
create_preview_configuration() is run on initial setup this time.
"""
_test_bad_tuning_after_good_tuning(configure=True)
@pytest.mark.filterwarnings("ignore: Exception ignored")
def test_bad_tuning_after_good_tuning_noconfigure2():
"""3rd run setting good, then bad, then good tuning.
create_preview_configuration() is NOT run on initial setup.
"""
_test_bad_tuning_after_good_tuning(configure=False)
@pytest.mark.filterwarnings("ignore: Exception ignored")
def test_bad_tuning_after_good_tuning_configure2():
"""Final run setting good, then bad, then good tuning.
create_preview_configuration() is run on initial setup again.
"""
_test_bad_tuning_after_good_tuning(configure=True)