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Add method for checking OS version.

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This commit is contained in:
Julian Stirling 2026-04-30 14:14:24 +01:00
parent 62d1724db6
commit 5b14f8d820
4 changed files with 64 additions and 0 deletions
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10
tests/unit_tests/assets/os-release Normal file
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@ -0,0 +1,10 @@
PRETTY_NAME="Debian GNU/Linux 13 (trixie)"
NAME="Debian GNU/Linux"
VERSION_ID="13"
VERSION="13 (trixie)"
VERSION_CODENAME=trixie
DEBIAN_VERSION_FULL=13.4
ID=debian
HOME_URL="https://www.debian.org/"
SUPPORT_URL="https://www.debian.org/support"
BUG_REPORT_URL="https://bugs.debian.org/"

1
tests/unit_tests/assets/os-release-broken Normal file
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@ -0,0 +1 @@
This doesn't contain the data we are looking for.

32
tests/unit_tests/test_system_thing.py
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@ -11,6 +11,11 @@ from labthings_fastapi.testing import create_thing_without_server
from openflexure_microscope_server.things import system
from openflexure_microscope_server.utilities import VersionData, robust_version_strings
THIS_DIR = os.path.dirname(os.path.abspath(__file__))
FAKE_OS_FILE = os.path.join(THIS_DIR, "assets", "os-release")
BROKEN_OS_FILE = os.path.join(THIS_DIR, "assets", "os-release-broken")
MISSING_OS_FILE = os.path.join(THIS_DIR, "assets", "this-does-not-exist")
@pytest.fixture
def system_thing():
@ -37,6 +42,33 @@ def test_is_raspberry(system_thing):
assert system_thing.is_raspberrypi == _is_raspberrypi()
@pytest.mark.parametrize(
("version_file", "expected_result"),
[
(MISSING_OS_FILE, "unknown"),
(FAKE_OS_FILE, "trixie"),
(BROKEN_OS_FILE, "unknown"),
],
)
def test_os_version_pi(version_file, expected_result, system_thing, mocker):
"""Check reading the operating system version from a Pi (mocked!)."""
type(system_thing).is_raspberrypi = mocker.PropertyMock(return_value=True)
mocker.patch(
"openflexure_microscope_server.things.system.OS_VERSION_FILE", version_file
)
assert system_thing.os_version == expected_result
def test_os_version_not_pi(system_thing, mocker):
"""Check reading the operating system when not on a Pi returns None."""
mocker.patch(
"openflexure_microscope_server.things.system.OS_VERSION_FILE", FAKE_OS_FILE
)
type(system_thing).is_raspberrypi = mocker.PropertyMock(return_value=False)
assert system_thing.os_version is None
def test_version_data(system_thing):
"""Check VersionData is returned.