Improve platform mocking

Patch out charmhelpers.osplatform.get_platform() and
charmhelpers.core.host.lsb_release() globally in the unit tests to
insulate the unit tests from the platform that the unit tests are being
run on.

Change-Id: I3dd34ddb38141ec89896b1ce2d9dc6849f4faaa8
This commit is contained in:
Alex Kavanagh 2023-10-24 18:36:33 +01:00
parent 500a8bd029
commit 80dab0abd3

View File

@ -1,6 +1,7 @@
import os
import sys
from unittest.mock import patch
_path = os.path.dirname(os.path.realpath(__file__))
_hooks = os.path.abspath(os.path.join(_path, '../hooks'))
@ -16,3 +17,15 @@ def _add_path(path):
_add_path(_hooks)
_add_path(_actions)
_add_path(_unit_tests)
# Patch out lsb_release() and get_platform() as unit tests should be fully
# insulated from the underlying platform. Unit tests assume that the system is
# ubuntu jammy.
patch(
'charmhelpers.osplatform.get_platform', return_value='ubuntu'
).start()
patch(
'charmhelpers.core.host.lsb_release',
return_value={
'DISTRIB_CODENAME': 'jammy'
}).start()