fix: use StatusBase.__init_subclass__ instead of decorator to avoid o… #4

	name: Observability Charm Tests

	on:
	push:
	branches:
	- main
	pull_request:
	workflow_call:

	jobs:
	o11y-charm-tests:
	runs-on: ubuntu-latest

	strategy:
	fail-fast: false
	matrix:
	include:
	- charm-repo: canonical/alertmanager-k8s-operator
	commit: 4b2f567c43bc67e9d1fe24f018ba186dcd0396ed # 2024-08-28T11:32:28Z
	# Waiting for an upstream PR:
	# https://github.com/canonical/prometheus-k8s-operator/pull/639
	#- charm-repo: canonical/prometheus-k8s-operator
	# commit: 7518ec8343941ca91248614fd8f2d50fdd9e068c # rev135 2024-09-06T12:10:02Z
	# Waiting for an upstream PR:
	# https://github.com/canonical/grafana-k8s-operator/pull/347
	#- charm-repo: canonical/grafana-k8s-operator
	# commit: 1bd9e7fd96a9f5a91443e5932667c58a92c1ce5e # 2024-09-03T14:57:42Z
	steps:
	- name: Checkout the ${{ matrix.charm-repo }} repository
	uses: actions/checkout@v4
	with:
	repository: ${{ matrix.charm-repo }}
	ref: ${{ matrix.commit }}

	- name: Update 'ops' dependency in test charm to latest
	run: \|
	sed -i -e "/^ops[ ><=]/d" -e "/canonical\/operator/d" -e "/#egg=ops/d" requirements.txt
	echo -e "\ngit+$GITHUB_SERVER_URL/$GITHUB_REPOSITORY@$GITHUB_SHA#egg=ops" >> requirements.txt

	- name: Install dependencies
	run: pip install tox~=4.2

	- name: Run the charm's unit tests
	run: tox -vve unit

	- name: Run the charm's static analysis checks
	run: tox -vve static-charm

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