docs: clearly deprecate Harness in the testing how-tos (#1508) #700

	name: Data Charm Tests

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

	jobs:
	db-charm-tests:
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	include:
	- charm-repo: canonical/postgresql-operator
	commit: 4c4b810d0670af3e6c551fa6ea2b9e84a902a46e # rev529 rev528 2024-11-27T16:35:24Z
	- charm-repo: canonical/postgresql-k8s-operator
	commit: 2c41a8d20d0d51d2980f067894a1ec80e14e1296 # 2024-11-27T19:47:17Z
	- charm-repo: canonical/mysql-operator
	commit: 21d23a26da074727d67f1b68dc3a915ed0252cc8 # 2024-11-27T14:48:18Z
	- charm-repo: canonical/mysql-k8s-operator
	commit: cf0d7f9dfe88270fc2fdd9989c098cb7006b82fd # 2024-11-27T14:47:30Z
	steps:
	- name: Checkout the ${{ matrix.charm-repo }} repository
	uses: actions/checkout@v4
	with:
	repository: ${{ matrix.charm-repo }}
	ref: ${{ matrix.commit }}

	- name: Checkout the operator repository
	uses: actions/checkout@v4
	with:
	path: myops

	- name: Install patch dependencies
	run: pip install poetry~=1.6

	- name: Update 'ops' dependency in test charm to latest
	run: \|
	if [ -e "requirements.txt" ]; then
	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
	else
	sed -i -e "s/^ops[ ><=].*/ops = {path = \"myops\"}/" pyproject.toml
	poetry lock --no-update
	fi

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

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

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