handle None as metadata. More tests #195

	---
	name: CI

	on: # yamllint disable-line rule:truthy
	push:
	branches:
	- main
	tags:
	- v..*
	pull_request:
	branches:
	- main
	workflow_dispatch:

	jobs:

	build:

	runs-on: ubuntu-latest
	strategy:
	matrix:
	python_version:
	- '3.9'
	- '3.10'
	- '3.11'
	- '3.12'

	steps:

	- name: Checkout the repository
	uses: actions/[email protected]

	- name: Setup Python
	uses: actions/[email protected]
	with:
	python-version: ${{ matrix.python_version }}

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	python -m pip install tox-gh-actions

	- name: Run tox
	env:
	COVERAGE_FILE: .coverage.${{ matrix.python_version }}
	run: tox

	- name: Store the coverage report
	uses: actions/[email protected]
	with:
	include-hidden-files: true
	name: coverage-${{ matrix.python_version }}
	path: .coverage.${{ matrix.python_version }}

	coverage:

	runs-on: ubuntu-latest
	needs: build
	permissions:
	pull-requests: write
	contents: write

	steps:

	- name: Checkout the repository
	uses: actions/[email protected]

	- name: Retrieve the coverage reports
	id: download
	uses: actions/[email protected]
	with:
	pattern: coverage-*
	merge-multiple: true

	- name: Process the coverage reports
	id: coverage_processing
	uses: py-cov-action/[email protected]
	with:
	COVERAGE_DATA_BRANCH: 'COVERAGE-REPORT'
	GITHUB_TOKEN: ${{ github.token }}
	MERGE_COVERAGE_FILES: true

	- name: Store the pull request coverage comment for later posting
	if: steps.coverage_processing.outputs.COMMENT_FILE_WRITTEN == 'true'
	uses: actions/[email protected]
	with:
	name: python-coverage-comment-action
	path: python-coverage-comment-action.txt

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