Cherry-pick latest updates from betterproto #26

	name: CI

	on:
	push:
	branches:
	- master
	pull_request:
	branches:
	- '**'

	jobs:
	tests:
	name: ${{ matrix.os }} / ${{ matrix.python-version }}
	runs-on: ${{ matrix.os }}-latest
	strategy:
	fail-fast: false
	matrix:
	os: [Ubuntu, MacOS, Windows]
	python-version: ['3.9', '3.10', '3.11', '3.12']
	steps:
	- uses: actions/checkout@v4

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}

	- name: Get full Python version
	id: full-python-version
	shell: bash
	run: echo "version=$(python -c "import sys; print('-'.join(str(v) for v in sys.version_info))")" >> "$GITHUB_OUTPUT"

	- name: Install poetry
	shell: bash
	run: \|
	python -m pip install poetry
	echo "$HOME/.poetry/bin" >> $GITHUB_PATH

	- name: Configure poetry
	shell: bash
	run: poetry config virtualenvs.in-project true

	- name: Set up cache
	uses: actions/cache@v3
	id: cache
	with:
	path: .venv
	key: venv-${{ runner.os }}-${{ steps.full-python-version.outputs.version }}-${{ hashFiles('**/poetry.lock') }}

	- name: Ensure cache is healthy
	if: steps.cache.outputs.cache-hit == 'true'
	shell: bash
	run: poetry run pip --version >/dev/null 2>&1 \|\| rm -rf .venv

	- name: Install dependencies
	shell: bash
	run: poetry install -E compiler

	- name: Generate code from proto files
	shell: bash
	run: poetry run python -m tests.generate -v

	- name: Execute test suite
	shell: bash
	run: poetry run python -m pytest tests/

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