Add tests #6

	name: CI

	on:
	pull_request:
	push:
	workflow_dispatch:


	jobs:
	mix_test:
	runs-on: ubuntu-20.04
	env:
	MIX_ENV: test

	name: Elixir ${{ matrix.pair.elixir }} / OTP ${{ matrix.pair.otp }}

	strategy:
	fail-fast: false
	matrix:
	include:
	- pair:
	elixir: "1.15.4"
	otp: "26.0"
	lint: lint
	- pair:
	elixir: "1.11.4"
	otp: "21.3"
	steps:
	- uses: actions/checkout@v3

	- uses: erlef/setup-beam@v1
	id: beam
	with:
	otp-version: ${{matrix.pair.otp}}
	elixir-version: ${{matrix.pair.elixir}}
	version-type: "strict"

	- name: Cache deps
	id: cache-deps
	uses: actions/cache@v3
	env:
	cache-name: cache-elixir-deps
	with:
	path: deps
	key: ${{ runner.os }}-mix-${{ env.cache-name }}-${{ hashFiles('**/mix.lock') }}
	restore-keys: \|
	${{ runner.os }}-mix-${{ env.cache-name }}-

	- name: Cache compiled build
	id: cache-build
	uses: actions/cache@v3
	env:
	cache-name: cache-compiled-build
	with:
	path: _build
	key: ${{ runner.os }}-mix-${{ env.cache-name }}-${{ matrix.pair.elixir }}-${{ matrix.pair.otp }}-${{ hashFiles('**/mix.lock') }}
	restore-keys: \|
	${{ runner.os }}-mix-${{ env.cache-name }}-${{ matrix.pair.elixir }}-${{ matrix.pair.otp }}-
	${{ runner.os }}-mix-${{ env.cache-name }}-
	${{ runner.os }}-mix-

	- name: Install Dependencies
	run: mix deps.get

	- run: mix format --check-formatted
	if: ${{ matrix.lint }}

	- run: mix deps.unlock --check-unused
	if: ${{ matrix.lint }}

	- run: mix deps.compile

	- run: mix compile --warnings-as-errors
	if: ${{ matrix.lint }}

	- run: mix test

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