chore: move phpunit to require-dev #13

	name: PHPUnit

	on:
	push:
	branches:
	- 1.x
	paths:
	- 'src/**'
	- 'tests/**'
	- composer.json
	- phpunit.xml.dist
	pull_request:
	branches:
	- 1.x
	paths:
	- 'src/**'
	- 'tests/**'
	- composer.json
	- phpunit.xml.dist
	- '.github/workflows/**'
	workflow_dispatch:

	jobs:
	phpunit:
	name: PHPUnit
	runs-on: ubuntu-latest
	strategy:
	matrix:
	operating-system:
	- ubuntu-latest
	php-version:
	- '7.3'
	- '7.4'
	- '8.0'
	dependencies:
	- lowest
	- highest
	if: "!contains(github.event.head_commit.message, '[ci skip]')"
	steps:
	- name: Checkout
	uses: actions/checkout@v2

	- name: Setup PHP, with composer and extensions
	uses: shivammathur/setup-php@master
	with:
	php-version: ${{ matrix.php-version }}
	coverage: pcov
	ini-values: zend.assertions=1

	- name: Get composer cache directory
	id: composer-cache
	run: echo "::set-output name=dir::$(composer config cache-files-dir)"

	- name: Cache dependencies
	uses: actions/cache@v2
	with:
	path: ${{ steps.composer-cache.outputs.dir }}
	key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.json') }}-${{ matrix.dependencies }}-
	restore-keys: ${{ runner.os }}-composer-${{ matrix.dependencies }}-

	- name: Install lowest dependencies
	if: ${{ matrix.dependencies == 'lowest' }}
	run: composer update --prefer-lowest --no-interaction --no-progress

	- name: Install highest dependencies
	if: ${{ matrix.dependencies == 'highest' }}
	run: composer update --no-interaction --no-progress

	- name: Run test suite
	run: ./vendor/bin/phpunit --coverage-clover=coverage.xml --coverage-text

	- name: Upload coverage report
	uses: codecov/codecov-action@v1
	with:
	file: ./coverage.xml

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