Set up testing infrastructure #316

	name: CI

	on:
	push:
	branches: [ main ]
	pull_request:
	branches: [ main ]

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v3

	- name: Install modules
	run: npm install

	- name: Run ESLint
	run: npm run lint

	- name: Build
	run: npm run build

	- name: Start MySQL service
	run: sudo systemctl start mysql.service

	- name: Create database
	run: \|
	echo "CREATE DATABASE IF NOT EXISTS test" > setup.sql
	sudo mysql -h 127.0.0.1 -uroot -proot < setup.sql

	- name: Test
	env:
	TEST_DB_HOSTNAME: ${{ secrets.TEST_DB_HOSTNAME }}
	TEST_DB_USERNAME: ${{ secrets.TEST_DB_USERNAME }}
	TEST_DB_PASSWORD: ${{ secrets.TEST_DB_PASSWORD }}
	run: npm run test

	- name: Destroy test database
	run: \|
	echo "DROP DATABASE test" > teardown.sql
	sudo mysql -h 127.0.0.1 -uroot -proot < teardown.sql

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