language: node_js
node_js:
  - "6"
  - "8"
  - "10"
sudo: false
cache:
  directories:
    - node_modules
env:
  matrix:
    - DB=sqlite3 NODE_ENV=testing
    - DB=mysql NODE_ENV=testing-mysql
before_install:
  - if [ $DB == "mysql" ]; then mysql -e 'create database mk_testing'; fi