Testing WordPress Plugins with Codeception on Bitbucket Pipelines using Docker Compose

.env

DB_PORT=9119
WP_PORT=7253
WP_TAG=latest

readme.md

This is the accompanying Gist for my blog post Testing WordPress Plugins with Codeception on Bitbucket Pipelines using Docker Compose.

bitbucket-pipelines.yml

pipelines:
  default:
    - step:
        name: Build
        image: php:7.3
        caches:
          - composer
        script:
          - apt-get update && apt-get install -y unzip
          - curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer
          - composer install --ignore-platform-reqs
          - cp docker-compose.codeception.env codeception.env
        artifacts:
          - '**'
    - parallel:
        - step:
            name: WP Unit Tests ( Latest )
            services:
              - docker
            caches:
              - docker
            script:
              - ./bin/setup-pipeline.sh
              - npm run-script test-wpunit -- --xml test-reports/wpunit.xml
        - step:
            name: Acceptance Tests ( Latest )
            services:
              - docker
            caches:
              - docker
            script:
              - ./bin/setup-pipeline.sh
              - npm run-script test-build
              - npm run-script test-acceptance -- --xml test-reports/acceptance.xml
        - step:
            name: WP Unit Tests ( 5.2 )
            services:
              - docker
            caches:
              - docker
            script:
              - sed -i -e 's/WP_TAG=latest/WP_TAG=5.2/g' .env
              - ./bin/setup-pipeline.sh
              - npm run-script test-wpunit -- --xml test-reports/wpunit.xml
        - step:
            name: Acceptance Tests ( 5.2 )
            services:
              - docker
            caches:
              - docker
            script:
              - sed -i -e 's/WP_TAG=latest/WP_TAG=5.2/g' .env
              - ./bin/setup-pipeline.sh
              - npm run-script test-build
              - npm run-script test-acceptance -- --xml test-reports/acceptance.xml

docker-compose.codeception.env

WP_ROOT_FOLDER="/var/www/html"

TEST_SITE_WP_ADMIN_PATH="/wp-admin"
TEST_SITE_DB_NAME="wp"
TEST_SITE_DB_HOST="db"
TEST_SITE_DB_PORT="3306"
TEST_SITE_DB_USER="wp"
TEST_SITE_DB_PASSWORD="pass"
TEST_SITE_TABLE_PREFIX="wp_"
TEST_SITE_WP_URL="http://localhost"
TEST_SITE_WP_DOMAIN="localhost"
TEST_SITE_ADMIN_EMAIL="admin@localhost"
TEST_SITE_ADMIN_USERNAME="admin"
TEST_SITE_ADMIN_PASSWORD="password"

TEST_DB_NAME="wp"
TEST_DB_HOST="db"
TEST_DB_USER="wp"
TEST_DB_PASSWORD="pass"
TEST_TABLE_PREFIX="wp_"

docker-compose.yml

version: '3.7'

services:
  wordpress:
    build:
      context: ./tests
      args:
        WP_TAG: wordpress:${WP_TAG}
    restart: always
    ports:
      - ${WP_PORT}:80
    environment:
      WORDPRESS_DB_HOST: db
      WORDPRESS_DB_NAME: wp
      WORDPRESS_DB_USER: wp
      WORDPRESS_DB_PASSWORD: pass
      WORDPRESS_SKIP_INSTALL: 'yes'
    volumes:
      - ./:/var/www/html/wp-content/plugins/your-plugin-dir
    depends_on:
      - db

  db:
    image: mysql:5.7
    restart: always
    ports:
      - ${DB_PORT}:3306
    environment:
      MYSQL_DATABASE: wp
      MYSQL_USER: wp
      MYSQL_PASSWORD: pass
      MYSQL_RANDOM_ROOT_PASSWORD: '1'

Dockerfile

ARG WP_TAG
FROM ${WP_TAG}

RUN docker-php-ext-install pdo_mysql

setup-pipeline.sh

#!/usr/bin/env bash

# Based on https://stackoverflow.com/a/50583452

curl -L https://github.com/docker/compose/releases/download/1.25.0/docker-compose-`uname -s`-`uname -m` -o /usr/local/bin/docker-compose
chmod +x /usr/local/bin/docker-compose
docker-compose -f docker-compose.yml up -d
./bin/wait-for-it.sh http://localhost:7253

wait-for-it.sh

#!/usr/bin/env bash

attempt_counter=0
max_attempts=30

until curl --output /dev/null --silent --fail "$1"; do
    if [ ${attempt_counter} -eq ${max_attempts} ];then
      echo "Max attempts reached"
      exit 1
    fi

    printf '.'
    attempt_counter=$(($attempt_counter+1))
    sleep 1
done

echo "Connected to host"