heroku ciでe2eテストを実施

構成

heroku ci
php7
phpunit
facebook/webdriver
chromedriver

Setting

heroku のbuildpackで提供されるgoogle chromeはbinaryの場所が環境変数GOOGLE_CHROME_SHIMで定義されているディレクトリにあるのでwebdriverにsetする必要がある
seleniumで入力などのオペレーションさせたい場合はheroku-buildpack-xvfb-google-chromeを使う
heroku-buildpack-xvfb-google-chromeを使う場合はheroku-16のstackでは動かないcedar-14を使う

Heroku settings

composer.json

{
  "name": "e2e",
  "description": "This app does one little thing",
  "stack": "cedar-14",
  "env": {
    "GOOGLE_CHROME_CHANNEL":"stable"
  },
  "environments": {
    "stack": "cedar-14",
    "test": {
      "buildpacks": [
        { "url": "heroku/php" },
        { "url": "https://github.com/heroku/heroku-buildpack-chromedriver" },
        { "url": "https://github.com/heroku/heroku-buildpack-xvfb-google-chrome" }
      ],
      "scripts": {
        "test": "phpunit tests"
      }
    }
  }
}

Test example

E2eTest.php

<?php
use PHPUnit\Framework\TestCase;
use Facebook\WebDriver\Chrome\ChromeDriver;
use Facebook\WebDriver\Chrome\ChromeOptions;
use Facebook\WebDriver\Remote\DesiredCapabilities;
class E2eTest extends TestCase
{

    protected $driver;

    protected function setUp()
    {
        putenv('webdriver.chrome.driver=/app/.chromedriver/bin/chromedriver');

        $options = new ChromeOptions();

        $chromeBinary = getenv("GOOGLE_CHROME_SHIM");

        $options->setBinary($chromeBinary);

        $capabilities = DesiredCapabilities::chrome();

        $capabilities->setCapability(ChromeOptions::CAPABILITY, $options);

        $this->driver = ChromeDriver::start($capabilities);
    }

    /**
     * @large
     */
    public function testTitle()
    {
        $this->driver->get('https://www.google.co.jp/');
        $title = $this->driver->getTitle();
        $this->assertEquals($title, 'Google');
    }
}
?>

composer.json

{
  "require": {
    "php": ">=7.1.0",
    "facebook/webdriver": "^1.5"
  },
  "require-dev": {
      "phpunit/phpunit": ">=7.0"
  }
}