ResponseGeneratorTest.php

<?php

namespace Drupal\Tests\system\Functional\System;

use Drupal\rest\Entity\RestResourceConfig;
use Drupal\Tests\BrowserTestBase;

/**
 * Tests to see if generator header is added.
 *
 * @group system
 */
class ResponseGeneratorTest extends BrowserTestBase {
    
    /**
     * Modules to install.
     *
     * @var array
     */
    public static $modules = [
        'hal',
        'rest',
        'node',
        'basic_auth',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() {
        parent::setUp();
        $this->drupalCreateContentType([
            'type' => 'page',
            'name' => 'Basic page',
        ]);
        $account = $this->drupalCreateUser([
            'access content',
        ]);
        $this->drupalLogin($account);
    }
    
    /**
     * Test to see if generator header is added.
     */
    public function testGeneratorHeaderAdded() {
        $node = $this->drupalCreateNode();
        list($version) = explode('.', \Drupal::VERSION, 2);
        $expectedGeneratorHeader = 'Drupal ' . $version . ' (https://www.drupal.org)';
        // Check to see if the header is added when viewing a normal content page
        $this->drupalGet($node->toUrl());
        $this->assertSession()
            ->statusCodeEquals(200);
        $this->assertEqual('text/html; charset=UTF-8', $this->drupalGetHeader('Content-Type'));
        $this->assertEqual($expectedGeneratorHeader, $this->drupalGetHeader('X-Generator'));
        // Check to see if the header is also added for a non-successful response
        $this->drupalGet('llama');
        $this->assertSession()
            ->statusCodeEquals(404);
        $this->assertEqual('text/html; charset=UTF-8', $this->drupalGetHeader('Content-Type'));
        $this->assertEqual($expectedGeneratorHeader, $this->drupalGetHeader('X-Generator'));
        // Enable cookie-based authentication for the entity:node REST resource.
        
        /** @var \Drupal\rest\RestResourceConfigInterface $resource_config */
        $resource_config = RestResourceConfig::load('entity.node');
        $configuration = $resource_config->get('configuration');
        $configuration['authentication'][] = 'cookie';
        $resource_config->set('configuration', $configuration)
            ->save();
        $this->rebuildAll();
        // Tests to see if this also works for a non-html request
        $this->drupalGet($node->toUrl()
            ->setOption('query', [
            '_format' => 'hal_json',
        ]));
        $this->assertSession()
            ->statusCodeEquals(200);
        $this->assertEqual('application/hal+json', $this->drupalGetHeader('Content-Type'));
        $this->assertEqual($expectedGeneratorHeader, $this->drupalGetHeader('X-Generator'));
    }

}