RenderArrayNonHtmlSubscriberTest.php

<?php

namespace Drupal\Tests\system\Functional\Render;

use Drupal\Core\Url;
use Drupal\Tests\BrowserTestBase;

/**
 * Functional test verifying that render array throws 406 for non-HTML requests.
 *
 * @group Render
 */
class RenderArrayNonHtmlSubscriberTest extends BrowserTestBase {
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    protected static $modules = [
        'render_array_non_html_subscriber_test',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * Tests handling of responses by events subscriber.
     */
    public function testResponses() {
        // Test that event subscriber does not interfere with normal requests.
        $url = Url::fromRoute('render_array_non_html_subscriber_test.render_array');
        $this->drupalGet($url);
        $this->assertSession()
            ->statusCodeEquals(200);
        $this->assertSession()
            ->pageTextContains("Controller response successfully rendered.");
        // Test that correct response code is returned for any non-HTML format.
        foreach ([
            'json',
            'hal+json',
            'xml',
            'foo',
        ] as $format) {
            $url = Url::fromRoute('render_array_non_html_subscriber_test.render_array', [
                '_format' => $format,
            ]);
            $this->drupalGet($url);
            $this->assertSession()
                ->statusCodeEquals(406);
            $this->assertSession()
                ->pageTextNotContains("Controller response successfully rendered.");
        }
        // Test that event subscriber does not interfere with raw string responses.
        $url = Url::fromRoute('render_array_non_html_subscriber_test.raw_string', [
            '_format' => 'foo',
        ]);
        $this->drupalGet($url);
        $this->assertSession()
            ->statusCodeEquals(200);
        $this->assertSession()
            ->responseContains("Raw controller response.");
    }

}