class RenderArrayNonHtmlSubscriberTest

class RenderArrayNonHtmlSubscriberTest extends KernelTestBase {
  
  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'render_array_non_html_subscriber_test',
  ];
  
  /**
   * Tests handling of responses by events subscriber.
   */
  public function testResponses() : void {
    // 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',
      '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.");
  }

}