function EarlyRenderingControllerTest::testEarlyRendering

Tests theme preprocess functions being able to attach assets.

File

core/modules/system/tests/src/Functional/Common/EarlyRenderingControllerTest.php, line 30

Class

EarlyRenderingControllerTest

Verifies that bubbleable metadata of early rendering is not lost.

Namespace

Code

public function testEarlyRendering() : void {
  // Render array: non-early & early.
  $this->drupalGet(Url::fromRoute('early_rendering_controller_test.render_array'));
  $this->assertSession()
    ->statusCodeEquals(200);
  $this->assertSession()
    ->pageTextContains('Hello world!');
  $this->assertSession()
    ->responseHeaderContains('X-Drupal-Cache-Tags', 'foo');
  $this->drupalGet(Url::fromRoute('early_rendering_controller_test.render_array.early'));
  $this->assertSession()
    ->statusCodeEquals(200);
  $this->assertSession()
    ->pageTextContains('Hello world!');
  $this->assertSession()
    ->responseHeaderContains('X-Drupal-Cache-Tags', 'foo');
  // AjaxResponse: non-early & early.
  // @todo Add cache tags assertion when AjaxResponse is made cacheable in
  //   https://www.drupal.org/node/956186.
  $this->drupalGet(Url::fromRoute('early_rendering_controller_test.ajax_response'));
  $this->assertSession()
    ->statusCodeEquals(200);
  $this->assertSession()
    ->pageTextContains('Hello world!');
  $this->drupalGet(Url::fromRoute('early_rendering_controller_test.ajax_response.early'));
  $this->assertSession()
    ->statusCodeEquals(200);
  $this->assertSession()
    ->pageTextContains('Hello world!');
  // Basic Response object: non-early & early.
  $this->drupalGet(Url::fromRoute('early_rendering_controller_test.response'));
  $this->assertSession()
    ->statusCodeEquals(200);
  $this->assertSession()
    ->pageTextContains('Hello world!');
  $this->assertSession()
    ->responseHeaderNotContains('X-Drupal-Cache-Tags', 'foo');
  $this->drupalGet(Url::fromRoute('early_rendering_controller_test.response.early'));
  $this->assertSession()
    ->statusCodeEquals(200);
  $this->assertSession()
    ->pageTextContains('Hello world!');
  $this->assertSession()
    ->responseHeaderNotContains('X-Drupal-Cache-Tags', 'foo');
  // Response object with attachments: non-early & early.
  $this->drupalGet(Url::fromRoute('early_rendering_controller_test.response-with-attachments'));
  $this->assertSession()
    ->statusCodeEquals(200);
  $this->assertSession()
    ->pageTextContains('Hello world!');
  $this->assertSession()
    ->responseHeaderNotContains('X-Drupal-Cache-Tags', 'foo');
  $this->drupalGet(Url::fromRoute('early_rendering_controller_test.response-with-attachments.early'));
  $this->assertSession()
    ->statusCodeEquals(500);
  $this->assertSession()
    ->pageTextContains('The controller result claims to be providing relevant cache metadata, but leaked metadata was detected. Ensure you are not rendering content too early. Returned object class: Drupal\\early_rendering_controller_test\\AttachmentsTestResponse.');
  // Cacheable Response object: non-early & early.
  $this->drupalGet(Url::fromRoute('early_rendering_controller_test.cacheable-response'));
  $this->assertSession()
    ->statusCodeEquals(200);
  $this->assertSession()
    ->pageTextContains('Hello world!');
  $this->assertSession()
    ->responseHeaderNotContains('X-Drupal-Cache-Tags', 'foo');
  $this->drupalGet(Url::fromRoute('early_rendering_controller_test.cacheable-response.early'));
  $this->assertSession()
    ->statusCodeEquals(200);
  $this->assertSession()
    ->pageTextContains('Hello world!');
  $this->assertSession()
    ->responseHeaderContains('X-Drupal-Cache-Tags', 'foo');
  // Basic domain object: non-early & early.
  $this->drupalGet(Url::fromRoute('early_rendering_controller_test.domain-object'));
  $this->assertSession()
    ->statusCodeEquals(200);
  $this->assertSession()
    ->pageTextContains('TestDomainObject');
  $this->assertSession()
    ->responseHeaderNotContains('X-Drupal-Cache-Tags', 'foo');
  $this->drupalGet(Url::fromRoute('early_rendering_controller_test.domain-object.early'));
  $this->assertSession()
    ->statusCodeEquals(200);
  $this->assertSession()
    ->pageTextContains('TestDomainObject');
  $this->assertSession()
    ->responseHeaderNotContains('X-Drupal-Cache-Tags', 'foo');
  // Basic domain object with attachments: non-early & early.
  $this->drupalGet(Url::fromRoute('early_rendering_controller_test.domain-object-with-attachments'));
  $this->assertSession()
    ->statusCodeEquals(200);
  $this->assertSession()
    ->pageTextContains('AttachmentsTestDomainObject');
  $this->assertSession()
    ->responseHeaderNotContains('X-Drupal-Cache-Tags', 'foo');
  $this->drupalGet(Url::fromRoute('early_rendering_controller_test.domain-object-with-attachments.early'));
  $this->assertSession()
    ->statusCodeEquals(500);
  $this->assertSession()
    ->pageTextContains('The controller result claims to be providing relevant cache metadata, but leaked metadata was detected. Ensure you are not rendering content too early. Returned object class: Drupal\\early_rendering_controller_test\\AttachmentsTestDomainObject.');
  // Cacheable Response object: non-early & early.
  $this->drupalGet(Url::fromRoute('early_rendering_controller_test.cacheable-domain-object'));
  $this->assertSession()
    ->statusCodeEquals(200);
  $this->assertSession()
    ->pageTextContains('CacheableTestDomainObject');
  $this->assertSession()
    ->responseHeaderNotContains('X-Drupal-Cache-Tags', 'foo');
  $this->drupalGet(Url::fromRoute('early_rendering_controller_test.cacheable-domain-object.early'));
  $this->assertSession()
    ->statusCodeEquals(500);
  $this->assertSession()
    ->pageTextContains('The controller result claims to be providing relevant cache metadata, but leaked metadata was detected. Ensure you are not rendering content too early. Returned object class: Drupal\\early_rendering_controller_test\\CacheableTestDomainObject.');
  // The exceptions are expected. Do not interpret them as a test failure.
  // Not using File API; a potential error must trigger a PHP warning.
  unlink($this->root . '/' . $this->siteDirectory . '/error.log');
}