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');
}