diff core/modules/system/src/Tests/Common/EarlyRenderingControllerTest.php @ 0:4c8ae668cc8c

Initial import (non-working)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/modules/system/src/Tests/Common/EarlyRenderingControllerTest.php	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,110 @@
+<?php
+
+namespace Drupal\system\Tests\Common;
+
+use Drupal\Core\Url;
+use Drupal\simpletest\WebTestBase;
+
+/**
+ * Verifies that bubbleable metadata of early rendering is not lost.
+ *
+ * @group Common
+ */
+class EarlyRenderingControllerTest extends WebTestBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  protected $dumpHeaders = TRUE;
+
+  /**
+   * {@inheritdoc}
+   */
+  public static $modules = ['system', 'early_rendering_controller_test'];
+
+  /**
+   * Tests theme preprocess functions being able to attach assets.
+   */
+  public function testEarlyRendering() {
+    // Render array: non-early & early.
+    $this->drupalGet(Url::fromRoute('early_rendering_controller_test.render_array'));
+    $this->assertResponse(200);
+    $this->assertRaw('Hello world!');
+    $this->assertCacheTag('foo');
+    $this->drupalGet(Url::fromRoute('early_rendering_controller_test.render_array.early'));
+    $this->assertResponse(200);
+    $this->assertRaw('Hello world!');
+    $this->assertCacheTag('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->assertResponse(200);
+    $this->assertRaw('Hello world!');
+    $this->drupalGet(Url::fromRoute('early_rendering_controller_test.ajax_response.early'));
+    $this->assertResponse(200);
+    $this->assertRaw('Hello world!');
+
+    // Basic Response object: non-early & early.
+    $this->drupalGet(Url::fromRoute('early_rendering_controller_test.response'));
+    $this->assertResponse(200);
+    $this->assertRaw('Hello world!');
+    $this->assertNoCacheTag('foo');
+    $this->drupalGet(Url::fromRoute('early_rendering_controller_test.response.early'));
+    $this->assertResponse(200);
+    $this->assertRaw('Hello world!');
+    $this->assertNoCacheTag('foo');
+
+    // Response object with attachments: non-early & early.
+    $this->drupalGet(Url::fromRoute('early_rendering_controller_test.response-with-attachments'));
+    $this->assertResponse(200);
+    $this->assertRaw('Hello world!');
+    $this->assertNoCacheTag('foo');
+    $this->drupalGet(Url::fromRoute('early_rendering_controller_test.response-with-attachments.early'));
+    $this->assertResponse(500);
+    $this->assertRaw('The controller result claims to be providing relevant cache metadata, but leaked metadata was detected. Please 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->assertResponse(200);
+    $this->assertRaw('Hello world!');
+    $this->assertNoCacheTag('foo');
+    $this->drupalGet(Url::fromRoute('early_rendering_controller_test.cacheable-response.early'));
+    $this->assertResponse(500);
+    $this->assertRaw('The controller result claims to be providing relevant cache metadata, but leaked metadata was detected. Please ensure you are not rendering content too early. Returned object class: Drupal\early_rendering_controller_test\CacheableTestResponse.');
+
+    // Basic domain object: non-early & early.
+    $this->drupalGet(Url::fromRoute('early_rendering_controller_test.domain-object'));
+    $this->assertResponse(200);
+    $this->assertRaw('TestDomainObject');
+    $this->assertNoCacheTag('foo');
+    $this->drupalGet(Url::fromRoute('early_rendering_controller_test.domain-object.early'));
+    $this->assertResponse(200);
+    $this->assertRaw('TestDomainObject');
+    $this->assertNoCacheTag('foo');
+
+    // Basic domain object with attachments: non-early & early.
+    $this->drupalGet(Url::fromRoute('early_rendering_controller_test.domain-object-with-attachments'));
+    $this->assertResponse(200);
+    $this->assertRaw('AttachmentsTestDomainObject');
+    $this->assertNoCacheTag('foo');
+    $this->drupalGet(Url::fromRoute('early_rendering_controller_test.domain-object-with-attachments.early'));
+    $this->assertResponse(500);
+    $this->assertRaw('The controller result claims to be providing relevant cache metadata, but leaked metadata was detected. Please 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->assertResponse(200);
+    $this->assertRaw('CacheableTestDomainObject');
+    $this->assertNoCacheTag('foo');
+    $this->drupalGet(Url::fromRoute('early_rendering_controller_test.cacheable-domain-object.early'));
+    $this->assertResponse(500);
+    $this->assertRaw('The controller result claims to be providing relevant cache metadata, but leaked metadata was detected. Please 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(\Drupal::root() . '/' . $this->siteDirectory . '/error.log');
+  }
+
+}