Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\system\Tests\Render;
Chris@0: 
Chris@0: use Drupal\simpletest\WebTestBase;
Chris@0: 
Chris@0: /**
Chris@0:  * Functional tests for HtmlResponseAttachmentsProcessor.
Chris@0:  *
Chris@0:  * @group Render
Chris@0:  */
Chris@0: class HtmlResponseAttachmentsTest extends WebTestBase {
Chris@0: 
Chris@0:   /**
Chris@0:    * Modules to enable.
Chris@0:    *
Chris@0:    * @var array
Chris@0:    */
Chris@0:   public static $modules = ['render_attached_test'];
Chris@0: 
Chris@0:   /**
Chris@0:    * Test rendering of ['#attached'].
Chris@0:    */
Chris@0:   public function testAttachments() {
Chris@0:     // Test ['#attached']['http_header] = ['Status', $code].
Chris@0:     $this->drupalGet('/render_attached_test/teapot');
Chris@0:     $this->assertResponse(418);
Chris@0:     $this->assertHeader('X-Drupal-Cache', 'MISS');
Chris@0:     // Repeat for the cache.
Chris@0:     $this->drupalGet('/render_attached_test/teapot');
Chris@0:     $this->assertResponse(418);
Chris@0:     $this->assertHeader('X-Drupal-Cache', 'HIT');
Chris@0: 
Chris@0:     // Test ['#attached']['http_header'] with various replacement rules.
Chris@0:     $this->drupalGet('/render_attached_test/header');
Chris@0:     $this->assertTeapotHeaders();
Chris@0:     $this->assertHeader('X-Drupal-Cache', 'MISS');
Chris@0:     // Repeat for the cache.
Chris@0:     $this->drupalGet('/render_attached_test/header');
Chris@0:     $this->assertHeader('X-Drupal-Cache', 'HIT');
Chris@0: 
Chris@0:     // Test ['#attached']['feed'].
Chris@0:     $this->drupalGet('/render_attached_test/feed');
Chris@0:     $this->assertHeader('X-Drupal-Cache', 'MISS');
Chris@0:     $this->assertFeed();
Chris@0:     // Repeat for the cache.
Chris@0:     $this->drupalGet('/render_attached_test/feed');
Chris@0:     $this->assertHeader('X-Drupal-Cache', 'HIT');
Chris@0: 
Chris@0:     // Test ['#attached']['html_head'].
Chris@0:     $this->drupalGet('/render_attached_test/head');
Chris@0:     $this->assertHeader('X-Drupal-Cache', 'MISS');
Chris@0:     $this->assertHead();
Chris@0:     // Repeat for the cache.
Chris@0:     $this->drupalGet('/render_attached_test/head');
Chris@0:     $this->assertHeader('X-Drupal-Cache', 'HIT');
Chris@0: 
Chris@0:     // Test ['#attached']['html_head_link'] when outputted as HTTP header.
Chris@0:     $this->drupalGet('/render_attached_test/html_header_link');
Chris@0:     $expected_link_headers = [
Chris@0:       '</foo?bar=&lt;baz&gt;&amp;baz=false>; rel="alternate"',
Chris@0:       '</foo/bar>; hreflang="nl"; rel="alternate"',
Chris@0:     ];
Chris@0:     $this->assertEqual($this->drupalGetHeader('link'), implode(',', $expected_link_headers));
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Test caching of ['#attached'].
Chris@0:    */
Chris@0:   public function testRenderCachedBlock() {
Chris@0:     // Make sure our test block is visible.
Chris@0:     $this->drupalPlaceBlock('attached_rendering_block', ['region' => 'content']);
Chris@0: 
Chris@0:     // Get the front page, which should now have our visible block.
Chris@0:     $this->drupalGet('');
Chris@0:     // Make sure our block is visible.
Chris@0:     $this->assertText('Markup from attached_rendering_block.');
Chris@0:     // Test that all our attached items are present.
Chris@0:     $this->assertFeed();
Chris@0:     $this->assertHead();
Chris@0:     $this->assertResponse(418);
Chris@0:     $this->assertTeapotHeaders();
Chris@0: 
Chris@0:     // Reload the page, to test caching.
Chris@0:     $this->drupalGet('');
Chris@0:     // Make sure our block is visible.
Chris@0:     $this->assertText('Markup from attached_rendering_block.');
Chris@0:     // The header should be present again.
Chris@0:     $this->assertHeader('X-Test-Teapot', 'Teapot Mode Active');
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Helper function to make assertions about added HTTP headers.
Chris@0:    */
Chris@0:   protected function assertTeapotHeaders() {
Chris@0:     $this->assertHeader('X-Test-Teapot', 'Teapot Mode Active');
Chris@0:     $this->assertHeader('X-Test-Teapot-Replace', 'Teapot replaced');
Chris@0:     $this->assertHeader('X-Test-Teapot-No-Replace', 'This value is not replaced,This one is added');
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Helper function to make assertions about the presence of an RSS feed.
Chris@0:    */
Chris@0:   protected function assertFeed() {
Chris@0:     // Discover the DOM element for the feed link.
Chris@0:     $test_meta = $this->xpath('//head/link[@href="test://url"]');
Chris@0:     $this->assertEqual(1, count($test_meta), 'Link has URL.');
Chris@0:     // Reconcile the other attributes.
Chris@0:     $test_meta_attributes = [
Chris@0:       'href' => 'test://url',
Chris@0:       'rel' => 'alternate',
Chris@0:       'type' => 'application/rss+xml',
Chris@0:       'title' => 'Your RSS feed.',
Chris@0:     ];
Chris@0:     $test_meta = reset($test_meta);
Chris@0:     if (empty($test_meta)) {
Chris@0:       $this->fail('Unable to find feed link.');
Chris@0:     }
Chris@0:     else {
Chris@0:       foreach ($test_meta->attributes() as $attribute => $value) {
Chris@0:         $this->assertEqual($value, $test_meta_attributes[$attribute]);
Chris@0:       }
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Helper function to make assertions about HTML head elements.
Chris@0:    */
Chris@0:   protected function assertHead() {
Chris@0:     // Discover the DOM element for the meta link.
Chris@0:     $test_meta = $this->xpath('//head/meta[@test-attribute="testvalue"]');
Chris@0:     $this->assertEqual(1, count($test_meta), 'There\'s only one test attribute.');
Chris@0:     // Grab the only DOM element.
Chris@0:     $test_meta = reset($test_meta);
Chris@0:     if (empty($test_meta)) {
Chris@0:       $this->fail('Unable to find the head meta.');
Chris@0:     }
Chris@0:     else {
Chris@0:       $test_meta_attributes = $test_meta->attributes();
Chris@0:       $this->assertEqual($test_meta_attributes['test-attribute'], 'testvalue');
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0: }