function HtmlResponseAttachmentsTest::assertHead

Same name in other branches
  1. 9 core/modules/system/tests/src/Functional/Render/HtmlResponseAttachmentsTest.php \Drupal\Tests\system\Functional\Render\HtmlResponseAttachmentsTest::assertHead()
  2. 8.9.x core/modules/system/tests/src/Functional/Render/HtmlResponseAttachmentsTest.php \Drupal\Tests\system\Functional\Render\HtmlResponseAttachmentsTest::assertHead()
  3. 11.x core/modules/system/tests/src/Functional/Render/HtmlResponseAttachmentsTest.php \Drupal\Tests\system\Functional\Render\HtmlResponseAttachmentsTest::assertHead()

Helper function to make assertions about HTML head elements.

@internal

2 calls to HtmlResponseAttachmentsTest::assertHead()
HtmlResponseAttachmentsTest::testAttachments in core/modules/system/tests/src/Functional/Render/HtmlResponseAttachmentsTest.php
Tests rendering of ['#attached'].
HtmlResponseAttachmentsTest::testRenderCachedBlock in core/modules/system/tests/src/Functional/Render/HtmlResponseAttachmentsTest.php
Tests caching of ['#attached'].

File

core/modules/system/tests/src/Functional/Render/HtmlResponseAttachmentsTest.php, line 145

Class

HtmlResponseAttachmentsTest
Functional tests for HtmlResponseAttachmentsProcessor.

Namespace

Drupal\Tests\system\Functional\Render

Code

protected function assertHead() : void {
    // Discover the DOM element for the meta link.
    $test_meta = $this->xpath('//head/meta[@test-attribute="test_value"]');
    $this->assertCount(1, $test_meta, 'There\'s only one test attribute.');
    // Grab the only DOM element.
    $test_meta = reset($test_meta);
    if (empty($test_meta)) {
        $this->fail('Unable to find the head meta.');
    }
    else {
        $this->assertEquals('test_value', $test_meta->getAttribute('test-attribute'));
    }
}

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