function ImageThemeFunctionTest::testImageStyleTheme in Zircon Profile 8.0

Same name and namespace in other branches

1. 8 core/modules/image/src/Tests/ImageThemeFunctionTest.php \Drupal\image\Tests\ImageThemeFunctionTest::testImageStyleTheme()

Tests usage of the image style theme function.

File

core/modules/image/src/Tests/ImageThemeFunctionTest.php, line 127

Contains \Drupal\image\Tests\ImageThemeFunctionTest.

Class

ImageThemeFunctionTest

Tests image theme functions.

Namespace

Drupal\image\Tests

Code

function testImageStyleTheme() {

  /** @var \Drupal\Core\Render\RendererInterface $renderer */
  $renderer = $this->container
    ->get('renderer');

  // Create an image.
  $files = $this
    ->drupalGetTestFiles('image');
  $file = reset($files);
  $original_uri = file_unmanaged_copy($file->uri, 'public://', FILE_EXISTS_RENAME);

  // Create a style.
  $style = entity_create('image_style', array(
    'name' => 'image_test',
    'label' => 'Test',
  ));
  $style
    ->save();
  $url = $style
    ->buildUrl($original_uri);

  // Create the base element that we'll use in the tests below.
  $base_element = array(
    '#theme' => 'image_style',
    '#style_name' => 'image_test',
    '#uri' => $original_uri,
  );
  $element = $base_element;
  $this
    ->setRawContent($renderer
    ->renderRoot($element));
  $elements = $this
    ->xpath('//img[@class="image-style-image-test" and @src=:url and @alt=""]', array(
    ':url' => $url,
  ));
  $this
    ->assertEqual(count($elements), 1, 'theme_image_style() renders an image correctly.');

  // Test using theme_image_style() with a NULL value for the alt option.
  $element = $base_element;
  $element['#alt'] = NULL;
  $this
    ->setRawContent($renderer
    ->renderRoot($element));
  $elements = $this
    ->xpath('//img[@class="image-style-image-test" and @src=:url]', array(
    ':url' => $url,
  ));
  $this
    ->assertEqual(count($elements), 1, 'theme_image_style() renders an image correctly with a NULL value for the alt option.');
}