public function ImageTest::testThemeImageWithSrcsetWidth in Drupal 8

Same name and namespace in other branches

1. 9 core/tests/Drupal/KernelTests/Core/Theme/ImageTest.php \Drupal\KernelTests\Core\Theme\ImageTest::testThemeImageWithSrcsetWidth()

Tests that an image with the srcset and widths is output correctly.

File

core/tests/Drupal/KernelTests/Core/Theme/ImageTest.php, line 116

Class

ImageTest

Tests built-in image theme functions.

Namespace

Drupal\KernelTests\Core\Theme

Code

public function testThemeImageWithSrcsetWidth() {

  // Test with multipliers.
  $widths = [
    rand(0, 500) . 'w',
    rand(500, 1000) . 'w',
  ];
  $image = [
    '#theme' => 'image',
    '#srcset' => [
      [
        'uri' => $this->testImages[0],
        'width' => $widths[0],
      ],
      [
        'uri' => $this->testImages[1],
        'width' => $widths[1],
      ],
    ],
    '#width' => rand(0, 1000) . 'px',
    '#height' => rand(0, 500) . 'px',
    '#alt' => $this
      ->randomMachineName(),
    '#title' => $this
      ->randomMachineName(),
  ];
  $this
    ->render($image);

  // Make sure the srcset attribute has the correct value.
  $this
    ->assertRaw(file_url_transform_relative(file_create_url($this->testImages[0])) . ' ' . $widths[0] . ', ' . file_url_transform_relative(file_create_url($this->testImages[1])) . ' ' . $widths[1], 'Correct output for image with srcset attribute and width descriptors.');
}