public function ImageStyleFlushTest::testFlush in Drupal 8

Same name and namespace in other branches

1. 9 core/modules/image/tests/src/Functional/ImageStyleFlushTest.php \Drupal\Tests\image\Functional\ImageStyleFlushTest::testFlush()

General test to flush a style.

File

core/modules/image/tests/src/Functional/ImageStyleFlushTest.php, line 60

Class

ImageStyleFlushTest

Tests flushing of image styles.

Namespace

Drupal\Tests\image\Functional

Code

public function testFlush() {

  // Setup a style to be created and effects to add to it.
  $style_name = strtolower($this
    ->randomMachineName(10));
  $style_label = $this
    ->randomString();
  $style_path = 'admin/config/media/image-styles/manage/' . $style_name;
  $effect_edits = [
    'image_resize' => [
      'data[width]' => 100,
      'data[height]' => 101,
    ],
    'image_scale' => [
      'data[width]' => 110,
      'data[height]' => 111,
      'data[upscale]' => 1,
    ],
  ];

  // Add style form.
  $edit = [
    'name' => $style_name,
    'label' => $style_label,
  ];
  $this
    ->drupalPostForm('admin/config/media/image-styles/add', $edit, t('Create new style'));

  // Add each sample effect to the style.
  foreach ($effect_edits as $effect => $edit) {

    // Add the effect.
    $this
      ->drupalPostForm($style_path, [
      'new' => $effect,
    ], t('Add'));
    if (!empty($edit)) {
      $this
        ->drupalPostForm(NULL, $edit, t('Add effect'));
    }
  }

  // Load the saved image style.
  $style = ImageStyle::load($style_name);

  // Create an image for the 'public' wrapper.
  $image_path = $this
    ->createSampleImage($style, 'public');

  // Expecting to find 2 images, one is the sample.png image shown in
  // image style preview.
  $this
    ->assertEqual($this
    ->getImageCount($style, 'public'), 2, new FormattableMarkup('Image style %style image %file successfully generated.', [
    '%style' => $style
      ->label(),
    '%file' => $image_path,
  ]));

  // Create an image for the 'private' wrapper.
  $image_path = $this
    ->createSampleImage($style, 'private');
  $this
    ->assertEqual($this
    ->getImageCount($style, 'private'), 1, new FormattableMarkup('Image style %style image %file successfully generated.', [
    '%style' => $style
      ->label(),
    '%file' => $image_path,
  ]));

  // Remove the 'image_scale' effect and updates the style, which in turn
  // forces an image style flush.
  $style_path = 'admin/config/media/image-styles/manage/' . $style
    ->id();
  $uuids = [];
  foreach ($style
    ->getEffects() as $uuid => $effect) {
    $uuids[$effect
      ->getPluginId()] = $uuid;
  }
  $this
    ->drupalPostForm($style_path . '/effects/' . $uuids['image_scale'] . '/delete', [], t('Delete'));
  $this
    ->assertSession()
    ->statusCodeEquals(200);
  $this
    ->drupalPostForm($style_path, [], t('Save'));
  $this
    ->assertSession()
    ->statusCodeEquals(200);

  // Post flush, expected 1 image in the 'public' wrapper (sample.png).
  $this
    ->assertEqual($this
    ->getImageCount($style, 'public'), 1, new FormattableMarkup('Image style %style flushed correctly for %wrapper wrapper.', [
    '%style' => $style
      ->label(),
    '%wrapper' => 'public',
  ]));

  // Post flush, expected no image in the 'private' wrapper.
  $this
    ->assertEqual($this
    ->getImageCount($style, 'private'), 0, new FormattableMarkup('Image style %style flushed correctly for %wrapper wrapper.', [
    '%style' => $style
      ->label(),
    '%wrapper' => 'private',
  ]));
}