function ImageStyleFlushTest::testFlush

General test to flush a style.

File

core/modules/image/tests/src/Functional/ImageStyleFlushTest.php, line 61

Class

ImageStyleFlushTest

Tests flushing of image styles.

Namespace

Code

public function testFlush() : void {
  // Setup a style to be created and effects to add to it.
  $style_name = $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->drupalGet('admin/config/media/image-styles/add');
  $this->submitForm($edit, 'Create new style');
  // Add each sample effect to the style.
  foreach ($effect_edits as $effect => $edit) {
    // Add the effect.
    $this->drupalGet($style_path);
    $this->submitForm([
      'new' => $effect,
    ], 'Add');
    if (!empty($edit)) {
      $this->submitForm($edit, '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->assertEquals(2, $this->getImageCount($style, 'public'), "Image style {$style->label()} image {$image_path} successfully generated.");
  // Create an image for the 'private' wrapper.
  $image_path = $this->createSampleImage($style, 'private');
  $this->assertEquals(1, $this->getImageCount($style, 'private'), "Image style {$style->label()} image {$image_path} successfully generated.");
  // 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;
  }
  $this->drupalGet($style_path . '/effects/' . $uuids['image_scale'] . '/delete');
  $this->submitForm([], 'Delete');
  $this->assertSession()
    ->statusCodeEquals(200);
  $this->drupalGet($style_path);
  $this->submitForm([], 'Save');
  $this->assertSession()
    ->statusCodeEquals(200);
  // Post flush, expected 1 image in the 'public' wrapper (sample.png).
  $this->assertEquals(1, $this->getImageCount($style, 'public'), "Image style {$style->label()} flushed correctly for public wrapper.");
  // Post flush, expected no image in the 'private' wrapper.
  $this->assertEquals(0, $this->getImageCount($style, 'private'), "Image style {$style->label()} flushed correctly for private wrapper.");
  $state = \Drupal::state();
  $state->set('image_module_test_image_style_flush.called', FALSE);
  $style->flush();
  $this->assertNull($state->get('image_module_test_image_style_flush.called'));
  $style->flush('/made/up/path');
  $this->assertSame('/made/up/path', $state->get('image_module_test_image_style_flush.called'));
}