public function MirrorTest::testMirrorEffect in Image Effects 8.2

Same name and namespace in other branches

1. 8.3 tests/src/Functional/Effect/MirrorTest.php \Drupal\Tests\image_effects\Functional\Effect\MirrorTest::testMirrorEffect()
2. 8 tests/src/Functional/Effect/MirrorTest.php \Drupal\Tests\image_effects\Functional\Effect\MirrorTest::testMirrorEffect()

Mirror effect test.

@dataProvider providerToolkits

Parameters

string $toolkit_id: The id of the toolkit to set up.

string $toolkit_config: The config object of the toolkit to set up.

array $toolkit_settings: The settings of the toolkit to set up.

File

tests/src/Functional/Effect/MirrorTest.php, line 26

Class

MirrorTest

Mirror effect test.

Namespace

Drupal\Tests\image_effects\Functional\Effect

Code

public function testMirrorEffect($toolkit_id, $toolkit_config, array $toolkit_settings) {
  $this
    ->changeToolkit($toolkit_id, $toolkit_config, $toolkit_settings);

  // Test on the PNG test image.
  $original_uri = $this
    ->getTestImageCopyUri('core/tests/fixtures/files/image-test.png');

  // Test data.
  $test_data = [
    // Horizontal mirror.
    'horizontal' => [
      'effect' => [
        'x_axis' => TRUE,
        'y_axis' => FALSE,
      ],
      'expected_text' => 'Mirror horizontal',
      'expected_colors' => [
        $this->green,
        $this->red,
        $this->blue,
        $this->transparent,
      ],
    ],
    // Vertical mirror.
    'vertical' => [
      'effect' => [
        'x_axis' => FALSE,
        'y_axis' => TRUE,
      ],
      'expected_text' => 'Mirror vertical',
      'expected_colors' => [
        $this->transparent,
        $this->blue,
        $this->red,
        $this->green,
      ],
    ],
    // Both horizontal and vertical mirror.
    'both' => [
      'effect' => [
        'x_axis' => TRUE,
        'y_axis' => TRUE,
      ],
      'expected_text' => 'Mirror both horizontal and vertical',
      'expected_colors' => [
        $this->blue,
        $this->transparent,
        $this->green,
        $this->red,
      ],
    ],
  ];
  foreach ($test_data as $data) {

    // Add Mirror effect to the test image style.
    $effect = [
      'id' => 'image_effects_mirror',
      'data' => $data['effect'],
    ];
    $uuid = $this
      ->addEffectToTestStyle($effect);

    // Assert effect summary text.
    $this
      ->assertText($data['expected_text']);

    // Check that ::applyEffect generates image with expected mirror. Colors
    // of the derivative image should be swapped according to the mirror
    // direction.
    $derivative_uri = $this->testImageStyle
      ->buildUri($original_uri);
    $this->testImageStyle
      ->createDerivative($original_uri, $derivative_uri);
    $image = $this->imageFactory
      ->get($derivative_uri, 'gd');
    $this
      ->assertColorsAreEqual($data['expected_colors'][0], $this
      ->getPixelColor($image, 0, 0));
    $this
      ->assertColorsAreEqual($data['expected_colors'][1], $this
      ->getPixelColor($image, 39, 0));
    $this
      ->assertColorsAreEqual($data['expected_colors'][2], $this
      ->getPixelColor($image, 0, 19));
    $this
      ->assertColorsAreEqual($data['expected_colors'][3], $this
      ->getPixelColor($image, 39, 19));

    // Remove effect.
    $uuid = $this
      ->removeEffectFromTestStyle($uuid);
  }
}