function ImageStyleTest::testGetDerivativeExtension

Tests get derivative extension.

File

core/modules/image/tests/src/Unit/ImageStyleTest.php, line 106

Class

ImageStyleTest

Tests Drupal\image\Entity\ImageStyle.

Namespace

Code

public function testGetDerivativeExtension() : void {
  $image_effect_id = $this->randomMachineName();
  $image_effect = $this->createStub(ImageEffectBase::class);
  $image_effect->method('getDerivativeExtension')
    ->willReturn('png');
  $image_style = $this->getImageStyleMock($image_effect_id, $image_effect);
  $image_style->expects($this->once())
    ->method('getImageEffectPluginManager');
  $extensions = [
    'jpeg',
    'gif',
    'png',
  ];
  foreach ($extensions as $extension) {
    $extensionReturned = $image_style->getDerivativeExtension($extension);
    $this->assertEquals('png', $extensionReturned);
  }
}