public function ImageStyleQualityTest::testImageQuality in Image Style Quality 8

Test the image quality is reduced using the plugin.

@dataProvider imageQualityTestCases

File

tests/src/Kernel/ImageStyleQualityTest.php, line 65

Class

ImageStyleQualityTest

Test the image styles.

Namespace

Drupal\Tests\image_style_quality\Kernel

Code

public function testImageQuality($toolkit) {
  $this
    ->config('system.image')
    ->set('toolkit', $toolkit)
    ->save();
  $style = ImageStyle::load($this->styleName);
  $original_uri = __DIR__ . '/../../fixtures/original.jpg';
  $derivative_uri = 'public://test-image.jpg';
  $style
    ->createDerivative($original_uri, $derivative_uri);

  // Ensure the generated image is at least half the size of the original.
  $this
    ->assertTrue(filesize($original_uri) > filesize($derivative_uri) * 2);
}