Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\Tests\Component\Utility;
Chris@0: 
Chris@0: use Drupal\Component\Utility\Image;
Chris@0: use PHPUnit\Framework\TestCase;
Chris@0: 
Chris@0: /**
Chris@0:  * @coversDefaultClass \Drupal\Component\Utility\Image
Chris@0:  * @group Image
Chris@0:  */
Chris@0: class ImageTest extends TestCase {
Chris@0: 
Chris@0:   /**
Chris@0:    * Tests all control flow branches in image_dimensions_scale().
Chris@0:    *
Chris@0:    * @dataProvider providerTestScaleDimensions
Chris@0:    */
Chris@0:   public function testScaleDimensions($input, $output) {
Chris@0:     // Process the test dataset.
Chris@0:     $return_value = Image::scaleDimensions($input['dimensions'], $input['width'], $input['height'], $input['upscale']);
Chris@0: 
Chris@0:     // Check the width.
Chris@0:     $this->assertEquals($output['dimensions']['width'], $input['dimensions']['width'], sprintf('Computed width (%s) does not equal expected width (%s)', $output['dimensions']['width'], $input['dimensions']['width']));
Chris@0: 
Chris@0:     // Check the height.
Chris@0:     $this->assertEquals($output['dimensions']['height'], $input['dimensions']['height'], sprintf('Computed height (%s) does not equal expected height (%s)', $output['dimensions']['height'], $input['dimensions']['height']));
Chris@0: 
Chris@0:     // Check the return value.
Chris@0:     $this->assertEquals($output['return_value'], $return_value, 'Incorrect return value.');
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Provides data for image dimension scale tests.
Chris@0:    *
Chris@0:    * @return array
Chris@0:    *   Keyed array containing:
Chris@0:    *   - 'input' - Array which contains input for Image::scaleDimensions().
Chris@0:    *   - 'output' - Array which contains expected output after passing
Chris@0:    *     through Image::scaleDimensions. Also contains a boolean
Chris@0:    *     'return_value' which should match the expected return value.
Chris@0:    *
Chris@0:    * @see testScaleDimensions()
Chris@0:    */
Chris@0:   public function providerTestScaleDimensions() {
Chris@0:     // Define input / output datasets to test different branch conditions.
Chris@0:     $tests = [];
Chris@0: 
Chris@0:     // Test branch conditions:
Chris@0:     // - No height.
Chris@0:     // - Upscale, don't need to upscale.
Chris@0:     $tests[] = [
Chris@0:       'input' => [
Chris@0:         'dimensions' => [
Chris@0:           'width' => 1000,
Chris@0:           'height' => 2000,
Chris@0:         ],
Chris@0:         'width' => 200,
Chris@0:         'height' => NULL,
Chris@0:         'upscale' => TRUE,
Chris@0:       ],
Chris@0:       'output' => [
Chris@0:         'dimensions' => [
Chris@0:           'width' => 200,
Chris@0:           'height' => 400,
Chris@0:         ],
Chris@0:         'return_value' => TRUE,
Chris@0:       ],
Chris@0:     ];
Chris@0: 
Chris@0:     // Test branch conditions:
Chris@0:     // - No width.
Chris@0:     // - Don't upscale, don't need to upscale.
Chris@0:     $tests[] = [
Chris@0:       'input' => [
Chris@0:         'dimensions' => [
Chris@0:           'width' => 1000,
Chris@0:           'height' => 800,
Chris@0:         ],
Chris@0:         'width' => NULL,
Chris@0:         'height' => 140,
Chris@0:         'upscale' => FALSE,
Chris@0:       ],
Chris@0:       'output' => [
Chris@0:         'dimensions' => [
Chris@0:           'width' => 175,
Chris@0:           'height' => 140,
Chris@0:         ],
Chris@0:         'return_value' => TRUE,
Chris@0:       ],
Chris@0:     ];
Chris@0: 
Chris@0:     // Test branch conditions:
Chris@0:     // - Source aspect ratio greater than target.
Chris@0:     // - Upscale, need to upscale.
Chris@0:     $tests[] = [
Chris@0:       'input' => [
Chris@0:         'dimensions' => [
Chris@0:           'width' => 8,
Chris@0:           'height' => 20,
Chris@0:         ],
Chris@0:         'width' => 200,
Chris@0:         'height' => 140,
Chris@0:         'upscale' => TRUE,
Chris@0:       ],
Chris@0:       'output' => [
Chris@0:         'dimensions' => [
Chris@0:           'width' => 56,
Chris@0:           'height' => 140,
Chris@0:         ],
Chris@0:         'return_value' => TRUE,
Chris@0:       ],
Chris@0:     ];
Chris@0: 
Chris@0:     // Test branch condition: target aspect ratio greater than source.
Chris@0:     $tests[] = [
Chris@0:       'input' => [
Chris@0:         'dimensions' => [
Chris@0:           'width' => 2000,
Chris@0:           'height' => 800,
Chris@0:         ],
Chris@0:         'width' => 200,
Chris@0:         'height' => 140,
Chris@0:         'upscale' => FALSE,
Chris@0:       ],
Chris@0:       'output' => [
Chris@0:         'dimensions' => [
Chris@0:           'width' => 200,
Chris@0:           'height' => 80,
Chris@0:         ],
Chris@0:         'return_value' => TRUE,
Chris@0:       ],
Chris@0:     ];
Chris@0: 
Chris@0:     // Test branch condition: don't upscale, need to upscale.
Chris@0:     $tests[] = [
Chris@0:       'input' => [
Chris@0:         'dimensions' => [
Chris@0:           'width' => 100,
Chris@0:           'height' => 50,
Chris@0:         ],
Chris@0:         'width' => 200,
Chris@0:         'height' => 140,
Chris@0:         'upscale' => FALSE,
Chris@0:       ],
Chris@0:       'output' => [
Chris@0:         'dimensions' => [
Chris@0:           'width' => 100,
Chris@0:           'height' => 50,
Chris@0:         ],
Chris@0:         'return_value' => FALSE,
Chris@0:       ],
Chris@0:     ];
Chris@0: 
Chris@0:     return $tests;
Chris@0:   }
Chris@0: 
Chris@0: }