public function ImageTest::providerTestScaleDimensions in Drupal 8

Same name and namespace in other branches

1. 9 core/tests/Drupal/Tests/Component/Utility/ImageTest.php \Drupal\Tests\Component\Utility\ImageTest::providerTestScaleDimensions()

Provides data for image dimension scale tests.

Return value

array Keyed array containing:

• 'input' - Array which contains input for Image::scaleDimensions().
• 'output' - Array which contains expected output after passing through Image::scaleDimensions. Also contains a boolean 'return_value' which should match the expected return value.

See also

testScaleDimensions()

File

core/tests/Drupal/Tests/Component/Utility/ImageTest.php, line 45

Class

ImageTest

@coversDefaultClass \Drupal\Component\Utility\Image @group Image

Namespace

Drupal\Tests\Component\Utility

Code

public function providerTestScaleDimensions() {

  // Define input / output datasets to test different branch conditions.
  $tests = [];

  // Test branch conditions:
  // - No height.
  // - Upscale, don't need to upscale.
  $tests[] = [
    'input' => [
      'dimensions' => [
        'width' => 1000,
        'height' => 2000,
      ],
      'width' => 200,
      'height' => NULL,
      'upscale' => TRUE,
    ],
    'output' => [
      'dimensions' => [
        'width' => 200,
        'height' => 400,
      ],
      'return_value' => TRUE,
    ],
  ];

  // Test branch conditions:
  // - No width.
  // - Don't upscale, don't need to upscale.
  $tests[] = [
    'input' => [
      'dimensions' => [
        'width' => 1000,
        'height' => 800,
      ],
      'width' => NULL,
      'height' => 140,
      'upscale' => FALSE,
    ],
    'output' => [
      'dimensions' => [
        'width' => 175,
        'height' => 140,
      ],
      'return_value' => TRUE,
    ],
  ];

  // Test branch conditions:
  // - Source aspect ratio greater than target.
  // - Upscale, need to upscale.
  $tests[] = [
    'input' => [
      'dimensions' => [
        'width' => 8,
        'height' => 20,
      ],
      'width' => 200,
      'height' => 140,
      'upscale' => TRUE,
    ],
    'output' => [
      'dimensions' => [
        'width' => 56,
        'height' => 140,
      ],
      'return_value' => TRUE,
    ],
  ];

  // Test branch condition: target aspect ratio greater than source.
  $tests[] = [
    'input' => [
      'dimensions' => [
        'width' => 2000,
        'height' => 800,
      ],
      'width' => 200,
      'height' => 140,
      'upscale' => FALSE,
    ],
    'output' => [
      'dimensions' => [
        'width' => 200,
        'height' => 80,
      ],
      'return_value' => TRUE,
    ],
  ];

  // Test branch condition: don't upscale, need to upscale.
  $tests[] = [
    'input' => [
      'dimensions' => [
        'width' => 100,
        'height' => 50,
      ],
      'width' => 200,
      'height' => 140,
      'upscale' => FALSE,
    ],
    'output' => [
      'dimensions' => [
        'width' => 100,
        'height' => 50,
      ],
      'return_value' => FALSE,
    ],
  ];
  return $tests;
}