This ensures the resolution of a specific file is within bounds. The image will be resized if it's too large.

File

modules/simpletest/tests/file.test, line 420

Class

FileValidatorTest

This will run tests against the file validation functions (file_validate_*).

Code

function testFileValidateImageResolution() {
 // Non-images.
 $errors = file_validate_image_resolution ($this->non_image );
 $this->assertEqual (count ($errors), 0, 'Should not get any errors for a non-image file.', 'File');
 $errors = file_validate_image_resolution ($this->non_image , '50x50', '100x100');
 $this->assertEqual (count ($errors), 0, 'Do not check the resolution on non files.', 'File');
 // Minimum size.
 $errors = file_validate_image_resolution ($this->image );
 $this->assertEqual (count ($errors), 0, 'No errors for an image when there is no minimum or maximum resolution.', 'File');
 $errors = file_validate_image_resolution ($this->image , 0, '200x1');
 $this->assertEqual (count ($errors), 1, 'Got an error for an image that was not wide enough.', 'File');
 $errors = file_validate_image_resolution ($this->image , 0, '1x200');
 $this->assertEqual (count ($errors), 1, 'Got an error for an image that was not tall enough.', 'File');
 $errors = file_validate_image_resolution ($this->image , 0, '200x200');
 $this->assertEqual (count ($errors), 1, 'Small images report an error.', 'File');
 // Maximum size.
 if (image_get_toolkit ()) {
 // Copy the image so that the original doesn't get resized.
 copy ('misc/druplicon.png', 'temporary://druplicon.png');
 $this->image ->uri  = 'temporary://druplicon.png';
 $errors = file_validate_image_resolution ($this->image , '10x5');
 $this->assertEqual (count ($errors), 0, 'No errors should be reported when an oversized image can be scaled down.', 'File');
 $info = image_get_info ($this->image ->uri );
 $this->assertTrue ($info['width'] <= 10, 'Image scaled to correct width.', 'File');
 $this->assertTrue ($info['height'] <= 5, 'Image scaled to correct height.', 'File');
 drupal_unlink ('temporary://druplicon.png');
 // Combine maximum and minimum size.
 copy ('misc/druplicon.png', 'temporary://druplicon.png');
 $this->image ->uri  = 'temporary://druplicon.png';
 $errors = file_validate_image_resolution ($this->image , '10x5', '5x5');
 $this->assertEqual (count ($errors), 1, 'Got an error for an image that was too small after resizing to maximum size.', 'File');
 drupal_unlink ('temporary://druplicon.png');
 }
 else {
 // TODO: should check that the error is returned if no toolkit is available.
 $errors = file_validate_image_resolution ($this->image , '5x10');
 $this->assertEqual (count ($errors), 1, 'Oversize images that cannot be scaled get an error.', 'File');
 }
}

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