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<?php
namespace Drupal\Tests\Core\Image;
use Drupal\Core\Image\Image;
use Drupal\Core\ImageToolkit\ImageToolkitInterface;
use Drupal\Tests\UnitTestCase;
/**
* Tests the image class.
*
* @requires extension gd
* @group Image
*/
class ImageTest extends UnitTestCase {
/**
* Image source path.
*
* @var string
*/
protected $source;
/**
* Image object.
*
* @var \Drupal\Core\Image\Image
*/
protected $image;
/**
* Mocked image toolkit.
*
* @var \Drupal\Core\ImageToolkit\ImageToolkitInterface
*/
protected $toolkit;
/**
* Mocked image toolkit operation.
*
* @var \Drupal\Core\ImageToolkit\ImageToolkitOperationInterface
*/
protected $toolkitOperation;
/**
* {@inheritdoc}
*/
protected function setUp() {
// Use the Druplicon image.
$this->source = __DIR__ . '/../../../../../misc/druplicon.png';
}
/**
* Mocks a toolkit.
*
* @param array $stubs
* (optional) Array containing methods to be replaced with stubs.
*
* @return \PHPUnit_Framework_MockObject_MockObject
*/
protected function getToolkitMock(array $stubs = []) {
$mock_builder = $this->getMockBuilder('Drupal\system\Plugin\ImageToolkit\GDToolkit');
$stubs = array_merge(['getPluginId', 'save'], $stubs);
return $mock_builder
->disableOriginalConstructor()
->setMethods($stubs)
->getMock();
}
/**
* Mocks a toolkit operation.
*
* @param string $class_name
* The name of the GD toolkit operation class to be mocked.
* @param ImageToolkitInterface $toolkit
* The image toolkit object.
*
* @return \PHPUnit_Framework_MockObject_MockObject
*/
protected function getToolkitOperationMock($class_name, ImageToolkitInterface $toolkit) {
$mock_builder = $this->getMockBuilder('Drupal\system\Plugin\ImageToolkit\Operation\gd\\' . $class_name);
$logger = $this->getMock('Psr\Log\LoggerInterface');
return $mock_builder
->setMethods(['execute'])
->setConstructorArgs([[], '', [], $toolkit, $logger])
->getMock();
}
/**
* Get an image with a mocked toolkit, for testing.
*
* @param bool $load_expected
* (optional) Whether the load() method is expected to be called. Defaults
* to TRUE.
* @param array $stubs
* (optional) Array containing toolkit methods to be replaced with stubs.
*
* @return \Drupal\Core\Image\Image
* An image object.
*/
protected function getTestImage($load_expected = TRUE, array $stubs = []) {
if (!$load_expected && !in_array('load', $stubs)) {
$stubs = array_merge(['load'], $stubs);
}
$this->toolkit = $this->getToolkitMock($stubs);
$this->toolkit->expects($this->any())
->method('getPluginId')
->will($this->returnValue('gd'));
if (!$load_expected) {
$this->toolkit->expects($this->never())
->method('load');
}
$this->image = new Image($this->toolkit, $this->source);
}
/**
* Get an image with mocked toolkit and operation, for operation testing.
*
* @param string $class_name
* The name of the GD toolkit operation class to be mocked.
*
* @return \Drupal\Core\Image\Image
* An image object.
*/
protected function getTestImageForOperation($class_name) {
$this->toolkit = $this->getToolkitMock(['getToolkitOperation']);
$this->toolkitOperation = $this->getToolkitOperationMock($class_name, $this->toolkit);
$this->toolkit->expects($this->any())
->method('getPluginId')
->will($this->returnValue('gd'));
$this->toolkit->expects($this->any())
->method('getToolkitOperation')
->will($this->returnValue($this->toolkitOperation));
$this->image = new Image($this->toolkit, $this->source);
}
/**
* Tests \Drupal\Core\Image\Image::getHeight().
*/
public function testGetHeight() {
$this->getTestImage(FALSE);
$this->assertEquals(100, $this->image->getHeight());
}
/**
* Tests \Drupal\Core\Image\Image::getWidth().
*/
public function testGetWidth() {
$this->getTestImage(FALSE);
$this->assertEquals(88, $this->image->getWidth());
}
/**
* Tests \Drupal\Core\Image\Image::getFileSize
*/
public function testGetFileSize() {
$this->getTestImage(FALSE);
$this->assertEquals(3905, $this->image->getFileSize());
}
/**
* Tests \Drupal\Core\Image\Image::getToolkit()->getType().
*/
public function testGetType() {
$this->getTestImage(FALSE);
$this->assertEquals(IMAGETYPE_PNG, $this->image->getToolkit()->getType());
}
/**
* Tests \Drupal\Core\Image\Image::getMimeType().
*/
public function testGetMimeType() {
$this->getTestImage(FALSE);
$this->assertEquals('image/png', $this->image->getMimeType());
}
/**
* Tests \Drupal\Core\Image\Image::isValid().
*/
public function testIsValid() {
$this->getTestImage(FALSE);
$this->assertTrue($this->image->isValid());
$this->assertTrue(is_readable($this->image->getSource()));
}
/**
* Tests \Drupal\Core\Image\Image::getToolkitId().
*/
public function testGetToolkitId() {
$this->getTestImage(FALSE);
$this->assertEquals('gd', $this->image->getToolkitId());
}
/**
* Tests \Drupal\Core\Image\Image::save().
*/
public function testSave() {
$this->getTestImage();
// This will fail if save() method isn't called on the toolkit.
$toolkit = $this->getToolkitMock();
$toolkit->expects($this->once())
->method('save')
->will($this->returnValue(TRUE));
$image = $this->getMock('Drupal\Core\Image\Image', ['chmod'], [$toolkit, $this->image->getSource()]);
$image->expects($this->any())
->method('chmod')
->will($this->returnValue(TRUE));
$image->save();
}
/**
* Tests \Drupal\Core\Image\Image::save().
*/
public function testSaveFails() {
$this->getTestImage();
// This will fail if save() method isn't called on the toolkit.
$this->toolkit->expects($this->once())
->method('save')
->will($this->returnValue(FALSE));
$this->assertFalse($this->image->save());
}
/**
* Tests \Drupal\Core\Image\Image::save().
*/
public function testChmodFails() {
$this->getTestImage();
// This will fail if save() method isn't called on the toolkit.
$toolkit = $this->getToolkitMock();
$toolkit->expects($this->once())
->method('save')
->will($this->returnValue(TRUE));
$image = $this->getMock('Drupal\Core\Image\Image', ['chmod'], [$toolkit, $this->image->getSource()]);
$image->expects($this->any())
->method('chmod')
->will($this->returnValue(FALSE));
$this->assertFalse($image->save());
}
/**
* Tests \Drupal\Core\Image\Image::parseFile().
*/
public function testParseFileFails() {
$toolkit = $this->getToolkitMock();
$image = new Image($toolkit, 'magic-foobars.png');
$this->assertFalse($image->isValid());
$this->assertFalse($image->save());
}
/**
* Tests \Drupal\Core\Image\Image::scale().
*/
public function testScaleWidth() {
$this->getTestImageForOperation('Scale');
$this->toolkitOperation->expects($this->once())
->method('execute')
->will($this->returnArgument(0));
$ret = $this->image->scale(44, NULL, FALSE);
$this->assertEquals(50, $ret['height']);
}
/**
* Tests \Drupal\Core\Image\Image::scale().
*/
public function testScaleHeight() {
$this->getTestImageForOperation('Scale');
$this->toolkitOperation->expects($this->once())
->method('execute')
->will($this->returnArgument(0));
$ret = $this->image->scale(NULL, 50, FALSE);
$this->assertEquals(44, $ret['width']);
}
/**
* Tests \Drupal\Core\Image\Image::scale().
*/
public function testScaleSame() {
$this->getTestImageForOperation('Scale');
// Dimensions are the same, resize should not be called.
$this->toolkitOperation->expects($this->once())
->method('execute')
->will($this->returnArgument(0));
$ret = $this->image->scale(88, 100, FALSE);
$this->assertEquals(88, $ret['width']);
$this->assertEquals(100, $ret['height']);
}
/**
* Tests \Drupal\Core\Image\Image::scaleAndCrop().
*/
public function testScaleAndCropWidth() {
$this->getTestImageForOperation('ScaleAndCrop');
$this->toolkitOperation->expects($this->once())
->method('execute')
->will($this->returnArgument(0));
$ret = $this->image->scaleAndCrop(34, 50, FALSE);
$this->assertEquals(5, $ret['x']);
}
/**
* Tests \Drupal\Core\Image\Image::scaleAndCrop().
*/
public function testScaleAndCropHeight() {
$this->getTestImageForOperation('ScaleAndCrop');
$this->toolkitOperation->expects($this->once())
->method('execute')
->will($this->returnArgument(0));
$ret = $this->image->scaleAndCrop(44, 40);
$this->assertEquals(5, $ret['y']);
}
/**
* Tests \Drupal\Core\Image\Image::scaleAndCrop().
*/
public function testScaleAndCropFails() {
$this->getTestImageForOperation('ScaleAndCrop');
$this->toolkitOperation->expects($this->once())
->method('execute')
->will($this->returnArgument(0));
$ret = $this->image->scaleAndCrop(44, 40);
$this->assertEquals(0, $ret['x']);
$this->assertEquals(5, $ret['y']);
$this->assertEquals(44, $ret['resize']['width']);
$this->assertEquals(50, $ret['resize']['height']);
}
/**
* Tests \Drupal\Core\Image\Image::crop().
*/
public function testCropWidth() {
$this->getTestImageForOperation('Crop');
$this->toolkitOperation->expects($this->once())
->method('execute')
->will($this->returnArgument(0));
// Cropping with width only should preserve the aspect ratio.
$ret = $this->image->crop(0, 0, 44);
$this->assertEquals(50, $ret['height']);
}
/**
* Tests \Drupal\Core\Image\Image::crop().
*/
public function testCropHeight() {
$this->getTestImageForOperation('Crop');
$this->toolkitOperation->expects($this->once())
->method('execute')
->will($this->returnArgument(0));
// Cropping with height only should preserve the aspect ratio.
$ret = $this->image->crop(0, 0, NULL, 50);
$this->assertEquals(44, $ret['width']);
}
/**
* Tests \Drupal\Core\Image\Image::crop().
*/
public function testCrop() {
$this->getTestImageForOperation('Crop');
$this->toolkitOperation->expects($this->once())
->method('execute')
->will($this->returnArgument(0));
$ret = $this->image->crop(0, 0, 44, 50);
$this->assertEquals(44, $ret['width']);
}
/**
* Tests \Drupal\Core\Image\Image::convert().
*/
public function testConvert() {
$this->getTestImageForOperation('Convert');
$this->toolkitOperation->expects($this->once())
->method('execute')
->will($this->returnArgument(0));
$ret = $this->image->convert('png');
$this->assertEquals('png', $ret['extension']);
}
/**
* Tests \Drupal\Core\Image\Image::resize().
*/
public function testResize() {
$this->getTestImageForOperation('Resize');
$this->toolkitOperation->expects($this->once())
->method('execute')
->will($this->returnArgument(0));
// Resize with integer for width and height.
$ret = $this->image->resize(30, 40);
$this->assertEquals(30, $ret['width']);
$this->assertEquals(40, $ret['height']);
}
/**
* Tests \Drupal\Core\Image\Image::resize().
*/
public function testFloatResize() {
$this->getTestImageForOperation('Resize');
$this->toolkitOperation->expects($this->once())
->method('execute')
->will($this->returnArgument(0));
// Pass a float for width.
$ret = $this->image->resize(30.4, 40);
// Ensure that the float was rounded to an integer first.
$this->assertEquals(30, $ret['width']);
}
/**
* Tests \Drupal\Core\Image\Image::desaturate().
*/
public function testDesaturate() {
$this->getTestImageForOperation('Desaturate');
$this->toolkitOperation->expects($this->once())
->method('execute')
->will($this->returnArgument(0));
$this->image->desaturate();
}
/**
* Tests \Drupal\Core\Image\Image::rotate().
*/
public function testRotate() {
$this->getTestImageForOperation('Rotate');
$this->toolkitOperation->expects($this->once())
->method('execute')
->will($this->returnArgument(0));
$ret = $this->image->rotate(90);
$this->assertEquals(90, $ret['degrees']);
}
}