--- /dev/null
+<?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']);
+ }
+
+}
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