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<?php |
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namespace Liip\ImagineBundle\Tests\Filter; |
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use Liip\ImagineBundle\Imagine\Filter\Loader\AutoRotateFilterLoader; |
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use Liip\ImagineBundle\Tests\AbstractTest; |
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/** |
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* Test cases for RotateFilterLoader class. |
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* Depending on the EXIF value checks whether rotate and flip are called. |
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* |
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* @covers Liip\ImagineBundle\Imagine\Filter\Loader\AutoRotateFilterLoader |
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*/ |
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class AutoRotateFilterLoaderTest extends AbstractTest |
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{ |
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private $orientationKey = 'exif.Orientation'; |
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/** |
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* Starts a test with expected results. |
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* |
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* @param $exifValue {String} The exif value to be returned by the metadata mock. |
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* @param $expectCallRotateValue {null|number} The expected rotation value, null if no rotation is expected. |
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* @param $expectCallFlip {Boolean} True if a horizontal flip is expected, false otherwise. |
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*/ |
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private function loadExif($exifValue, $expectCallRotateValue, $expectCallFlip) |
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{ |
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$loader = new AutoRotateFilterLoader(); |
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// Mocks the image and makes it use the fake meta data. |
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$image = $this->getMockImage(); |
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if (method_exists('Imagine\Image\ImageInterface', 'metadata')) { |
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// Mocks the metadata and makes it return the expected exif value for the rotation. |
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// If $exifValue is null, it means the image doesn't contain any metadata. |
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$metaData = $this->getMockMetaData(); |
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$metaData |
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->expects($this->atLeastOnce()) |
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->method('offsetGet') |
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->willReturn($exifValue); |
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if ($exifValue && $exifValue > '1' && $exifValue <= 8) { |
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$metaData |
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->expects($this->once()) |
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->method('offsetSet') |
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->with($this->orientationKey, '1'); |
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} |
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$image |
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->expects($this->atLeastOnce()) |
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->method('metadata') |
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->willReturn($metaData); |
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} else { |
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$jpg = file_get_contents(__DIR__.'/../../../Fixtures/assets/pixel_1x1_orientation_at_0x30.jpg'); |
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// The byte with orientation is at offset 0x30 for this image |
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$jpg[0x30] = chr((int) $exifValue); |
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$image |
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->expects($this->once()) |
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->method('get') |
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->with('jpg') |
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->will($this->returnValue($jpg)); |
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} |
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// Checks that rotate is called with $expectCallRotateValue, or not called at all if $expectCallRotateValue is null. |
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$image |
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->expects($expectCallRotateValue !== null ? $this->once() : $this->never()) |
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->method('rotate') |
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->with($expectCallRotateValue); |
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// Checks that rotate is called if $expectCallFlip is true, not called if $expectCallFlip is false. |
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$image |
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->expects($expectCallFlip ? $this->once() : $this->never()) |
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->method('flipHorizontally'); |
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$loader->load($image); |
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} |
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/* |
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* Possible rotation values |
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* 1: 0° |
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* 2: 0° flipped horizontally |
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* 3: 180° |
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* 4: 180° flipped horizontally |
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* 5: 90° flipped horizontally |
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* 6: 90° |
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* 7: -90° flipped horizontally |
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* 8: -90° |
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* No metadata means no rotation nor flip. |
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*/ |
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/** |
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* 1: no rotation. |
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*/ |
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public function testLoadExif1() |
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{ |
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$this->loadExif('1', null, false); |
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} |
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/** |
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* 2: no rotation flipped horizontally. |
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*/ |
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public function testLoadExif2() |
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{ |
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$this->loadExif('2', null, true); |
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} |
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/** |
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* 3: 180°. |
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*/ |
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public function testLoadExif3() |
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{ |
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$this->loadExif('3', 180, false); |
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} |
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/** |
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* 4: 180° flipped horizontally. |
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*/ |
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public function testLoadExif4() |
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{ |
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$this->loadExif('4', 180, true); |
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} |
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/** |
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* 5: 90° flipped horizontally. |
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*/ |
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public function testLoadExif5() |
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{ |
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$this->loadExif('5', 90, true); |
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} |
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/** |
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* 6: 90°. |
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*/ |
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public function testLoadExif6() |
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{ |
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$this->loadExif('6', 90, false); |
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} |
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/** |
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* 7: -90° flipped horizontally. |
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*/ |
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public function testLoadExif7() |
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{ |
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$this->loadExif('7', -90, true); |
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} |
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/** |
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* 8: -90°. |
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*/ |
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public function testLoadExif8() |
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{ |
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$this->loadExif('8', -90, false); |
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} |
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/** |
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* Theoretically Orientation is `short` (uint16), so it could be anything |
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* from [0; 65535]. |
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* |
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* @expectedException \Imagine\Exception\InvalidArgumentException |
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*/ |
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public function testLoadExifInvalid() |
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{ |
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$this->loadExif('10', null, false); |
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} |
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/** |
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* No rotation info: no rotation nor flip. |
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*/ |
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public function testLoadExifNull() |
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{ |
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$this->loadExif(null, null, false); |
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} |
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} |
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liip /
LiipImagineBundle
