silverstripe-framework/tests/model/ImageTest.php

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<?php
/**
* @package framework
* @subpackage tests
*/
class ImageTest extends SapphireTest {
protected static $fixture_file = 'ImageTest.yml';
protected $origBackend;
public function setUp() {
if(get_class($this) == "ImageTest")
$this->skipTest = true;
parent::setUp();
if($this->skipTest)
return;
$this->origBackend = Image::get_backend();
if(!file_exists(ASSETS_PATH)) mkdir(ASSETS_PATH);
// Create a test folders for each of the fixture references
$folderIDs = $this->allFixtureIDs('Folder');
foreach($folderIDs as $folderID) {
$folder = DataObject::get_by_id('Folder', $folderID);
if(!file_exists(BASE_PATH."/$folder->Filename")) mkdir(BASE_PATH."/$folder->Filename");
}
}
public function tearDown() {
Image::set_backend($this->origBackend);
/* Remove the test files that we've created */
$fileIDs = $this->allFixtureIDs('Image');
foreach($fileIDs as $fileID) {
$file = DataObject::get_by_id('Image', $fileID);
if($file && file_exists(BASE_PATH."/$file->Filename")) unlink(BASE_PATH."/$file->Filename");
}
/* Remove the test folders that we've crated */
$folderIDs = $this->allFixtureIDs('Folder');
foreach($folderIDs as $folderID) {
$folder = DataObject::get_by_id('Folder', $folderID);
if($folder && file_exists(BASE_PATH."/$folder->Filename")) {
Filesystem::removeFolder(BASE_PATH."/$folder->Filename");
}
if($folder && file_exists(BASE_PATH."/".$folder->Filename."_resampled")) {
Filesystem::removeFolder(BASE_PATH."/".$folder->Filename."_resampled");
}
}
parent::tearDown();
}
public function testGetTagWithTitle() {
$image = $this->objFromFixture('Image', 'imageWithTitle');
$expected = '<img src="' . Director::baseUrl()
. 'assets/ImageTest/test_image.png" alt="This is a image Title" />';
$actual = $image->getTag();
$this->assertEquals($expected, $actual);
}
public function testGetTagWithoutTitle() {
$image = $this->objFromFixture('Image', 'imageWithoutTitle');
$expected = '<img src="' . Director::baseUrl() . 'assets/ImageTest/test_image.png" alt="test_image" />';
$actual = $image->getTag();
$this->assertEquals($expected, $actual);
}
public function testGetTagWithoutTitleContainingDots() {
$image = $this->objFromFixture('Image', 'imageWithoutTitleContainingDots');
$expected = '<img src="' . Director::baseUrl()
. 'assets/ImageTest/test.image.with.dots.png" alt="test.image.with.dots" />';
$actual = $image->getTag();
$this->assertEquals($expected, $actual);
}
/**
* Tests that multiple image manipulations may be performed on a single Image
*/
public function testMultipleGenerateManipulationCalls() {
$image = $this->objFromFixture('Image', 'imageWithoutTitle');
$imageFirst = $image->SetWidth(200);
$this->assertNotNull($imageFirst);
$expected = 200;
$actual = $imageFirst->getWidth();
$this->assertEquals($expected, $actual);
$imageSecond = $imageFirst->setHeight(100);
$this->assertNotNull($imageSecond);
$expected = 100;
$actual = $imageSecond->getHeight();
$this->assertEquals($expected, $actual);
}
/**
* Tests that image manipulations that do not affect the resulting dimensions
* of the output image do not resample the file.
*/
public function testReluctanceToResampling() {
2013-08-21 08:54:05 +02:00
$image = $this->objFromFixture('Image', 'imageWithoutTitle');
$this->assertTrue($image->isSize(300, 300));
// Set width to 50 pixels
$imageSetWidth = $image->SetWidth(300);
$this->assertEquals($imageSetWidth->getWidth(), 300);
$this->assertEquals($image->Filename, $imageSetWidth->Filename);
// Set height to 300 pixels
$imageSetHeight = $image->SetHeight(300);
$this->assertEquals($imageSetHeight->getHeight(), 300);
$this->assertEquals($image->Filename, $imageSetHeight->Filename);
// Crop image to 300 x 300
$imageCropped = $image->CroppedImage(300, 300);
$this->assertTrue($imageCropped->isSize(300, 300));
$this->assertEquals($image->Filename, $imageCropped->Filename);
// Resize (padded) to 300 x 300
$imageSized = $image->SetSize(300, 300);
$this->assertTrue($imageSized->isSize(300, 300));
$this->assertEquals($image->Filename, $imageSized->Filename);
// Padded image 300 x 300 (same as above)
$imagePadded = $image->PaddedImage(300, 300);
$this->assertTrue($imagePadded->isSize(300, 300));
$this->assertEquals($image->Filename, $imagePadded->Filename);
// Resized (stretched) to 300 x 300
$imageStretched = $image->ResizedImage(300, 300);
$this->assertTrue($imageStretched->isSize(300, 300));
$this->assertEquals($image->Filename, $imageStretched->Filename);
// SetRatioSize (various options)
$imageSetRatioSize = $image->SetRatioSize(300, 600);
$this->assertTrue($imageSetRatioSize->isSize(300, 300));
$this->assertEquals($image->Filename, $imageSetRatioSize->Filename);
$imageSetRatioSize = $image->SetRatioSize(600, 300);
$this->assertTrue($imageSetRatioSize->isSize(300, 300));
$this->assertEquals($image->Filename, $imageSetRatioSize->Filename);
$imageSetRatioSize = $image->SetRatioSize(300, 300);
$this->assertTrue($imageSetRatioSize->isSize(300, 300));
$this->assertEquals($image->Filename, $imageSetRatioSize->Filename);
}
public function testImageResize() {
$image = $this->objFromFixture('Image', 'imageWithoutTitle');
$this->assertTrue($image->isSize(300, 300));
// Test normal resize
$resized = $image->SetSize(150, 100);
$this->assertTrue($resized->isSize(150, 100));
// Test cropped resize
$cropped = $image->CroppedImage(100, 200);
$this->assertTrue($cropped->isSize(100, 200));
// Test padded resize
$padded = $image->PaddedImage(200, 100);
$this->assertTrue($padded->isSize(200, 100));
// Test SetRatioSize
$ratio = $image->SetRatioSize(80, 160);
$this->assertTrue($ratio->isSize(80, 80));
}
/**
* @expectedException PHPUnit_Framework_Error
*/
public function testGenerateImageWithInvalidParameters() {
$image = $this->objFromFixture('Image', 'imageWithoutTitle');
$image->setHeight('String');
$image->PaddedImage(600,600,'XXXXXX');
}
public function testCacheFilename() {
$image = $this->objFromFixture('Image', 'imageWithoutTitle');
$imageFirst = $image->SetSize(200,200);
$imageFilename = $imageFirst->getFullPath();
// Encoding of the arguments is duplicated from cacheFilename
$neededPart = 'SetSize' . base64_encode(json_encode(array(200,200)));
$this->assertContains($neededPart, $imageFilename, 'Filename for cached image is correctly generated');
}
public function testMultipleGenerateManipulationCalls_Regeneration() {
$image = $this->objFromFixture('Image', 'imageWithoutTitle');
$folder = new SS_FileFinder();
$imageFirst = $image->SetSize(200,200);
$this->assertNotNull($imageFirst);
$expected = 200;
$actual = $imageFirst->getWidth();
$this->assertEquals($expected, $actual);
$imageSecond = $imageFirst->setHeight(100);
$this->assertNotNull($imageSecond);
$expected = 100;
$actual = $imageSecond->getHeight();
$this->assertEquals($expected, $actual);
$imageThird = $imageSecond->PaddedImage(600,600,'0F0F0F');
// Encoding of the arguments is duplicated from cacheFilename
$argumentString = base64_encode(json_encode(array(600,600,'0F0F0F')));
$this->assertNotNull($imageThird);
$this->assertContains($argumentString, $imageThird->getFullPath(), 'Image contains background color for padded resizement');
$imageThirdPath = $imageThird->getFullPath();
$filesInFolder = $folder->find(dirname($imageThirdPath));
$this->assertEquals(3, count($filesInFolder), 'Image folder contains only the expected number of images before regeneration');
$hash = md5_file($imageThirdPath);
$this->assertEquals(3, $image->regenerateFormattedImages(), 'Cached images were regenerated in the right number');
$this->assertEquals($hash, md5_file($imageThirdPath), 'Regeneration of third image is correct');
/* Check that no other images exist, to ensure that the regeneration did not create other images */
$this->assertEquals($filesInFolder, $folder->find(dirname($imageThirdPath)), 'Image folder contains only the expected image files after regeneration');
}
public function testRegenerateImages() {
$image = $this->objFromFixture('Image', 'imageWithMetacharacters');
$image_generated = $image->SetWidth(200);
$p = $image_generated->getFullPath();
$this->assertTrue(file_exists($p), 'Resized image exists after creation call');
$this->assertEquals(1, $image->regenerateFormattedImages(), 'Cached images were regenerated correct');
$this->assertEquals($image_generated->getWidth(), 200, 'Resized image has correct width after regeneration call');
$this->assertTrue(file_exists($p), 'Resized image exists after regeneration call');
}
public function testRegenerateImagesWithRenaming() {
$image = $this->objFromFixture('Image', 'imageWithMetacharacters');
$image_generated = $image->SetWidth(200);
$p = $image_generated->getFullPath();
$this->assertTrue(file_exists($p), 'Resized image exists after creation call');
// Encoding of the arguments is duplicated from cacheFilename
$oldArgumentString = base64_encode(json_encode(array(200)));
$newArgumentString = base64_encode(json_encode(array(300)));
$newPath = str_replace($oldArgumentString, $newArgumentString, $p);
$newRelative = str_replace($oldArgumentString, $newArgumentString, $image_generated->getFileName());
rename($p, $newPath);
$this->assertFalse(file_exists($p), 'Resized image does not exist after movement call under old name');
$this->assertTrue(file_exists($newPath), 'Resized image exists after movement call under new name');
$this->assertEquals(1, $image->regenerateFormattedImages(), 'Cached images were regenerated in the right number');
$image_generated_2 = new Image_Cached($newRelative);
$this->assertEquals(300, $image_generated_2->getWidth(), 'Cached image was regenerated with correct width');
}
public function testGeneratedImageDeletion() {
$image = $this->objFromFixture('Image', 'imageWithMetacharacters');
$image_generated = $image->SetWidth(200);
$p = $image_generated->getFullPath();
$this->assertTrue(file_exists($p), 'Resized image exists after creation call');
$numDeleted = $image->deleteFormattedImages();
$this->assertEquals(1, $numDeleted, 'Expected one image to be deleted, but deleted ' . $numDeleted . ' images');
$this->assertFalse(file_exists($p), 'Resized image not existing after deletion call');
}
/**
* Tests that generated images with multiple image manipulations are all deleted
*/
public function testMultipleGenerateManipulationCallsImageDeletion() {
$image = $this->objFromFixture('Image', 'imageWithMetacharacters');
$firstImage = $image->SetWidth(200);
$firstImagePath = $firstImage->getFullPath();
$this->assertTrue(file_exists($firstImagePath));
$secondImage = $firstImage->SetHeight(100);
$secondImagePath = $secondImage->getFullPath();
$this->assertTrue(file_exists($secondImagePath));
$image->deleteFormattedImages();
$this->assertFalse(file_exists($firstImagePath));
$this->assertFalse(file_exists($secondImagePath));
}
/**
* Tests path properties of cached images with multiple image manipulations
*/
public function testPathPropertiesCachedImage() {
$image = $this->objFromFixture('Image', 'imageWithMetacharacters');
$firstImage = $image->SetWidth(200);
$firstImagePath = $firstImage->getRelativePath();
$this->assertEquals($firstImagePath, $firstImage->Filename);
$secondImage = $firstImage->SetHeight(100);
$secondImagePath = $secondImage->getRelativePath();
$this->assertEquals($secondImagePath, $secondImage->Filename);
}
}