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");
}
}
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() {
$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));
}
public function testGeneratedImageDeletion() {
$image = $this->objFromFixture('Image', 'imageWithMetacharacters');
$image_generated = $image->SetWidth(200);
$p = $image_generated->getFullPath();
$this->assertTrue(file_exists($p));
$image->deleteFormattedImages();
$this->assertFalse(file_exists($p));
}
}