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sources/tests/lib/preview.php
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<?php
/**
* Copyright (c) 2013 Georg Ehrke <georg@ownCloud.com>
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
namespace Test;
class Preview extends \PHPUnit_Framework_TestCase {
/**
* @var string
*/
private $user;
/**
* @var \OC\Files\View
*/
private $rootView;
public function setUp() {
$this->user = $this->initFS();
$this->rootView = new \OC\Files\View('');
$this->rootView->mkdir('/'.$this->user);
$this->rootView->mkdir('/'.$this->user.'/files');
}
public function testIsPreviewDeleted() {
$sampleFile = '/'.$this->user.'/files/test.txt';
$this->rootView->file_put_contents($sampleFile, 'dummy file data');
$x = 50;
$y = 50;
$preview = new \OC\Preview($this->user, 'files/', 'test.txt', $x, $y);
$preview->getPreview();
$fileInfo = $this->rootView->getFileInfo($sampleFile);
$fileId = $fileInfo['fileid'];
$thumbCacheFile = '/' . $this->user . '/' . \OC\Preview::THUMBNAILS_FOLDER . '/' . $fileId . '/' . $x . '-' . $y . '.png';
$this->assertEquals($this->rootView->file_exists($thumbCacheFile), true);
$preview->deletePreview();
$this->assertEquals($this->rootView->file_exists($thumbCacheFile), false);
}
public function testAreAllPreviewsDeleted() {
$sampleFile = '/'.$this->user.'/files/test.txt';
$this->rootView->file_put_contents($sampleFile, 'dummy file data');
$x = 50;
$y = 50;
$preview = new \OC\Preview($this->user, 'files/', 'test.txt', $x, $y);
$preview->getPreview();
$fileInfo = $this->rootView->getFileInfo($sampleFile);
$fileId = $fileInfo['fileid'];
$thumbCacheFolder = '/' . $this->user . '/' . \OC\Preview::THUMBNAILS_FOLDER . '/' . $fileId . '/';
$this->assertEquals($this->rootView->is_dir($thumbCacheFolder), true);
$preview->deleteAllPreviews();
$this->assertEquals($this->rootView->is_dir($thumbCacheFolder), false);
}
public function testIsMaxSizeWorking() {
$maxX = 250;
$maxY = 250;
\OC_Config::setValue('preview_max_x', $maxX);
\OC_Config::setValue('preview_max_y', $maxY);
$sampleFile = '/'.$this->user.'/files/test.txt';
$this->rootView->file_put_contents($sampleFile, 'dummy file data');
$preview = new \OC\Preview($this->user, 'files/', 'test.txt', 1000, 1000);
$image = $preview->getPreview();
$this->assertEquals($image->width(), $maxX);
$this->assertEquals($image->height(), $maxY);
}
public function txtBlacklist() {
$txt = 'random text file';
$ics = file_get_contents(__DIR__ . '/../data/testcal.ics');
$vcf = file_get_contents(__DIR__ . '/../data/testcontact.vcf');
return array(
array('txt', $txt, false),
array('ics', $ics, true),
array('vcf', $vcf, true),
);
}
/**
* @dataProvider txtBlacklist
*/
public function testIsTransparent($extension, $data, $expectedResult) {
$x = 32;
$y = 32;
$sample = '/'.$this->user.'/files/test.'.$extension;
$this->rootView->file_put_contents($sample, $data);
$preview = new \OC\Preview($this->user, 'files/', 'test.'.$extension, $x, $y);
$image = $preview->getPreview();
$resource = $image->resource();
//http://stackoverflow.com/questions/5702953/imagecolorat-and-transparency
$colorIndex = imagecolorat($resource, 1, 1);
$colorInfo = imagecolorsforindex($resource, $colorIndex);
$this->assertEquals(
$expectedResult,
$colorInfo['alpha'] === 127,
'Failed asserting that only previews for text files are transparent.'
);
}
public function testCreationFromCached() {
$sampleFile = '/'.$this->user.'/files/test.txt';
$this->rootView->file_put_contents($sampleFile, 'dummy file data');
// create base preview
$x = 150;
$y = 150;
$preview = new \OC\Preview($this->user, 'files/', 'test.txt', $x, $y);
$preview->getPreview();
$fileInfo = $this->rootView->getFileInfo($sampleFile);
$fileId = $fileInfo['fileid'];
$thumbCacheFile = '/' . $this->user . '/' . \OC\Preview::THUMBNAILS_FOLDER . '/' . $fileId . '/' . $x . '-' . $y . '.png';
$this->assertEquals($this->rootView->file_exists($thumbCacheFile), true);
// create smaller previews
$preview = new \OC\Preview($this->user, 'files/', 'test.txt', 50, 50);
$isCached = $preview->isCached($fileId);
$this->assertEquals($this->user . '/' . \OC\Preview::THUMBNAILS_FOLDER . '/' . $fileId . '/150-150.png', $isCached);
}
/*
public function testScalingUp() {
$sampleFile = '/'.$this->user.'/files/test.txt';
$this->rootView->file_put_contents($sampleFile, 'dummy file data');
// create base preview
$x = 150;
$y = 150;
$preview = new \OC\Preview($this->user, 'files/', 'test.txt', $x, $y);
$preview->getPreview();
$fileInfo = $this->rootView->getFileInfo($sampleFile);
$fileId = $fileInfo['fileid'];
$thumbCacheFile = '/' . $this->user . '/' . \OC\Preview::THUMBNAILS_FOLDER . '/' . $fileId . '/' . $x . '-' . $y . '.png';
$this->assertEquals($this->rootView->file_exists($thumbCacheFile), true);
// create bigger previews - with scale up
$preview = new \OC\Preview($this->user, 'files/', 'test.txt', 250, 250);
$isCached = $preview->isCached($fileId);
$this->assertEquals($this->user . '/' . \OC\Preview::THUMBNAILS_FOLDER . '/' . $fileId . '/150-150.png', $isCached);
}
*/
private function initFS() {
// create a new user with his own filesystem view
// this gets called by each test in this test class
$user=uniqid();
\OC_User::setUserId($user);
\OC\Files\Filesystem::init($user, '/'.$user.'/files');
\OC\Files\Filesystem::mount('OC\Files\Storage\Temporary', array(), '/');
return $user;
}
}
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