nextcloud/tests/lib/Preview/GeneratorTest.php

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<?php
/**
* @copyright Copyright (c) 2016, Roeland Jago Douma <roeland@famdouma.nl>
*
* @author Roeland Jago Douma <roeland@famdouma.nl>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace Test\Preview;
use OC\Preview\Generator;
use OC\Preview\GeneratorHelper;
use OCP\Files\File;
use OCP\Files\IAppData;
use OCP\Files\NotFoundException;
use OCP\Files\SimpleFS\ISimpleFile;
use OCP\Files\SimpleFS\ISimpleFolder;
use OCP\IConfig;
use OCP\IImage;
use OCP\IPreview;
use OCP\Preview\IProvider;
use Symfony\Component\EventDispatcher\EventDispatcherInterface;
use Symfony\Component\EventDispatcher\GenericEvent;
class GeneratorTest extends \Test\TestCase {
/** @var IConfig|\PHPUnit_Framework_MockObject_MockObject */
private $config;
/** @var IPreview|\PHPUnit_Framework_MockObject_MockObject */
private $previewManager;
/** @var IAppData|\PHPUnit_Framework_MockObject_MockObject */
private $appData;
/** @var GeneratorHelper|\PHPUnit_Framework_MockObject_MockObject */
private $helper;
/** @var EventDispatcherInterface|\PHPUnit_Framework_MockObject_MockObject */
private $eventDispatcher;
/** @var Generator */
private $generator;
public function setUp() {
parent::setUp();
$this->config = $this->createMock(IConfig::class);
$this->previewManager = $this->createMock(IPreview::class);
$this->appData = $this->createMock(IAppData::class);
$this->helper = $this->createMock(GeneratorHelper::class);
$this->eventDispatcher = $this->createMock(EventDispatcherInterface::class);
$this->generator = new Generator(
$this->config,
$this->previewManager,
$this->appData,
$this->helper,
$this->eventDispatcher
);
}
public function testGetCachedPreview() {
$file = $this->createMock(File::class);
$file->method('getMimeType')
->willReturn('myMimeType');
$file->method('getId')
->willReturn(42);
$this->previewManager->method('isMimeSupported')
->with($this->equalTo('myMimeType'))
->willReturn(true);
$previewFolder = $this->createMock(ISimpleFolder::class);
$this->appData->method('getFolder')
->with($this->equalTo(42))
->willReturn($previewFolder);
$maxPreview = $this->createMock(ISimpleFile::class);
$maxPreview->method('getName')
->willReturn('1000-1000-max.png');
$maxPreview->method('getMimeType')
->willReturn('image/png');
$previewFolder->method('getDirectoryListing')
->willReturn([$maxPreview]);
$previewFile = $this->createMock(ISimpleFile::class);
$previewFolder->method('getFile')
->with($this->equalTo('128-128.png'))
->willReturn($previewFile);
$this->eventDispatcher->expects($this->once())
->method('dispatch')
->with(
$this->equalTo(IPreview::EVENT),
$this->callback(function(GenericEvent $event) use ($file) {
return $event->getSubject() === $file &&
$event->getArgument('width') === 100 &&
$event->getArgument('height') === 100;
})
);
$result = $this->generator->getPreview($file, 100, 100);
$this->assertSame($previewFile, $result);
}
public function testGetNewPreview() {
$file = $this->createMock(File::class);
$file->method('getMimeType')
->willReturn('myMimeType');
$file->method('getId')
->willReturn(42);
$this->previewManager->method('isMimeSupported')
->with($this->equalTo('myMimeType'))
->willReturn(true);
$previewFolder = $this->createMock(ISimpleFolder::class);
$this->appData->method('getFolder')
->with($this->equalTo(42))
->willThrowException(new NotFoundException());
$this->appData->method('newFolder')
->with($this->equalTo(42))
->willReturn($previewFolder);
$this->config->method('getSystemValue')
->will($this->returnCallback(function($key, $defult) {
return $defult;
}));
$invalidProvider = $this->createMock(IProvider::class);
$validProvider = $this->createMock(IProvider::class);
$this->previewManager->method('getProviders')
->willReturn([
'/image\/png/' => ['wrongProvider'],
'/myMimeType/' => ['brokenProvider', 'invalidProvider', 'validProvider'],
]);
$this->helper->method('getProvider')
->will($this->returnCallback(function($provider) use ($invalidProvider, $validProvider) {
if ($provider === 'wrongProvider') {
$this->fail('Wrongprovider should not be constructed!');
} else if ($provider === 'brokenProvider') {
return false;
} else if ($provider === 'invalidProvider') {
return $invalidProvider;
} else if ($provider === 'validProvider') {
return $validProvider;
}
$this->fail('Unexpected provider requested');
}));
$image = $this->createMock(IImage::class);
$image->method('width')->willReturn(2048);
$image->method('height')->willReturn(2048);
$image->method('valid')->willReturn(true);
$image->method('dataMimeType')->willReturn('image/png');
$this->helper->method('getThumbnail')
->will($this->returnCallback(function ($provider, $file, $x, $y) use ($invalidProvider, $validProvider, $image) {
if ($provider === $validProvider) {
return $image;
} else {
return false;
}
}));
$image->method('data')
->willReturn('my data');
$maxPreview = $this->createMock(ISimpleFile::class);
$maxPreview->method('getName')->willReturn('2048-2048-max.png');
$maxPreview->method('getMimeType')->willReturn('image/png');
$previewFile = $this->createMock(ISimpleFile::class);
$previewFolder->method('getDirectoryListing')
->willReturn([]);
$previewFolder->method('newFile')
->will($this->returnCallback(function($filename) use ($maxPreview, $previewFile) {
if ($filename === '2048-2048-max.png') {
return $maxPreview;
} else if ($filename === '128-128.png') {
return $previewFile;
}
$this->fail('Unexpected file');
}));
$maxPreview->expects($this->once())
->method('putContent')
->with($this->equalTo('my data'));
$previewFolder->method('getFile')
->with($this->equalTo('128-128.png'))
->willThrowException(new NotFoundException());
$image = $this->createMock(IImage::class);
$this->helper->method('getImage')
->with($this->equalTo($maxPreview))
->willReturn($image);
$image->expects($this->once())
->method('resize')
->with(128);
$image->method('data')
->willReturn('my resized data');
$image->method('valid')->willReturn(true);
$image->method('dataMimeType')->willReturn('image/png');
$previewFile->expects($this->once())
->method('putContent')
->with('my resized data');
$this->eventDispatcher->expects($this->once())
->method('dispatch')
->with(
$this->equalTo(IPreview::EVENT),
$this->callback(function(GenericEvent $event) use ($file) {
return $event->getSubject() === $file &&
$event->getArgument('width') === 100 &&
$event->getArgument('height') === 100;
})
);
$result = $this->generator->getPreview($file, 100, 100);
$this->assertSame($previewFile, $result);
}
public function testInvalidMimeType() {
$this->expectException(NotFoundException::class);
$file = $this->createMock(File::class);
$this->previewManager->method('isMimeSupported')
->with('invalidType')
->willReturn(false);
$this->eventDispatcher->expects($this->once())
->method('dispatch')
->with(
$this->equalTo(IPreview::EVENT),
$this->callback(function(GenericEvent $event) use ($file) {
return $event->getSubject() === $file &&
$event->getArgument('width') === 0 &&
$event->getArgument('height') === 0 &&
$event->getArgument('crop') === true &&
$event->getArgument('mode') === IPreview::MODE_COVER;
})
);
$this->generator->getPreview($file, 0, 0, true, IPreview::MODE_COVER, 'invalidType');
}
public function testNoProvider() {
$file = $this->createMock(File::class);
$file->method('getMimeType')
->willReturn('myMimeType');
$file->method('getId')
->willReturn(42);
$this->previewManager->method('isMimeSupported')
->with($this->equalTo('myMimeType'))
->willReturn(true);
$previewFolder = $this->createMock(ISimpleFolder::class);
$this->appData->method('getFolder')
->with($this->equalTo(42))
->willReturn($previewFolder);
$previewFolder->method('getDirectoryListing')
->willReturn([]);
$this->previewManager->method('getProviders')
->willReturn([]);
$this->eventDispatcher->expects($this->once())
->method('dispatch')
->with(
$this->equalTo(IPreview::EVENT),
$this->callback(function(GenericEvent $event) use ($file) {
return $event->getSubject() === $file &&
$event->getArgument('width') === 100 &&
$event->getArgument('height') === 100;
})
);
$this->expectException(NotFoundException::class);
$this->generator->getPreview($file, 100, 100);
}
public function dataSize() {
return [
[1024, 2048, 512, 512, false, IPreview::MODE_FILL, 256, 512],
[1024, 2048, 512, 512, false, IPreview::MODE_COVER, 512, 1024],
[1024, 2048, 512, 512, true, IPreview::MODE_FILL, 512, 512],
[1024, 2048, 512, 512, true, IPreview::MODE_COVER, 512, 512],
[1024, 2048, -1, 512, false, IPreview::MODE_COVER, 256, 512],
[1024, 2048, 512, -1, false, IPreview::MODE_FILL, 512, 1024],
[1024, 2048, 250, 1100, true, IPreview::MODE_COVER, 256, 1126],
[1024, 1100, 250, 1100, true, IPreview::MODE_COVER, 250, 1100],
[1024, 2048, 4096, 2048, false, IPreview::MODE_FILL, 1024, 2048],
[1024, 2048, 4096, 2048, false, IPreview::MODE_COVER, 1024, 2048],
[2048, 1024, 512, 512, false, IPreview::MODE_FILL, 512, 256],
[2048, 1024, 512, 512, false, IPreview::MODE_COVER, 1024, 512],
[2048, 1024, 512, 512, true, IPreview::MODE_FILL, 512, 512],
[2048, 1024, 512, 512, true, IPreview::MODE_COVER, 512, 512],
[2048, 1024, -1, 512, false, IPreview::MODE_FILL, 1024, 512],
[2048, 1024, 512, -1, false, IPreview::MODE_COVER, 512, 256],
[2048, 1024, 4096, 1024, true, IPreview::MODE_FILL, 2048, 512],
[2048, 1024, 4096, 1024, true, IPreview::MODE_COVER, 2048, 512],
];
}
/**
* @dataProvider dataSize
*
* @param int $maxX
* @param int $maxY
* @param int $reqX
* @param int $reqY
* @param bool $crop
* @param string $mode
* @param int $expectedX
* @param int $expectedY
*/
public function testCorrectSize($maxX, $maxY, $reqX, $reqY, $crop, $mode, $expectedX, $expectedY) {
$file = $this->createMock(File::class);
$file->method('getMimeType')
->willReturn('myMimeType');
$file->method('getId')
->willReturn(42);
$this->previewManager->method('isMimeSupported')
->with($this->equalTo('myMimeType'))
->willReturn(true);
$previewFolder = $this->createMock(ISimpleFolder::class);
$this->appData->method('getFolder')
->with($this->equalTo(42))
->willReturn($previewFolder);
$maxPreview = $this->createMock(ISimpleFile::class);
$maxPreview->method('getName')
->willReturn($maxX . '-' . $maxY . '-max.png');
$maxPreview->method('getMimeType')
->willReturn('image/png');
$previewFolder->method('getDirectoryListing')
->willReturn([$maxPreview]);
$filename = $expectedX . '-' . $expectedY;
if ($crop) {
$filename .= '-crop';
}
$filename .= '.png';
$previewFolder->method('getFile')
->with($this->equalTo($filename))
->willThrowException(new NotFoundException());
$image = $this->createMock(IImage::class);
$this->helper->method('getImage')
->with($this->equalTo($maxPreview))
->willReturn($image);
$image->method('height')->willReturn($maxY);
$image->method('width')->willReturn($maxX);
$image->method('valid')->willReturn(true);
$image->method('dataMimeType')->willReturn('image/png');
$preview = $this->createMock(ISimpleFile::class);
$previewFolder->method('newFile')
->with($this->equalTo($filename))
->willReturn($preview);
$this->eventDispatcher->expects($this->once())
->method('dispatch')
->with(
$this->equalTo(IPreview::EVENT),
$this->callback(function(GenericEvent $event) use ($file, $reqX, $reqY, $crop, $mode) {
return $event->getSubject() === $file &&
$event->getArgument('width') === $reqX &&
$event->getArgument('height') === $reqY &&
$event->getArgument('crop') === $crop &&
$event->getArgument('mode') === $mode;
})
);
$result = $this->generator->getPreview($file, $reqX, $reqY, $crop, $mode);
if ($expectedX === $maxX && $expectedY === $maxY) {
$this->assertSame($maxPreview, $result);
} else {
$this->assertSame($preview, $result);
}
}
}