public function testIsMaxSizeWorking()
{
// Max size from config
$maxX = 1024;
$maxY = 1024;
\OC::$server->getConfig()->setSystemValue('preview_max_x', $maxX);
\OC::$server->getConfig()->setSystemValue('preview_max_y', $maxY);
// Sample is 1680x1050 JPEG
$sampleFile = '/' . self::TEST_PREVIEW_USER1 . '/files/testimage.jpg';
$this->rootView->file_put_contents($sampleFile, file_get_contents(\OC::$SERVERROOT . '/tests/data/testimage.jpg'));
$fileInfo = $this->rootView->getFileInfo($sampleFile);
$fileId = $fileInfo['fileid'];
$largeX = 1920;
$largeY = 1080;
$preview = new \OC\Preview(self::TEST_PREVIEW_USER1, 'files/', 'testimage.jpg', $largeX, $largeY);
$this->assertEquals($preview->isFileValid(), true);
// There should be no cached copy
$isCached = $preview->isCached($fileId);
$this->assertNotEquals(\OC\Preview::THUMBNAILS_FOLDER . '/' . $fileId . '/' . $maxX . '-' . $maxY . '-max.png', $isCached);
$this->assertNotEquals(\OC\Preview::THUMBNAILS_FOLDER . '/' . $fileId . '/' . $maxX . '-' . $maxY . '.png', $isCached);
$this->assertNotEquals(\OC\Preview::THUMBNAILS_FOLDER . '/' . $fileId . '/' . $largeX . '-' . $largeY . '.png', $isCached);
// The returned preview should be of max size
$image = $preview->getPreview();
$this->assertEquals($image->width(), $maxX);
$this->assertEquals($image->height(), $maxY);
// The max thumbnail should be created
$maxThumbCacheFile = '/' . self::TEST_PREVIEW_USER1 . '/' . \OC\Preview::THUMBNAILS_FOLDER . '/' . $fileId . '/' . $maxX . '-' . $maxY . '-max.png';
$this->assertEquals($this->rootView->file_exists($maxThumbCacheFile), true);
// A preview of the asked size should not have been created
$thumbCacheFile = \OC\Preview::THUMBNAILS_FOLDER . '/' . $fileId . '/' . $largeX . '-' . $largeY . '.png';
$this->assertEquals($this->rootView->file_exists($thumbCacheFile), false);
// 2nd request should indicate that we have a cached copy of max dimension
$isCached = $preview->isCached($fileId);
$this->assertEquals(\OC\Preview::THUMBNAILS_FOLDER . '/' . $fileId . '/' . $maxX . '-' . $maxY . '.png', $isCached);
// Smaller previews should be based on the cached max preview
$smallX = 50;
$smallY = 50;
$preview = new \OC\Preview(self::TEST_PREVIEW_USER1, 'files/', 'testimage.jpg', $smallX, $smallY);
$isCached = $preview->isCached($fileId);
$this->assertEquals(\OC\Preview::THUMBNAILS_FOLDER . '/' . $fileId . '/' . $maxX . '-' . $maxY . '.png', $isCached);
// A small preview should be created
$image = $preview->getPreview();
$this->assertEquals($image->width(), $smallX);
$this->assertEquals($image->height(), $smallY);
// The cache should contain the small preview
$thumbCacheFile = '/' . self::TEST_PREVIEW_USER1 . '/' . \OC\Preview::THUMBNAILS_FOLDER . '/' . $fileId . '/' . $smallX . '-' . $smallY . '.png';
$this->assertEquals($this->rootView->file_exists($thumbCacheFile), true);
// 2nd request should indicate that we have a cached copy of the exact dimension
$isCached = $preview->isCached($fileId);
$this->assertEquals(\OC\Preview::THUMBNAILS_FOLDER . '/' . $fileId . '/' . $smallX . '-' . $smallY . '.png', $isCached);
}
/**
* Initialises the preview
*
* @param int $width
* @param int $height
*
* @return \OC\Preview
*/
private function createPreview($width, $height)
{
$preview = new \OC\Preview(self::TEST_PREVIEW_USER1, 'files/', $this->sampleFilename, $width, $height);
$this->assertSame(true, $preview->isFileValid());
$preview->setKeepAspect($this->keepAspect);
$preview->setScalingup($this->scalingUp);
return $preview;
}