add test for txt blacklist

diff --git a/tests/lib/preview.php b/tests/lib/preview.php
index bebdc12b5004baf61bcb644f6a1936ebe621e226..c40b2d03ef9c0c1e7bc3a021db5f6ae2352e7ce8 100644 (file)
--- a/tests/lib/preview.php
+++ b/tests/lib/preview.php
@@ -92,6 +92,44 @@ class Preview extends \PHPUnit_Framework_TestCase {
                $this->assertEquals($image->height(), $maxY);
        }
 
+       public function testTxtBlacklist() {
+               $user = $this->initFS();
+
+               $x = 32;
+               $y = 32;
+
+               $txt = 'random text file';
+               $ics = file_get_contents(__DIR__ . '/../data/testcal.ics');
+               $vcf = file_get_contents(__DIR__ . '/../data/testcontact.vcf');
+
+               $rootView = new \OC\Files\View('');
+               $rootView->mkdir('/'.$user);
+               $rootView->mkdir('/'.$user.'/files');
+
+               $toTest = array('txt',
+                                               'ics',
+                                               'vcf');
+
+               foreach($toTest as $test) {
+                       $sample = '/'.$user.'/files/test.'.$test;
+                       $rootView->file_put_contents($sample, ${$test});
+                       $preview = new \OC\Preview($user, 'files/', 'test.'.$test, $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);
+                       $isTransparent = ($colorInfo['alpha'] === 127);
+
+                       if($test === 'txt') {
+                               $this->assertEquals($isTransparent, false);
+                       } else {
+                               $this->assertEquals($isTransparent, true);
+                       }
+               }
+       }
+
        private function initFS() {
                if(\OC\Files\Filesystem::getView()){
                        $user = \OC_User::getUser();