Fix unit tests

tests/lib/files/utils/scanner.php

@@ -42,6 +42,7 @@ class Scanner extends \PHPUnit_Framework_TestCase {
 	public function testReuseExistingRoot() {
 		$storage = new Temporary(array());
 		$mount = new Mount($storage, '');
+		Filesystem::getMountManager()->addMount($mount);
 		$cache = $storage->getCache();
 
 		$storage->mkdir('folder');
@@ -63,6 +64,7 @@ class Scanner extends \PHPUnit_Framework_TestCase {
 	public function testReuseExistingFile() {
 		$storage = new Temporary(array());
 		$mount = new Mount($storage, '');
+		Filesystem::getMountManager()->addMount($mount);
 		$cache = $storage->getCache();
 
 		$storage->mkdir('folder');

tests/lib/files/view.php

@@ -52,14 +52,18 @@ class View extends \PHPUnit_Framework_TestCase {
 		$storage1 = $this->getTestStorage();
 		$storage2 = $this->getTestStorage();
 		$storage3 = $this->getTestStorage();
-		\OC\Files\Filesystem::mount($storage1, array(), '/');
-		\OC\Files\Filesystem::mount($storage2, array(), '/substorage');
-		\OC\Files\Filesystem::mount($storage3, array(), '/folder/anotherstorage');
+		$root = '/' . uniqid();
+		\OC\Files\Filesystem::mount($storage1, array(), $root . '/');
+		\OC\Files\Filesystem::mount($storage2, array(), $root . '/substorage');
+		\OC\Files\Filesystem::mount($storage3, array(), $root . '/folder/anotherstorage');
 		$textSize = strlen("dummy file data\n");
 		$imageSize = filesize(\OC::$SERVERROOT . '/core/img/logo.png');
 		$storageSize = $textSize * 2 + $imageSize;
 
-		$rootView = new \OC\Files\View('');
+		$storageInfo = $storage3->getCache()->get('');
+		$this->assertEquals($storageSize, $storageInfo['size']);
+
+		$rootView = new \OC\Files\View($root);
 
 		$cachedData = $rootView->getFileInfo('/foo.txt');
 		$this->assertEquals($textSize, $cachedData['size']);
@@ -110,7 +114,7 @@ class View extends \PHPUnit_Framework_TestCase {
 		$this->assertEquals('foo.png', $folderData[1]['name']);
 		$this->assertEquals('foo.txt', $folderData[2]['name']);
 
-		$folderView = new \OC\Files\View('/folder');
+		$folderView = new \OC\Files\View($root . '/folder');
 		$this->assertEquals($rootView->getFileInfo('/folder'), $folderView->getFileInfo('/'));
 
 		$cachedData = $rootView->getFileInfo('/foo.txt');
@@ -652,7 +656,7 @@ class View extends \PHPUnit_Framework_TestCase {
 	 * @dataProvider tooLongPathDataProvider
 	 * @expectedException \OCP\Files\InvalidPathException
 	 */
-	public function testTooLongPath($operation, $param0 = NULL) {
+	public function testTooLongPath($operation, $param0 = null) {
 
 		$longPath = '';
 		// 4000 is the maximum path length in file_cache.path