1 files changed, 74 insertions, 0 deletions
diff --git a/tests/lib/files/utils/scanner.php b/tests/lib/files/utils/scanner.php
new file mode 100644
index 00000000000..a021d215ae5
--- /dev/null
+++ b/tests/lib/files/utils/scanner.php
@@ -0,0 +1,74 @@
+<?php
+/**
+ * Copyright (c) 2012 Robin Appelman <icewind@owncloud.com>
+ * This file is licensed under the Affero General Public License version 3 or
+ * later.
+ * See the COPYING-README file.
+ */
+
+namespace Test\Files\Utils;
+
+use OC\Files\Mount\Mount;
+use OC\Files\Storage\Temporary;
+
+class TestScanner extends \OC\Files\Utils\Scanner {
+	/**
+	 * @var \OC\Files\Mount\Mount[] $mounts
+	 */
+	private $mounts = array();
+
+	/**
+	 * @param \OC\Files\Mount\Mount $mount
+	 */
+	public function addMount($mount) {
+		$this->mounts[] = $mount;
+	}
+
+	protected function getMounts($dir) {
+		return $this->mounts;
+	}
+}
+
+class Scanner extends \PHPUnit_Framework_TestCase {
+	public function testReuseExistingRoot() {
+		$storage = new Temporary(array());
+		$mount = new Mount($storage, '');
+		$cache = $storage->getCache();
+
+		$storage->mkdir('folder');
+		$storage->file_put_contents('foo.txt', 'qwerty');
+		$storage->file_put_contents('folder/bar.txt', 'qwerty');
+
+		$scanner = new TestScanner('');
+		$scanner->addMount($mount);
+
+		$scanner->scan('');
+		$this->assertTrue($cache->inCache('folder/bar.txt'));
+		$oldRoot = $cache->get('');
+
+		$scanner->scan('');
+		$newRoot = $cache->get('');
+		$this->assertEquals($oldRoot, $newRoot);
+	}
+
+	public function testReuseExistingFile() {
+		$storage = new Temporary(array());
+		$mount = new Mount($storage, '');
+		$cache = $storage->getCache();
+
+		$storage->mkdir('folder');
+		$storage->file_put_contents('foo.txt', 'qwerty');
+		$storage->file_put_contents('folder/bar.txt', 'qwerty');
+
+		$scanner = new TestScanner('');
+		$scanner->addMount($mount);
+
+		$scanner->scan('');
+		$this->assertTrue($cache->inCache('folder/bar.txt'));
+		$old = $cache->get('folder/bar.txt');
+
+		$scanner->scan('');
+		$new = $cache->get('folder/bar.txt');
+		$this->assertEquals($old, $new);
+	}
+}