private function doTestRestore()
{
$filePath = self::TEST_VERSIONS_USER . '/files/sub/test.txt';
$this->rootView->file_put_contents($filePath, 'test file');
$t0 = $this->rootView->filemtime($filePath);
// not exactly the same timestamp as the file
$t1 = time() - 60;
// second version is two weeks older
$t2 = $t1 - 60 * 60 * 24 * 14;
// create some versions
$v1 = self::USERS_VERSIONS_ROOT . '/sub/test.txt.v' . $t1;
$v2 = self::USERS_VERSIONS_ROOT . '/sub/test.txt.v' . $t2;
$this->rootView->mkdir(self::USERS_VERSIONS_ROOT . '/sub');
$this->rootView->file_put_contents($v1, 'version1');
$this->rootView->file_put_contents($v2, 'version2');
$oldVersions = \OCA\Files_Versions\Storage::getVersions(self::TEST_VERSIONS_USER, '/sub/test.txt');
$this->assertCount(2, $oldVersions);
$this->assertEquals('test file', $this->rootView->file_get_contents($filePath));
$info1 = $this->rootView->getFileInfo($filePath);
$params = array();
$this->connectMockHooks('rollback', $params);
\OCA\Files_Versions\Storage::rollback('sub/test.txt', $t2);
$expectedParams = array('path' => '/sub/test.txt');
$this->assertEquals($expectedParams, $params);
$this->assertEquals('version2', $this->rootView->file_get_contents($filePath));
$info2 = $this->rootView->getFileInfo($filePath);
$this->assertNotEquals($info2['etag'], $info1['etag'], 'Etag must change after rolling back version');
$this->assertEquals($info2['fileid'], $info1['fileid'], 'File id must not change after rolling back version');
$this->assertEquals($info2['mtime'], $t2, 'Restored file has mtime from version');
$newVersions = \OCA\Files_Versions\Storage::getVersions(self::TEST_VERSIONS_USER, '/sub/test.txt');
$this->assertTrue($this->rootView->file_exists(self::USERS_VERSIONS_ROOT . '/sub/test.txt.v' . $t0), 'A version file was created for the file before restoration');
$this->assertTrue($this->rootView->file_exists($v1), 'Untouched version file is still there');
$this->assertFalse($this->rootView->file_exists($v2), 'Restored version file gone from files_version folder');
$this->assertCount(2, $newVersions, 'Additional version created');
$this->assertTrue(isset($newVersions[$t0 . '#' . 'test.txt']), 'A version was created for the file before restoration');
$this->assertTrue(isset($newVersions[$t1 . '#' . 'test.txt']), 'Untouched version is still there');
$this->assertFalse(isset($newVersions[$t2 . '#' . 'test.txt']), 'Restored version is not in the list any more');
}
