/**
* @test
*/
public function mergeCommand()
{
$mergeCmd = Factory::createMerge();
$mergeCmd->setRev('revision');
$mergeCmd->setTool('testtool');
$mergeCmd->setPreview(true);
$expected = 'hg merge --rev ' . escapeshellarg('revision') . ' --preview --tool ' . escapeshellarg('testtool');
$this->assertSame($expected, $mergeCmd->asString());
}