public function testPush()
{
$filesystem = new Filesystem();
$git = new Git();
$git->init($this->directory, array('shared' => true, 'bare' => true));
$git->clone('file://' . realpath($this->directory), $this->directory . '2');
$git->setRepository($this->directory . '2');
$filesystem->dumpFile($this->directory . '2/test.txt', 'foobar');
$git->add('test.txt');
$git->commit('test');
$git->push('origin', 'master');
$git->clone('file://' . realpath($this->directory), $this->directory . '3');
$this->assertFileExists($this->directory . '3/test.txt');
$filesystem->remove($this->directory . '2');
$filesystem->remove($this->directory . '3');
}