public function testLoadUserByUsernameWithExistingUser()
{
$userMock = $this->getMock('FOS\\UserBundle\\Document\\User', array(), array('sha1'));
$this->userManager->expects($this->once())->method('findUserBy')->with($this->equalTo(array('usernameCanonical' => 'jack')))->will($this->returnValue($userMock));
$this->userManager->loadUserByUsername('jack');
}