public function testProcessValidData()
{
$appendedCustomer = new Customer();
$removedCustomer = new Customer();
$removedCustomer->setGroup($this->entity);
$this->form->expects($this->once())->method('setData')->with($this->entity);
$this->form->expects($this->once())->method('submit')->with($this->request);
$this->request->setMethod('POST');
$this->form->expects($this->once())->method('isValid')->will($this->returnValue(true));
$appendForm = $this->getMockBuilder('Symfony\\Component\\Form\\Form')->disableOriginalConstructor()->getMock();
$appendForm->expects($this->once())->method('getData')->will($this->returnValue([$appendedCustomer]));
$this->form->expects($this->at(3))->method('get')->with('appendCustomers')->will($this->returnValue($appendForm));
$removeForm = $this->getMockBuilder('Symfony\\Component\\Form\\Form')->disableOriginalConstructor()->getMock();
$removeForm->expects($this->once())->method('getData')->will($this->returnValue([$removedCustomer]));
$this->form->expects($this->at(4))->method('get')->with('removeCustomers')->will($this->returnValue($removeForm));
$this->manager->expects($this->at(0))->method('persist')->with($appendedCustomer);
$this->manager->expects($this->at(1))->method('persist')->with($removedCustomer);
$this->manager->expects($this->at(2))->method('persist')->with($this->entity);
$this->manager->expects($this->once())->method('flush');
$this->assertTrue($this->handler->process($this->entity));
$this->assertEquals($this->entity, $appendedCustomer->getGroup());
$this->assertNull($removedCustomer->getGroup());
}
