public function testGetStateKey() { $stateKey = 'sk'; $this->registry->expects($this->once())->method('registry')->with($this->equalTo('current_category'))->will($this->returnValue($this->category)); $this->stateKeyGenerator->expects($this->once())->method('toString')->with($this->equalTo($this->category))->will($this->returnValue($stateKey)); $this->assertEquals($stateKey, $this->model->getStateKey()); }