public function testMongoAdapterGet() { $this->assertInstanceOf('ImgMan\\Image\\Image', $this->adapter->getImage('id')); $mongoCollection = $this->getMockBuilder('MongoCollection')->disableOriginalConstructor()->getMock(); $mongoCollection->expects($this->any())->method('findOne')->will($this->returnValue(false)); /** @var $mongoCollection \MongoCollection */ $this->adapter->setMongoCollection($mongoCollection); $this->assertNull($this->adapter->getImage('id')); }