| 
                    1
                 | 
                                    
                                                     | 
                
                 | 
                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    2
                 | 
                                    
                                                     | 
                
                 | 
                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    3
                 | 
                                    
                                                     | 
                
                 | 
                 * (c) 2018 Douglas Reith.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    4
                 | 
                                    
                                                     | 
                
                 | 
                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    5
                 | 
                                    
                                                     | 
                
                 | 
                 * For the full copyright and license information, please view the LICENSE  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    6
                 | 
                                    
                                                     | 
                
                 | 
                 * file that was distributed with this source code.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    7
                 | 
                                    
                                                     | 
                
                 | 
                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    8
                 | 
                                    
                                                     | 
                
                 | 
                declare(strict_types=1);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    9
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    10
                 | 
                                    
                                                     | 
                
                 | 
                namespace Reith\ToyRobot\CommandHandler;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    11
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    12
                 | 
                                    
                                                     | 
                
                 | 
                use PHPUnit\Framework\TestCase;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    13
                 | 
                                    
                                                     | 
                
                 | 
                use Psr\Log\LoggerInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    14
                 | 
                                    
                                                     | 
                
                 | 
                use Reith\ToyRobot\Messaging\Command\PlaceRobot;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    15
                 | 
                                    
                                                     | 
                
                 | 
                use Reith\ToyRobot\Domain\Space\Table;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    16
                 | 
                                    
                                                     | 
                
                 | 
                use Reith\ToyRobot\Domain\Robot\RobotRepositoryInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    17
                 | 
                                    
                                                     | 
                
                 | 
                use Reith\ToyRobot\Domain\Robot\Robot;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    18
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    19
                 | 
                                    
                                                     | 
                
                 | 
                class RobotPlacerTest extends TestCase  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    20
                 | 
                                    
                                                     | 
                
                 | 
                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    21
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    22
                 | 
                                    
                                                     | 
                
                 | 
                     * @test  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    23
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                        
            
                                    
            
            
                | 
                    24
                 | 
                                    
                                                     | 
                
                 | 
                    public function willHandlePlaceRobot()  | 
            
            
                                                        
            
                                    
            
            
                | 
                    25
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                        
            
                                    
            
            
                | 
                    26
                 | 
                                    
                                                     | 
                
                 | 
                        $table = Table::create(10);  | 
            
            
                                                        
            
                                    
            
            
                | 
                    27
                 | 
                                    
                                                     | 
                
                 | 
                        $mockRepo = self::createMock(RobotRepositoryInterface::class);  | 
            
            
                                                        
            
                                    
            
            
                | 
                    28
                 | 
                                    
                                                     | 
                
                 | 
                        $mockLogger = self::createMock(LoggerInterface::class);  | 
            
            
                                                        
            
                                    
            
            
                | 
                    29
                 | 
                                    
                                                     | 
                
                 | 
                        $robotPlacer = new RobotPlacer($table, $mockRepo, $mockLogger);  | 
            
                            
                    | 
                        
                     | 
                     | 
                     | 
                    
                                                                                                                                                        
                        
                         
                                                                                        
                                                                                            
                                                                                     
                     | 
                
            
                                                        
            
                                    
            
            
                | 
                    30
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                        
            
                                    
            
            
                | 
                    31
                 | 
                                    
                                                     | 
                
                 | 
                        self::assertInstanceOf(RobotPlacer::class, $robotPlacer);  | 
            
            
                                                        
            
                                    
            
            
                | 
                    32
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                        
            
                                    
            
            
                | 
                    33
                 | 
                                    
                                                     | 
                
                 | 
                        $command = new PlaceRobot([1, 4], 'W');  | 
            
            
                                                        
            
                                    
            
            
                | 
                    34
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                        
            
                                    
            
            
                | 
                    35
                 | 
                                    
                                                     | 
                
                 | 
                        $localRobot = null;  | 
            
            
                                                        
            
                                    
            
            
                | 
                    36
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                        
            
                                    
            
            
                | 
                    37
                 | 
                                    
                                                     | 
                
                 | 
                        $mockRepo->expects($this->once())  | 
            
            
                                                        
            
                                    
            
            
                | 
                    38
                 | 
                                    
                                                     | 
                
                 | 
                            ->method('save') | 
            
            
                                                        
            
                                    
            
            
                | 
                    39
                 | 
                                    
                                                     | 
                
                 | 
                            ->with(  | 
            
            
                                                        
            
                                    
            
            
                | 
                    40
                 | 
                                    
                                                     | 
                
                 | 
                                $this->callback(function (Robot $robot) use (&$localRobot) { | 
            
            
                                                        
            
                                    
            
            
                | 
                    41
                 | 
                                    
                                                     | 
                
                 | 
                                    $localRobot = $robot;  | 
            
            
                                                        
            
                                    
            
            
                | 
                    42
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                        
            
                                    
            
            
                | 
                    43
                 | 
                                    
                                                     | 
                
                 | 
                                    return true;  | 
            
            
                                                        
            
                                    
            
            
                | 
                    44
                 | 
                                    
                                                     | 
                
                 | 
                                })  | 
            
            
                                                        
            
                                    
            
            
                | 
                    45
                 | 
                                    
                                                     | 
                
                 | 
                            );  | 
            
            
                                                        
            
                                    
            
            
                | 
                    46
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                        
            
                                    
            
            
                | 
                    47
                 | 
                                    
                                                     | 
                
                 | 
                        $robotPlacer->handlePlaceRobot($command);  | 
            
            
                                                        
            
                                    
            
            
                | 
                    48
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                        
            
                                    
            
            
                | 
                    49
                 | 
                                    
                                                     | 
                
                 | 
                        self::assertInstanceOf(Robot::class, $localRobot);  | 
            
            
                                                        
            
                                    
            
            
                | 
                    50
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                        
            
                                    
            
            
                | 
                    51
                 | 
                                    
                                                     | 
                
                 | 
                        self::assertSame('1,4,W', $localRobot->getReportAsString()); | 
            
                            
                    | 
                        
                     | 
                     | 
                     | 
                    
                                                                                                    
                        
                         
                                                                                        
                                                                                     
                     | 
                
            
                                                        
            
                                    
            
            
                | 
                    52
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                        
            
                                    
            
            
                | 
                    53
                 | 
                                    
                                                     | 
                
                 | 
                }  | 
            
            
                                                        
            
                                    
            
            
                | 
                    54
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                        
It seems like the type of the argument is not accepted by the function/method which you are calling.
In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug.
We suggest to add an explicit type cast like in the following example: