View GitHub Repository LiipMonitorBundle

Schedule Inspection
Subscribe
Completed
Pull Request — master (#250)
by
unknown
20:15
created

CpuPerformance::__construct()   A

↳ Parent: CpuPerformance

Complexity

Conditions 1
Paths 1

Size

Total Lines 11

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
dl 0
loc 11
rs 9.9
c 0
b 0
f 0
cc 1
nc 1
nop 1
1 
<?php
2 

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    3
                

                                    
                                                    
                
                
                
declare(strict_types=1);

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    4
                

                                    
                                                    
                
                
                

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    5
                

                                    
                                                    
                
                
                
namespace Liip\MonitorBundle\Check;

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    6
                

                                    
                                                    
                
                
                

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    7
                

                                    
                                                    
                
                
                
use Laminas\Diagnostics\Check\CheckInterface;

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    8
                

                                    
                                                    
                
                
                
use Laminas\Diagnostics\Check\CpuPerformance as LaminasCpuPerformance;

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    9
                

                                    
                                                    
                
                
                
use Laminas\Diagnostics\Result\ResultInterface;

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    10
                

                                    
                                                    
                
                
                

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    11
                

                                    
                                                    
                
                
                
class CpuPerformance implements CheckInterface

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    12
                

                                    
                                                    
                
                
                
{

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    13
                

                                    
                                                    
                
                
                
    /**

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    14
                

                                    
                                                    
                
                
                
     * @var CheckInterface

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    15
                

                                    
                                                    
                
                
                
     */

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    16
                

                                    
                                                    
                
                
                
    private $check;

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
                    17
                

                                    
                                                    
                
                
                

            


            
                                                                        
                            
            
                                    
            
            

                
                    18
                

                                    
                                                    
                
                
                
    public function __construct(array $config = [])

            


            
                                                                        
                            
            
                                    
            
            

                
                    19
                

                                    
                                                    
                
                
                
    {

            


            
                                                                        
                            
            
                                    
            
            

                
                    20
                

                                    
                                                    
                
                
                
        $minPerformance = $config['performance'];

            


            
                                                                        
                            
            
                                    
            
            

                
                    21
                

                                    
                                                    
                
                
                

            


            
                                                                        
                            
            
                                    
            
            

                
                    22
                

                                    
                                                    
                
                
                
        $check = new LaminasCpuPerformance($minPerformance);

            


            
                                                                        
                            
            
                                    
            
            

                
                    23
                

                                    
                                                    
                
                
                

            


            
                                                                        
                            
            
                                    
            
            

                
                    24
                

                                    
                                                    
                
                
                
        $label = $config['label'] ?? sprintf('Performance is `%s`', $minPerformance);

            


            
                                                                        
                            
            
                                    
            
            

                
                    25
                

                                    
                                                    
                
                
                
        $check->setLabel($label);

            


            
                                                                        
                            
            
                                    
            
            

                
                    26
                

                                    
                                                    
                
                
                

            


            
                                                                        
                            
            
                                    
            
            

                
                    27
                

                                    
                                                    
                
                
                
        $this->check = $check;

            


            
                                                                        
                            
            
                                    
            
            

                
                    28
                

                                    
                                                    
                
                
                
    }

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    29
                

                                    
                                                    
                
                
                

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    30
                

                                    
                                                    
                
                
                
    public function check(): ResultInterface

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    31
                

                                    
                                                    
                
                
                
    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    32
                

                                    
                                                    
                
                
                
        return $this->check->check();

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    33
                

                                    
                                                    
                
                
                
    }

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    34
                

                                    
                                                    
                
                
                

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    35
                

                                    
                                                    
                
                
                
    public function getLabel(): string

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    36
                

                                    
                                                    
                
                
                
    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    37
                

                                    
                                                    
                
                
                
        return $this->check->getLabel();

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    38
                

                                    
                                                    
                
                
                
    }

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    39
                

                                    
                                                    
                
                
                

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    40
                

                                    
                                                    
                
                
                
    public function setLabel(string $label): void

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    41
                

                                    
                                                    
                
                
                
    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
                    42
                

                                    
                                                    
                
                
                
        $this->check->setLabel($label);

            


                            

                    
                        
                    
                    
                    
                    
                                                                                                    
                        

                            
                            
0 ignored issues

                            –
                            show
                        


                        

                                                                                        




    

        
            Bug
    
    
    
        introduced 
                            by 
            

        

        

            
        

        

            

                

                    
                
                
            


        

    

    

        
                        

                            
                                
                            
                        

                                        
It seems like you code against a concrete implementation and not the interface Laminas\Diagnostics\Check\CheckInterface as the method setLabel() does only exist in the following implementations of said interface: Laminas\Diagnostics\Check\AbstractCheck, Laminas\Diagnostics\Check\AbstractFileCheck, Laminas\Diagnostics\Check\AbstractMemoryCheck, Laminas\Diagnostics\Check\ApcFragmentation, Laminas\Diagnostics\Check\ApcMemory, Laminas\Diagnostics\Check\Callback, Laminas\Diagnostics\Check\ClassExists, Laminas\Diagnostics\Check\CouchDBCheck, Laminas\Diagnostics\Check\CpuPerformance, Laminas\Diagnostics\Check\DirReadable, Laminas\Diagnostics\Check\DirWritable, Laminas\Diagnostics\Check\DiskFree, Laminas\Diagnostics\Check\DiskUsage, Laminas\Diagnostics\Check\DoctrineMigration, Laminas\Diagnostics\Check\ExtensionLoaded, Laminas\Diagnostics\Check\GuzzleHttpService, Laminas\Diagnostics\Check\HttpService, Laminas\Diagnostics\Check\IniFile, Laminas\Diagnostics\Check\JsonFile, Laminas\Diagnostics\Check\Memcache, Laminas\Diagnostics\Check\Memcached, Laminas\Diagnostics\Check\Mongo, Laminas\Diagnostics\Check\OpCacheMemory, Laminas\Diagnostics\Check\PhpFlag, Laminas\Diagnostics\Check\PhpVersion, Laminas\Diagnostics\Check\ProcessRunning, Laminas\Diagnostics\Check\RabbitMQ, Laminas\Diagnostics\Check\Redis, Laminas\Diagnostics\Check\SecurityAdvisory, Laminas\Diagnostics\Check\StreamWrapperExists, Laminas\Diagnostics\Check\XmlFile, Laminas\Diagnostics\Check\YamlFile, Liip\MonitorBundle\Check\ApcFragmentation, Liip\MonitorBundle\Check\ApcMemory, Liip\MonitorBundle\Check\ClassExists, Liip\MonitorBundle\Check\CpuPerformance, Liip\MonitorBundle\Check\DiskUsage, Liip\MonitorBundle\Check\DoctrineDbal, Liip\MonitorBundle\Check\DoctrineMongoDb, Liip\MonitorBundle\Check\IniFile, Liip\MonitorBundle\Check\JsonFile, Liip\MonitorBundle\Check\OpCacheMemory, Liip\MonitorBundle\Check\PhpExtension, Liip\MonitorBundle\Check\ReadableDirectory, Liip\MonitorBundle\Check\SecurityAdvisory, Liip\MonitorBundle\Check\StreamWrapperExists, Liip\MonitorBundle\Check\WritableDirectory, Liip\MonitorBundle\Check\XmlFile, Liip\MonitorBundle\Check\YamlFile.
                                                                                                                                                                                                        

                    
                                            

                            

                            

                                
                                    
                                
                            


                            
Let’s take a look at an example:


interface User
{
    /** @return string */
    public function getPassword();
}

class MyUser implements User
{
    public function getPassword()
    {
        // return something
    }

    public function getDisplayName()
    {
        // return some name.
    }
}

class AuthSystem
{
    public function authenticate(User $user)
    {
        $this->logger->info(sprintf('Authenticating %s.', $user->getDisplayName()));
        // do something.
    }
}





In the above example, the authenticate() method works fine as long as you just pass
instances of MyUser. However, if you now also want to pass a different implementation
of User which does not have a getDisplayName() method, the code will break.




Available Fixes


  1. Change the type-hint for the parameter:
    

    class AuthSystem
{
    public function authenticate(MyUser $user) { /* ... */ }
}

    

    

    2. 

  2. Add an additional type-check:
    

    class AuthSystem
{
    public function authenticate(User $user)
    {
        if ($user instanceof MyUser) {
            $this->logger->info(/** ... */);
        }

        // or alternatively
        if ( ! $user instanceof MyUser) {
            throw new \LogicException(
                '$user must be an instance of MyUser, '
               .'other instances are not supported.'
            );
        }

    }
}

    

    

    3. 




 Note: PHP Analyzer uses reverse abstract interpretation to narrow down the types
inside the if block in such a case.


  1. Add the method to the interface:
    

    interface User
{
    /** @return string */
    public function getPassword();

    /** @return string */
    public function getDisplayName();
}

    

    

    2. 



                        

                                                    

                     Loading history...
                

                    


    




                                                                                    


                    		
                

            
                                                                                                            
                            
            
                                    
            
            

                
                    43
                

                                    
                                                    
                
                
                
    }

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
                    44
                

                                    
                                                    
                
                
                
}

            


            
                                                        
            
                                    
            
            

                
                    45