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Completed
Pull Request — master (#226)
by Adamo
11:38 queued 05:25
created

QueryCountClient.php (1 issue)

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Code
1 
<?php
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namespace Liip\FunctionalTestBundle;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use Symfony\Bundle\FrameworkBundle\Client;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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class QueryCountClient extends Client

            


            
                                                                                                            
                            
            
                                    
            
            

                
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{

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    /** @var QueryCounter */

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    private $queryCounter;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    public function setQueryCounter(QueryCounter $queryCounter)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $this->queryCounter = $queryCounter;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    public function request(

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $method,

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $uri,

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        array $parameters = array(),

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        array $files = array(),

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        array $server = array(),

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $content = null,

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $changeHistory = true

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    ) {

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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        $crawler = parent::request($method, $uri, $parameters, $files, $server, $content, $changeHistory);

            


            
                                                                        
                            
            
                                    
            
            

                
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        if ($this->getProfile()) {

            


            
                                                                        
                            
            
                                    
            
            

                
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            $this->queryCounter->checkQueryCount(

            


            
                                                                        
                            
            
                                    
            
            

                
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                $this->getProfile()->getCollector('db')->getQueryCount()

            


                            

                    
                        
                    
                    
                    
                    
                                                                                                    
                        

                            
                            
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            Bug
    
    
    
        introduced 
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It seems like you code against a concrete implementation and not the interface Symfony\Component\HttpKe...\DataCollectorInterface as the method getQueryCount() does only exist in the following implementations of said interface: Doctrine\Bundle\Doctrine...r\DoctrineDataCollector, Symfony\Bridge\Doctrine\...r\DoctrineDataCollector.
                                                                                                                                                                                                        

                    
                                            

                            

                            

                                
                                    
                                
                            


                            
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. 



                        

                                                    

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            );

            


            
                                                                        
                            
            
                                    
            
            

                
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        }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        return $crawler;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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}

            


            
                                                        
            
                                    
            
            

                
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