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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /*  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * This file is part of the Spider package.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * (c) Matthijs van den Bos <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * For the full copyright and license information, please view the LICENSE  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * file that was distributed with this source code.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace VDB\Spider\Tests\Downloader;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use GuzzleHttp\Psr7\Response;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use VDB\Spider\Tests\TestCase;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use VDB\Spider\Downloader\DownloaderInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use VDB\Spider\Downloader\Downloader;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use VDB\Spider\Uri\DiscoveredUri;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use VDB\Spider\Resource;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use VDB\Uri\Uri;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                 */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                class DownloaderTest extends TestCase  | 
            
            
                                                                        
                            
            
                                    
            
            
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                { | 
            
            
                                                                        
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @var Downloader  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    private $downloader;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @var Resource  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    protected $resource;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @var string  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    protected $html;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    public function setUp()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->html = file_get_contents(__DIR__ . '/../Fixtures/DownloaderTestHTMLResource.html');  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->resource = new Resource(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            new DiscoveredUri(new Uri('/domains/special', 'http://example.org')), | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            new Response(200, [], $this->html)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->downloader = new Downloader();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $requestHandler = $this->getMock('VDB\Spider\RequestHandler\RequestHandlerInterface'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $requestHandler  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            ->expects($this->any())  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            ->method('request') | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            ->will($this->returnValue($this->resource));  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->downloader->setRequestHandler($requestHandler);  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @covers VDB\Spider\Downloader\Downloader  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function testDownload()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $resource = $this->downloader->download(new DiscoveredUri(new Uri('http://foobar.org'))); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->assertInstanceOf('VDB\\Spider\\Resource', $resource); | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @covers VDB\Spider\Downloader\Downloader  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function testDownloadFailed()  | 
            
                            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $requestHandler = $this->getMock('VDB\Spider\RequestHandler\RequestHandlerInterface'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $requestHandler  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            ->expects($this->any())  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            ->method('request') | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            ->will($this->throwException(new \Exception));  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->downloader->setRequestHandler($requestHandler);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $resource = $this->downloader->download(new DiscoveredUri(new Uri('http://foobar.org'))); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->assertFalse($resource);  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @covers VDB\Spider\Downloader\Downloader  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function testFilterNotMatches()  | 
            
                            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $filterNeverMatch = $this->getMock('VDB\Spider\Filter\PostFetchFilterInterface'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $filterNeverMatch  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            ->expects($this->any())  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            ->method('match') | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            ->will($this->returnValue(false));  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->downloader->addPostFetchFilter($filterNeverMatch);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $resource = $this->downloader->download(new DiscoveredUri(new Uri('http://foobar.org'))); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->assertInstanceOf('VDB\\Spider\\Resource', $resource); | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @covers VDB\Spider\Downloader\Downloader  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function testFilterMatches()  | 
            
                            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $filterAlwaysMatch = $this->getMock('VDB\Spider\Filter\PostFetchFilterInterface'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $filterAlwaysMatch  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            ->expects($this->any())  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            ->method('match') | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            ->will($this->returnValue(true));  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->downloader->addPostFetchFilter($filterAlwaysMatch);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $resource = $this->downloader->download(new DiscoveredUri(new Uri('http://foobar.org'))); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->assertFalse($resource);  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    }  | 
            
            
                                                        
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.