Merge remote-tracking branch 'everzet/downloader-interface-refactoring'

src/Composer/Downloader/DownloadManager.php

@@ -74,6 +74,41 @@ class DownloadManager
         return $this->downloaders[$type];
     }
 
+    /**
+     * Returns downloader for already installed package.
+     *
+     * @param   PackageInterface    $package    package instance
+     *
+     * @return  DownloaderInterface
+     *
+     * @throws  InvalidArgumentException        if package has no installation source specified
+     * @throws  LogicException                  if specific downloader used to load package with
+     *                                          wrong type
+     */
+    public function getDownloaderForInstalledPackage(PackageInterface $package)
+    {
+        $installationSource = $package->getInstallationSource();
+
+        if ('dist' === $installationSource) {
+            $downloader = $this->getDownloader($package->getDistType());
+        } elseif ('source' === $installationSource) {
+            $downloader = $this->getDownloader($package->getSourceType());
+        } else {
+            throw new \InvalidArgumentException(
+                'Package '.$package.' seems not been installed properly'
+            );
+        }
+
+        if ($installationSource !== $downloader->getInstallationSource()) {
+            throw new \LogicException(sprintf(
+                'Downloader "%s" is a %s type downloader and can not be used to download %s',
+                get_class($downloader), $downloader->getInstallationSource(), $installationSource
+            ));
+        }
+
+        return $downloader;
+    }
+
     /**
      * Downloads package into target dir.
      *
@@ -81,8 +116,6 @@ class DownloadManager
      * @param   string              $targetDir      target dir
      * @param   Boolean             $preferSource   prefer installation from source
      *
-     * @return  string                              downloader type (source/dist)
-     *
      * @throws  InvalidArgumentException            if package have no urls to download from
      */
     public function download(PackageInterface $package, $targetDir, $preferSource = null)
@@ -92,20 +125,17 @@ class DownloadManager
         $distType     = $package->getDistType();
 
         if (!($preferSource && $sourceType) && $distType) {
-            $downloader = $this->getDownloader($distType);
             $package->setInstallationSource('dist');
-            $downloader->distDownload($package, $targetDir);
+        } elseif ($sourceType) {
-            return 'dist';
-        }
-
-        if ($sourceType) {
-            $downloader = $this->getDownloader($sourceType);
             $package->setInstallationSource('source');
-            $downloader->sourceDownload($package, $targetDir);
+        } else {
-            return 'source';
+            throw new \InvalidArgumentException(
+                'Package '.$package.' should have source or dist specified'
+            );
         }
 
-        throw new \InvalidArgumentException('Package should have dist or source specified');
+        $downloader = $this->getDownloaderForInstalledPackage($package);
+        $downloader->download($package, $targetDir);
     }
 
     /**
@@ -119,15 +149,10 @@ class DownloadManager
      */
     public function update(PackageInterface $initial, PackageInterface $target, $targetDir)
     {
-        if (null === $installationType = $initial->getInstallationSource()) {
+        $downloader = $this->getDownloaderForInstalledPackage($initial);
-            throw new \InvalidArgumentException(
+        $installationSource = $initial->getInstallationSource();
-                'Package '.$initial.' was not been installed propertly and can not be updated'
-            );
-        }
 
-        $useSource = 'source' === $installationType;
+        if ('dist' === $installationSource) {
-
-        if (!$useSource) {
             $initialType = $initial->getDistType();
             $targetType  = $target->getDistType();
         } else {
@@ -135,15 +160,12 @@ class DownloadManager
             $targetType  = $target->getSourceType();
         }
 
-        $downloader = $this->getDownloader($initialType);
-
         if ($initialType === $targetType) {
-            $target->setInstallationSource($installationType);
+            $target->setInstallationSource($installationSource);
-            $method = $useSource ? 'sourceUpdate' : 'distUpdate';
+            $downloader->update($initial, $target, $targetDir);
-            $downloader->$method($initial, $target, $targetDir);
         } else {
             $downloader->remove($initial, $targetDir);
-            $this->download($target, $targetDir, $useSource);
+            $this->download($target, $targetDir, 'source' === $installationSource);
         }
     }
 
@@ -155,14 +177,7 @@ class DownloadManager
      */
     public function remove(PackageInterface $package, $targetDir)
     {
-        if (null === $installationType = $package->getInstallationSource()) {
+        $downloader = $this->getDownloaderForInstalledPackage($package);
-            throw new \InvalidArgumentException(
+        $downloader->remove($package, $targetDir);
-                'Package '.$package.' was not been installed propertly and can not be removed'
-            );
-        }
-
-        $useSource = 'source' === $installationType;
-        $downloaderType = $useSource ? $package->getSourceType() : $package->getDistType();
-        $this->getDownloader($downloaderType)->remove($package, $targetDir);
     }
 }

src/Composer/Downloader/DownloaderInterface.php

@@ -23,20 +23,19 @@ use Composer\Package\PackageInterface;
 interface DownloaderInterface
 {
     /**
-     * Downloads specific package into specific folder from dist.
+     * Returns installation source (either source or dist).
      *
-     * @param   PackageInterface    $package    package instance
+     * @return  string                          "source" or "dist"
-     * @param   string              $path       download path
      */
-    function distDownload(PackageInterface $package, $path);
+    function getInstallationSource();
 
     /**
-     * Downloads specific package into specific folder from source.
+     * Downloads specific package into specific folder.
      *
      * @param   PackageInterface    $package    package instance
      * @param   string              $path       download path
      */
-    function sourceDownload(PackageInterface $package, $path);
+    function download(PackageInterface $package, $path);
 
     /**
      * Updates specific package in specific folder from initial to target version.
@@ -45,16 +44,7 @@ interface DownloaderInterface
      * @param   PackageInterface    $target     updated package
      * @param   string              $path       download path
      */
-    function distUpdate(PackageInterface $initial, PackageInterface $target, $path);
+    function update(PackageInterface $initial, PackageInterface $target, $path);
-
-    /**
-     * Updates specific package in specific folder from initial to target version.
-     *
-     * @param   PackageInterface    $initial    initial package
-     * @param   PackageInterface    $target     updated package
-     * @param   string              $path       download path
-     */
-    function sourceUpdate(PackageInterface $initial, PackageInterface $target, $path);
 
     /**
      * Removes specific package from specific folder.

src/Composer/Downloader/FileDownloader.php

@@ -24,50 +24,19 @@ abstract class FileDownloader implements DownloaderInterface
     /**
      * {@inheritDoc}
      */
-    public function distDownload(PackageInterface $package, $path)
+    public function getInstallationSource()
     {
-        $this->download($package->getDistUrl(), $path, $package->getDistSha1Checksum());
+        return 'dist';
     }
 
     /**
      * {@inheritDoc}
      */
-    public function sourceDownload(PackageInterface $package, $path)
+    public function download(PackageInterface $package, $path)
     {
-        $this->download($package->getSourceUrl(), $path);
+        $url = $package->getDistUrl();
-    }
+        $checksum = $package->getDistSha1Checksum();
 
-    /**
-     * {@inheritDoc}
-     */
-    public function distUpdate(PackageInterface $initial, PackageInterface $target, $path)
-    {
-        $fs = new Util\Filesystem();
-        $fs->remove($path);
-        $this->download($target->getDistUrl(), $path, $target->getDistSha1Checksum());
-    }
-
-    /**
-     * {@inheritDoc}
-     */
-    public function sourceUpdate(PackageInterface $initial, PackageInterface $target, $path)
-    {
-        $fs = new Util\Filesystem();
-        $fs->remove($path);
-        $this->download($target->getSourceUrl(), $path);
-    }
-
-    /**
-     * {@inheritDoc}
-     */
-    public function remove(PackageInterface $package, $path)
-    {
-        $fs = new Util\Filesystem();
-        $fs->remove($path);
-    }
-
-    public function download($url, $path, $checksum = null)
-    {
         if (!is_dir($path)) {
             if (file_exists($path)) {
                 throw new \UnexpectedValueException($path.' exists and is not a directory');
@@ -112,6 +81,25 @@ abstract class FileDownloader implements DownloaderInterface
         }
     }
 
+    /**
+     * {@inheritDoc}
+     */
+    public function update(PackageInterface $initial, PackageInterface $target, $path)
+    {
+        $fs = new Util\Filesystem();
+        $fs->remove($path);
+        $this->download($target, $path);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function remove(PackageInterface $package, $path)
+    {
+        $fs = new Util\Filesystem();
+        $fs->remove($path);
+    }
+
     /**
      * Extract file to directory
      *

src/Composer/Downloader/GitDownloader.php

@@ -22,17 +22,15 @@ class GitDownloader implements DownloaderInterface
     /**
      * {@inheritDoc}
      */
-    public function distDownload(PackageInterface $package, $path)
+    public function getInstallationSource()
     {
-        $url = escapeshellarg($package->getDistUrl());
+        return 'source';
-        $ref = escapeshellarg($package->getDistReference());
-        system(sprintf('git archive --format=tar --prefix=%s --remote=%s %s | tar -xf -', $path, $url, $ref));
     }
 
     /**
      * {@inheritDoc}
      */
-    public function sourceDownload(PackageInterface $package, $path)
+    public function download(PackageInterface $package, $path)
     {
         if (!$package->getSourceReference()) {
             throw new \InvalidArgumentException('The given package is missing reference information');
@@ -46,15 +44,7 @@ class GitDownloader implements DownloaderInterface
     /**
      * {@inheritDoc}
      */
-    public function distUpdate(PackageInterface $initial, PackageInterface $target, $path)
+    public function update(PackageInterface $initial, PackageInterface $target, $path)
-    {
-        throw new \Exception('Updating dist installs from git is not implemented yet');
-    }
-
-    /**
-     * {@inheritDoc}
-     */
-    public function sourceUpdate(PackageInterface $initial, PackageInterface $target, $path)
     {
         if (!$target->getSourceReference()) {
             throw new \InvalidArgumentException('The given package is missing reference information');

tests/Composer/Test/Downloader/DownloadManagerTest.php

@@ -28,6 +28,149 @@ class DownloadManagerTest extends \PHPUnit_Framework_TestCase
         $manager->getDownloader('unregistered');
     }
 
+    public function testGetDownloaderForIncorrectlyInstalledPackage()
+    {
+        $package = $this->createPackageMock();
+        $package
+            ->expects($this->once())
+            ->method('getInstallationSource')
+            ->will($this->returnValue(null));
+
+        $manager = new DownloadManager();
+
+        $this->setExpectedException('InvalidArgumentException');
+
+        $manager->getDownloaderForInstalledPackage($package);
+    }
+
+    public function testGetDownloaderForCorrectlyInstalledDistPackage()
+    {
+        $package = $this->createPackageMock();
+        $package
+            ->expects($this->once())
+            ->method('getInstallationSource')
+            ->will($this->returnValue('dist'));
+        $package
+            ->expects($this->once())
+            ->method('getDistType')
+            ->will($this->returnValue('pear'));
+
+        $downloader = $this->createDownloaderMock();
+        $downloader
+            ->expects($this->once())
+            ->method('getInstallationSource')
+            ->will($this->returnValue('dist'));
+
+        $manager = $this->getMockBuilder('Composer\Downloader\DownloadManager')
+            ->setMethods(array('getDownloader'))
+            ->getMock();
+
+        $manager
+            ->expects($this->once())
+            ->method('getDownloader')
+            ->with('pear')
+            ->will($this->returnValue($downloader));
+
+        $this->assertSame($downloader, $manager->getDownloaderForInstalledPackage($package));
+    }
+
+    public function testGetDownloaderForIncorrectlyInstalledDistPackage()
+    {
+        $package = $this->createPackageMock();
+        $package
+            ->expects($this->once())
+            ->method('getInstallationSource')
+            ->will($this->returnValue('dist'));
+        $package
+            ->expects($this->once())
+            ->method('getDistType')
+            ->will($this->returnValue('git'));
+
+        $downloader = $this->createDownloaderMock();
+        $downloader
+            ->expects($this->exactly(2))
+            ->method('getInstallationSource')
+            ->will($this->returnValue('source'));
+
+        $manager = $this->getMockBuilder('Composer\Downloader\DownloadManager')
+            ->setMethods(array('getDownloader'))
+            ->getMock();
+
+        $manager
+            ->expects($this->once())
+            ->method('getDownloader')
+            ->with('git')
+            ->will($this->returnValue($downloader));
+
+        $this->setExpectedException('LogicException');
+
+        $manager->getDownloaderForInstalledPackage($package);
+    }
+
+    public function testGetDownloaderForCorrectlyInstalledSourcePackage()
+    {
+        $package = $this->createPackageMock();
+        $package
+            ->expects($this->once())
+            ->method('getInstallationSource')
+            ->will($this->returnValue('source'));
+        $package
+            ->expects($this->once())
+            ->method('getSourceType')
+            ->will($this->returnValue('git'));
+
+        $downloader = $this->createDownloaderMock();
+        $downloader
+            ->expects($this->once())
+            ->method('getInstallationSource')
+            ->will($this->returnValue('source'));
+
+        $manager = $this->getMockBuilder('Composer\Downloader\DownloadManager')
+            ->setMethods(array('getDownloader'))
+            ->getMock();
+
+        $manager
+            ->expects($this->once())
+            ->method('getDownloader')
+            ->with('git')
+            ->will($this->returnValue($downloader));
+
+        $this->assertSame($downloader, $manager->getDownloaderForInstalledPackage($package));
+    }
+
+    public function testGetDownloaderForIncorrectlyInstalledSourcePackage()
+    {
+        $package = $this->createPackageMock();
+        $package
+            ->expects($this->once())
+            ->method('getInstallationSource')
+            ->will($this->returnValue('source'));
+        $package
+            ->expects($this->once())
+            ->method('getSourceType')
+            ->will($this->returnValue('pear'));
+
+        $downloader = $this->createDownloaderMock();
+        $downloader
+            ->expects($this->exactly(2))
+            ->method('getInstallationSource')
+            ->will($this->returnValue('dist'));
+
+        $manager = $this->getMockBuilder('Composer\Downloader\DownloadManager')
+            ->setMethods(array('getDownloader'))
+            ->getMock();
+
+        $manager
+            ->expects($this->once())
+            ->method('getDownloader')
+            ->with('pear')
+            ->will($this->returnValue($downloader));
+
+        $this->setExpectedException('LogicException');
+
+        $manager->getDownloaderForInstalledPackage($package);
+    }
+
     public function testFullPackageDownload()
     {
         $package = $this->createPackageMock();
@@ -45,14 +188,20 @@ class DownloadManagerTest extends \PHPUnit_Framework_TestCase
             ->method('setInstallationSource')
             ->with('dist');
 
-        $pearDownloader = $this->createDownloaderMock();
+        $downloader = $this->createDownloaderMock();
-        $pearDownloader
+        $downloader
             ->expects($this->once())
-            ->method('distDownload')
+            ->method('download')
             ->with($package, 'target_dir');
 
-        $manager = new DownloadManager();
+        $manager = $this->getMockBuilder('Composer\Downloader\DownloadManager')
-        $manager->setDownloader('pear', $pearDownloader);
+            ->setMethods(array('getDownloaderForInstalledPackage'))
+            ->getMock();
+        $manager
+            ->expects($this->once())
+            ->method('getDownloaderForInstalledPackage')
+            ->with($package)
+            ->will($this->returnValue($downloader));
 
         $manager->download($package, 'target_dir');
     }
@@ -92,14 +241,20 @@ class DownloadManagerTest extends \PHPUnit_Framework_TestCase
             ->method('setInstallationSource')
             ->with('dist');
 
-        $pearDownloader = $this->createDownloaderMock();
+        $downloader = $this->createDownloaderMock();
-        $pearDownloader
+        $downloader
             ->expects($this->once())
-            ->method('distDownload')
+            ->method('download')
             ->with($package, 'target_dir');
 
-        $manager = new DownloadManager();
+        $manager = $this->getMockBuilder('Composer\Downloader\DownloadManager')
-        $manager->setDownloader('pear', $pearDownloader);
+            ->setMethods(array('getDownloaderForInstalledPackage'))
+            ->getMock();
+        $manager
+            ->expects($this->once())
+            ->method('getDownloaderForInstalledPackage')
+            ->with($package)
+            ->will($this->returnValue($downloader));
 
         $manager->download($package, 'target_dir');
     }
@@ -115,21 +270,28 @@ class DownloadManagerTest extends \PHPUnit_Framework_TestCase
             ->expects($this->once())
             ->method('getDistType')
             ->will($this->returnValue(null));
+
         $package
             ->expects($this->once())
             ->method('setInstallationSource')
             ->with('source');
 
-        $gitDownloader = $this->createDownloaderMock();
+        $downloader = $this->createDownloaderMock();
-        $gitDownloader
+        $downloader
             ->expects($this->once())
-            ->method('sourceDownload')
+            ->method('download')
-            ->with($package, 'vendor/pkg');
+            ->with($package, 'target_dir');
 
-        $manager = new DownloadManager();
+        $manager = $this->getMockBuilder('Composer\Downloader\DownloadManager')
-        $manager->setDownloader('git', $gitDownloader);
+            ->setMethods(array('getDownloaderForInstalledPackage'))
+            ->getMock();
+        $manager
+            ->expects($this->once())
+            ->method('getDownloaderForInstalledPackage')
+            ->with($package)
+            ->will($this->returnValue($downloader));
 
-        $manager->download($package, 'vendor/pkg');
+        $manager->download($package, 'target_dir');
     }
 
     public function testFullPackageDownloadWithSourcePreferred()
@@ -149,17 +311,23 @@ class DownloadManagerTest extends \PHPUnit_Framework_TestCase
             ->method('setInstallationSource')
             ->with('source');
 
-        $gitDownloader = $this->createDownloaderMock();
+        $downloader = $this->createDownloaderMock();
-        $gitDownloader
+        $downloader
             ->expects($this->once())
-            ->method('sourceDownload')
+            ->method('download')
-            ->with($package, 'vendor/pkg');
+            ->with($package, 'target_dir');
+
+        $manager = $this->getMockBuilder('Composer\Downloader\DownloadManager')
+            ->setMethods(array('getDownloaderForInstalledPackage'))
+            ->getMock();
+        $manager
+            ->expects($this->once())
+            ->method('getDownloaderForInstalledPackage')
+            ->with($package)
+            ->will($this->returnValue($downloader));
 
-        $manager = new DownloadManager();
-        $manager->setDownloader('git', $gitDownloader);
         $manager->preferSource();
-
+        $manager->download($package, 'target_dir');
-        $manager->download($package, 'vendor/pkg');
     }
 
     public function testDistOnlyPackageDownloadWithSourcePreferred()
@@ -179,16 +347,22 @@ class DownloadManagerTest extends \PHPUnit_Framework_TestCase
             ->method('setInstallationSource')
             ->with('dist');
 
-        $pearDownloader = $this->createDownloaderMock();
+        $downloader = $this->createDownloaderMock();
-        $pearDownloader
+        $downloader
             ->expects($this->once())
-            ->method('distDownload')
+            ->method('download')
             ->with($package, 'target_dir');
 
-        $manager = new DownloadManager();
+        $manager = $this->getMockBuilder('Composer\Downloader\DownloadManager')
-        $manager->setDownloader('pear', $pearDownloader);
+            ->setMethods(array('getDownloaderForInstalledPackage'))
-        $manager->preferSource();
+            ->getMock();
+        $manager
+            ->expects($this->once())
+            ->method('getDownloaderForInstalledPackage')
+            ->with($package)
+            ->will($this->returnValue($downloader));
 
+        $manager->preferSource();
         $manager->download($package, 'target_dir');
     }
 
@@ -209,17 +383,23 @@ class DownloadManagerTest extends \PHPUnit_Framework_TestCase
             ->method('setInstallationSource')
             ->with('source');
 
-        $gitDownloader = $this->createDownloaderMock();
+        $downloader = $this->createDownloaderMock();
-        $gitDownloader
+        $downloader
             ->expects($this->once())
-            ->method('sourceDownload')
+            ->method('download')
-            ->with($package, 'vendor/pkg');
+            ->with($package, 'target_dir');
+
+        $manager = $this->getMockBuilder('Composer\Downloader\DownloadManager')
+            ->setMethods(array('getDownloaderForInstalledPackage'))
+            ->getMock();
+        $manager
+            ->expects($this->once())
+            ->method('getDownloaderForInstalledPackage')
+            ->with($package)
+            ->will($this->returnValue($downloader));
 
-        $manager = new DownloadManager();
-        $manager->setDownloader('git', $gitDownloader);
         $manager->preferSource();
-
+        $manager->download($package, 'target_dir');
-        $manager->download($package, 'vendor/pkg');
     }
 
     public function testBadPackageDownloadWithSourcePreferred()
@@ -266,11 +446,17 @@ class DownloadManagerTest extends \PHPUnit_Framework_TestCase
         $pearDownloader = $this->createDownloaderMock();
         $pearDownloader
             ->expects($this->once())
-            ->method('distUpdate')
+            ->method('update')
             ->with($initial, $target, 'vendor/bundles/FOS/UserBundle');
 
-        $manager = new DownloadManager();
+        $manager = $this->getMockBuilder('Composer\Downloader\DownloadManager')
-        $manager->setDownloader('pear', $pearDownloader);
+            ->setMethods(array('getDownloaderForInstalledPackage'))
+            ->getMock();
+        $manager
+            ->expects($this->once())
+            ->method('getDownloaderForInstalledPackage')
+            ->with($initial)
+            ->will($this->returnValue($pearDownloader));
 
         $manager->update($initial, $target, 'vendor/bundles/FOS/UserBundle');
     }
@@ -300,14 +486,18 @@ class DownloadManagerTest extends \PHPUnit_Framework_TestCase
             ->with($initial, 'vendor/bundles/FOS/UserBundle');
 
         $manager = $this->getMockBuilder('Composer\Downloader\DownloadManager')
-            ->setMethods(array('download'))
+            ->setMethods(array('getDownloaderForInstalledPackage', 'download'))
             ->getMock();
+        $manager
+            ->expects($this->once())
+            ->method('getDownloaderForInstalledPackage')
+            ->with($initial)
+            ->will($this->returnValue($pearDownloader));
         $manager
             ->expects($this->once())
             ->method('download')
             ->with($target, 'vendor/bundles/FOS/UserBundle', false);
 
-        $manager->setDownloader('pear', $pearDownloader);
         $manager->update($initial, $target, 'vendor/bundles/FOS/UserBundle');
     }
 
@@ -332,11 +522,17 @@ class DownloadManagerTest extends \PHPUnit_Framework_TestCase
         $svnDownloader = $this->createDownloaderMock();
         $svnDownloader
             ->expects($this->once())
-            ->method('sourceUpdate')
+            ->method('update')
             ->with($initial, $target, 'vendor/pkg');
 
-        $manager = new DownloadManager();
+        $manager = $this->getMockBuilder('Composer\Downloader\DownloadManager')
-        $manager->setDownloader('svn', $svnDownloader);
+            ->setMethods(array('getDownloaderForInstalledPackage', 'download'))
+            ->getMock();
+        $manager
+            ->expects($this->once())
+            ->method('getDownloaderForInstalledPackage')
+            ->with($initial)
+            ->will($this->returnValue($svnDownloader));
 
         $manager->update($initial, $target, 'vendor/pkg');
     }
@@ -366,39 +562,24 @@ class DownloadManagerTest extends \PHPUnit_Framework_TestCase
             ->with($initial, 'vendor/pkg');
 
         $manager = $this->getMockBuilder('Composer\Downloader\DownloadManager')
-            ->setMethods(array('download'))
+            ->setMethods(array('getDownloaderForInstalledPackage', 'download'))
             ->getMock();
+        $manager
+            ->expects($this->once())
+            ->method('getDownloaderForInstalledPackage')
+            ->with($initial)
+            ->will($this->returnValue($svnDownloader));
         $manager
             ->expects($this->once())
             ->method('download')
             ->with($target, 'vendor/pkg', true);
-        $manager->setDownloader('svn', $svnDownloader);
 
         $manager->update($initial, $target, 'vendor/pkg');
     }
 
-    public function testUpdateBadlyInstalledPackage()
+    public function testRemove()
-    {
-        $initial = $this->createPackageMock();
-        $target  = $this->createPackageMock();
-
-        $this->setExpectedException('InvalidArgumentException');
-
-        $manager = new DownloadManager();
-        $manager->update($initial, $target, 'vendor/pkg');
-    }
-
-    public function testRemoveDist()
     {
         $package = $this->createPackageMock();
-        $package
-            ->expects($this->once())
-            ->method('getInstallationSource')
-            ->will($this->returnValue('dist'));
-        $package
-            ->expects($this->once())
-            ->method('getDistType')
-            ->will($this->returnValue('pear'));
 
         $pearDownloader = $this->createDownloaderMock();
         $pearDownloader
@@ -406,47 +587,18 @@ class DownloadManagerTest extends \PHPUnit_Framework_TestCase
             ->method('remove')
             ->with($package, 'vendor/bundles/FOS/UserBundle');
 
-        $manager = new DownloadManager();
+        $manager = $this->getMockBuilder('Composer\Downloader\DownloadManager')
-        $manager->setDownloader('pear', $pearDownloader);
+            ->setMethods(array('getDownloaderForInstalledPackage'))
+            ->getMock();
+        $manager
+            ->expects($this->once())
+            ->method('getDownloaderForInstalledPackage')
+            ->with($package)
+            ->will($this->returnValue($pearDownloader));
 
         $manager->remove($package, 'vendor/bundles/FOS/UserBundle');
     }
 
-    public function testRemoveSource()
-    {
-        $package = $this->createPackageMock();
-        $package
-            ->expects($this->once())
-            ->method('getInstallationSource')
-            ->will($this->returnValue('source'));
-        $package
-            ->expects($this->once())
-            ->method('getSourceType')
-            ->will($this->returnValue('svn'));
-
-        $svnDownloader = $this->createDownloaderMock();
-        $svnDownloader
-            ->expects($this->once())
-            ->method('remove')
-            ->with($package, 'vendor/pkg');
-
-        $manager = new DownloadManager();
-        $manager->setDownloader('svn', $svnDownloader);
-
-        $manager->remove($package, 'vendor/pkg');
-    }
-
-    /**
-     * @expectedException InvalidArgumentException
-     */
-    public function testRemoveBadlyInstalledPackage()
-    {
-        $package = $this->createPackageMock();
-        $manager = new DownloadManager();
-
-        $manager->remove($package, 'vendor/pkg');
-    }
-
     private function createDownloaderMock()
     {
         return $this->getMockBuilder('Composer\Downloader\DownloaderInterface')