setPackages() public method

Sets the available packages
public setPackages ( array $activePackages ) : void
$activePackages array An array of \Neos\Flow\Package\Package objects
return void
 /**
  * @test
  */
 public function classesFromOverlayedPsr4PackagesAreOverwritten()
 {
     $this->classLoader = new ClassLoader();
     $mockPackage1 = $this->getMockBuilder(Package::class)->disableOriginalConstructor()->getMock();
     $mockPackage1->expects($this->any())->method('getNamespaces')->will($this->returnValue(['TestPackage\\Foo']));
     $mockPackage1->expects($this->any())->method('getFlattenedAutoloadConfiguration')->will($this->returnValue([['namespace' => 'TestPackage\\Foo', 'classPath' => 'vfs://Test/Packages/Libraries/test/subPackage/src/', 'mappingType' => ClassLoader::MAPPING_TYPE_PSR4]]));
     $mockPackage2 = $this->getMockBuilder(Package::class)->disableOriginalConstructor()->getMock();
     $mockPackage2->expects($this->any())->method('getNamespaces')->will($this->returnValue(['TestPackage']));
     $mockPackage2->expects($this->any())->method('getFlattenedAutoloadConfiguration')->will($this->returnValue([['namespace' => 'TestPackage', 'classPath' => 'vfs://Test/Packages/Libraries/test/mainPackage/src/', 'mappingType' => ClassLoader::MAPPING_TYPE_PSR4]]));
     $packages = [$mockPackage2, $mockPackage1];
     mkdir('vfs://Test/Packages/Libraries/test/subPackage/src/', 0770, true);
     mkdir('vfs://Test/Packages/Libraries/test/mainPackage/src/Foo', 0770, true);
     file_put_contents('vfs://Test/Packages/Libraries/test/subPackage/src/Bar3.php', '<?php ' . __CLASS__ . '::$testClassWasOverwritten = TRUE; ?>');
     file_put_contents('vfs://Test/Packages/Libraries/test/mainPackage/src/Foo/Bar3.php', '<?php ' . __CLASS__ . '::$testClassWasOverwritten = FALSE; ?>');
     $this->classLoader->setPackages($packages);
     $this->classLoader->loadClass('TestPackage\\Foo\\Bar3');
     $this->assertTrue(self::$testClassWasOverwritten);
 }