/**
  * @covers \Drupal\features\Plugin\FeaturesGeneration\FeaturesGenerationWrite
  */
 public function testExportWrite()
 {
     // Set a fake drupal root, so the testbot can also write into it.
     vfsStream::setup('drupal');
     \Drupal::getContainer()->set('app.root', 'vfs://drupal');
     $this->featuresManager->setRoot('vfs://drupal');
     $package = $this->featuresManager->getPackage(self::PACKAGE_NAME);
     // Find out where package will be exported
     list($full_name, $path) = $this->featuresManager->getExportInfo($package, $this->assigner->getBundle());
     $path = 'vfs://drupal/' . $path . '/' . $full_name;
     if (file_exists($path)) {
         file_unmanaged_delete_recursive($path);
     }
     $this->assertFalse(file_exists($path), 'Package directory already exists.');
     $this->generator->generatePackages('write', $this->assigner->getBundle(), [self::PACKAGE_NAME]);
     $info_file_uri = $path . '/' . self::PACKAGE_NAME . '.info.yml';
     $this->assertTrue(file_exists($path), 'Package directory was not generated.');
     $this->assertTrue(file_exists($info_file_uri), 'Package info.yml not generated.');
     $this->assertTrue(file_exists($path . '/config/install'), 'Package config/install not generated.');
     $this->assertTrue(file_exists($path . '/config/install/system.site.yml'), 'Config.yml not exported.');
     $expected_info = ["name" => "My test package", "type" => "module", "core" => "8.x"];
     $info = Yaml::decode(file_get_contents($info_file_uri));
     $this->assertEquals($expected_info, $info, 'Incorrect info file generated');
     // Now, add stuff to the feature and re-export to ensure it is preserved
     // Add a dependency to the package itself to see that it gets exported.
     $package->setDependencies(['user']);
     $this->featuresManager->setPackage($package);
     // Add dependency and custom key to the info file to simulate manual edit.
     $info['dependencies'] = ['node'];
     $info['mykey'] = "test value";
     $info_contents = Yaml::encode($info);
     file_put_contents($info_file_uri, $info_contents);
     // Add an extra file that should be retained.
     $css_file = $path . '/' . self::PACKAGE_NAME . '.css';
     $file_contents = "This is a dummy file";
     file_put_contents($css_file, $file_contents);
     // Add a config file that should be removed since it's not part of the
     // feature.
     $config_file = $path . '/config/install/node.type.mytype.yml';
     file_put_contents($config_file, $file_contents);
     $this->generator->generatePackages('write', $this->assigner->getBundle(), [self::PACKAGE_NAME]);
     $this->assertTrue(file_exists($info_file_uri), 'Package info.yml not generated.');
     $expected_info = ["name" => "My test package", "type" => "module", "core" => "8.x", "dependencies" => ["node", "user"], "mykey" => "test value"];
     $info = Yaml::decode(file_get_contents($info_file_uri));
     $this->assertEquals($expected_info, $info, 'Incorrect info file generated');
     $this->assertTrue(file_exists($css_file), 'Extra file was not retained.');
     $this->assertFalse(file_exists($config_file), 'Config directory was not cleaned.');
     $this->assertEquals($file_contents, file_get_contents($css_file), 'Extra file contents not retained');
     // Next, test that generating an Archive picks up the extra files.
     $filename = file_directory_temp() . '/' . self::PACKAGE_NAME . '.tar.gz';
     if (file_exists($filename)) {
         unlink($filename);
     }
     $this->assertFalse(file_exists($filename), 'Archive file already exists.');
     $this->generator->generatePackages('archive', $this->assigner->getBundle(), [self::PACKAGE_NAME]);
     $this->assertTrue(file_exists($filename), 'Archive file was not generated.');
     $archive = new ArchiveTar($filename);
     $files = $archive->listContent();
     $this->assertEquals(4, count($files));
     $this->assertEquals(self::PACKAGE_NAME . '/' . self::PACKAGE_NAME . '.info.yml', $files[0]['filename']);
     $this->assertEquals(self::PACKAGE_NAME . '/' . self::PACKAGE_NAME . '.features.yml', $files[1]['filename']);
     $this->assertEquals(self::PACKAGE_NAME . '/config/install/system.site.yml', $files[2]['filename']);
     $this->assertEquals(self::PACKAGE_NAME . '/' . self::PACKAGE_NAME . '.css', $files[3]['filename']);
     $expected_info = ["name" => "My test package", "type" => "module", "core" => "8.x", "dependencies" => ["node", "user"], "mykey" => "test value"];
     $info = Yaml::decode($archive->extractInString(self::PACKAGE_NAME . '/' . self::PACKAGE_NAME . '.info.yml'));
     $this->assertEquals($expected_info, $info, 'Incorrect info file generated');
     $this->assertEquals($file_contents, $archive->extractInString(self::PACKAGE_NAME . '/' . self::PACKAGE_NAME . '.css'), 'Extra file contents not retained');
 }