Browscap\Writer\WriterCollection::close PHP Method

    public function close()
    {
        foreach ($this->writers as $writer) {
            $writer->close();
        }
        return $this;
    }

 /**
  * tests rendering the version information
  *
  * @group writer
  * @group sourcetest
  */
 public function testRenderVersion()
 {
     $version = 'test';
     $mockCollection = $this->getMock('\\Browscap\\Data\\DataCollection', array('getGenerationDate'), array(), '', false);
     $mockCollection->expects(self::once())->method('getGenerationDate')->will(self::returnValue(new \DateTime()));
     $mockFilter = $this->getMock('\\Browscap\\Filter\\FullFilter', array('isOutput', 'getType'), array(), '', false);
     $mockFilter->expects(self::never())->method('isOutput')->will(self::returnValue(true));
     $mockFilter->expects(self::once())->method('getType')->will(self::returnValue('Test'));
     $mockFormatter = $this->getMock('\\Browscap\\Formatter\\XmlFormatter', array('getType'), array(), '', false);
     $mockFormatter->expects(self::once())->method('getType')->will(self::returnValue('test'));
     $mockLogger = $this->getMock('\\Monolog\\Logger', array(), array(), '', false);
     $mockWriter = $this->getMock('\\Browscap\\Writer\\CsvWriter', array('getFilter', 'getFormatter', 'getLogger'), array($this->file), '', true);
     $mockWriter->expects(self::once())->method('getFilter')->will(self::returnValue($mockFilter));
     $mockWriter->expects(self::once())->method('getFormatter')->will(self::returnValue($mockFormatter));
     $mockWriter->expects(self::once())->method('getLogger')->will(self::returnValue($mockLogger));
     self::assertSame($this->object, $this->object->addWriter($mockWriter));
     self::assertSame($this->object, $this->object->renderVersion($version, $mockCollection));
     self::assertSame($this->object, $this->object->close());
 }