/** @test */
 public function itShouldOpenAnArchive()
 {
     $filename = 'file.zippo';
     $adapter = $this->getSupportedAdapter();
     $adapter->expects($this->once())->method('open')->with($this->equalTo($filename));
     $adapters = array($adapter);
     $strategy = $this->getStrategy('zippo', $adapters);
     $zippy = new Zippy($this->getContainer());
     $zippy->addStrategy($strategy);
     $zippy->open($filename);
 }