public function testCanCheckIfPackfileHasShaWithIndex()
{
$mock_index = M::mock('Gittern\\Transport\\PackfileIndex');
$mock_index->shouldReceive('hasSha')->with('deadbeefcafebabefacebadc0ffeebadf00dcafe')->andReturn(true);
$this->packfile->setIndex($mock_index);
$this->assertTrue($this->packfile->hasSha('deadbeefcafebabefacebadc0ffeebadf00dcafe'));
}