public function testGetArticle()
 {
     $github = new \MMB\Github\GithubArticleService();
     $github->setArticleProvider(new MockArticleProvider());
     $github->setDocumentProvider(new MockDocumentProvider());
     $github->setRepository('mmb-github-example');
     $github->setUser('cammanderson');
     $results = $github->getArticles();
     $this->assertNotEmpty($results);
     $firstResult = current($results);
     $result = $github->getArticle($firstResult->getKey());
     $this->assertNotEmpty($result);
     $this->assertTrue(get_class($result) == 'MMB\\Github\\Tests\\DummyArticle');
 }