/** * @covers ::display * @dataProvider displayDataProvider */ public function testDisplay($method, array $options = array()) { if (!$_ENV['api_key']) { $this->markTestSkipped('API key is required.'); } $client = new Client($_ENV['api_key']); $options['url'] = $_ENV['picture_url']; $displayed = $client->display($method, $options); $this->assertInternalType('string', $displayed); }