public function testFollowArtistsOrUsers() { $options = array('74ASZWbe4lXaubB36ztrGX', '36QJpDe2go2KgaRleHCDTp'); $expected = json_encode(array('ids' => array('74ASZWbe4lXaubB36ztrGX', '36QJpDe2go2KgaRleHCDTp'))); $headers = array('Authorization' => 'Bearer ' . $this->accessToken, 'Content-Type' => 'application/json'); $return = array('status' => 204); $stub = $this->setupStub('PUT', '/v1/me/following?type=artist', $expected, $headers, $return); $api = new SpotifyWebAPI\SpotifyWebAPI($stub); $api->setAccessToken($this->accessToken); $response = $api->followArtistsOrUsers('artist', $options); $this->assertTrue($response); }