    @Test
    public void createInfoWithEmptyResponseBodyWillFail() throws IOException {

        YoukuExtractor youkuExtractor = new YoukuExtractor();
        Response response = Mockhelper.mockResponse(TestConstant.YOUKU_URL_1, "");
        mExpectedException.expect(IllegalStateException.class);
        youkuExtractor.createInfo(response);
    }