如何在spring boot ..中编写Rest API的测试用例？

Question

我想编写其余API方法的测试用例，请在这方面帮助我

@RequestMapping(value = "/v0.1/getFySectionDetails", method = RequestMethod.POST)
public ResponseEntity<?> getFySectionDetails(@RequestBody GstServicesRequestModel gstServicesRequestModel) {
    String gstin = gstServicesRequestModel.getGstin();
    BigInteger reportId = gstServicesRequestModel.getReportId();
    logger.info("Gstin, ReportID : "+gstin+", "+reportId);
    CalculationsVO calculationsVo = gstr1DataHandler.getFySectionDetails(gstin, reportId, null, null, null, null, null, null);
    return new ResponseEntity<CalculationsVO>(calculationsVo, HttpStatus.OK);
}

我不清楚如何为它编写一个JUnit测试用例。

尝试过但是没用：

    @Test
    public void getFyMonthlyPurchases() throws Exception {
        String requestBody = "{\"gstin\":\"03AAFFJ4844C1ZS\",\"reportId\":\"20190212122427308\"}";
        mockMvc.perform(post("/gstr1dh/services/v0.1/getFySectionDetails")
                .contentType(PageAttributes.MediaType.APPLICATION_JSON)
                .content(requestBody))
                .andExpect(status()
                        .isOk())
                .andExpect(jsonPath("$", Matchers.hasSize(1)));
    }