spring-mvc - Spring 测试和JsonPath问题

Question

我在测试和json路径时遇到问题

我只是想执行一个简单的测试，并检查id的值:

mockMvc.perform(get("/applications/")).andExpect(status().isOk())
       .andDo(print())
       .andExpect(content().contentType(TestUtils.APPLICATION_JSON_UTF8))
       .andExpect(jsonPath("$", hasSize(4)))
       .andExpect(jsonPath("$.id",is(1)));

但是我收到类似以下的错误。好像我的代码应该检查id值。由于返回的JSON中有多个项目，我是否不够具体？任何帮助表示赞赏。谢谢。

     Content type = application/json;charset=UTF-8
             Body = [{"id":1,"name":"test2"},{"id":2,"name":"test2"}]
   Forwarded URL = null
   Redirected URL = null
          Cookies = []

java.lang.AssertionError: No value at JSON path "$.id", exception: Expected to find an object with property ['id'] in path $ but found 'net.minidev.json.JSONArray'. This is not a json object according to the JsonProvider: 'com.jayway.jsonpath.spi.json.JsonSmartJsonProvider'.
    at org.springframework.test.util.JsonPathExpectationsHelper.evaluateJsonPath(JsonPathExpectationsHelper.java:258)
    at ...

Answer 1

发布后5分钟，我弄清楚了答案。需要更深入地研究阵列。这有效:

.andExpect(jsonPath("$.[0].id",is(1)));