Is it possible to use MockMvc and mock only the RestTemplate used by my service? - spring-boot

Question

I'm trying to build one integration test using MockMvc and I want to mock only the RestTemplate used by MyService.java. If I uncomment the code on MyIT.java, this test will fail because the RestTemplate used by MockMvc will be mocked as well.
MyRest.java
#RestController
public class MyRest {
#Autowired
private MyService myService;
#RequestMapping(value = "go", method = RequestMethod.GET)
#ResponseBody
public ResponseEntity<String> go() throws IOException {
myService.go();
return new ResponseEntity<>("", HttpStatus.OK);
}
}
MyService.java
#Service
public class MyService {
#Autowired
private RestTemplate restTemplate;
#Bean
public RestTemplate restTemplate(RestTemplateBuilder builder) {
return builder.build();
}
public void go() {
restTemplate.getForObject("http://md5.jsontest.com/?text=a", String.class);
}
}
MyIT.java
#RunWith(SpringRunner.class)
#SpringBootTest(classes = Application.class)
#AutoConfigureMockMvc
//#RestClientTest(MyService.class)
public class MyIT {
#Autowired
private MockMvc mockMvc;
// #Autowired
// private MockRestServiceServer mockRestServiceServer;
#Test
public void shouldGo() throws Exception {
// mockRestServiceServer.expect(requestTo("http://md5.jsontest.com/?text=a"))
// .andRespond(withSuccess());
mockMvc.perform(get("/go")).andExpect(status().isOk());
}
}

Answer 1

First, you should #Autowired your RestTemplate bean to your test
class.
Then create the MockRestServiceServer with the restTemplate, instead of
autowiring it.
Perhaps try this one:
#Autowired
private RestTemplate restTemplate;
private MockRestServiceServer mockRestServiceServer;
#Before
public void setup() {
mockRestServiceServer= MockRestServiceServer.createServer(restTemplate);
}