CODEWITHSUNDEEP
javaspringspring-bootrestrest-client
y07k2
y07k2

Reputation: 2052

Spring Boot web RestClient test

I got implementation like this:

@Service
class AbcService {

private final RestClient client;

  public AbcService(@Value("url") final String url) {
    this.restClient = RestClient.builder().baseUrl(url).build();
  }

  String getPlace(String id) {
    return restClient.get()
      .uri("places/{id}", id)
      .retrieve()
      .body(AbcResponse.class);
  }

  record AbcResponse(String id, boolean flag) {}
}

and I tried test with MockRestServiceServer but it doesn't work for me - I have error

java.lang.IllegalStateException: Unable to use auto-configured MockRestServiceServer since a mock server customizer has not been bound to a RestTemplate or RestClient

test

@RestClientTest(AbcService.class)
class AbcServiceTest {
  @Autowired
  AbcService instance;

  @Autowired
  MockRestServiceServer server;

  @BeforeEach
  void setup() {
    System.setProperty("url", "server123");
  }

  @Test
  void test() {
    server
      .expect(requestTo("places/id1"))
      .andRespond(withSuccess(new AbcResponse("string", true), APPLICATION_JSON));

    assertEquals(new AbcResponse("string", true), instance.getPlace("id1"));
  }
}

Can you help me with that?

Upvotes: 0

Views: 72

Answers (1)

Shahid Hussain
Shahid Hussain

Reputation: 68

I would suggest to create a bean for RestClient client; When spring load bean properly while starting the app.

@Bean 
RestClient client() {
return RestClient.builder().baseUrl(url).build();
}

and use the bean in service directly instead of setting the url in service class

Upvotes: 1

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