sample test

/*
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######### IF YOU FOUND THIS GIST USEFUL, PLEASE LEAVE A STAR. THANKS. ############
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*/

@RunWith(SpringRunner.class)
@WebFluxTest(controllers = {GreetingController.class})
@Import({WebSecurityConfiguration.class, TenantService.class, CacheConfiguration.class})
@ActiveProfiles(Application.Profiles.TEST)
@AutoConfigureWireMock(port = 0)
public class GreetingControllerTest {

  private static final String TENANT_ALIAS = "foo";
  private static final String TENANT_ID = "x-foo";

  @MockBean
  private GreetService greetService;

  @Autowired
  private WebTestClient webTestClient;

  @BeforeClass
  public static void setup() {
    TestUtil.mockOAuthClientTokenResponse();
  }

  @Test
  public void test_greetApi() throws JsonProcessingException {
    Mockito.when(greetService.greet()).thenReturn(Mono.just("hello"));
    Tenant tenant = new Tenant(TENANT_ID, TENANT_ALIAS);
    stubFor(get(urlEqualTo("/tenantApi?alias=" + TENANT_ALIAS))
        .willReturn(aResponse()
            .withStatus(200)
            .withHeader("Content-Type", MediaType.APPLICATION_JSON_VALUE)
            .withBody(new ObjectMapper().writeValueAsString(Collections.singletonList(tenant)))));

    webTestClient
        .mutateWith(mockOidcLogin().authorities(new SimpleGrantedAuthority("SCOPE_greet")))
        .get()
        .uri(....greet api....)
        .exchange()
        .expectStatus().isOk()
        .expectBody(String.class).isEqualTo("hello");
  }
}

Spring WebFluxTest Sample1.md

An example demonstrating usage of Spring's @WebFluxTest in Junit Tests

testutil

public final class TestUtil {
  private static final String MOCK_TOKEN_RESPONSE = "{\n" +
      "  \"access_token\": \"eyJhbG\",\n" +
      "  \"expires_in\": 600,\n" +
      "  \"refresh_expires_in\": 1800,\n" +
      "  \"refresh_token\": \"eyJhbGc\",\n" +
      "  \"token_type\": \"bearer\",\n" +
      "  \"not-before-policy\": 0,\n" +
      "  \"session_state\": \"9de04c8c-1790-4336-b77a-b9b14c20d7c3\",\n" +
      "  \"scope\": \"greet\"\n" +
      "}";

  private TestUtil() {

  }

  public static void mockOAuthClientTokenResponse() {
    stubFor(post(urlEqualTo("/.well-known/token"))
        .willReturn(aResponse()
            .withStatus(200)
            .withHeader("Content-Type", MediaType.APPLICATION_JSON_VALUE)
            .withBody(MOCK_TOKEN_RESPONSE)));
  }
}