juplo.de Git - demos/testing/blob - src/test/java/de/juplo/demo/RemoteContentServiceTest.java

   1 package de.juplo.demo;
   2
   3
   4 import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
   5 import org.junit.jupiter.api.BeforeEach;
   6 import org.junit.jupiter.api.Test;
   7 import org.junit.jupiter.api.extension.ExtendWith;
   8 import static org.mockito.Mockito.when;
   9 import org.springframework.boot.test.mock.mockito.MockBean;
  10 import org.springframework.test.context.junit.jupiter.SpringExtension;
  11 import org.springframework.web.reactive.function.client.ClientResponse;
  12 import org.springframework.web.reactive.function.client.ExchangeFunction;
  13 import org.springframework.web.reactive.function.client.WebClient;
  14 import reactor.core.publisher.Mono;
  15
  16
  17 /**
  18  * Unit-Test for class {@link RemoteContentService}.
  19  * @author Kai Moritz
  20  */
  21 @ExtendWith(SpringExtension.class)
  22 public class RemoteContentServiceTest
  23 {
  24   RemoteContentService service;
  25
  26   @MockBean
  27   ExchangeFunction exchangeFunction;
  28   @MockBean
  29   ClientResponse clientResponse;
  30
  31
  32   @BeforeEach
  33   void setUp()
  34   {
  35     service =
  36         new RemoteContentService(
  37             WebClient
  38                 .builder()
  39                 .exchangeFunction(request -> Mono.just(clientResponse))
  40                 .build());
  41   }
  42
  43
  44   @Test
  45   void test()
  46   {
  47     Mono<String> mono = Mono.just("bar");
  48     when(clientResponse.bodyToMono(String.class)).thenReturn(mono);
  49
  50     Mono<String> result = service.getRemoteText("/foo");
  51
  52     assertThat(result.block()).isEqualTo("bar");
  53   }
  54 }