Spring Webflux，测试`ServerResponse` [英] Spring webflux, testing `ServerResponse`

问题描述

如何测试接收ServerRequest并返回Mono<ServerResponse>的 handler 方法?

How can I test a handler method that receive ServerRequest and return Mono<ServerResponse> ?

我可以通过org.springframework.mock.web.reactive.function.server.MockServerRequest.builder()创建一个ServerRequest.并在ServerResponse.statusCode()上断言.但是，我想测试此ServerResponse的正文，但无法提取它.

I can create a ServerRequest via org.springframework.mock.web.reactive.function.server.MockServerRequest.builder(). And assert on the ServerResponse.statusCode(). However I would like to test the body of this ServerResponse but there is no way to extract it.

ServerResponse response = target.search(MockServerRequest.builder()
    .method(HttpMethod.GET)
    .build()
  ).block();

assertThat(response.statusCode()).isEqualTo(HttpStatus.OK);
//assertThat(response.body()).isNotNull();

我不想用WebTestClient做更广泛的测试，我想用单元测试来测试所有可能的响应情况.

I don't want to do a broader test with the WebTestClient, I would like to test all possible cases of response with unit tests.

谢谢

推荐答案

因此，看来最好的解决方案是使用WebTestClient.但是，可以在没有运行服务器的情况下使用此服务器.

So, it seems that the best solution is to use the WebTestClient. However this one can be used without a running server;

spring-test模块包含一个WebTestClient，可用于测试具有或不具有运行服务器的WebFlux服务器端点 .

The spring-test module includes a WebTestClient that can be used to test WebFlux server endpoints with or without a running server.

- https://docs.spring.io/spring/docs/5.0.0.BUILD-SNAPSHOT/spring-framework-reference/html/web-reactive.html#web-reactive-tests

诀窍是使用bindTo..()构建器方法.就我而言，bindToRouterFunction(new MyRouter(new MyHandler()))效果很好

The trick is to use the bindTo..() builder method. In my case bindToRouterFunction(new MyRouter(new MyHandler())) works well

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