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When I tried to test at Spring 4.x, I used MockMvc web client, but I am reading and trying new features of Spring 5.x.
I think, WebTestClient and MockMvc are same or very similar.
What is the difference between MockMvc and WebTestClient ?
I am waiting for your answer. Thank you
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WebTestClient is a thin shell around WebClient, using it to perform requests and exposing a dedicated, fluent API for verifying responses. WebTestClient binds to a WebFlux application by using a mock request and response, or it can test any web server over an HTTP connection.
MockMvc is defined as a main entry point for server-side Spring MVC testing. Tests with MockMvc lie somewhere between between unit and integration tests.
MockMVC class is part of Spring MVC test framework which helps in testing the controllers explicitly starting a Servlet container. In this MockMVC tutorial, we will use it along with Spring boot's WebMvcTest class to execute Junit testcases which tests REST controller methods written for Spring boot 2 hateoas example.
From a technical point of view MockMvc is not thread-safe and shouldn't be reused. These setters are package private and a MockMvc instance can be acquired only through MockMvcBuilders . Hence you can't manipulte a MockMvc instance afterwards so that it is actually resuable across multiple tests.
@SpringBootTest instead of @WebFluxTest.WebClient.
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