在HttpServletRequest上下文之外测试Spring Boot WebClient

import org.junit.jupiter.api.Test;
import org.mockserver.client.MockServerClient;
import org.mockserver.integration.ClientAndServer;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.http.HttpMethod;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.web.reactive.function.client.WebClient;
import reactor.core.publisher.Mono;

import static org.mockserver.model.HttpRequest.request;
import static org.mockserver.model.HttpResponse.response;
import static org.junit.jupiter.api.Assertions.assertEquals;

@SpringBootTest
public class WebClientTest {

    @Test
    public void testWebClient() {
        // 创建MockServer实例
        ClientAndServer mockServer = ClientAndServer.startClientAndServer(8080);

        // 配置MockServer的行为和响应
        new MockServerClient("localhost", 8080)
                .when(
                        request()
                                .withMethod(HttpMethod.GET.name())
                                .withPath("/api/data")
                )
                .respond(
                        response()
                                .withStatusCode(HttpStatus.OK.value())
                                .withHeader("Content-Type", MediaType.APPLICATION_JSON_VALUE)
                                .withBody("{\"message\": \"Hello, World!\"}")
                );

        // 创建WebClient实例
        WebClient webClient = WebClient.builder()
                .baseUrl("http://localhost:8080")
                .build();

        // 发送HTTP请求并获取响应
        Mono<String> response = webClient.get()
                .uri("/api/data")
                .retrieve()
                .bodyToMono(String.class);

        // 验证响应结果
        assertEquals("{\"message\": \"Hello, World!\"}", response.block());

        // 停止MockServer
        mockServer.stop();
    }
}