BAEL-8657

Author: Wynn Teo

spring-cloud-modules/spring-cloud-openfeign-2/src/main/java/com/baeldung/cloud/openfeign/getbody/GetBodyFeignClient.java

@@ -0,0 +1,16 @@
+package com.baeldung.cloud.openfeign.getbody;
+
+import org.springframework.cloud.openfeign.FeignClient;
+import org.springframework.cloud.openfeign.SpringQueryMap;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+
+@FeignClient(name = "sampleClient", url = "http://localhost:8080")
+public interface GetBodyFeignClient {
+
+    @GetMapping("/api/search")
+    String search(@RequestBody SearchRequest searchRequest);
+
+    @GetMapping("/api/search")
+    String searchWithSpringQueryMap(@SpringQueryMap SearchRequest searchRequest);
+}

spring-cloud-modules/spring-cloud-openfeign-2/src/main/java/com/baeldung/cloud/openfeign/getbody/SearchRequest.java

@@ -0,0 +1,31 @@
+package com.baeldung.cloud.openfeign.getbody;
+
+public class SearchRequest {
+    private String keyword;
+    private String category;
+
+    public SearchRequest() {
+
+    }
+
+    public SearchRequest(String keyword, String category) {
+        this.keyword = keyword;
+        this.category = category;
+    }
+
+    public String getKeyword() {
+        return keyword;
+    }
+
+    public void setKeyword(String keyword) {
+        this.keyword = keyword;
+    }
+
+    public String getCategory() {
+        return category;
+    }
+
+    public void setCategory(String category) {
+        this.category = category;
+    }
+}

spring-cloud-modules/spring-cloud-openfeign-2/src/test/java/com/baeldung/cloud/openfeign/getbody/GetBodyFeignClientIntegrationTest.java

@@ -0,0 +1,58 @@
+package com.baeldung.cloud.openfeign.getbody;
+import com.github.tomakehurst.wiremock.WireMockServer;
+import com.github.tomakehurst.wiremock.client.WireMock;
+
+import org.junit.jupiter.api.*;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+public class GetBodyFeignClientIntegrationTest {
+
+    private static WireMockServer wireMockServer;
+
+    @Autowired
+    private GetBodyFeignClient getBodyFeignClient;
+
+    @BeforeAll
+    static void setupWireMock() {
+        wireMockServer = new WireMockServer(8080);
+        wireMockServer.start();
+
+        WireMock.configureFor("localhost", 8080);
+
+        // Stub endpoint
+        WireMock.stubFor(WireMock.get(WireMock.urlMatching("/api/search.*"))
+            .willReturn(WireMock.aResponse()
+                .withStatus(200)
+                .withBody("GET request received")));
+
+    }
+
+    @AfterAll
+    static void stopWireMock() {
+        wireMockServer.stop();
+    }
+
+    @Test
+    void givenRequestBody_whenCallGetHTTPMethod_returnException() {
+        SearchRequest request = new SearchRequest();
+        request.setKeyword("spring");
+        request.setCategory("tutorial");
+
+        Assertions.assertThrows(feign.FeignException.class, () -> {
+            getBodyFeignClient.search(request);
+        });
+    }
+
+    @Test
+    void givenRequestBody_whenUsingSpringQueryMap_thenRequestSucceeds() {
+        SearchRequest request = new SearchRequest();
+        request.setKeyword("spring");
+        request.setCategory("tutorial");
+
+        getBodyFeignClient.searchWithSpringQueryMap(request);
+
+        WireMock.verify(WireMock.getRequestedFor(WireMock.urlEqualTo("/api/search?keyword=spring&category=tutorial")));
+    }
+}