Add JsonUnwrapped

Author: Subhransu-De

src/main/java/dev/subhransu/fasterxmljacksonexamples/JsonUnwrapped/JsonUnwrappedExample.java

@@ -0,0 +1,17 @@
+package dev.subhransu.fasterxmljacksonexamples.JsonUnwrapped;
+
+import com.fasterxml.jackson.annotation.JsonUnwrapped;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+record JsonUnwrappedExample(String name, @JsonUnwrapped Address address) {}
+
+record Address(String street, String city) {}
+
+@RestController
+class JsonUnwrappedExampleController {
+  @GetMapping("/json-unwrapped")
+  public JsonUnwrappedExample getJsonUnwrapped() {
+    return new JsonUnwrappedExample("A good name", new Address("A nice street", "A peaceful city"));
+  }
+}

src/test/java/dev/subhransu/fasterxmljacksonexamples/JsonUnwrapped/JsonUnwrappedExampleControllerTest.java

@@ -0,0 +1,28 @@
+package dev.subhransu.fasterxmljacksonexamples.JsonUnwrapped;
+
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.web.servlet.MockMvc;
+
+@SpringBootTest
+@AutoConfigureMockMvc
+class JsonUnwrappedExampleControllerTest {
+
+  @Autowired private MockMvc mockMvc;
+
+  @Test
+  void getJsonUnwrapped() throws Exception {
+    mockMvc
+        .perform(get("/json-unwrapped"))
+        .andExpect(status().isOk())
+        .andExpect(jsonPath("$.name").value("A good name"))
+        .andExpect(jsonPath("$.street").value("A nice street"))
+        .andExpect(jsonPath("$.city").value("A peaceful city"));
+  }
+}