BAEL-7142, finilize the pr, refresh test cases

spring-ai/src/main/java/com/baeldung/spring/ai/dto/PoetryDto.java

@@ -1,3 +1,3 @@
 package com.baeldung.spring.ai.dto;
 
-public record PoetryDto (String title, String poetry){}
+public record PoetryDto (String title, String poetry, String genre, String theme){}

spring-ai/src/main/java/com/baeldung/spring/ai/service/impl/PoetryServiceImpl.java

@@ -14,7 +14,9 @@ import org.springframework.web.bind.annotation.GetMapping;
 @Service
 public class PoetryServiceImpl implements PoetryService {
 
-    public static final String WRITE_ME_HAIKU_ABOUT_CAT = "Write me Haiku about cat, haiku should contain word cat";
+    public static final String WRITE_ME_HAIKU_ABOUT_CAT = """
+           Write me Haiku about cat,
+           haiku should start with the word cat obligatory""";
     private final AiClient aiClient;
 
     @Autowired

spring-ai/src/main/java/com/baeldung/spring/ai/web/ExceptionTranslator.java

@@ -7,13 +7,21 @@ import org.springframework.web.bind.annotation.ExceptionHandler;
 import org.springframework.web.bind.annotation.RestControllerAdvice;
 import org.springframework.web.servlet.mvc.method.annotation.ResponseEntityExceptionHandler;
 
+import java.util.Optional;
+
 @RestControllerAdvice
 public class ExceptionTranslator extends ResponseEntityExceptionHandler {
 
+    public static final String OPEN_AI_CLIENT_RAISED_EXCEPTION = "Open AI client raised exception";
+
     @ExceptionHandler(OpenAiHttpException.class)
-    ProblemDetail handleOpenAiHttpException(OpenAiHttpException ex){
+    ProblemDetail handleOpenAiHttpException(OpenAiHttpException ex) {
-        ProblemDetail problemDetail = ProblemDetail.forStatusAndDetail(HttpStatus.BAD_REQUEST, ex.getMessage());
+        HttpStatus status = Optional
-        problemDetail.setTitle("Open AI client raised exception");
+                .ofNullable(HttpStatus.resolve(ex.statusCode))
+                .orElse(HttpStatus.BAD_REQUEST);
+
+        ProblemDetail problemDetail = ProblemDetail.forStatusAndDetail(status, ex.getMessage());
+        problemDetail.setTitle(OPEN_AI_CLIENT_RAISED_EXCEPTION);
         return problemDetail;
     }
 }

spring-ai/src/test/java/com/baeldung/spring/ai/web/ExceptionTranslatorIntegrationTest.java

@@ -0,0 +1,45 @@
+package com.baeldung.spring.ai.web;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.ai.client.AiClient;
+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.context.DynamicPropertyRegistry;
+import org.springframework.test.context.DynamicPropertySource;
+import org.springframework.test.context.junit4.SpringRunner;
+import org.springframework.test.web.servlet.MockMvc;
+
+import static java.lang.String.format;
+import static org.hamcrest.Matchers.containsStringIgnoringCase;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;
+
+@AutoConfigureMockMvc
+@RunWith(SpringRunner.class)
+@SpringBootTest
+public class ExceptionTranslatorIntegrationTest {
+
+    @Autowired
+    private MockMvc mockMvc;
+
+    @Autowired
+    private ObjectMapper objectMapper;
+
+    @Autowired
+    private AiClient aiClient;
+
+    @DynamicPropertySource
+    static void setupTestcontainerProperties(DynamicPropertyRegistry registry) {
+        registry.add("spring.ai.openai.api-key", () -> "incorrect_token");
+    }
+
+    @Test
+    public void givenGetCatHaiku_whenCallingAiClientWithIncorrectToken_thenUnauthorized() throws Exception {
+        mockMvc.perform(get("/ai/cathaiku"))
+                .andExpect(status().isUnauthorized())
+                .andExpect(jsonPath("$.title").value(ExceptionTranslator.OPEN_AI_CLIENT_RAISED_EXCEPTION));
+    }
+}

spring-ai/src/test/java/com/baeldung/spring/ai/web/PoetryControllerIntegrationTest.java

@@ -11,9 +11,8 @@ import org.springframework.test.context.junit4.SpringRunner;
 import org.springframework.test.web.servlet.MockMvc;
 
 import static org.hamcrest.Matchers.*;
-import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;
-import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;
 
 @AutoConfigureMockMvc
 @RunWith(SpringRunner.class)
@@ -30,9 +29,21 @@ public class PoetryControllerIntegrationTest {
     private AiClient aiClient;
 
     @Test
-    public void getCatHaikuTest() throws Exception {
+    public void givenGetCatHaiku_whenCallingAiClient_thenCorrect() throws Exception {
         mockMvc.perform(get("/ai/cathaiku"))
                 .andExpect(status().isOk())
                 .andExpect(content().string(containsStringIgnoringCase("cat")));
     }
+
+    @Test
+    public void givenGetPoetryWithGenreAndTheme_whenCallingAiClient_thenCorrect() throws Exception {
+        String genre = "lyric";
+        String theme = "coffee";
+        mockMvc.perform(get("/ai/poetry?genre={genre}&theme={theme}", genre, theme))
+                .andExpect(status().isOk())
+                .andExpect(jsonPath("$.genre").value(containsStringIgnoringCase(genre)))
+                .andExpect(jsonPath("$.theme").value(containsStringIgnoringCase(theme)))
+                .andExpect(jsonPath("$.poetry").isNotEmpty())
+                .andExpect(jsonPath("$.title").exists());
+    }
 }