test: Add error handling tests for PriceControllerAdapter

infrastructure/in/rest-api/src/test/java/com/techivw/webprice/infrastructure/in/controllers/adapters/PriceControllerAdapterTest.java

@@ -1,12 +1,16 @@
 package com.techivw.webprice.infrastructure.in.controllers.adapters;
 
+import com.techivw.webprice.application.exceptions.NotFoundException;
 import com.techivw.webprice.application.ports.in.PriceServicePort;
 import com.techivw.webprice.domain.Price;
+import com.techivw.webprice.infrastructure.in.controllers.handlers.AdapterExceptionHandler;
+import org.junit.jupiter.api.Test;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.Arguments;
 import org.junit.jupiter.params.provider.MethodSource;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
+import org.springframework.context.annotation.Import;
 import org.springframework.test.context.ActiveProfiles;
 import org.springframework.test.context.ContextConfiguration;
 import org.springframework.test.context.bean.override.mockito.MockitoBean;
@@ -23,6 +27,7 @@ import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.
 
 @WebMvcTest
 @ContextConfiguration(classes = PriceControllerAdapter.class)
+@Import(AdapterExceptionHandler.class)
 @ActiveProfiles("test")
 public class PriceControllerAdapterTest {
 
@@ -35,8 +40,71 @@ public class PriceControllerAdapterTest {
     private static final Long PRODUCT_ID = 35455L;
     private static final Long BRAND_ID = 1L;
 
+    @Test
+    void testNotFound() throws Exception {
+        LocalDateTime date = LocalDateTime.parse("2020-06-14T10:00:00");
+
+        when(priceServicePort.getPriceWithHighestPriorityByDateTimeAndProductIdAndBrandId(date, PRODUCT_ID, BRAND_ID))
+                .thenThrow(new NotFoundException(""));
+
+        mockMvc.perform(get("/price")
+                        .param("dateTime", date.toString())
+                        .param("productId", String.valueOf(PRODUCT_ID))
+                        .param("brandId", String.valueOf(BRAND_ID)))
+                .andExpect(status().isNotFound())
+                .andExpect(jsonPath("$.status").value(404))
+                .andExpect(jsonPath("$.error").value("Not Found"));
+    }
+
+    @Test
+    void testMissingParameter() throws Exception {
+        mockMvc.perform(get("/price")
+                        .param("productId", String.valueOf(PRODUCT_ID))
+                        .param("brandId", String.valueOf(BRAND_ID)))
+                .andExpect(status().isBadRequest())
+                .andExpect(jsonPath("$.status").value(400))
+                .andExpect(jsonPath("$.error").value("Bad Request"))
+                .andExpect(jsonPath("$.message").value("Required parameter 'dateTime' is missing"));
+    }
+
+    @Test
+    void testInvalidDateFormat() throws Exception {
+        mockMvc.perform(get("/price")
+                        .param("dateTime", "2020-06T17:00")
+                        .param("productId", String.valueOf(PRODUCT_ID))
+                        .param("brandId", String.valueOf(BRAND_ID)))
+                .andExpect(status().isBadRequest())
+                .andExpect(jsonPath("$.status").value(400))
+                .andExpect(jsonPath("$.error").value("Bad Request"))
+                .andExpect(jsonPath("$.message").value("Parameter 'dateTime' has invalid format."));
+    }
+
+    @Test
+    void testInvalidProductIdFormat() throws Exception {
+        mockMvc.perform(get("/price")
+                        .param("dateTime", "2020-06-14T10:00:00")
+                        .param("productId", "testNaN")
+                        .param("brandId", String.valueOf(BRAND_ID)))
+                .andExpect(status().isBadRequest())
+                .andExpect(jsonPath("$.status").value(400))
+                .andExpect(jsonPath("$.error").value("Bad Request"))
+                .andExpect(jsonPath("$.message").value("Parameter 'productId' has invalid format."));
+    }
+
+    @Test
+    void testInvalidBrandIdFormat() throws Exception {
+        mockMvc.perform(get("/price")
+                        .param("dateTime", "2020-06-14T10:00:00")
+                        .param("productId", String.valueOf(PRODUCT_ID))
+                        .param("brandId", "not-a-number"))  // Invalid brandId format
+                .andExpect(status().isBadRequest())
+                .andExpect(jsonPath("$.status").value(400))
+                .andExpect(jsonPath("$.error").value("Bad Request"))
+                .andExpect(jsonPath("$.message").value("Parameter 'brandId' has invalid format."));
+    }
+
     @ParameterizedTest
-    @MethodSource("testCases")
+    @MethodSource("successfulTestCases")
     void testGetPrice(String testName, String dateTime, double expectedPrice) throws Exception {
         LocalDateTime date = LocalDateTime.parse(dateTime);
 
@@ -52,7 +120,7 @@ public class PriceControllerAdapterTest {
                 .andExpect(jsonPath("$.price").value(expectedPrice));
     }
 
-    private static Stream<Arguments> testCases() {
+    private static Stream<Arguments> successfulTestCases() {
         return Stream.of(
                 Arguments.of("Test 1", "2020-06-14T10:00:00", 35.50),
                 Arguments.of("Test 2", "2020-06-14T16:00:00", 25.45),