Add unit test for BeeekeeperExceptionHandler

Testing the request response and the errorResponses

beekeeper-api/src/test/java/com/expediagroup/beekeeper/api/error/BeekeeperExceptionHandlerTest.java

@@ -0,0 +1,62 @@
+/**
+ * Copyright (C) 2019-2023 Expedia, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.expediagroup.beekeeper.api.test.error;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.mock.web.MockHttpServletRequest;
+import org.springframework.data.mapping.PropertyReferenceException;
+import org.springframework.data.mapping.PropertyPath;
+import org.springframework.data.util.ClassTypeInformation;
+import org.springframework.data.util.TypeInformation;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import com.expediagroup.beekeeper.api.error.BeekeeperExceptionHandler;
+import com.expediagroup.beekeeper.api.error.ErrorResponse;
+import com.expediagroup.beekeeper.core.model.HousekeepingPath; // Import your entity class
+
+import java.util.Collections;
+import java.util.List;
+
+public class BeekeeperExceptionHandlerTest {
+
+  private final BeekeeperExceptionHandler exceptionHandler = new BeekeeperExceptionHandler();
+
+  @Test
+  public void handlePropertyReferenceException_ShouldReturnBadRequest() {
+    String propertyName = "string";
+    TypeInformation<?> typeInformation = ClassTypeInformation.from(HousekeepingPath.class);
+    List<PropertyPath> baseProperty = Collections.emptyList();
+    PropertyReferenceException exception = new PropertyReferenceException(propertyName, typeInformation, baseProperty);
+
+    MockHttpServletRequest request = new MockHttpServletRequest();
+    request.setRequestURI("/api/v1/database/testDb/table/testTable/unreferenced-paths");
+
+    ResponseEntity<ErrorResponse> response = exceptionHandler.handlePropertyReferenceException(exception, request);
+
+    assertThat(response.getStatusCode()).isEqualTo(HttpStatus.BAD_REQUEST);
+
+    ErrorResponse errorResponse = response.getBody();
+    assertThat(errorResponse).isNotNull();
+    assertThat(errorResponse.getStatus()).isEqualTo(HttpStatus.BAD_REQUEST.value());
+    assertThat(errorResponse.getError()).isEqualTo("Bad Request");
+    assertThat(errorResponse.getMessage()).contains("Invalid sort parameter");
+    assertThat(errorResponse.getPath()).isEqualTo("/api/v1/database/testDb/table/testTable/unreferenced-paths");
+    assertThat(errorResponse.getTimestamp()).isNotNull();
+  }
+}