OZG-4717 Added Test for ValidationException

src/test/java/de/ozgcloud/admin/common/errorhandling/AdminExceptionHandlerITCase.java

 package de.ozgcloud.admin.common.errorhandling;
 
+import static org.assertj.core.api.Assertions.*;
 import static org.mockito.ArgumentMatchers.*;
 import static org.mockito.Mockito.*;
+import static org.springframework.security.test.web.servlet.request.SecurityMockMvcRequestPostProcessors.*;
 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;
 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;
 
 import java.util.stream.Stream;
 
 import org.junit.jupiter.api.Nested;
+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;
@@ -15,6 +18,7 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
 import org.springframework.boot.test.mock.mockito.MockBean;
 import org.springframework.http.HttpStatus;
+import org.springframework.http.MediaType;
 import org.springframework.security.test.context.support.WithMockUser;
 import org.springframework.test.web.servlet.MockMvc;
 import org.springframework.test.web.servlet.ResultActions;
@@ -69,4 +73,16 @@ public class AdminExceptionHandlerITCase {
 		}
 	}
 
+	@Nested
+	class TestConstraintViolationException {
+		@Test
+		@SneakyThrows
+		void shouldHaveInfoInBody() {
+			var result = mockMvc
+					.perform(post("/api/test-error").content("{ \"string\" : \"\" }").contentType(MediaType.APPLICATION_JSON).with(csrf()));
+
+			assertThat(result.andReturn().getResponse().getContentAsString()).contains("validatedClass.string");
+		}
+	}
+
 }

src/test/java/de/ozgcloud/admin/common/errorhandling/AdminExceptionHandlerTest.java

@@ -80,7 +80,7 @@ class AdminExceptionHandlerTest {
 
 		@SneakyThrows
 		private ResultActions doPerformWithError(Class<? extends Exception> exceptionClass) {
-			return mockMvc.perform(get("/test-error").param("errorClassName", exceptionClass.getName()));
+			return mockMvc.perform(get("/api/test-error").param("errorClassName", exceptionClass.getName()));
 		}
 	}
 

src/test/java/de/ozgcloud/admin/common/errorhandling/HelperService.java

+package de.ozgcloud.admin.common.errorhandling;
+
+import jakarta.validation.Valid;
+
+import org.springframework.stereotype.Service;
+import org.springframework.validation.annotation.Validated;
+
+@Service
+@Validated
+class HelperService {
+
+	ValidatedClass returnValidObject(@Valid ValidatedClass validatedClass) {
+		return validatedClass;
+	}
+}

src/test/java/de/ozgcloud/admin/common/errorhandling/TestErrorController.java

@@ -26,9 +26,12 @@ import java.util.Map;
 
 import jakarta.validation.ConstraintViolationException;
 
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.data.rest.webmvc.ResourceNotFoundException;
 import org.springframework.security.access.AccessDeniedException;
 import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
@@ -37,9 +40,11 @@ import de.ozgcloud.common.errorhandling.TechnicalException;
 import io.micrometer.common.lang.NonNullApi;
 
 @RestController
-@RequestMapping("/test-error")
+@RequestMapping("/api/test-error")
 @NonNullApi
 class TestErrorController {
+	@Autowired
+	private HelperService service;
 
 	@FunctionalInterface
 	interface ExceptionProducer {
@@ -61,4 +66,10 @@ class TestErrorController {
 		throw EXCEPTION_PRODUCER.get(
 				Class.forName(errorClassName)).produceException();
 	}
+
+	@PostMapping
+	public ValidatedClass postMethodName(@RequestBody ValidatedClass object) {
+		return service.returnValidObject(object);
+	}
+
 }

src/test/java/de/ozgcloud/admin/common/errorhandling/ValidatedClass.java

+package de.ozgcloud.admin.common.errorhandling;
+
+import jakarta.validation.constraints.NotEmpty;
+
+import lombok.Builder;
+import lombok.Getter;
+import lombok.extern.jackson.Jacksonized;
+
+@Getter
+@Builder
+@Jacksonized
+public class ValidatedClass {
+	@NotEmpty(message = "Empty field")
+	private String string;
+}