ConstraintViolationExceptionHandlerTest.java

/**
 * 
 */
package org.minnal.validation.exception;

import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
import static org.testng.Assert.assertEquals;

import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.validation.ConstraintViolation;
import javax.validation.ConstraintViolationException;
import javax.validation.Path;
import javax.ws.rs.core.Response;

import org.minnal.validation.FieldError;
import org.testng.annotations.Test;

import com.google.common.collect.Sets;

/**
 * @author ganeshs
 * 
 */
public class ConstraintViolationExceptionHandlerTest {

	@Test
	public void shouldHandleException() {
		ConstraintViolation<?> violation = mock(ConstraintViolation.class);
		Path path = mock(Path.class);
		when(path.toString()).thenReturn("dummyField");
		when(violation.getPropertyPath()).thenReturn(path);
		when(violation.getMessage()).thenReturn("dummy message");
		when(violation.getInvalidValue()).thenReturn("dummy");
		ConstraintViolationException exception = new ConstraintViolationException(Sets.newHashSet(violation));
		ConstraintViolationExceptionHandler handler = new ConstraintViolationExceptionHandler();
		Response response = handler.toResponse(exception);
		Map<String, List<FieldError>> message = new HashMap<String, List<FieldError>>();
		message.put("fieldErrors", Arrays.asList(new FieldError("dummy_field", "dummy message", "dummy")));
		assertEquals(response.getEntity(), message);
		assertEquals(response.getStatus(), 422);
	}
}