/*
* Hibernate Validator, declare and validate application constraints
*
* License: Apache License, Version 2.0
* See the license.txt file in the root directory or <http://www.apache.org/licenses/LICENSE-2.0>.
*/
package org.hibernate.validator.test.internal.engine.constraintvalidation;
import static org.hibernate.validator.testutil.ConstraintViolationAssert.assertCorrectConstraintViolationMessages;
import static org.hibernate.validator.testutil.ConstraintViolationAssert.assertNumberOfViolations;
import static org.hibernate.validator.testutils.ValidatorUtil.getValidator;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.validation.Constraint;
import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import javax.validation.ConstraintViolation;
import javax.validation.Payload;
import javax.validation.ValidationException;
import javax.validation.Validator;
import org.hibernate.validator.constraintvalidation.HibernateConstraintValidatorContext;
import org.hibernate.validator.engine.HibernateConstraintViolation;
import org.hibernate.validator.internal.engine.ConstraintViolationImpl;
import org.hibernate.validator.testutil.TestForIssue;
import org.testng.Assert;
import org.testng.annotations.Test;
import org.testng.collections.Lists;
/**
* @author Hardy Ferentschik
* @author Guillaume Smet
*/
public class HibernateConstraintValidatorContextTest {
private static final String QUESTION_1 = "The answer to life?";
private static final String QUESTION_2 = "What is 1+1 and what is the answer to life?";
private static final String QUESTION_3 = "This is a trick question";
private static final String QUESTION_4 = "What keywords are not allowed?";
private static final List<String> INVALID_KEYWORDS = Lists.newArrayList( "foo", "bar", "baz" );
// Message parameters
@Test
@TestForIssue(jiraKey = "HV-701")
public void testSettingCustomMessageParameter() {
Validator validator = getValidator();
Set<ConstraintViolation<MessageParameterFoo>> constraintViolations = validator.validate( new MessageParameterFoo( QUESTION_1 ) );
assertNumberOfViolations( constraintViolations, 1 );
assertCorrectConstraintViolationMessages( constraintViolations, "the answer is: 42" );
}
@Test(expectedExceptions = ValidationException.class, expectedExceptionsMessageRegExp = "HV000028.*")
@TestForIssue(jiraKey = "HV-701")
public void testSettingInvalidCustomMessageParameter() {
Validator validator = getValidator();
validator.validate( new MessageParameterFoo( "" ) );
}
@Test
@TestForIssue(jiraKey = "HV-701")
public void testCreatingMultipleConstraintViolationWithMessageParameters() {
Validator validator = getValidator();
Set<ConstraintViolation<MessageParameterFoo>> constraintViolations = validator.validate( new MessageParameterFoo( QUESTION_2 ) );
assertNumberOfViolations( constraintViolations, 2 );
assertCorrectConstraintViolationMessages( constraintViolations, "answer 1: 2", "answer 2: 42" );
}
@Test
@TestForIssue(jiraKey = "HV-701")
public void testExpressionTermAsMessageParameterValueIsTreatedAsString() {
Validator validator = getValidator();
Set<ConstraintViolation<MessageParameterFoo>> constraintViolations = validator.validate( new MessageParameterFoo( QUESTION_3 ) );
assertNumberOfViolations( constraintViolations, 1 );
assertCorrectConstraintViolationMessages( constraintViolations, "the answer is: {foo}" );
}
@Test
@TestForIssue(jiraKey = "HV-951")
public void testMessageParametersAreExposedInConstraintViolation() throws Exception {
Validator validator = getValidator();
Set<ConstraintViolation<MessageParameterFoo>> constraintViolations = validator.validate( new MessageParameterFoo( QUESTION_1 ) );
assertNumberOfViolations( constraintViolations, 1 );
ConstraintViolationImpl<MessageParameterFoo> constraintViolation = (ConstraintViolationImpl<MessageParameterFoo>) constraintViolations.iterator()
.next();
Map<String, Object> messageParameters = constraintViolation.getMessageParameters();
Assert.assertEquals( messageParameters.size(), 1 );
Assert.assertEquals( messageParameters.get( "answer" ), 42 );
}
// Expression variables
@Test
@TestForIssue(jiraKey = "HV-701")
public void testSettingCustomExpressionVariable() {
Validator validator = getValidator();
Set<ConstraintViolation<ExpressionVariableFoo>> constraintViolations = validator.validate( new ExpressionVariableFoo( QUESTION_1 ) );
assertNumberOfViolations( constraintViolations, 1 );
assertCorrectConstraintViolationMessages( constraintViolations, "the answer is: 42" );
}
@Test(expectedExceptions = ValidationException.class, expectedExceptionsMessageRegExp = "HV000028.*")
@TestForIssue(jiraKey = "HV-701")
public void testSettingInvalidCustomExpressionVariable() {
Validator validator = getValidator();
validator.validate( new ExpressionVariableFoo( "" ) );
}
@Test
@TestForIssue(jiraKey = "HV-701")
public void testCreatingMultipleConstraintViolationWithExpressionVariables() {
Validator validator = getValidator();
Set<ConstraintViolation<ExpressionVariableFoo>> constraintViolations = validator.validate( new ExpressionVariableFoo( QUESTION_2 ) );
assertNumberOfViolations( constraintViolations, 2 );
assertCorrectConstraintViolationMessages( constraintViolations, "answer 1: 2", "answer 2: 42" );
}
@Test
@TestForIssue(jiraKey = "HV-701")
public void testExpressionTermAsExpressionVariableValueIsTreatedAsString() {
Validator validator = getValidator();
Set<ConstraintViolation<ExpressionVariableFoo>> constraintViolations = validator.validate( new ExpressionVariableFoo( QUESTION_3 ) );
assertNumberOfViolations( constraintViolations, 1 );
assertCorrectConstraintViolationMessages( constraintViolations, "the answer is: ${foo}" );
}
@Test
@TestForIssue(jiraKey = "HV-951")
public void testExpressionVariablesAreExposedInConstraintViolation() throws Exception {
Validator validator = getValidator();
Set<ConstraintViolation<ExpressionVariableFoo>> constraintViolations = validator.validate( new ExpressionVariableFoo( QUESTION_1 ) );
assertNumberOfViolations( constraintViolations, 1 );
ConstraintViolationImpl<ExpressionVariableFoo> constraintViolation = (ConstraintViolationImpl<ExpressionVariableFoo>) constraintViolations.iterator()
.next();
Map<String, Object> expressionVariables = constraintViolation.getExpressionVariables();
Assert.assertEquals( expressionVariables.size(), 1 );
Assert.assertEquals( expressionVariables.get( "answer" ), 42 );
}
// Dynamic payload
@Test
@TestForIssue(jiraKey = "HV-1020")
public void testDynamicPayloadExposedInHibernateConstraintViolation() {
Validator validator = getValidator();
Set<ConstraintViolation<ExpressionVariableFoo>> constraintViolations = validator.validate( new ExpressionVariableFoo( QUESTION_4 ) );
assertNumberOfViolations( constraintViolations, 1 );
ConstraintViolation<ExpressionVariableFoo> constraintViolation = constraintViolations.iterator().next();
@SuppressWarnings("unchecked")
HibernateConstraintViolation<ExpressionVariableFoo> hibernateConstraintViolation = constraintViolation.unwrap(
HibernateConstraintViolation.class
);
Assert.assertEquals( hibernateConstraintViolation.getDynamicPayload( List.class ), INVALID_KEYWORDS );
}
@Test
@TestForIssue(jiraKey = "HV-1020")
public void testNullIsReturnedForNonExistingPayloadType() {
Validator validator = getValidator();
Set<ConstraintViolation<ExpressionVariableFoo>> constraintViolations = validator.validate( new ExpressionVariableFoo( QUESTION_4 ) );
assertNumberOfViolations( constraintViolations, 1 );
ConstraintViolation<ExpressionVariableFoo> constraintViolation = constraintViolations.iterator().next();
@SuppressWarnings("unchecked")
HibernateConstraintViolation<ExpressionVariableFoo> hibernateConstraintViolation = constraintViolation.unwrap( HibernateConstraintViolation.class );
Assert.assertNull( hibernateConstraintViolation.getDynamicPayload( String.class ) );
}
@Test
@TestForIssue(jiraKey = "HV-1164")
public void testNullIsReturnedIfPayloadIsNull() {
Validator validator = getValidator();
Set<ConstraintViolation<ExpressionVariableFoo>> constraintViolations = validator.validate( new ExpressionVariableFoo( QUESTION_1 ) );
assertNumberOfViolations( constraintViolations, 1 );
ConstraintViolation<ExpressionVariableFoo> constraintViolation = constraintViolations.iterator().next();
@SuppressWarnings("unchecked")
HibernateConstraintViolation<ExpressionVariableFoo> hibernateConstraintViolation = constraintViolation.unwrap( HibernateConstraintViolation.class );
Assert.assertNull( hibernateConstraintViolation.getDynamicPayload( Object.class ) );
}
public class MessageParameterFoo {
@MessageParameterOracleConstraint
private final String question;
public MessageParameterFoo(String question) {
this.question = question;
}
}
@Target(ElementType.FIELD)
@Retention(RetentionPolicy.RUNTIME)
@Constraint(validatedBy = MessageParameterOracleConstraintImpl.class)
public @interface MessageParameterOracleConstraint {
String message() default "the answer is: {answer}";
Class<?>[] groups() default { };
Class<? extends Payload>[] payload() default { };
}
public static class MessageParameterOracleConstraintImpl
implements ConstraintValidator<MessageParameterOracleConstraint, String> {
@Override
public boolean isValid(String question, ConstraintValidatorContext context) {
HibernateConstraintValidatorContext hibernateContext = context.unwrap( HibernateConstraintValidatorContext.class );
if ( question.equals( QUESTION_1 ) ) {
createSingleConstraintViolation( hibernateContext );
}
else if ( question.equals( QUESTION_2 ) ) {
createMultipleConstraintViolationsUpdatingMessageParameterValues( hibernateContext );
}
else if ( question.equals( QUESTION_3 ) ) {
hibernateContext.addMessageParameter( "answer", "{foo}" );
}
else if ( question.equals( QUESTION_4 ) ) {
hibernateContext.withDynamicPayload( INVALID_KEYWORDS );
}
else {
tryingToIllegallyUseNullMessageParameterName( hibernateContext );
}
// always return false to trigger constraint violation and message creation
return false;
}
private void tryingToIllegallyUseNullMessageParameterName(HibernateConstraintValidatorContext hibernateContext) {
hibernateContext.addMessageParameter( null, "foo" );
}
private void createMultipleConstraintViolationsUpdatingMessageParameterValues(HibernateConstraintValidatorContext hibernateContext) {
hibernateContext.disableDefaultConstraintViolation();
hibernateContext.addMessageParameter( "answer", 2 );
hibernateContext.buildConstraintViolationWithTemplate( "answer 1: {answer}" )
.addConstraintViolation();
// resetting the message parameters
hibernateContext.addMessageParameter( "answer", 42 );
hibernateContext.buildConstraintViolationWithTemplate( "answer 2: {answer}" )
.addConstraintViolation();
}
private void createSingleConstraintViolation(HibernateConstraintValidatorContext hibernateContext) {
hibernateContext.addMessageParameter( "answer", 42 );
}
}
public class ExpressionVariableFoo {
@ExpressionVariableOracleConstraint
private final String question;
public ExpressionVariableFoo(String question) {
this.question = question;
}
}
@Target(ElementType.FIELD)
@Retention(RetentionPolicy.RUNTIME)
@Constraint(validatedBy = ExpressionVariableOracleConstraintImpl.class)
public @interface ExpressionVariableOracleConstraint {
String message() default "${formatter.format('the answer is: %1s', answer)}";
Class<?>[] groups() default { };
Class<? extends Payload>[] payload() default { };
}
public static class ExpressionVariableOracleConstraintImpl
implements ConstraintValidator<ExpressionVariableOracleConstraint, String> {
@Override
public boolean isValid(String question, ConstraintValidatorContext context) {
HibernateConstraintValidatorContext hibernateContext = context.unwrap( HibernateConstraintValidatorContext.class );
if ( question.equals( QUESTION_1 ) ) {
createSingleConstraintViolation( hibernateContext );
}
else if ( question.equals( QUESTION_2 ) ) {
createMultipleConstraintViolationsUpdatingExpressionVariableValues( hibernateContext );
}
else if ( question.equals( QUESTION_3 ) ) {
hibernateContext.addExpressionVariable( "answer", "${foo}" );
}
else if ( question.equals( QUESTION_4 ) ) {
hibernateContext.withDynamicPayload( INVALID_KEYWORDS );
}
else {
tryingToIllegallyUseNullExpressionVariableName( hibernateContext );
}
// always return false to trigger constraint violation and message creation
return false;
}
private void tryingToIllegallyUseNullExpressionVariableName(HibernateConstraintValidatorContext hibernateContext) {
hibernateContext.addMessageParameter( null, "foo" );
}
private void createMultipleConstraintViolationsUpdatingExpressionVariableValues(HibernateConstraintValidatorContext hibernateContext) {
hibernateContext.disableDefaultConstraintViolation();
hibernateContext.addExpressionVariable( "answer", 2 );
hibernateContext.buildConstraintViolationWithTemplate( "answer 1: ${answer}" )
.addConstraintViolation();
// resetting the expression variables
hibernateContext.addExpressionVariable( "answer", 42 );
hibernateContext.buildConstraintViolationWithTemplate( "answer 2: ${answer}" )
.addConstraintViolation();
}
private void createSingleConstraintViolation(HibernateConstraintValidatorContext hibernateContext) {
hibernateContext.addExpressionVariable( "answer", 42 );
}
}
}