/**
* Validates the Bean Validation constraints specified at the parameters and/or return value of
* the intercepted constructor.
*
* @param ctx The context of the intercepted constructor invocation.
* @throws Exception Any exception caused by the intercepted constructor invocation. A {@link
* ConstraintViolationException} in case at least one constraint violation occurred either
* during parameter or return value validation.
*/
@AroundConstruct
public void validateConstructorInvocation(InvocationContext ctx) throws Exception {
ExecutableValidator executableValidator = validator.forExecutables();
Set<? extends ConstraintViolation<?>> violations =
executableValidator.validateConstructorParameters(
ctx.getConstructor(), ctx.getParameters());
if (!violations.isEmpty()) {
throw new ConstraintViolationException(
getMessage(ctx.getConstructor(), ctx.getParameters(), violations), violations);
}
ctx.proceed();
Object createdObject = ctx.getTarget();
violations =
validator
.forExecutables()
.validateConstructorReturnValue(ctx.getConstructor(), createdObject);
if (!violations.isEmpty()) {
throw new ConstraintViolationException(
getMessage(ctx.getConstructor(), ctx.getParameters(), violations), violations);
}
}
@Test
public void shouldValidateParameterScriptAssertConstraintOnConstructor() throws Exception {
ExecutableValidator executableValidator = getValidator().forExecutables();
Constructor<?> constructor = CalendarServiceImpl.class.getConstructor(String.class);
Object[] parameterValues = new Object[] {"Foo"};
Set<ConstraintViolation<Object>> violations =
executableValidator.validateConstructorParameters(constructor, parameterValues);
assertCorrectConstraintViolationMessages(
violations, "script expression \"arg0.size() > 3\" didn't evaluate to true");
}
@Test
public void shouldRaiseConstraintsViolationCauseTitleAndPriceNull() throws NoSuchMethodException {
ExecutableValidator methodValidator = validator.forExecutables();
Constructor<Book03> constructor =
Book03.class.getConstructor(
String.class, Float.class, String.class, String.class, Integer.class, Boolean.class);
Set<ConstraintViolation<Book03>> violations =
methodValidator.validateConstructorParameters(
constructor, new Object[] {null, null, null, null, null, null});
displayContraintViolations(violations);
assertEquals(2, violations.size());
}
@Test
public void shouldRaiseNoConstraintViolation() throws NoSuchMethodException {
ExecutableValidator methodValidator = validator.forExecutables();
Constructor<Book03> constructor =
Book03.class.getConstructor(
String.class, Float.class, String.class, String.class, Integer.class, Boolean.class);
Set<ConstraintViolation<Book03>> violations =
methodValidator.validateConstructorParameters(
constructor,
new Object[] {"H2G2", 12.5f, "Best IT Scifi Book", "1234-4566-9876", 247, false});
assertEquals(0, violations.size());
}
@Test(expected = ConstraintDeclarationException.class)
public void illegalParameterConstraintsInParallelTypes() throws Exception {
RacingCar object = new RacingCar();
Method method = Car.class.getMethod("drive", int.class);
Object[] parameterValues = {};
executableValidator.validateParameters(object, method, parameterValues);
}
@Test
public void shouldUseParanamerProviderDuringValidation() throws Exception {
ExecutableValidator executableValidator =
getConfiguration()
.parameterNameProvider(
new ParanamerParameterNameProvider(new CustomAnnotationParanamer()))
.buildValidatorFactory()
.getValidator()
.forExecutables();
Object object = new ComputerGame("Giovanni Brothers");
Method method = ComputerGame.class.getMethod("pauseGame", int.class);
Object[] parameterValues = new Object[] {-2};
Set<ConstraintViolation<Object>> violations =
executableValidator.validateParameters(object, method, parameterValues);
assertCorrectPropertyPaths(violations, "pauseGame.durationInSeconds");
}
/**
* Validates the Bean Validation constraints specified at the parameters and/or return value of
* the intercepted method.
*
* @param ctx The context of the intercepted method invocation.
* @return The result of the method invocation.
* @throws Exception Any exception caused by the intercepted method invocation. A {@link
* ConstraintViolationException} in case at least one constraint violation occurred either
* during parameter or return value validation.
*/
@AroundInvoke
public Object validateMethodInvocation(InvocationContext ctx) throws Exception {
ExecutableValidator executableValidator = validator.forExecutables();
Set<ConstraintViolation<Object>> violations =
executableValidator.validateParameters(
ctx.getTarget(), ctx.getMethod(), ctx.getParameters());
if (!violations.isEmpty()) {
throw new ConstraintViolationException(
getMessage(ctx.getMethod(), ctx.getParameters(), violations), violations);
}
Object result = ctx.proceed();
violations = executableValidator.validateReturnValue(ctx.getTarget(), ctx.getMethod(), result);
if (!violations.isEmpty()) {
throw new ConstraintViolationException(
getMessage(ctx.getMethod(), ctx.getParameters(), violations), violations);
}
return result;
}