Examples of javax.validation.Validator.validateValue()

javax.validation.Validator.validateValue()
Validates all constraints placed on the property named propertyName of the class beanType would the property value be value
ConstraintViolation objects return null for {@link ConstraintViolation#getRootBean()} and {@link ConstraintViolation#getLeafBean()} @param beanType the bean type @param propertyName property to validate @param value property value to validate @param groups group or list of groups targeted for validation(default to {@link javax.validation.groups.Default}) @return constraint violations or an empty Set if none @throws IllegalArgumentException if beanType is null,if propertyName null, empty or not a valid object property or if null is passed to the varargs groups @throws ValidationException if a non recoverable error happensduring the validation process

    Set<ConstraintViolation<Address>> constraintViolations = validator.validateValue( Address.class, "city", null );
    assertCorrectNumberOfViolations( constraintViolations, 1 );
    assertCorrectConstraintTypes( constraintViolations, NotNull.class );
    assertCorrectPropertyPaths( constraintViolations, "city" );


    constraintViolations = validator.validateValue( Address.class, "city", null, Default.class );
    assertCorrectNumberOfViolations( constraintViolations, 1 );
    assertCorrectConstraintTypes( constraintViolations, NotNull.class );
    assertCorrectPropertyPaths( constraintViolations, "city" );


    constraintViolations = validator.validateValue( Address.class, "city", null, Address.Minimal.class );

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    constraintViolations = validator.validateValue( Address.class, "city", null, Default.class );
    assertCorrectNumberOfViolations( constraintViolations, 1 );
    assertCorrectConstraintTypes( constraintViolations, NotNull.class );
    assertCorrectPropertyPaths( constraintViolations, "city" );


    constraintViolations = validator.validateValue( Address.class, "city", null, Address.Minimal.class );
    assertCorrectNumberOfViolations( constraintViolations, 0 );


    constraintViolations = validator.validateValue( Address.class, "street", null, Address.Minimal.class );
    assertCorrectNumberOfViolations( constraintViolations, 1 );
    assertCorrectConstraintTypes( constraintViolations, NotEmpty.class );

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    assertCorrectPropertyPaths( constraintViolations, "city" );


    constraintViolations = validator.validateValue( Address.class, "city", null, Address.Minimal.class );
    assertCorrectNumberOfViolations( constraintViolations, 0 );


    constraintViolations = validator.validateValue( Address.class, "street", null, Address.Minimal.class );
    assertCorrectNumberOfViolations( constraintViolations, 1 );
    assertCorrectConstraintTypes( constraintViolations, NotEmpty.class );
    assertCorrectPropertyPaths( constraintViolations, "street" );
  }
}

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  @Test
  @SpecAssertion(section = "4.1.1", id = "h")
  public void testValidateValueSuccess() {
    Validator validator = TestUtil.getValidatorUnderTest();


    Set<ConstraintViolation<Address>> constraintViolations = validator.validateValue(
        Address.class, "city", "Paris"
    );
    assertCorrectNumberOfViolations( constraintViolations, 0 );
  }

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  @Test
  @SpecAssertion(section = "4.1.1", id = "h")
  public void testValidateValueFailure() {
    Validator validator = TestUtil.getValidatorUnderTest();


    Set<ConstraintViolation<Address>> constraintViolations = validator.validateValue(
        Address.class, "city", null
    );
    assertCorrectNumberOfViolations( constraintViolations, 1 );
    assertCorrectConstraintViolationMessages( constraintViolations, "You have to specify a city." );
  }

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  @Test
  @SpecAssertion(section = "4.1.1", id = "h")
  public void testValidateValue() {
    Validator validator = TestUtil.getValidatorUnderTest();


    Set<ConstraintViolation<Order>> constraintViolations = validator.validateValue(
        Order.class, "orderNumber", null
    );
    assertCorrectNumberOfViolations( constraintViolations, 1 );
    assertCorrectPropertyPaths( constraintViolations, "orderNumber" );
    assertCorrectConstraintViolationMessages( constraintViolations, "An order must have an order number." );

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    ConstraintViolation<Order> constraintViolation = constraintViolations.iterator().next();
    assertConstraintViolation( constraintViolation, Order.class, null, "orderNumber" );
    assertEquals( constraintViolation.getRootBeanClass(), Order.class, "Wrong root bean class" );


    constraintViolations = validator.validateValue( Order.class, "orderNumber", 1234 );
    assertCorrectNumberOfViolations( constraintViolations, 0 );
  }


  @Test
  @SpecAssertion(section = "4.1.1", id = "i")

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  @SpecAssertion(section = "4.1.1", id = "i")
  public void testValidateValueWithInvalidPropertyPath() {
    Validator validator = TestUtil.getValidatorUnderTest();


    try {
      validator.validateValue( Customer.class, "foobar", null );
      fail();
    }
    catch ( IllegalArgumentException e ) {
      // success
    }

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      // success
    }


    // firstname exists, but the capitalisation is wrong
    try {
      validator.validateValue( Customer.class, "FirstName", null );
      fail();
    }
    catch ( IllegalArgumentException e ) {
      // success
    }

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  @Test
  @SpecAssertion(section = "4.1.1", id = "i")
  public void testExistingPropertyWoConstraintsNorCascaded() {
    Validator validator = TestUtil.getValidatorUnderTest();
    validator.validateValue( Customer.class, "middleName", new ArrayList<String>() );
  }


  @Test
  @SuppressWarnings("NullArgumentToVariableArgMethod")
  @SpecAssertion(section = "4.1.1", id = "i")

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