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<Author>> iv = v.validateProperty(author, propPath);
        Assert.assertEquals(1, iv.size());
        country.setISO2Code("23");
        iv = v.validateProperty(author, propPath);
        Assert.assertEquals(0, iv.size());
        iv = v.validateValue(Author.class, propPath, "345");
        Assert.assertEquals(1, iv.size());
        iv = v.validateValue(Author.class, propPath, "34");
        Assert.assertEquals(0, iv.size());
    }

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        country.setISO2Code("23");
        iv = v.validateProperty(author, propPath);
        Assert.assertEquals(0, iv.size());
        iv = v.validateValue(Author.class, propPath, "345");
        Assert.assertEquals(1, iv.size());
        iv = v.validateValue(Author.class, propPath, "34");
        Assert.assertEquals(0, iv.size());
    }


    public void testMetadataAPI() {
        Validator bookValidator = getValidator();

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     * <code>null</code> class.
     */
    public void testValidateValueOnNullClass() {
        Validator validator = getValidator();
        try {
            validator.validateValue(null, "class", Object.class);
            Assert.fail("No exception thrown when passing null as group array");
        } catch (IllegalArgumentException e) {
            // Correct
        }
    }

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    public void testValidateValueInvalidPropertyName() {
        Validator validator = getValidator();


        // Null propertyName
        try {
            validator.validateValue(Person.class, null, "John");
        } catch (IllegalArgumentException e) {
            // Correct
        }


        // Empty propertyName

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            // Correct
        }


        // Empty propertyName
        try {
            validator.validateValue(Person.class, "", "John");
        } catch (IllegalArgumentException e) {
            // Correct
        }


        // Invalid propertyName

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            // Correct
        }


        // Invalid propertyName
        try {
            validator.validateValue(Person.class, "unexistant", "John");
        } catch (IllegalArgumentException e) {
            // Correct
        }
    }

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     */
    public void testValidateValueNullGroup() {
        Validator validator = getValidator();
        try {
            Class<?>[] groups = null;
            validator.validateValue(Person.class, "name", "John", groups);
            Assert.fail("No exception thrown when passing null as group array");
        } catch (IllegalArgumentException e) {
            // Correct
        }
    }

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    }


    public void testValidateValue() {
        Validator validator = getValidator();
        assertTrue(
              validator.validateValue(Book.class, "subtitle", "123456789098765432").isEmpty());
        assertFalse(validator.validateValue(Book.class, "subtitle",
              "123456789098765432123412345678909876543212341234564567890987654321234",
              Second.class).isEmpty());
        // tests for issue 22: validation of a field without any constraints 
        assertEquals(0, validator.validateValue(Book.class, "unconstraintField", 4).size());

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    public void testValidateValue() {
        Validator validator = getValidator();
        assertTrue(
              validator.validateValue(Book.class, "subtitle", "123456789098765432").isEmpty());
        assertFalse(validator.validateValue(Book.class, "subtitle",
              "123456789098765432123412345678909876543212341234564567890987654321234",
              Second.class).isEmpty());
        // tests for issue 22: validation of a field without any constraints 
        assertEquals(0, validator.validateValue(Book.class, "unconstraintField", 4).size());
        // tests for issue 22: validation of unknown field cause ValidationException

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              validator.validateValue(Book.class, "subtitle", "123456789098765432").isEmpty());
        assertFalse(validator.validateValue(Book.class, "subtitle",
              "123456789098765432123412345678909876543212341234564567890987654321234",
              Second.class).isEmpty());
        // tests for issue 22: validation of a field without any constraints 
        assertEquals(0, validator.validateValue(Book.class, "unconstraintField", 4).size());
        // tests for issue 22: validation of unknown field cause ValidationException
        try {
            validator.validateValue(Book.class, "unknownProperty", 4);
            fail("unknownProperty not detected");
        } catch (IllegalArgumentException ex) {

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