Examples of javax.validation.Validator

javax.validation.Validator
Validate bean instances. Implementations of this interface must be thread-safe. @author Emmanuel Bernard @author Hardy Ferentschik

     * Checks that an {@link IllegalArgumentException} is thrown when passing
     * <code>null</code> as group array in a
     * {@link Validator#validateProperty(Object, String, Class...)} call.
     */
    public void testValidatePropertyNullGroup() {
        Validator validator = getValidator();
        try {
            Class<?>[] groups = null;
            validator.validateProperty(new Person(), "name", groups);
            Assert.fail("No exception thrown when passing null as group array");
        } catch (IllegalArgumentException e) {
            // Correct
        }
    }

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     * Checks that an {@link IllegalArgumentException} is thrown when calling
     * {@link Validator#validateValue(Class, String, Object, Class...)} with a
     * <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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     * Checks that an {@link IllegalArgumentException} is thrown when passing an
     * invalid property name to
     * {@link Validator#validateValue(Class, String, Object, Class...)}.
     */
    public void testValidateValueInvalidPropertyName() {
        Validator validator = getValidator();


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


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


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

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     * Checks that an {@link IllegalArgumentException} is thrown when calling
     * {@link Validator#validateValue(Class, String, Object, Class...)} with a
     * <code>null</code> group array.
     */
    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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     * Checks that an {@link IllegalArgumentException} is thrown when calling
     * {@link BeanDescriptor#getConstraintsForProperty(String)} with an invalid
     * property name.
     */
    public void testGetConstraintsForInvalidProperty() {
        Validator validator = getValidator();
        BeanDescriptor personDescriptor = validator.getConstraintsForClass(Person.class);
        
        try {
            personDescriptor.getConstraintsForProperty(null);
            fail("No exception thrown when calling getConstraintsForProperty with null property");
        } catch (IllegalArgumentException e) {

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    public static Test suite() {
        return new TestSuite(MethodValidatorImplTest.class);
    }


    public void testUnwrap() {
        Validator v = getValidator();
        ClassValidator cv = v.unwrap(ClassValidator.class);
        assertTrue(v == cv);
        assertTrue(v == v.unwrap(Validator.class));
        MethodValidatorImpl mvi = v.unwrap(MethodValidatorImpl.class);
        assertNotNull(mvi);
        MethodValidator mv = v.unwrap(MethodValidator.class);
        assertNotNull(mv);
        assertTrue(mv == mv.unwrap(MethodValidatorImpl.class));
        assertTrue(mv == mv.unwrap(ClassValidator.class));
    }

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        ValidatorFactory factory = getFactory();
        assertTrue(factory.getMessageInterpolator() instanceof TestMessageInterpolator);
        assertTrue(factory
              .getConstraintValidatorFactory() instanceof TestConstraintValidatorFactory);
        assertTrue(factory.getTraversableResolver() instanceof SimpleTraversableResolver);
        Validator validator = factory.getValidator();
        assertNotNull(validator);
    }

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    public void testXmlEntitySample() {
        XmlEntitySampleBean bean = new XmlEntitySampleBean();
        bean.setFirstName("tooooooooooooooooooooooooooo long");
        bean.setValueCode("illegal");
        Validator validator = getFactory().getValidator();
        Set<ConstraintViolation<XmlEntitySampleBean>> results = validator.validate(bean);
        assertTrue(!results.isEmpty());
        assertTrue(results.size() == 3);


        bean.setZipCode("123");
        bean.setValueCode("20");
        bean.setFirstName("valid");
        results = validator.validate(bean);
        assertTrue(results.isEmpty());
    }

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              !cons.getConstraintsForProperty("unconstraintField").hasConstraints());
        assertNull(cons.getConstraintsForProperty("unknownField"));
    }


    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
        try {
            validator.validateValue(Book.class, "unknownProperty", 4);
            fail("unknownProperty not detected");
        } catch (IllegalArgumentException ex) {
            // OK
            assertEquals(
                  "unknown property 'unknownProperty' in org.apache.bval.jsr303.example.Book",

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                  ex.getMessage());
        }
    }


    public void testMetadataAPI_Book() {
        Validator validator = getValidator();
        Assert.assertNotNull(validator.getConstraintsForClass(Book.class));
        Assert.assertTrue(validator.getConstraintsForClass(Book.class) ==
              validator.getConstraintsForClass(Book.class));
        BeanDescriptor bc = validator.getConstraintsForClass(Book.class);
//        assertEquals(ElementType.TYPE, bc.getElementType());
        Assert.assertEquals(Book.class, bc.getElementClass());
//        assertEquals(false, bc.isCascaded());
//        assertEquals("", bc.getPropertyPath());
        Assert.assertTrue(bc.getConstraintDescriptors() != null);

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