CreditCardConstraintTests.java

package org.grails.validation;

import grails.validation.AbstractConstraintTests;
import grails.validation.ConstrainedProperty;
import grails.validation.TestClass;

/**
 * Test cases for 'creditCard' constraint. Uses data from Apache Jakarta Commons Validator tests.
 *
 * @author Sergey Nebolsin (<a href="mailto:nebolsin@gmail.com"/>)
 */
public class CreditCardConstraintTests extends AbstractConstraintTests {
    private static final String VALID_VISA = "4417123456789113";
    private static final String VALID_SHORT_VISA = "4222222222222";
    private static final String VALID_AMEX = "378282246310005";
    private static final String VALID_MASTERCARD = "5105105105105100";
    private static final String VALID_DISCOVER = "6011000990139424";

    @Override
    protected Class<?> getConstraintClass() {
        return CreditCardConstraint.class;
    }

    public void testValidate() {
        testConstraintMessageCodes(
                getConstraint("testString", Boolean.TRUE),
                "1234512",
                new String[] {"testClass.testString.creditCard.error", "testClass.testString.creditCard.invalid"},
                new Object[] {"testString", TestClass.class, "1234512"});

        // too short number
        testConstraintFailed(
                getConstraint("testString", Boolean.TRUE),
                "123456789012");

        // too long number
        testConstraintFailed(
                getConstraint("testString", Boolean.TRUE),
                "12345678901234567890");

        // non-digit symbols in number
        testConstraintFailed(
                getConstraint("testString", Boolean.TRUE),
                "4417q23456w89113");

        // non-digit symbols in number
        testConstraintFailed(
                getConstraint("testString", Boolean.TRUE),
                "4417q23456w89113");

        // wrong number (luhn check)
        testConstraintFailed(
                getConstraint("testString", Boolean.TRUE),
                "4417123456789112");

        // null value should always pass validation
        testConstraintPassed(
                getConstraint("testString", Boolean.TRUE),
                null);

        // blank value should always pass validation
        testConstraintPassed(
                getConstraint("testString", Boolean.TRUE),
                " ");

        testConstraintPassed(
                getConstraint("testString", Boolean.TRUE),
                VALID_VISA);

        testConstraintPassed(
                getConstraint("testString", Boolean.TRUE),
                VALID_SHORT_VISA);

        testConstraintPassed(
                getConstraint("testString", Boolean.TRUE),
                VALID_AMEX);

        testConstraintPassed(
                getConstraint("testString", Boolean.TRUE),
                VALID_MASTERCARD);

        testConstraintPassed(
                getConstraint("testString", Boolean.TRUE),
                VALID_DISCOVER);

        // must always pass when parameter is false
        testConstraintPassed(
                getConstraint("testString", Boolean.FALSE),
                "123");

        testConstraintDefaultMessage(
                getConstraint("testString", Boolean.TRUE),
                "12345",
                "Property [{0}] of class [{1}] with value [{2}] is not a valid credit card number");
    }

    public void testConstraintCreation() {
        CreditCardConstraint constraint = new CreditCardConstraint();
        assertEquals(ConstrainedProperty.CREDIT_CARD_CONSTRAINT, constraint.getName());
        assertTrue(constraint.supports(String.class));
        assertFalse(constraint.supports(null));
        assertFalse(constraint.supports(Long.class));

        try {
            getConstraint("testString", "wrong");
            fail("CreditCardConstraint must throw an exception for non-boolean parameters.");
        } catch (IllegalArgumentException iae) {
            // Great
        }
    }
}