    1   /*
    2    * $Id: CreditCardValidatorTest.java 366867 2006-01-07 17:55:14Z niallp $
    3    * $Rev: 366867 $
    4    * $Date: 2006-01-07 17:55:14 +0000 (Sat, 07 Jan 2006) $
    5    *
    6    * ====================================================================
    7    * Copyright 2001-2006 The Apache Software Foundation
    8    *
    9    * Licensed under the Apache License, Version 2.0 (the "License");
    10   * you may not use this file except in compliance with the License.
    11   * You may obtain a copy of the License at
    12   *
    13   *     http://www.apache.org/licenses/LICENSE-2.0
    14   *
    15   * Unless required by applicable law or agreed to in writing, software
    16   * distributed under the License is distributed on an "AS IS" BASIS,
    17   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    18   * See the License for the specific language governing permissions and
    19   * limitations under the License.
    20   */
    21
    22  package org.apache.commons.validator;
    23
    24  import junit.framework.TestCase;
    25
    26  /***
    27   * Test the CreditCardValidator class.
    28   */
    29  public class CreditCardValidatorTest extends TestCase {
    30
    31      private static final String VALID_VISA = "4417123456789113";
    32      private static final String VALID_SHORT_VISA = "4222222222222";
    33      private static final String VALID_AMEX = "378282246310005";
    34      private static final String VALID_MASTERCARD = "5105105105105100";
    35      private static final String VALID_DISCOVER = "6011000990139424";
    36      private static final String VALID_DINERS = "30569309025904";
    37
    38  	/***
    39  	 * Constructor for CreditCardValidatorTest.
    40  	 */
    41  	public CreditCardValidatorTest(String name) {
    42  		super(name);
    43  	}
    44
    45  	public void testIsValid() {
    46          CreditCardValidator ccv = new CreditCardValidator();
    47
    48          assertFalse(ccv.isValid(null));
    49          assertFalse(ccv.isValid(""));
    50          assertFalse(ccv.isValid("123456789012"));   // too short
    51          assertFalse(ccv.isValid("12345678901234567890"));   // too long
    52          assertFalse(ccv.isValid("4417123456789112"));
    53          assertFalse(ccv.isValid("4417q23456w89113"));
    54          assertTrue(ccv.isValid(VALID_VISA));
    55          assertTrue(ccv.isValid(VALID_SHORT_VISA));
    56          assertTrue(ccv.isValid(VALID_AMEX));
    57          assertTrue(ccv.isValid(VALID_MASTERCARD));
    58          assertTrue(ccv.isValid(VALID_DISCOVER));
    59
    60          // disallow Visa so it should fail even with good number
    61          ccv = new CreditCardValidator(CreditCardValidator.AMEX);
    62          assertFalse(ccv.isValid("4417123456789113"));
    63  	}
    64
    65      public void testAddAllowedCardType() {
    66          CreditCardValidator ccv = new CreditCardValidator(CreditCardValidator.NONE);
    67          // Turned off all cards so even valid numbers should fail
    68          assertFalse(ccv.isValid(VALID_VISA));
    69          assertFalse(ccv.isValid(VALID_AMEX));
    70          assertFalse(ccv.isValid(VALID_MASTERCARD));
    71          assertFalse(ccv.isValid(VALID_DISCOVER));
    72
    73          // test our custom type
    74          ccv.addAllowedCardType(new DinersClub());
    75          assertTrue(ccv.isValid(VALID_DINERS));
    76      }
    77
    78      /***
    79       * Test a custom implementation of CreditCardType.
    80       */
    81      private class DinersClub implements CreditCardValidator.CreditCardType {
    82          private static final String PREFIX = "300,301,302,303,304,305,";
    83          public boolean matches(String card) {
    84              String prefix = card.substring(0, 3) + ",";
    85              return ((PREFIX.indexOf(prefix) != -1) && (card.length() == 14));
    86          }
    87      }
    88
    89  }