    1   /*
    2    * Licensed to the Apache Software Foundation (ASF) under one or more
    3    * contributor license agreements.  See the NOTICE file distributed with
    4    * this work for additional information regarding copyright ownership.
    5    * The ASF licenses this file to You under the Apache License, Version 2.0
    6    * (the "License"); you may not use this file except in compliance with
    7    * the License.  You may obtain a copy of the License at
    8    *
    9    *      http://www.apache.org/licenses/LICENSE-2.0
    10   *
    11   * Unless required by applicable law or agreed to in writing, software
    12   * distributed under the License is distributed on an "AS IS" BASIS,
    13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14   * See the License for the specific language governing permissions and
    15   * limitations under the License.
    16   */
    17  package org.apache.commons.validator;
    18
    19  import junit.framework.TestCase;
    20
    21  /***
    22   * Test the CreditCardValidator class.
    23   *
    24   * @version $Revision: 478334 $ $Date: 2006-11-22 21:31:54 +0000 (Wed, 22 Nov 2006) $
    25   */
    26  public class CreditCardValidatorTest extends TestCase {
    27
    28      private static final String VALID_VISA = "4417123456789113";
    29      private static final String VALID_SHORT_VISA = "4222222222222";
    30      private static final String VALID_AMEX = "378282246310005";
    31      private static final String VALID_MASTERCARD = "5105105105105100";
    32      private static final String VALID_DISCOVER = "6011000990139424";
    33      private static final String VALID_DINERS = "30569309025904";
    34
    35  	/***
    36  	 * Constructor for CreditCardValidatorTest.
    37  	 */
    38  	public CreditCardValidatorTest(String name) {
    39  		super(name);
    40  	}
    41
    42  	public void testIsValid() {
    43          CreditCardValidator ccv = new CreditCardValidator();
    44
    45          assertFalse(ccv.isValid(null));
    46          assertFalse(ccv.isValid(""));
    47          assertFalse(ccv.isValid("123456789012"));   // too short
    48          assertFalse(ccv.isValid("12345678901234567890"));   // too long
    49          assertFalse(ccv.isValid("4417123456789112"));
    50          assertFalse(ccv.isValid("4417q23456w89113"));
    51          assertTrue(ccv.isValid(VALID_VISA));
    52          assertTrue(ccv.isValid(VALID_SHORT_VISA));
    53          assertTrue(ccv.isValid(VALID_AMEX));
    54          assertTrue(ccv.isValid(VALID_MASTERCARD));
    55          assertTrue(ccv.isValid(VALID_DISCOVER));
    56
    57          // disallow Visa so it should fail even with good number
    58          ccv = new CreditCardValidator(CreditCardValidator.AMEX);
    59          assertFalse(ccv.isValid("4417123456789113"));
    60  	}
    61
    62      public void testAddAllowedCardType() {
    63          CreditCardValidator ccv = new CreditCardValidator(CreditCardValidator.NONE);
    64          // Turned off all cards so even valid numbers should fail
    65          assertFalse(ccv.isValid(VALID_VISA));
    66          assertFalse(ccv.isValid(VALID_AMEX));
    67          assertFalse(ccv.isValid(VALID_MASTERCARD));
    68          assertFalse(ccv.isValid(VALID_DISCOVER));
    69
    70          // test our custom type
    71          ccv.addAllowedCardType(new DinersClub());
    72          assertTrue(ccv.isValid(VALID_DINERS));
    73      }
    74
    75      /***
    76       * Test a custom implementation of CreditCardType.
    77       */
    78      private class DinersClub implements CreditCardValidator.CreditCardType {
    79          private static final String PREFIX = "300,301,302,303,304,305,";
    80          public boolean matches(String card) {
    81              String prefix = card.substring(0, 3) + ",";
    82              return ((PREFIX.indexOf(prefix) != -1) && (card.length() == 14));
    83          }
    84      }
    85
    86  }