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  }