Unit tests

README.md

@@ -90,3 +90,9 @@ Output:
 ```
 bool(false)
 ```
+
+## Tests
+
+Execute the following command to run the unit tests:
+
+    vendor/bin/phpunit --bootstrap vendor/autoload.php tests

composer.json

@@ -14,6 +14,9 @@
         "php": ">=5.3.0",
         "lib-pcre": ">=7.3"
     },
+    "require-dev": {
+        "phpunit/phpunit": "4.7.*"
+    },
     "autoload": {
         "psr-4": {
             "Inacho\\": "src/"

tests/Test.php

@@ -0,0 +1,172 @@
+<?php
+
+use Inacho\CreditCard;
+
+class Test extends PHPUnit_Framework_TestCase
+{
+    // card numbers of visa, mastercard, amex, dinersclub, discover and jcb taken from:
+    // https://www.paypalobjects.com/en_US/vhelp/paypalmanager_help/credit_card_numbers.htm
+
+    // Card numbers of visaelectron, maestro and dankort taken from:
+    // http://support.worldpay.com/support/kb/bg/testandgolive/tgl5103.html
+
+    protected $validCards = array(
+
+        // Debit cards
+        'visaelectron' => array(
+            '4917300800000000',
+        ),
+        'maestro' => array(
+            '6759649826438453',
+            '6799990100000000019',
+        ),
+        'forbrugsforeningen' => array(
+            '6007220000000004',
+        ),
+        'dankort' => array(
+            '5019717010103742',
+        ),
+
+        // Credit cards
+        'visa' => array(
+            '4111111111111111',
+            '4012888888881881',
+            '4222222222222',
+            '4462030000000000',
+            '4484070000000000',
+        ),
+        'mastercard' => array(
+            '5555555555554444',
+            '5454545454545454',
+            '2221000002222221',
+        ),
+        'amex' => array(
+            '378282246310005',
+            '371449635398431',
+            '378734493671000', // American Express Corporate
+        ),
+        'dinersclub' => array(
+            '30569309025904',
+            '38520000023237',
+            '36700102000000',
+            '36148900647913',
+        ),
+        'discover' => array(
+            '6011111111111117',
+            '6011000990139424',
+        ),
+        'unionpay' => array(
+            '6271136264806203568',
+            '6236265930072952775',
+            '6204679475679144515',
+            '6216657720782466507',
+        ),
+        'jcb' => array(
+            '3530111333300000',
+            '3566002020360505',
+        ),
+    );
+
+    public function testCardsTypes()
+    {
+        foreach ($this->validCards as $type => $numbers) {
+            foreach ($numbers as $number) {
+                $result = CreditCard::validCreditCard($number);
+
+                $this->assertEquals(true, $result['valid']);
+                $this->assertEquals($type, $result['type']);
+            }
+        }
+    }
+
+    public function testNumbers()
+    {
+        // Empty number
+        $result = CreditCard::validCreditCard('');
+        $this->assertEquals(false, $result['valid']);
+
+        // Number with spaces
+        $result = CreditCard::validCreditCard('       ');
+        $this->assertEquals(false, $result['valid']);
+
+        // Valid number
+        $result = CreditCard::validCreditCard('4242424242424242');
+        $this->assertEquals(true, $result['valid']);
+
+        // Valid number with dashes
+        $result = CreditCard::validCreditCard('4242-4242-4242-4242');
+        $this->assertEquals(true, $result['valid']);
+
+        // Valid number with spaces
+        $result = CreditCard::validCreditCard('4242 4242 4242 4242');
+        $this->assertEquals(true, $result['valid']);
+
+        // More than 16 digits
+        $result = CreditCard::validCreditCard('42424242424242424');
+        $this->assertEquals(false, $result['valid']);
+
+        // Less than 10 digits
+        $result = CreditCard::validCreditCard('424242424');
+        $this->assertEquals(false, $result['valid']);
+    }
+
+    public function testLuhn()
+    {
+        $result = CreditCard::validCreditCard('4242424242424241');
+        $this->assertEquals(false, $result['valid']);
+    }
+
+    public function testDate()
+    {
+        // Invalid month
+        $this->assertEquals(false, CreditCard::validDate(date('Y'), '13'));
+
+        // Invalid year
+        $this->assertEquals(false, CreditCard::validDate(date('Y'), '15'));
+
+        // Integer values
+        $this->assertEquals(true, CreditCard::validDate(intval(date('Y')), intval(date('m'))));
+
+        // Not numbers
+        $this->assertEquals(false, CreditCard::validDate('j201', 'd4'));
+
+        // Past year, future month
+        $timestamp = strtotime('-1 month');
+        $this->assertEquals(false, CreditCard::validDate(date('Y', $timestamp) - 1, date('m', $timestamp)));
+
+        // Current year, past month
+        $timestamp = strtotime('-1 month');
+        $this->assertEquals(false, CreditCard::validDate(date('Y', $timestamp), date('m', $timestamp)));
+
+        // Current year, current month
+        $this->assertEquals(true, CreditCard::validDate(date('Y'), date('m')));
+
+        // Next year
+        $timestamp = strtotime('+1 year');
+        $this->assertEquals(true, CreditCard::validDate(date('Y', $timestamp), date('m', $timestamp)));
+    }
+
+    public function testCvc()
+    {
+        // Empty
+        $this->assertEquals(false, CreditCard::validCvc('', ''));
+
+        // Empty type
+        $this->assertEquals(false, CreditCard::validCvc('123', ''));
+
+        // Empty number
+        $this->assertEquals(false, CreditCard::validCvc('', 'visa'));
+
+        // Valid
+        $this->assertEquals(true, CreditCard::validCvc('123', 'visa'));
+
+        // Non digits
+        $this->assertEquals(false, CreditCard::validCvc('12e', 'visa'));
+
+        // Less than 3 digits
+        $this->assertEquals(false, CreditCard::validCvc('12', 'visa'));
+
+        // More than 3 digits
+        $this->assertEquals(false, CreditCard::validCvc('1234', 'visa'));
+    }
+}