Merge branch 'creditCard' of https://github.com/zpiman/faker.js

3 files changed, 144 insertions, 3 deletions

diff --git a/test/finance.unit.js b/test/finance.unit.js
index 61ae7b6c..a879d584 100644
--- a/test/finance.unit.js
+++ b/test/finance.unit.js
@@ -222,7 +222,7 @@ describe('finance.js', function () {
     describe("bitcoinAddress()", function(){
         it("returns a random bitcoin address", function(){
             var bitcoinAddress = faker.finance.bitcoinAddress();
-            
+
             assert.ok(bitcoinAddress.match(/^[A-Z0-9.]{27,34}$/));
         });
     });
@@ -230,11 +230,83 @@ describe('finance.js', function () {
     describe("ethereumAddress()", function(){
         it("returns a random ethereum address", function(){
             var ethereumAddress = faker.finance.ethereumAddress();
-            
             assert.ok(ethereumAddress.match(/^(0x)[0-9a-f]{40}$/i));
         });
     });
 
+    describe("creditCardNumber()", function(){
+      var luhnFormula = require("./support/luhnCheck.js");
+
+      it("returns a random credit card number", function(){
+        var number = faker.finance.creditCardNumber();
+        number = number.replace(/\D/g,""); // remove formating
+        console.log("version:", process.version, number, number.length);
+        assert.ok(number.length >= 13 && number.length <= 20);
+        assert.ok(number.match(/^[0-9]{13,20}$/));
+        assert.ok(luhnFormula(number));
+      });
+
+      it("returns a valid credit card number", function(){
+        assert.ok(luhnFormula(faker.finance.creditCardNumber("")));
+        assert.ok(luhnFormula(faker.finance.creditCardNumber()));
+        assert.ok(luhnFormula(faker.finance.creditCardNumber()));
+        assert.ok(luhnFormula(faker.finance.creditCardNumber("visa")));
+        assert.ok(luhnFormula(faker.finance.creditCardNumber("mastercard")));
+        assert.ok(luhnFormula(faker.finance.creditCardNumber("discover")));
+        assert.ok(luhnFormula(faker.finance.creditCardNumber()));
+        assert.ok(luhnFormula(faker.finance.creditCardNumber()));
+      });
+      it("returns a correct credit card number when issuer provided", function(){
+        //TODO: implement checks for each format with regexp
+        var visa = faker.finance.creditCardNumber("visa");
+        assert.ok(visa.match(/^4(([0-9]){12}|([0-9]){3}(\-([0-9]){4}){3})$/));
+        assert.ok(luhnFormula(visa));
+
+
+        var mastercard = faker.finance.creditCardNumber("mastercard");
+        assert.ok(mastercard.match(/^(5[1-5]\d{2}|6771)(\-\d{4}){3}$/));
+        assert.ok(luhnFormula(mastercard));
+
+        var discover = faker.finance.creditCardNumber("discover");
+
+        assert.ok(luhnFormula(discover));
+
+        var american_express = faker.finance.creditCardNumber("american_express");
+        assert.ok(luhnFormula(american_express));
+        var diners_club = faker.finance.creditCardNumber("diners_club");
+        assert.ok(luhnFormula(diners_club));
+        var jcb = faker.finance.creditCardNumber("jcb");
+        assert.ok(luhnFormula(jcb));
+        var switchC = faker.finance.creditCardNumber("mastercard");
+        assert.ok(luhnFormula(switchC));
+        var solo = faker.finance.creditCardNumber("solo");
+        assert.ok(luhnFormula(solo));
+        var maestro = faker.finance.creditCardNumber("maestro");
+        assert.ok(luhnFormula(maestro));
+        var laser = faker.finance.creditCardNumber("laser");
+        assert.ok(luhnFormula(laser));
+        var instapayment = faker.finance.creditCardNumber("instapayment");
+        assert.ok(luhnFormula(instapayment));
+      });
+      it("returns custom formated strings",function(){
+        var number = faker.finance.creditCardNumber("###-###-##L");
+        assert.ok(number.match(/^\d{3}\-\d{3}\-\d{3}$/));
+        assert.ok(luhnFormula(number));
+        number =faker.finance.creditCardNumber("234[5-9]#{999}L");
+        assert.ok(number.match(/^234[5-9]\d{1000}$/));
+        assert.ok(luhnFormula(number));
+      });
+    });
+    
+    describe("creditCardCVV()", function(){
+      it("returns a random credit card CVV", function(){
+        var cvv = faker.finance.creditCardCVV();
+        assert.ok(cvv.length === 3);
+        assert.ok(cvv.match(/^[0-9]{3}$/));
+      });
+    });
+      
+
     describe("iban()", function () {
         var ibanLib = require('../lib/iban');
         it("returns a random yet formally correct IBAN number", function () {
@@ -254,4 +326,4 @@ describe('finance.js', function () {
             assert.ok(bic.match(expr));
         });
     });
-});
\ No newline at end of file
+});
diff --git a/test/helpers.unit.js b/test/helpers.unit.js
index 707575ff..b440f33e 100644
--- a/test/helpers.unit.js
+++ b/test/helpers.unit.js
@@ -67,6 +67,57 @@ describe("helpers.js", function () {
         });
     });
 
+    describe("replaceCreditCardSymbols()", function () {
+      var luhnCheck = require("./support/luhnCheck.js");
+      it("returns a credit card number given a schema", function () {
+        var number = faker.helpers.replaceCreditCardSymbols("6453-####-####-####-###L");
+        assert.ok(number.match(/^6453\-([0-9]){4}\-([0-9]){4}\-([0-9]){4}\-([0-9]){4}$/));
+        assert.ok(luhnCheck(number));
+      });
+      it("supports different symbols", function () {
+        var number = faker.helpers.replaceCreditCardSymbols("6453-****-****-****-***L","*");
+        assert.ok(number.match(/^6453\-([0-9]){4}\-([0-9]){4}\-([0-9]){4}\-([0-9]){4}$/));
+        assert.ok(luhnCheck(number));
+      });
+      it("handles regexp style input", function () {
+        var number = faker.helpers.replaceCreditCardSymbols("6453-*{4}-*{4}-*{4}-*{3}L","*");
+        assert.ok(number.match(/^6453\-([0-9]){4}\-([0-9]){4}\-([0-9]){4}\-([0-9]){4}$/));
+        assert.ok(luhnCheck(number));
+        number = faker.helpers.replaceCreditCardSymbols("645[5-9]-#{4,6}-#{1,2}-#{4,6}-#{3}L");
+        assert.ok(number.match(/^645[5-9]\-([0-9]){4,6}\-([0-9]){1,2}\-([0-9]){4,6}\-([0-9]){4}$/));
+        assert.ok(luhnCheck(number));
+      });
+    });
+
+    describe("regexpStyleStringParse()", function () {
+      it("returns an empty string when called without param", function () {
+        assert.ok(faker.helpers.regexpStyleStringParse() === "");
+      });
+      it("deals with range repeat", function () {
+        var string = faker.helpers.regexpStyleStringParse("#{5,10}");
+        assert.ok(string.length <= 10 && string.length >= 5);
+        assert.ok(string.match(/^\#{5,10}$/));
+      });
+      it("flips the range when min > max", function () {
+        var string = faker.helpers.regexpStyleStringParse("#{10,5}");
+        assert.ok(string.length <= 10 && string.length >= 5);
+        assert.ok(string.match(/^\#{5,10}$/));
+      });
+      it("repeats string {n} number of times", function () {
+        assert.ok(faker.helpers.regexpStyleStringParse("%{10}") === faker.helpers.repeatString("%",10));
+        assert.ok(faker.helpers.regexpStyleStringParse("%{30}") === faker.helpers.repeatString("%",30));
+        assert.ok(faker.helpers.regexpStyleStringParse("%{5}") === faker.helpers.repeatString("%",5));
+      });
+      it("creates a numerical range", function () {
+        var string = faker.helpers.regexpStyleStringParse("Hello[0-9]");
+        assert.ok(string.match(/^Hello[0-9]$/));
+      });
+      it("deals with multiple tokens in one string", function () {
+        var string = faker.helpers.regexpStyleStringParse("Test#{5}%{2,5}Testing**[1-5]**{10}END");
+        assert.ok(string.match(/^Test\#{5}%{2,5}Testing\*\*[1-5]\*\*{10}END$/));
+      });
+    });
+
   describe("createTransaction()", function() {
     it("should create a random transaction", function() {
       var transaction = faker.helpers.createTransaction();
diff --git a/test/support/luhnCheck.js b/test/support/luhnCheck.js
new file mode 100644
index 00000000..1e195544
--- /dev/null
+++ b/test/support/luhnCheck.js
@@ -0,0 +1,18 @@
+module.exports = function (number) {
+  number = number.replace(/\D/g,"");
+  var split = number.split("");
+  split = split.map(function(num){return parseInt(num);});
+  var check = split.pop();
+  split.reverse();
+  split = split.map(function(num, index){
+    if(index%2 === 0) {
+      num *= 2;
+      if(num>9) {
+        num -= 9;
+      }
+    }
+    return num;
+  });
+  var sum = split.reduce(function(prev,curr){return prev + curr;});
+  return (sum%10 === check);
+};