mocha unit tests for utils.js

Author: nakula

lib/utils.js

@@ -26,7 +26,12 @@ var uuid = function uuidGenerator() {
 };
 
 var browserString = function browserString(config) {
-  return config.os + ' ' + config.os_version + ', ' + (config.browser == 'ie' ? 'IE' : titleCase(config.browser || config.device)) + ' ' + (config.browser_version || config.device);
+  var os_details = config.os + ' ' + config.os_version;
+  if (config.browser) {
+    return os_details + ', ' + (config.browser == 'ie' ? 'Internet Explorer' : titleCase(config.browser)) + ' ' + config.browser_version;
+  } else {
+    return os_details + (config.device ? (', ' + config.device) : "");
+  }
 };
 
 var objectSize = function objectSize(obj) {

tests/unit/utils_spec.js

@@ -0,0 +1,39 @@
+var  utils = require("./../../lib/utils");
+var assert = require("assert");
+
+describe('Utilities', function(){
+  it('should titlize all strings properly', function(){
+    assert.equal("Hello", utils.titleCase("hello"));
+    assert.equal("Are You Serious?", utils.titleCase("are you serious?"));
+  });
+  
+  it('should generate 32 char uuid', function(){
+    assert.equal(5, utils.uuid().split("-").length);
+    assert.equal(32 + 4, utils.uuid().length);
+  });
+
+  it('should generate random uuid always', function(){
+    assert.notEqual(utils.uuid(), utils.uuid());
+    assert.notEqual(utils.uuid(), utils.uuid());
+  });
+  
+  it('should generate proper browser string for config', function(){
+    var chrome_mac = {os: "OS X", os_version: "Mavericks", "browser": "chrome", "browser_version": "latest"};
+    var chrome_windows = {os: "Windows", os_version: "XP", "browser": "chrome", "browser_version": "latest"};
+    // var safari_mac = {os: "OS X", os_version: "Mountain Lion", "browser": "safari", "browser_version": "6.1"};
+    var ie_windows = {os: "Windows", os_version: "7", "browser": "ie", "browser_version": "9.0"};
+    var iOS = {os: "iOS", os_version: "6.0", device: "iPhone 5"};
+    var androidConfig = {os: "android", os_version: "4.1"};
+    
+    assert.equal("OS X Mavericks, Chrome latest", utils.browserString(chrome_mac));
+    assert.equal("Windows XP, Chrome latest", utils.browserString(chrome_windows));
+    assert.equal("Windows 7, Internet Explorer 9.0", utils.browserString(ie_windows));
+    assert.equal("iOS 6.0, iPhone 5", utils.browserString(iOS));
+    assert.equal("android 4.1", utils.browserString(androidConfig));
+  });
+  
+  it('should return number of keys for this object', function(){
+    assert.equal(0, utils.objectSize({}));
+    assert.equal(1, utils.objectSize({a: 2}));
+  });
+});