Added unit testing to the pipeline, including the first test which ve…

…rifies that initally, all except the first module are hidden.

grunt/aliases.json

@@ -1,5 +1,6 @@
 {
     "default": [
-        "jslint"
+        "jslint",
+        "nodeunit"
     ]
 }

grunt/jslint.js

@@ -4,7 +4,8 @@ module.exports = {
         src: [
             'Gruntfile.js',
             'grunt/**/*.js',
-            'MMM-Carousel.js'
+            'MMM-Carousel.js',
+            'test.js'
         ]
     }
 };

grunt/nodeunit.js

@@ -0,0 +1,4 @@
+/*global module */
+module.exports = {
+    main: ['test.js']
+};

package.json

@@ -22,8 +22,9 @@
   },
   "homepage": "https://github.com/barnabycolby/MMM-Carousel#readme",
   "dependencies": {
-    "grunt": "^1.0.1",
-    "grunt-jslint": "^1.1.14",
-    "load-grunt-config": "^0.19.2"
+    "grunt": "latest",
+    "grunt-jslint": "latest",
+    "load-grunt-config": "latest",
+    "grunt-contrib-nodeunit": "^1.0.0"
   }
 }

test.js

@@ -0,0 +1,61 @@
+/*global exports, require, console, global */
+(function () {
+    'use strict';
+
+    var moduleObject, modulesList, i, hideFunction;
+
+    function initialiseModule() {
+        require('./MMM-Carousel.js');
+        moduleObject.notificationReceived('DOM_OBJECTS_CREATED');
+    }
+
+    global.Module = {
+        register: function (name, moduleObjectArgument) {
+            // To workaround a JSLint unused variable error for the first argument (name), we make JSLint think that the variable is used
+            // In newer versions of JSLint we can simply rename the variable to ignore to disable the warnings, but unfortunately, grunt-jslint
+            // is severely updated
+            var doNothing = function (nothing) {
+                return nothing;
+            };
+            doNothing(name);
+
+            moduleObject = moduleObjectArgument;
+        }
+    };
+
+    // We create a list of modules that can be hidden
+    modulesList = new Array(3);
+    hideFunction = function () {
+        this.hidden = true;
+    };
+    for (i = 0; i < 3; i += 1) {
+        modulesList[i] = {
+            hidden: false,
+            hide: hideFunction
+        };
+    }
+    modulesList.exceptModule = function () {
+        // As this is only used to exclude the current module, we can simply return the list without any modifications
+        return this;
+    };
+
+    global.MM = {
+        getModules: function () {
+            return modulesList;
+        }
+    };
+
+
+    exports.allModulesHiddenExceptFirst = function (test) {
+        var errorMessageForMostModules;
+
+        initialiseModule();
+
+        test.expect(3);
+        test.ok(!modulesList[0].hidden, "The first module in the config list should not initially be hidden.");
+        errorMessageForMostModules = "All modules except the first in the config list should be hidden initially.";
+        test.ok(modulesList[1].hidden, errorMessageForMostModules);
+        test.ok(modulesList[2].hidden, errorMessageForMostModules);
+        test.done();
+    };
+}());