added test file for categories (incomplete)

re: issue #391

package.json

@@ -9,6 +9,9 @@
     "url": "https://github.com/designcreateplay/NodeBB/"
   },
   "main": "app.js",
+  "scripts": {
+    "test": "mocha ./tests"
+  },
   "dependencies": {
     "socket.io": "~0.9.16",
     "redis": "0.8.3",
@@ -44,6 +47,9 @@
   "optionalDependencies": {
     "hiredis": "~0.1.15"
   },
+  "devDependencies": {
+    "mocha": "~1.13.0"
+  },
   "bugs": {
     "url": "https://github.com/designcreateplay/NodeBB/issues"
   },

tests/categories.js

@@ -0,0 +1,54 @@
+var	assert = require('assert'),
+	RDB = require('../src/redis'),
+	Categories = require('../src/categories');
+
+describe('Categories', function() {
+	var	categoryObj;
+
+	describe('.create', function() {
+		it('should create a new category', function(done) {
+			Categories.create({
+				name: 'Test Category',
+				description: 'Test category created by testing script',
+				icon: 'icon-ok',
+				blockclass: 'category-blue',
+				order: '5'
+			}, function(err, category) {
+				categoryObj = category;
+				done.apply(arguments);
+			});
+		});
+	});
+
+	describe('.getCategoryById', function() {
+		it('should retrieve a newly created category by its ID', function(done) {
+			Categories.getCategoryById(categoryObj.cid, 0, function(err, categoryData) {
+				assert(categoryData);
+				assert.equal(categoryObj.name, categoryData.category_name);
+				assert.equal(categoryObj.description, categoryData.category_description);
+
+				done();
+			});
+		});
+	});
+
+	describe('.getCategoryTopics', function() {
+		it('should return a list of topics', function(done) {
+			Categories.getCategoryTopics(categoryObj.cid, 0, 10, 0, function(topics) {
+				assert(Array.isArray(topics));
+				assert(topics.every(function(topic) {
+					return topic instanceof Object;
+				}));
+
+				done();
+			});
+		});
+	});
+
+	after(function() {
+		RDB.multi()
+			.del('category:'+categoryObj.cid)
+			.rpop('categories:cid')
+		.exec();
+	});
+});