diff --git a/src/batch.js b/src/batch.js
index 1a425e1a21..329ae624d5 100644
--- a/src/batch.js
+++ b/src/batch.js
@@ -16,7 +16,7 @@ var async = require('async'),
 			options = {};
 		}
 
-		callback = typeof callback === 'function' ? callback : function(){};
+		callback = typeof callback === 'function' ? callback : function() {};
 		options = options || {};
 
 		if (typeof process !== 'function') {
@@ -63,4 +63,52 @@ var async = require('async'),
 		);
 	};
 
+	Batch.processArray = function(array, process, options, callback) {
+		if (typeof options === 'function') {
+			callback = options;
+			options = {};
+		}
+
+		callback = typeof callback === 'function' ? callback : function() {};
+		options = options || {};
+
+		if (!Array.isArray(array) || !array.length) {
+			return callback();
+		}
+		if (typeof process !== 'function') {
+			return callback(new Error('[[error:process-not-a-function]]'));
+		}
+
+		var batch = options.batch || DEFAULT_BATCH_SIZE;
+		var start = 0;
+		var done = false;
+
+		async.whilst(
+			function() {
+				return !done;
+			},
+			function(next) {
+				var currentBatch = array.slice(start, start + batch);
+				if (!currentBatch.length) {
+					done = true;
+					return next();
+				}
+				process(currentBatch, function(err) {
+					if (err) {
+						return next(err);
+					}
+					start = start + batch;
+					if (options.interval) {
+						setTimeout(next, options.interval);
+					} else {
+						next();
+					}
+				});
+			},
+			function(err) {
+				callback(err);
+			}
+		);
+	};
+
 }(exports));
diff --git a/src/categories/recentreplies.js b/src/categories/recentreplies.js
index e7a1d0ba4e..c71c1b907c 100644
--- a/src/categories/recentreplies.js
+++ b/src/categories/recentreplies.js
@@ -10,6 +10,7 @@ var db = require('../database');
 var posts = require('../posts');
 var topics = require('../topics');
 var privileges = require('../privileges');
+var batch = require('../batch');
 
 
 module.exports = function(Categories) {
@@ -182,7 +183,8 @@ module.exports = function(Categories) {
 		});
 	}
 
-	Categories.moveRecentReplies = function(tid, oldCid, cid) {
+	Categories.moveRecentReplies = function(tid, oldCid, cid, callback) {
+		callback = callback || function() {};
 		updatePostCount(tid, oldCid, cid);
 		topics.getPids(tid, function(err, pids) {
 			if (err) {
@@ -193,47 +195,31 @@ module.exports = function(Categories) {
 				return;
 			}
 
-			var start = 0,
-				done = false,
-				batch = 50;
-
-			async.whilst(function() {
-				return !done;
-			}, function(next) {
-				var movePids = pids.slice(start, start + batch);
-				if (!movePids.length) {
-					done = true;
-					return next();
-				}
-
-				posts.getPostsFields(movePids, ['timestamp'], function(err, postData) {
-					if (err) {
-						return next(err);
+			batch.processArray(pids, function(pids, next) {
+				async.waterfall([
+					function(next) {
+						posts.getPostsFields(pids, ['timestamp'], next);
+					},
+					function(postData, next) {
+						var timestamps = postData.map(function(post) {
+							return post && post.timestamp;
+						});
+
+						async.parallel([
+							function(next) {
+								db.sortedSetRemove('cid:' + oldCid + ':pids', pids, next);
+							},
+							function(next) {
+								db.sortedSetAdd('cid:' + cid + ':pids', timestamps, pids, next);
+							}
+						], next);
 					}
-
-					var timestamps = postData.map(function(post) {
-						return post && post.timestamp;
-					});
-
-					async.parallel([
-						function(next) {
-							db.sortedSetRemove('cid:' + oldCid + ':pids', movePids, next);
-						},
-						function(next) {
-							db.sortedSetAdd('cid:' + cid + ':pids', timestamps, movePids, next);
-						}
-					], function(err) {
-						if (err) {
-							return next(err);
-						}
-						start += batch;
-						next();
-					});
-				});
+				], next);
 			}, function(err) {
 				if (err) {
 					winston.error(err.stack);
 				}
+				callback(err);
 			});
 		});
 	};
diff --git a/src/groups/delete.js b/src/groups/delete.js
index 8c7b194d28..af79757e9c 100644
--- a/src/groups/delete.js
+++ b/src/groups/delete.js
@@ -16,6 +16,7 @@ module.exports = function(Groups) {
 				return callback();
 			}
 			var groupObj = groupsData[0];
+
 			plugins.fireHook('action:group.destroy', groupObj);
 
 			async.parallel([
@@ -40,7 +41,11 @@ module.exports = function(Groups) {
 					});
 				}
 			], function(err) {
-				callback(err);
+				if (err) {
+					return callback(err);
+				}
+				Groups.resetCache();
+				callback();
 			});
 		});
 	};
diff --git a/src/notifications.js b/src/notifications.js
index e4df61f260..7c0056a533 100644
--- a/src/notifications.js
+++ b/src/notifications.js
@@ -11,6 +11,7 @@ var db = require('./database');
 var User = require('./user');
 var groups = require('./groups');
 var meta = require('./meta');
+var batch = require('./batch');
 var plugins = require('./plugins');
 var utils = require('../public/src/utils');
 
@@ -168,36 +169,14 @@ var utils = require('../public/src/utils');
 			return callback();
 		}
 
-		var done = false;
-		var start = 0;
-		var batchSize = 50;
-
 		setTimeout(function() {
-			async.whilst(
-				function() {
-					return !done;
-				},
-				function(next) {
-					var currentUids = uids.slice(start, start + batchSize);
-					if (!currentUids.length) {
-						done = true;
-						return next();
-					}
-					pushToUids(currentUids, notification, function(err) {
-						if (err) {
-							return next(err);
-						}
-						start = start + batchSize;
-
-						setTimeout(next, 1000);
-					});
-				},
-				function(err) {
-					if (err) {
-						winston.error(err.stack);
-					}
+			batch.processArray(uids, function(uids, next) {
+				pushToUids(uids, notification, next);
+			}, {interval: 1000}, function(err) {
+				if (err) {
+					winston.error(err.stack);
 				}
-			);
+			});
 		}, 1000);
 
 		callback();
diff --git a/test/categories.js b/test/categories.js
index 9e762f5a90..f9ce55f916 100644
--- a/test/categories.js
+++ b/test/categories.js
@@ -1,19 +1,30 @@
 'use strict';
-/*global require, process, after*/
+/*global require, after, before*/
 
-var winston = require('winston');
 
-process.on('uncaughtException', function (err) {
-	winston.error('Encountered error while running test suite: ' + err.message);
-});
-
-var	assert = require('assert'),
-	db = require('./mocks/databasemock');
+var async = require('async');
+var assert = require('assert');
 
+var db = require('./mocks/databasemock');
 var Categories = require('../src/categories');
+var Topics = require('../src/topics');
+var User = require('../src/user');
 
 describe('Categories', function() {
 	var	categoryObj;
+	var posterUid;
+
+	before(function(done) {
+		User.create({username: 'poster'}, function(err, _posterUid) {
+			if (err) {
+				return done(err);
+			}
+
+			posterUid = _posterUid;
+
+			done();
+		});
+	});
 
 	describe('.create', function() {
 		it('should create a new category', function(done) {
@@ -115,6 +126,53 @@ describe('Categories', function() {
 		});
 	});
 
+	describe('Categories.moveRecentReplies', function() {
+		var moveCid;
+		var moveTid;
+		before(function(done) {
+			async.parallel({
+				category: function(next) {
+					Categories.create({
+						name: 'Test Category 2',
+						description: 'Test category created by testing script'
+					}, next);
+				},
+				topic: function(next) {
+					Topics.post({
+						uid: posterUid,
+						cid: categoryObj.cid,
+						title: 'Test Topic Title',
+						content: 'The content of test topic'
+					}, next);
+				}
+			}, function(err, results) {
+				if (err) {
+					return done(err);
+				}
+				moveCid = results.category.cid;
+				moveTid = results.topic.topicData.tid;
+				Topics.reply({uid: posterUid, content: 'test post', tid: moveTid}, function(err) {
+					done(err);
+				});
+			});
+		});
+
+		it('should move posts from one category to another', function(done) {
+			Categories.moveRecentReplies(moveTid, categoryObj.cid, moveCid, function(err) {
+				assert.ifError(err);
+				db.getSortedSetRange('cid:' + categoryObj.cid + ':pids', 0, -1, function(err, pids) {
+					assert.ifError(err);
+					assert.equal(pids.length, 0);
+					db.getSortedSetRange('cid:' + moveCid + ':pids', 0, -1, function(err, pids) {
+						assert.ifError(err);
+						assert.equal(pids.length, 2);
+						done();
+					});
+				});
+			});
+		});
+	});
+
 	after(function(done) {
 		db.flushdb(done);
 	});
diff --git a/test/groups.js b/test/groups.js
index 43b1857b99..a28e84f14e 100644
--- a/test/groups.js
+++ b/test/groups.js
@@ -1,15 +1,16 @@
 'use strict';
 /*global require, before, after*/
 
-var	assert = require('assert'),
-	async = require('async'),
+var	assert = require('assert');
+var async = require('async');
 
-	db = require('./mocks/databasemock'),
-	Groups = require('../src/groups'),
-	User = require('../src/user');
+var db = require('./mocks/databasemock');
+var Groups = require('../src/groups');
+var User = require('../src/user');
 
 describe('Groups', function() {
 	before(function(done) {
+		Groups.resetCache();
 		async.parallel([
 			function(next) {
 				// Create a group to play around with
@@ -35,8 +36,7 @@ describe('Groups', function() {
 	describe('.list()', function() {
 		it('should list the groups present', function(done) {
 			Groups.getGroupsFromSet('groups:createtime', 0, 0, -1, function(err, groups) {
-				if (err) return done(err);
-
+				assert.ifError(err);
 				assert.equal(groups.length, 3);
 				done();
 			});
diff --git a/test/notifications.js b/test/notifications.js
new file mode 100644
index 0000000000..923087fce5
--- /dev/null
+++ b/test/notifications.js
@@ -0,0 +1,102 @@
+'use strict';
+/*global require, after, before*/
+
+
+var	assert = require('assert');
+
+var db = require('./mocks/databasemock');
+var user = require('../src/user');
+var notifications = require('../src/notifications');
+
+describe('Notifications', function() {
+	var uid;
+	var notification;
+
+	before(function(done) {
+		user.create({username: 'poster'}, function(err, _uid) {
+			if (err) {
+				return done(err);
+			}
+
+			uid = _uid;
+			done();
+		});
+	});
+
+	it('should create a notification', function(done) {
+		notifications.create({
+			bodyShort: 'bodyShort',
+			nid: 'notification_id'
+		}, function(err, _notification) {
+			notification = _notification;
+			assert.ifError(err);
+			assert(notification);
+			db.exists('notifications:' + notification.nid, function(err, exists) {
+				assert.ifError(err);
+				assert(exists);
+				db.isSortedSetMember('notifications', notification.nid, function(err, isMember) {
+					assert.ifError(err);
+					assert(isMember);
+					done();
+				});
+			});
+		});
+	});
+
+	it('should get notifications', function(done) {
+		notifications.getMultiple([notification.nid], function(err, notificationsData) {
+			assert.ifError(err);
+			assert(Array.isArray(notificationsData));
+			assert(notificationsData[0]);
+			assert.equal(notification.nid, notificationsData[0].nid);
+			done();
+		});
+	});
+
+	it('should push a notification to uid', function(done) {
+		notifications.push(notification, [uid], function(err) {
+			assert.ifError(err);
+			setTimeout(function() {
+				db.isSortedSetMember('uid:' + uid + ':notifications:unread', notification.nid, function(err, isMember) {
+					assert.ifError(err);
+					assert(isMember);
+					done();
+				});
+			}, 2000);
+		});
+	});
+
+	it('should mark a notification read', function(done) {
+		notifications.markRead(notification.nid, uid, function(err) {
+			assert.ifError(err);
+			db.isSortedSetMember('uid:' + uid + ':notifications:unread', notification.nid, function(err, isMember) {
+				assert.ifError(err);
+				assert.equal(isMember, false);
+				db.isSortedSetMember('uid:' + uid + ':notifications:read', notification.nid, function(err, isMember) {
+					assert.ifError(err);
+					assert.equal(isMember, true);
+					done();
+				});
+			});
+		});
+	});
+
+	it('should mark a notification unread', function(done) {
+		notifications.markUnread(notification.nid, uid, function(err) {
+			assert.ifError(err);
+			db.isSortedSetMember('uid:' + uid + ':notifications:unread', notification.nid, function(err, isMember) {
+				assert.ifError(err);
+				assert.equal(isMember, true);
+				db.isSortedSetMember('uid:' + uid + ':notifications:read', notification.nid, function(err, isMember) {
+					assert.ifError(err);
+					assert.equal(isMember, false);
+					done();
+				});
+			});
+		});
+	});
+
+	after(function(done) {
+		db.flushdb(done);
+	});
+});