fix redis tests

src/database/redis/list.js

@@ -3,6 +3,9 @@
 module.exports = function (redisClient, module) {
 	module.listPrepend = function (key, value, callback) {
 		callback = callback || function () {};
+		if (!key) {
+			return callback();
+		}
 		redisClient.lpush(key, value, function (err) {
 			callback(err);
 		});
@@ -10,6 +13,9 @@ module.exports = function (redisClient, module) {
 
 	module.listAppend = function (key, value, callback) {
 		callback = callback || function () {};
+		if (!key) {
+			return callback();
+		}
 		redisClient.rpush(key, value, function (err) {
 			callback(err);
 		});
@@ -17,11 +23,17 @@ module.exports = function (redisClient, module) {
 
 	module.listRemoveLast = function (key, callback) {
 		callback = callback || function () {};
+		if (!key) {
+			return callback();
+		}
 		redisClient.rpop(key, callback);
 	};
 
 	module.listRemoveAll = function (key, value, callback) {
 		callback = callback || function () {};
+		if (!key) {
+			return callback();
+		}
 		redisClient.lrem(key, 0, value, function (err) {
 			callback(err);
 		});
@@ -29,6 +41,9 @@ module.exports = function (redisClient, module) {
 
 	module.listTrim = function (key, start, stop, callback) {
 		callback = callback || function () {};
+		if (!key) {
+			return callback();
+		}
 		redisClient.ltrim(key, start, stop, function (err) {
 			callback(err);
 		});
@@ -36,6 +51,9 @@ module.exports = function (redisClient, module) {
 
 	module.getListRange = function (key, start, stop, callback) {
 		callback = callback || function () {};
+		if (!key) {
+			return callback();
+		}
 		redisClient.lrange(key, start, stop, callback);
 	};
 };

test/database/list.js

@@ -98,7 +98,7 @@ describe('List methods', function () {
 			});
 		});
 
-		it('should not get anyhing if key is falsy', function (done) {
+		it('should not get anything if key is falsy', function (done) {
 			db.getListRange(null, 0, -1, function (err, data) {
 				assert.ifError(err);
 				assert.equal(data, undefined);