redismock.js - wrapper for using test db instead of production

mocks/redismock.js

@@ -0,0 +1,57 @@
+/**
+ * Redis Mock - wrapper for redis.js, makes system use separate test db, instead of production
+ * ATTENTION: testing db is flushed before every use!
+ */
+
+(function(module) {
+	'use strict';
+
+	var RedisDB,
+		redis = require('redis'),
+		utils = require('./../public/src/utils.js'),
+		path  = require('path'),
+		nconf = require('nconf'),
+		winston = require('winston'),
+		errorText;
+
+
+	nconf.file({ file: path.join(__dirname, '../config.json') });
+
+	var testDbConfig = nconf.get('redis_test'),
+		productionDbConfig = nconf.get('redis');
+	if(!testDbConfig){
+		errorText = 'redis_test database is not defined';
+		winston.error(errorText);
+		throw new Error(errorText);
+	}
+
+	if(	testDbConfig.database === productionDbConfig.database &&
+		testDbConfig.host === productionDbConfig.host &&
+		testDbConfig.port === productionDbConfig.port
+	){
+		errorText = 'redis_test database has the same config as production db';
+		winston.error(errorText);
+		throw new Error(errorText);
+	}
+
+	nconf.set('redis',testDbConfig);
+
+	RedisDB = require('../src/redis.js');
+
+
+	//Clean up
+	RedisDB.send_command('flushdb', [], function(error){
+		if(error){
+			winston.error(error);
+			throw new Error(error);
+		} else {
+			winston.info('redis_test db flushed');
+		}
+	});
+
+	//TODO: data seeding, if needed at all
+
+
+	module.exports = RedisDB;
+
+}(module));