get and set features (#21)

* added get feature

* added set feature

* fixing badges

* 1.0.4

README.md

@@ -1,12 +1,12 @@
 ioredis-mock
 ============
 
-[![AppVeyor branch](https://img.shields.io/appveyor/ci/stipsan/ioredis-mock/master.svg?label=windows)](https://ci.appveyor.com/project/stipsan/ioredis-mock)
-[![Travis branch](https://img.shields.io/travis/stipsan/ioredis-mock/master.svg?label=linux)](https://travis-ci.org/stipsan/ioredis-mock)
+[![AppVeyor branch](https://img.shields.io/appveyor/ci/stipsan/ioredis-mock.svg?label=windows)](https://ci.appveyor.com/project/stipsan/ioredis-mock)
+[![Travis branch](https://img.shields.io/travis/stipsan/ioredis-mock.svg?label=linux)](https://travis-ci.org/stipsan/ioredis-mock)
 [![CircleCI](https://img.shields.io/circleci/project/stipsan/ioredis-mock.svg?label=node+matrix)](https://circleci.com/gh/stipsan/ioredis-mock)
 [![Code Climate](https://codeclimate.com/github/stipsan/ioredis-mock/badges/gpa.svg)](https://codeclimate.com/github/stipsan/ioredis-mock)
-[![Issue Count](https://img.shields.io/codeclimate/issues/github/me-and/mdf.svg)](https://codeclimate.com/github/stipsan/ioredis-mock)
-[![Coverage Status](https://coveralls.io/repos/github/stipsan/ioredis-mock/badge.svg?branch=master)](https://coveralls.io/github/stipsan/ioredis-mock?branch=master)
+[![Issue Count](https://img.shields.io/codeclimate/issues/github/stipsan/ioredis-mock.svg)](https://codeclimate.com/github/stipsan/ioredis-mock)
+[![Coverage Status](https://coveralls.io/repos/github/stipsan/ioredis-mock/badge.svg)](https://coveralls.io/github/stipsan/ioredis-mock)
 [![npm package](https://img.shields.io/npm/dm/ioredis-mock.svg)](https://www.npmjs.com/package/ioredis-mock)
 
 [![NPM](https://nodei.co/npm/ioredis-mock.png)](https://www.npmjs.com/package/ioredis-mock)

package.json

@@ -1,6 +1,6 @@
 {
   "name": "ioredis-mock",
-  "version": "1.0.3",
+  "version": "1.0.4",
   "description": "This library emulates ioredis by performing all operations in-memory.",
   "main": "./lib",
   "scripts": {

src/index.js

@@ -4,13 +4,24 @@ class RedisMock {
   constructor({ data } = { data: {} }) {
     this.data = data;
   }
+  get(key) {
+    return new Promise(resolve => resolve(
+      this.data.hasOwnProperty(key) ? this.data[key] : null
+    ));
+  }
   incr(key) {
     return new Promise(resolve => {
       const curVal = Number(this.data[key]);
       this.data[key] = curVal + 1;
       resolve(this.data[key].toString());
     });
   }
+  set(key, value) {
+    return new Promise(resolve => {
+      this.data[key] = value;
+      resolve('OK');
+    });
+  }
   hsetnx(key, hashKey, hashVal) {
     return new Promise(resolve => {
       if (!this.data.hasOwnProperty(key)) {

test/get.js

@@ -0,0 +1,21 @@
+import expect from 'expect';
+
+import MockRedis from '../src';
+
+describe('get', () => {
+  it('should return null on keys that do not exist', () => {
+    const redis = new MockRedis();
+
+    return redis.get('foo').then(result => expect(result).toBe(null));
+  });
+
+  it('should return null on keys that do not exist', () => {
+    const redis = new MockRedis({
+      data: {
+        foo: 'bar',
+      },
+    });
+
+    return redis.get('foo').then(result => expect(result).toBe('bar'));
+  });
+});

test/set.js

@@ -0,0 +1,11 @@
+import expect from 'expect';
+
+import MockRedis from '../src';
+
+describe('set', () => {
+  it('should return OK when setting a hash key', () => {
+    const redis = new MockRedis();
+    return redis.set('foo', 'bar').then(status => expect(status).toBe('OK'))
+           .then(() => expect(redis.data.foo).toBe('bar'));
+  });
+});