chore: refactor codebase to promises

test/commands/rpush.spec.js

@@ -3,27 +3,21 @@
 const config = require('../lib/config')
 const helper = require('../helper')
 const redis = config.redis
-const assert = require('assert')
 
 describe('The \'rpush\' command', () => {
   helper.allTests((ip, args) => {
     describe(`using ${ip}`, () => {
       let client
 
-      beforeEach((done) => {
+      beforeEach(() => {
         client = redis.createClient.apply(null, args)
-        client.once('ready', () => {
-          client.flushdb(done)
-        })
+        return client.flushdb()
       })
 
-      it('inserts multiple values at a time into a list', (done) => {
-        client.rpush('test', ['list key', 'should be a list'])
-        client.lrange('test', 0, -1, (err, res) => {
-          assert.strictEqual(res[0], 'list key')
-          assert.strictEqual(res[1], 'should be a list')
-          done(err)
-        })
+      it('inserts multiple values at a time into a list', () => {
+        const list = ['list key', 'should be a list']
+        client.rpush('test', list)
+        return client.lrange('test', 0, -1).then(helper.isDeepEqual(list))
       })
 
       afterEach(() => {