test fixup

test/commands/watch.spec.js

@@ -1,44 +1,44 @@
 'use strict'
 
-var assert = require('assert')
-var config = require('../lib/config')
-var helper = require('../helper')
-var redis = config.redis
+const assert = require('assert')
+const config = require('../lib/config')
+const helper = require('../helper')
+const redis = config.redis
 
-describe('The \'watch\' method', function () {
-  helper.allTests(function (ip, args) {
-    var watched = 'foobar'
+describe('The \'watch\' method', () => {
+  helper.allTests((ip, args) => {
+    const watched = 'foobar'
 
-    describe('using ' + ip, function () {
-      var client
+    describe(`using ${ip}`, () => {
+      let client
 
-      beforeEach(function (done) {
+      beforeEach((done) => {
         client = redis.createClient.apply(null, args)
-        client.once('ready', function () {
+        client.once('ready', () => {
           client.flushdb(done)
         })
       })
 
-      afterEach(function () {
+      afterEach(() => {
         client.end(true)
       })
 
-      it('does not execute transaction if watched key was modified prior to execution', function (done) {
+      it('does not execute transaction if watched key was modified prior to execution', (done) => {
         client.watch(watched)
         client.incr(watched)
-        var multi = client.multi()
+        const multi = client.multi()
         multi.incr(watched)
         multi.exec(helper.isNull(done))
       })
 
-      it('successfully modifies other keys independently of transaction', function (done) {
+      it('successfully modifies other keys independently of transaction', (done) => {
         client.set('unwatched', 200)
 
         client.set(watched, 0)
         client.watch(watched)
         client.incr(watched)
 
-        client.multi().incr(watched).exec(function (err, replies) {
+        client.multi().incr(watched).exec((err, replies) => {
           assert.strictEqual(err, null)
           assert.strictEqual(replies, null, 'Aborted transaction multi-bulk reply should be null.')