Added I.say method (#367)

* added I.say method

* added say to actor test

Author: DavertMik

examples/github_test.js

@@ -14,6 +14,7 @@ Scenario('search', (I) => {
 
 Scenario('signin', (I) => {
   I.click('Sign in');
+  I.say('it should not enter');
   I.see('Sign in to GitHub');
   I.fillField('Username or email address', 'something@totest.com');
   I.fillField('Password', '123456');

lib/actor.js

@@ -4,6 +4,7 @@ let container = require('./container');
 let methodsOfObject = require('./utils').methodsOfObject;
 let recorder = require('./recorder');
 let event = require('./event');
+let output = require('./output');
 
 /**
  * Fetches all methods from all enabled helpers,
@@ -14,10 +15,10 @@ module.exports = function (obj) {
   obj = obj || {};
 
   let helpers = container.helpers();
+
+  // add methods from enabled helpers
   Object.keys(helpers)
-    .map(function (key) {
-      return helpers[key];
-    })
+    .map((key) => helpers[key])
     .forEach((helper) => {
       methodsOfObject(helper, 'Helper')
       .filter((method) => {
@@ -32,11 +33,15 @@ module.exports = function (obj) {
             step.name = actionAlias;
             step.actor = container.translation().I;
           }
+          // add methods to promise chain
           return recordStep(step, Array.prototype.slice.call(arguments));
         };
       });
     });
 
+  // add print comment method
+  obj.say = (msg) => recorder.add(`say ${msg}`, () => output.say(msg));
+
   return obj;
 };
 

test/unit/actor_test.js

@@ -23,8 +23,8 @@ describe('Actor', () => {
     I = actor();
   });
 
-  it('should take all methods of helpers', () => {
-    I.should.have.keys(['hello', 'bye', 'greeting']);
+  it('should take all methods from helpers and built in', () => {
+    I.should.have.keys(['hello', 'bye', 'greeting', 'say']);
   });
 
   it('should return promise', () => {