feat: implement scene test

src/alice.ts

@@ -173,16 +173,16 @@ export default class Alice implements IAlice {
        */
       if (matchedScene) {
         if (await matchedScene.isLeaveCommand(ctxWithMiddlewares)) {
-          await matchedScene.handleSceneRequest(req, sendResponse, ctxWithMiddlewares, 'leave')
+          const sceneResponse = await matchedScene.handleSceneRequest(req, sendResponse, ctxWithMiddlewares, 'leave')
           session.setData('currentScene', null)
           this._handleLeaveScene()
-          return true
+          return sceneResponse
         } else {
           const sceneResponse = await matchedScene.handleSceneRequest(
             req, sendResponse, ctxWithMiddlewares,
           )
           if (sceneResponse) {
-            return true
+            return sceneResponse
           }
         }
       }
@@ -205,7 +205,7 @@ export default class Alice implements IAlice {
           req, sendResponse, ctxWithMiddlewares, 'enter',
         )
         if (sceneResponse) {
-          return true
+          return sceneResponse
         }
       }
     }

src/context.ts

@@ -35,6 +35,9 @@ export default class Context implements IContext {
   public sendResponse: (response: WebhookResponse) => void
   public enterScene: (sceneName: string) => void
   public leaveScene: () => void
+
+  private _isReplied: boolean // forbids to send reply twice
+
   constructor(params) {
     const {
       req,
@@ -63,6 +66,8 @@ export default class Context implements IContext {
     this.replyBuilder = new ReplyBuilder(this.req)
     this.buttonBuilder = new ButtonBuilder()
 
+    this._isReplied = false
+
     if (enterScene && leaveScene) {
       this.enterScene = enterScene
       this.leaveScene = leaveScene
@@ -82,13 +87,13 @@ export default class Context implements IContext {
     return null
   }
 
-  public reply(replyMessage: string | IReply): void {
+  public reply(replyMessage: string | IReply): WebhookResponse {
     if (typeof replyMessage === 'undefined') {
       throw new Error('Reply message could not be empty!')
     }
 
     const message = this._createReply(replyMessage)
-    this._sendReply(message)
+    return this._sendReply(message)
   }
 
   public async replyWithImage(params: string | BigImageCard) {
@@ -143,7 +148,9 @@ export default class Context implements IContext {
     return replyMessage
   }
 
-  private _sendReply(replyMessage: WebhookResponse) {
+  private _sendReply(replyMessage: WebhookResponse): any {
+    if (this._isReplied) return
+    this._isReplied = true
     /*
      * That fires when listening on port.
      */

src/tests/scene.spec.ts

@@ -1,6 +1,6 @@
-import Alice from '../alice';
-
-const Scene = require('../scene')
+import Alice from '../alice'
+import Scene from '../scene'
+import { generateRequest } from './testUtils'
 
 test('creating scene with name', () => {
   const scene = new Scene('testName')
@@ -18,3 +18,47 @@ test('registering an array of scenes', () => {
   expect(alice.scenes.length).toBe(2)
 })
 
+test('register scene and enter in', async () => {
+  const alice = new Alice()
+  const scene = new Scene('123')
+  scene.enter('1', ctx => ctx.reply('enter'))
+  scene.any(ctx => ctx.reply('scene-any'))
+  scene.command('3', ctx => ctx.reply('command'))
+  scene.leave('2', ctx => ctx.reply('leave'))
+
+  alice.registerScene(scene)
+  alice.any(ctx => ctx.reply('hi'))
+
+  let res
+  res = await alice.handleRequest(generateRequest('hello'))
+  expect(res.response.text).toBe('hi')
+
+  res = await alice.handleRequest(generateRequest('1'))
+  expect(res.response.text).toBe('enter')
+  res = await alice.handleRequest(generateRequest('blablabla'))
+  expect(res.response.text).toBe('scene-any')
+
+  res = await alice.handleRequest(generateRequest('2'))
+  expect(res.response.text).toBe('leave')
+})
+
+// test('changing scene', async () => {
+//   const alice = new Alice()
+//   const scene1 = new Scene('scene1')
+//   const scene2 = new Scene('scene2')
+//   scene1.enter('keyword', ctx => {
+//     ctx.reply('test')
+//     // ctx.leaveScene()
+//     // ctx.enterScene(scene2)
+//   })
+//   scene2.any(ctx => ctx.reply('wazzup'))
+
+//   alice.registerScene([scene1, scene2])
+//   alice.any(ctx => ctx.reply('1'))
+
+//   let data
+//   data = await alice.handleRequest(generateRequest('keyword'))
+//   expect(data.response.text).toBe('1')
+//   console.log(data)
+// })
+