test(private-greetings): Add tests for /start in private

package.json

@@ -36,6 +36,7 @@
     "cross-env": "^5.1.1",
     "eslint": "^4.12.0",
     "eslint-config-atomix-base": "^5.0.0",
+    "faker": "^4.1.0",
     "husky": "^0.14.3",
     "nodemon": "^1.12.1",
     "nyc": "^11.3.0",

src/features/get-id/get-id.test.js

@@ -13,14 +13,13 @@ test('!id command reply with chat id', async (t) => {
   const bot = {
     hears(re, fn) {
       t.is(re.toString(), /^!id$/.toString())
+      t.true(typeof fn === 'function')
       testFn = fn
     },
   }
   const context = Context.create()
 
   installFeature(bot)
-  t.true(typeof testFn === 'function')
-
   testFn(context)
   t.true(context.reply.calledWith(context.chat.id, Extra.inReplyTo(context.message.message_id)))
 })

src/features/private-greetings/private-greetings.test.js

@@ -0,0 +1,85 @@
+import test from 'ava'
+
+import { Context } from '../../tests/telegraf'
+import installFeature from './index'
+
+/* eslint-disable no-magic-numbers */
+
+test('/start reply with greet in private', async (t) => {
+  let testFn = null
+  const bot = {
+    command(cmd, fn) {
+      t.is(cmd, 'start', 'command is start')
+      t.true(typeof fn === 'function', 'callback is function')
+      testFn = fn
+    },
+  }
+  const context = Context.create()
+
+  context.message.$from()
+
+  installFeature(bot)
+
+  testFn(context)
+  t.regex(context.reply.getCall(0).args[0], new RegExp(`${context.message.from.first_name}`))
+})
+
+test('/start not reply in supergroup', async (t) => {
+  let testFn = null
+  const bot = {
+    command(cmd, fn) {
+      t.is(cmd, 'start', 'command is start')
+      t.true(typeof fn === 'function', 'callback is function')
+      testFn = fn
+    },
+  }
+  const context = Context.create()
+
+  context.message.$from()
+  context.chat.$type('supergroup')
+
+  installFeature(bot)
+
+  testFn(context)
+  t.true(context.reply.notCalled)
+})
+
+test('/start not reply in group', async (t) => {
+  let testFn = null
+  const bot = {
+    command(cmd, fn) {
+      t.is(cmd, 'start', 'command is start')
+      t.true(typeof fn === 'function', 'callback is function')
+      testFn = fn
+    },
+  }
+  const context = Context.create()
+
+  context.message.$from()
+  context.chat.$type('group')
+
+  installFeature(bot)
+
+  testFn(context)
+  t.true(context.reply.notCalled)
+})
+
+test('/start not reply in channel', async (t) => {
+  let testFn = null
+  const bot = {
+    command(cmd, fn) {
+      t.is(cmd, 'start', 'command is start')
+      t.true(typeof fn === 'function', 'callback is function')
+      testFn = fn
+    },
+  }
+  const context = Context.create()
+
+  context.message.$from()
+  context.chat.$type('channel')
+
+  installFeature(bot)
+
+  testFn(context)
+  t.true(context.reply.notCalled)
+})

src/tests/telegraf.js

@@ -1,23 +1,44 @@
 const sinon = require('sinon')
+const faker = require('faker')
 
 
+const ID_USER_START = 10000
 const ID_MESSAGE_START = 1000000
 const ID_CHAT_START = 1000
 
+let ID_USER = ID_USER_START
 let ID_MESSAGE = ID_MESSAGE_START
 let ID_CHAT = ID_CHAT_START
 
+class User {
+  constructor() {
+    this.id = ++ID_USER
+    this.is_bot = false
+    this.first_name = faker.name.firstName()
+    this.last_name = faker.name.lastName()
+    this.username = faker.internet.userName(this.first_name, this.last_name)
+  }
+}
+
 class Chat {
   constructor() {
     this.id = ++ID_CHAT
     this.type = 'private'
   }
 
+  /**
+   *
+   * @param {'private'|'group'|'supergroup'|'channel'} type
+   */
   $type(type) {
     this.type = type
     return this
   }
 
+  /**
+   *
+   * @param {string} title
+   */
   $title(title) {
     this.title = title
     return this
@@ -30,6 +51,10 @@ class Message {
     this.date = Date.now()
     this.chat = new Chat()
   }
+
+  $from() {
+    this.from = new User()
+  }
 }
 
 class Context {
@@ -39,10 +64,17 @@ class Context {
 
   constructor() {
     this.message = new Message()
-    this.chat = this.message.chat
 
     this.reply = sinon.stub().resolves()
   }
+
+  get from() {
+    return this.message.from
+  }
+
+  get chat() {
+    return this.message.chat
+  }
 }
 
 module.exports = {