[update] Fix coins logic, and fix test

Author: duvanmonsa

constants/coinsSymbols.js

@@ -0,0 +1,17 @@
+'use strict'
+
+const coins = Object.freeze({
+  BTC: 'bitcoin',
+  BCH: 'bitcoin-cash',
+  ETH: 'ethereum',
+  ETC: 'ethereum-classic',
+  LTC: 'litecoin',
+  XRP: 'ripple',
+  ADA: 'cardano',
+  IOT: 'iota',
+  XEM: 'nem',
+  XLM: 'stellar',
+  DASH: 'dash'
+})
+
+module.exports = coins

lib/coinPrice.js

@@ -3,15 +3,17 @@
 const rp = require('request-promise')
 const logError = require('debug')('bot:error')
 
+const coinsSymbols = require('./../constants/coinsSymbols')
+
 function coinPrice (bot, message) {
   const re = /(BTC|BCH|ETH|LTC|XRP|ADA|IOT|XEM|XLM|DASH)/gi
-  const coin = message.text.match(re) ? message.text.match(re)[0].toUpperCase() : null
+  const coinSymbol = message.text.match(re) ? message.text.match(re)[0].toUpperCase() : null
 
-  if (coin) {
-    return rp(`http://www.coincap.io/page/${coin}`)
+  if (coinSymbol) {
+    return rp(`https://api.coincap.io/v2/rates/${coinsSymbols[coinSymbol]}`)
       .then((coin) => {
-        const coinInfo = JSON.parse(coin)
-        return bot.reply(message, `*${coinInfo.id} = ${coinInfo.price}* _Price from coincap.io API_`)
+        const { data: coinInfo } = JSON.parse(coin)
+        return bot.reply(message, `*${coinInfo.id} = ${parseFloat(coinInfo.rateUsd, 10).toFixed(2)} USD* _Price from coincap.io API_`)
       })
       .catch(err => {
         logError('caught', err)

test/coinPrice.js

@@ -25,14 +25,14 @@ test.beforeEach(t => {
   }
 })
 
-test.skip('it returns the actual price of the selected coin', t => {
+test('it returns the actual price of the selected coin', t => {
   t.plan(1)
 
   const { bot, message } = t.context
-  const reply = '*BTC ='
+  const reply = '*bitcoin ='
 
   // make coin request
   return coinPrice(bot, message).then(() => {
-    t.is(bot.reply.args[0][1].slice(0, 6), reply, 'bot replied')
+    t.is(bot.reply.args[0][1].slice(0, 10), reply, 'bot replied')
   })
 })

upgrade-checklist.md

@@ -24,7 +24,7 @@
   - [x] standard           10.0.3   10.0.3   14.3.1
     - [x] update files to match new standard
   - [ ] superagent          3.8.2    3.8.3    5.1.0
-- [ ] fix coin command
+- [x] fix coin command
 - [ ] use native Promises
 - [ ] can we remove babel-preset-env?
 - [ ] can we get nock tests to be parallel?