Implement usage of nock.

app/scripts/lib/config-manager.js

@@ -288,29 +288,19 @@ ConfigManager.prototype.getCurrentFiat = function () {
   return ('fiatCurrency' in data) && data.fiatCurrency
 }
 
-ConfigManager.prototype.updateConversionRate = function (mock = false, mockCurrency = 'USD') {
+ConfigManager.prototype.updateConversionRate = function () {
   var data = this.getData()
-  if (!mock) {
-    return rp(`https://www.cryptonator.com/api/ticker/eth-${data.fiatCurrency}`)
-    .then((response) => {
-      const parsedResponse = JSON.parse(response)
-      this.setConversionPrice(parsedResponse.ticker.price)
-      this.setConversionDate(parsedResponse.timestamp)
-    }).catch((err) => {
-      console.error('Error in conversion.', err)
-      this.setConversionPrice(0)
-      this.setConversionDate('N/A')
-    })
-  } else {
-    return new Promise(function(resolve, reject) { resolve() }).then((response) => {
-      this.setConversionPrice('11.01')
-      this.setConversionDate(1472065924)
-    }).catch((err) => {
-      console.error('Error in conversion.', err)
-      this.setConversionPrice('11.01')
-      this.setConversionDate(1472065924)
-    })
-  }
+  return rp(`https://www.cryptonator.com/api/ticker/eth-${data.fiatCurrency}`)
+  .then((response) => {
+    const parsedResponse = JSON.parse(response)
+    this.setConversionPrice(parsedResponse.ticker.price)
+    this.setConversionDate(parsedResponse.timestamp)
+  }).catch((err) => {
+    console.error('Error in conversion.', err)
+    this.setConversionPrice(0)
+    this.setConversionDate('N/A')
+  })
+
 }
 
 ConfigManager.prototype.setConversionPrice = function (price) {

package.json

@@ -108,6 +108,7 @@
     "mocha-eslint": "^2.1.1",
     "mocha-jsdom": "^1.1.0",
     "mocha-sinon": "^1.1.5",
+    "nock": "^8.0.0",
     "qs": "^6.2.0",
     "qunit": "^0.9.1",
     "sinon": "^1.17.3",

test/unit/config-manager-test.js

@@ -4,6 +4,7 @@ const STORAGE_KEY = 'metamask-persistance-key'
 var configManagerGen = require('../lib/mock-config-manager')
 var configManager
 const rp = require('request-promise')
+const nock = require('nock')
 
 describe('config-manager', function() {
 
@@ -47,12 +48,15 @@ describe('config-manager', function() {
     describe('#updateConversionRate', function() {
       it('should retrieve an update for ETH to USD and set it in memory', function(done) {
         this.timeout(15000)
+        var usdMock = nock('https://www.cryptonator.com')
+          .get('/api/ticker/eth-USD')
+          .reply(200, '{"ticker":{"base":"ETH","target":"USD","price":"11.02456145","volume":"44948.91745289","change":"-0.01472534"},"timestamp":1472072136,"success":true,"error":""}')
 
         assert.equal(configManager.getConversionRate(), false)
         var promise = new Promise(
           function (resolve, reject) {
             configManager.setCurrentFiat('USD')
-            configManager.updateConversionRate(true, 'USD').then(function() {
+            configManager.updateConversionRate().then(function() {
               resolve()
             })
         })
@@ -71,10 +75,15 @@ describe('config-manager', function() {
         this.timeout(15000)
         assert.equal(configManager.getConversionRate(), false)
 
+        var usdMock = nock('https://www.cryptonator.com')
+          .get('/api/ticker/eth-JPY')
+          .reply(200, '{"ticker":{"base":"ETH","target":"JPY","price":"11.02456145","volume":"44948.91745289","change":"-0.01472534"},"timestamp":1472072136,"success":true,"error":""}')
+
+
         var promise = new Promise(
           function (resolve, reject) {
             configManager.setCurrentFiat('JPY')
-            configManager.updateConversionRate(true, 'JPY').then(function() {
+            configManager.updateConversionRate().then(function() {
               resolve()
             })
         })