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// polyfill fetch
global.fetch = global.fetch || require('isomorphic-fetch')
const assert = require('assert')
const nock = require('nock')
const CurrencyController = require('../../app/scripts/controllers/currency')
describe('currency-controller', function () {
var currencyController
beforeEach(function () {
currencyController = new CurrencyController()
})
describe('currency conversions', function () {
describe('#setCurrentCurrency', function () {
it('should return USD as default', function () {
assert.equal(currencyController.getCurrentCurrency(), 'USD')
})
it('should be able to set to other currency', function () {
assert.equal(currencyController.getCurrentCurrency(), 'USD')
currencyController.setCurrentCurrency('JPY')
var result = currencyController.getCurrentCurrency()
assert.equal(result, 'JPY')
})
})
describe('#getConversionRate', function () {
it('should return undefined if non-existent', function () {
var result = currencyController.getConversionRate()
assert.ok(!result)
})
})
describe('#updateConversionRate', function () {
it('should retrieve an update for ETH to USD and set it in memory', function (done) {
this.timeout(15000)
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(currencyController.getConversionRate(), 0)
currencyController.setCurrentCurrency('USD')
currencyController.updateConversionRate()
.then(function () {
var result = currencyController.getConversionRate()
console.log('currencyController.getConversionRate:', result)
assert.equal(typeof result, 'number')
done()
}).catch(function (err) {
done(err)
})
})
it('should work for JPY as well.', function () {
this.timeout(15000)
assert.equal(currencyController.getConversionRate(), 0)
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) {
currencyController.setCurrentCurrency('JPY')
currencyController.updateConversionRate().then(function () {
resolve()
})
})
promise.then(function () {
var result = currencyController.getConversionRate()
assert.equal(typeof result, 'number')
}).catch(function (done, err) {
done(err)
})
})
})
})
})
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