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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://api.infura.io')
.get('/v1/ticker/ethusd')
.reply(200, '{"base": "ETH", "quote": "USD", "bid": 288.45, "ask": 288.46, "volume": 112888.17569277, "exchange": "bitfinex", "total_volume": 272175.00106721005, "num_exchanges": 8, "timestamp": 1506444677}')
assert.equal(currencyController.getConversionRate(), 0)
currencyController.setCurrentCurrency('usd')
currencyController.updateConversionRate()
.then(function () {
var result = currencyController.getConversionRate()
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://api.infura.io')
.get('/v1/ticker/ethjpy')
.reply(200, '{"base": "ETH", "quote": "JPY", "bid": 32300.0, "ask": 32400.0, "volume": 247.4616071, "exchange": "kraken", "total_volume": 247.4616071, "num_exchanges": 1, "timestamp": 1506444676}')
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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