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) { 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) }) }) }) }) })