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-rw-r--r--test/unit/token-rates-controller.js29
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+const assert = require('assert')
+const sinon = require('sinon')
+const TokenRatesController = require('../../app/scripts/controllers/token-rates')
+const ObservableStore = require('obs-store')
+
+describe('TokenRatesController', () => {
+ it('should listen for preferences store updates', () => {
+ const preferences = new ObservableStore({ tokens: [] })
+ const controller = new TokenRatesController({ preferences })
+ preferences.putState({ tokens: ['foo'] })
+ assert.deepEqual(controller._tokens, ['foo'])
+ })
+
+ it('should poll on correct interval', async () => {
+ const stub = sinon.stub(global, 'setInterval')
+ new TokenRatesController({ interval: 1337 }) // eslint-disable-line no-new
+ assert.strictEqual(stub.getCall(0).args[1], 1337)
+ stub.restore()
+ })
+
+ it('should fetch each token rate based on address', async () => {
+ const controller = new TokenRatesController()
+ controller.isActive = true
+ controller.fetchExchangeRate = address => address
+ controller.tokens = [{ address: 'foo' }, { address: 'bar' }]
+ await controller.updateExchangeRates()
+ assert.deepEqual(controller.store.getState().contractExchangeRates, { foo: 'foo', bar: 'bar' })
+ })
+})