142 lines
4.2 KiB
JavaScript
142 lines
4.2 KiB
JavaScript
const sinon = require('sinon')
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const { expect } = require('chai')
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const proxyquire = require('proxyquire').noPreserveCache()
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const { DEFAULT_UPDATE_INTERVAL } = require('../src/utils/constants')
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const utils = { setIntervalAndRun: sinon.spy() }
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const fetchStub = () => ({
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json: () => ({
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standard: '103'
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})
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})
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const fakeLogger = { error: sinon.spy(), warn: sinon.spy(), child: () => fakeLogger }
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fetchStub['@global'] = true
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const gasPriceDefault = proxyquire('../src/services/gasPrice', {
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'../utils/utils': utils,
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'node-fetch': fetchStub,
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'../services/logger': { child: () => fakeLogger }
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})
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process.env.ORACLE_HOME_GAS_PRICE_UPDATE_INTERVAL = 15000
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process.env.ORACLE_FOREIGN_GAS_PRICE_UPDATE_INTERVAL = 30000
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process.env.COMMON_HOME_GAS_PRICE_FALLBACK = '101000000000'
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const gasPrice = proxyquire('../src/services/gasPrice', {
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'../utils/utils': utils,
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'node-fetch': fetchStub,
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'../services/logger': { child: () => fakeLogger }
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})
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describe('gasPrice', () => {
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beforeEach(() => {
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utils.setIntervalAndRun.resetHistory()
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fakeLogger.error.resetHistory()
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fakeLogger.warn.resetHistory()
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})
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describe('start', () => {
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it('should call setIntervalAndRun with ORACLE_HOME_GAS_PRICE_UPDATE_INTERVAL interval value on Home', async () => {
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// when
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await gasPrice.start('home')
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// then
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expect(utils.setIntervalAndRun.args[0][1]).to.equal(process.env.ORACLE_HOME_GAS_PRICE_UPDATE_INTERVAL.toString())
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})
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it('should call setIntervalAndRun with ORACLE_FOREIGN_GAS_PRICE_UPDATE_INTERVAL interval value on Foreign', async () => {
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// when
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await gasPrice.start('foreign')
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// then
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expect(utils.setIntervalAndRun.args[0][1]).to.equal(
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process.env.ORACLE_FOREIGN_GAS_PRICE_UPDATE_INTERVAL.toString()
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)
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})
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it('should call setIntervalAndRun with default interval value on Home', async () => {
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// when
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await gasPriceDefault.start('home')
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// then
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expect(utils.setIntervalAndRun.args[0][1]).to.equal(DEFAULT_UPDATE_INTERVAL)
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})
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it('should call setIntervalAndRun with default interval value on Foreign', async () => {
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// when
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await gasPriceDefault.start('foreign')
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// then
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expect(utils.setIntervalAndRun.args[0][1]).to.equal(DEFAULT_UPDATE_INTERVAL)
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})
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})
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describe('fetching gas price', () => {
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it('should fall back to default if contract and supplier are not working', async () => {
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// given
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await gasPrice.start('home')
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// when
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await gasPrice.fetchGasPrice('standard', 1, null, null)
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// then
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expect(gasPrice.getPrice()).to.equal('101000000000')
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})
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it('should fetch gas from supplier', async () => {
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// given
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await gasPrice.start('home')
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// when
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await gasPrice.fetchGasPrice('standard', 1, null, 'url')
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// then
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expect(gasPrice.getPrice().toString()).to.equal('103000000000')
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})
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it('should fetch gas from contract', async () => {
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// given
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await gasPrice.start('home')
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const bridgeContractMock = {
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methods: {
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gasPrice: sinon.stub().returns({
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call: sinon.stub().returns(Promise.resolve('102000000000'))
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})
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}
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}
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// when
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await gasPrice.fetchGasPrice('standard', 1, bridgeContractMock, null)
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// then
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expect(gasPrice.getPrice().toString()).to.equal('102000000000')
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})
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it('should fetch the gas price from the oracle first', async () => {
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// given
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await gasPrice.start('home')
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const bridgeContractMock = {
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methods: {
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gasPrice: sinon.stub().returns({
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call: sinon.stub().returns(Promise.resolve('102000000000'))
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})
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}
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}
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// when
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await gasPrice.fetchGasPrice('standard', 1, bridgeContractMock, 'url')
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// then
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expect(gasPrice.getPrice().toString()).to.equal('103000000000')
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})
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it('log error using the logger', async () => {
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// given
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await gasPrice.start('home')
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// when
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await gasPrice.fetchGasPrice('standard', 1, null, null)
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// then
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expect(fakeLogger.warn.calledOnce).to.equal(true) // one warning
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expect(fakeLogger.error.calledOnce).to.equal(true) // one error
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})
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})
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})
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