tokenbridge/token-bridge/test/utils.test.js

138 lines
3.6 KiB
JavaScript

const sinon = require('sinon')
const chai = require('chai')
const chaiAsPromised = require('chai-as-promised')
const BigNumber = require('bignumber.js')
const proxyquire = require('proxyquire')
const { addExtraGas, syncForEach } = require('../src/utils/utils')
chai.use(chaiAsPromised)
const { expect } = chai
describe('utils', () => {
describe('addExtraGas', () => {
it('should return a BigNumber', () => {
const result = addExtraGas(100, 0.25)
expect(BigNumber.isBigNumber(result)).to.equal(true)
})
it('should work with numbers', () => {
const result = addExtraGas(100, 0.25)
expect(result.toString()).to.equal('125')
})
it('should work with BigNumbers', () => {
const result = addExtraGas(new BigNumber(100), 0.25)
expect(result.toString()).to.equal('125')
})
it('should accept factors bigger than 1', () => {
const result = addExtraGas(new BigNumber(100), 1.25)
expect(result.toString()).to.equal('225')
})
})
describe('checkHTTPS', () => {
let utils
const logger = { warn: sinon.stub() }
beforeEach(() => {
logger.warn.reset()
utils = proxyquire('../src/utils/utils', { '../services/logger': logger })
})
it('should do nothing if HTTP is allowed and the URL is https', () => {
utils.checkHTTPS('yes', logger)('home')('https://www.google.com')
expect(logger.warn.called).to.equal(false)
})
it('should emit a warning if HTTP is allowed and the URL is http', () => {
utils.checkHTTPS('yes', logger)('home')('http://www.google.com')
expect(logger.warn.called).to.equal(true)
})
it('should do nothing if HTTP is not allowed and the URL is https', () => {
utils.checkHTTPS('no', logger)('home')('https://www.google.com')
expect(logger.warn.called).to.equal(false)
})
it('should throw an error if HTTP is not allowed and the URL is http', () => {
expect(() => utils.checkHTTPS('no', logger)('home')('http://www.google.com')).to.throw()
})
})
describe('syncForEach', () => {
it('should execute callback sequentially', async () => {
const xs = []
await syncForEach(
[1, 2, 3],
x =>
new Promise(resolve => {
xs.push(x)
resolve()
})
)
expect(xs).to.deep.equal([1, 2, 3])
})
it('should receive the index and the full array', async () => {
const xs = []
const is = []
const arrays = []
await syncForEach(
[1, 2, 3],
(x, i, array) =>
new Promise(resolve => {
xs.push(x)
is.push(i)
arrays.push(array)
resolve()
})
)
expect(xs).to.deep.equal([1, 2, 3])
expect(is).to.deep.equal([0, 1, 2])
expect(arrays).to.deep.equal([[1, 2, 3], [1, 2, 3], [1, 2, 3]])
})
it('should fail and stop when the callback fails', () => {
const xs = []
const promise = syncForEach(
[1, 2, 3],
x =>
new Promise((resolve, reject) => {
if (x === 2) {
return reject()
}
xs.push(x)
return resolve()
})
)
return expect(promise).to.be.rejected.then(() => {
expect(xs).to.deep.equal([1])
})
})
it('should work with an empty array', () => {
const xs = []
const promise = syncForEach(
[],
x =>
new Promise(resolve => {
xs.push(x)
return resolve()
})
)
return expect(promise).to.be.fulfilled.then(() => {
expect(xs).to.deep.equal([])
})
})
})
})