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metamask-extension/ui/app/helpers/utils/confirm-tx.util.test.js
2020-12-03 09:46:22 -06:00

148 lines
4.3 KiB
JavaScript

import assert from 'assert'
import * as utils from './confirm-tx.util'
describe('Confirm Transaction utils', function () {
describe('increaseLastGasPrice', function () {
it('should increase the gasPrice by 10%', function () {
const increasedGasPrice = utils.increaseLastGasPrice('0xa')
assert.strictEqual(increasedGasPrice, '0xb')
})
it('should prefix the result with 0x', function () {
const increasedGasPrice = utils.increaseLastGasPrice('a')
assert.strictEqual(increasedGasPrice, '0xb')
})
})
describe('hexGreaterThan', function () {
it('should return true if the first value is greater than the second value', function () {
assert.strictEqual(utils.hexGreaterThan('0xb', '0xa'), true)
})
it('should return false if the first value is less than the second value', function () {
assert.strictEqual(utils.hexGreaterThan('0xa', '0xb'), false)
})
it('should return false if the first value is equal to the second value', function () {
assert.strictEqual(utils.hexGreaterThan('0xa', '0xa'), false)
})
it('should correctly compare prefixed and non-prefixed hex values', function () {
assert.strictEqual(utils.hexGreaterThan('0xb', 'a'), true)
})
})
describe('getHexGasTotal', function () {
it('should multiply the hex gasLimit and hex gasPrice values together', function () {
assert.strictEqual(
utils.getHexGasTotal({ gasLimit: '0x5208', gasPrice: '0x3b9aca00' }),
'0x1319718a5000',
)
})
it('should prefix the result with 0x', function () {
assert.strictEqual(
utils.getHexGasTotal({ gasLimit: '5208', gasPrice: '3b9aca00' }),
'0x1319718a5000',
)
})
})
describe('addEth', function () {
it('should add two values together rounding to 6 decimal places', function () {
assert.strictEqual(utils.addEth('0.12345678', '0'), '0.123457')
})
it('should add any number of values together rounding to 6 decimal places', function () {
assert.strictEqual(
utils.addEth(
'0.1',
'0.02',
'0.003',
'0.0004',
'0.00005',
'0.000006',
'0.0000007',
),
'0.123457',
)
})
})
describe('addFiat', function () {
it('should add two values together rounding to 2 decimal places', function () {
assert.strictEqual(utils.addFiat('0.12345678', '0'), '0.12')
})
it('should add any number of values together rounding to 2 decimal places', function () {
assert.strictEqual(
utils.addFiat(
'0.1',
'0.02',
'0.003',
'0.0004',
'0.00005',
'0.000006',
'0.0000007',
),
'0.12',
)
})
})
describe('getValueFromWeiHex', function () {
it('should get the transaction amount in ETH', function () {
const ethTransactionAmount = utils.getValueFromWeiHex({
value: '0xde0b6b3a7640000',
toCurrency: 'ETH',
conversionRate: 468.58,
numberOfDecimals: 6,
})
assert.strictEqual(ethTransactionAmount, '1')
})
it('should get the transaction amount in fiat', function () {
const fiatTransactionAmount = utils.getValueFromWeiHex({
value: '0xde0b6b3a7640000',
toCurrency: 'usd',
conversionRate: 468.58,
numberOfDecimals: 2,
})
assert.strictEqual(fiatTransactionAmount, '468.58')
})
})
describe('getTransactionFee', function () {
it('should get the transaction fee in ETH', function () {
const ethTransactionFee = utils.getTransactionFee({
value: '0x1319718a5000',
toCurrency: 'ETH',
conversionRate: 468.58,
numberOfDecimals: 6,
})
assert.strictEqual(ethTransactionFee, '0.000021')
})
it('should get the transaction fee in fiat', function () {
const fiatTransactionFee = utils.getTransactionFee({
value: '0x1319718a5000',
toCurrency: 'usd',
conversionRate: 468.58,
numberOfDecimals: 2,
})
assert.strictEqual(fiatTransactionFee, '0.01')
})
})
describe('formatCurrency', function () {
it('should format USD values', function () {
const value = utils.formatCurrency('123.45', 'usd')
assert.strictEqual(value, '$123.45')
})
})
})