mirror of
https://github.com/kremalicious/metamask-extension.git
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176 lines
4.5 KiB
JavaScript
176 lines
4.5 KiB
JavaScript
import assert from 'assert'
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import BigNumber from 'bignumber.js'
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import { addCurrencies, conversionUtil } from './conversion-util'
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describe('conversion utils', function () {
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describe('addCurrencies()', function () {
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it('add whole numbers', function () {
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const result = addCurrencies(3, 9)
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assert.equal(result.toNumber(), 12)
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})
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it('add decimals', function () {
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const result = addCurrencies(1.3, 1.9)
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assert.equal(result.toNumber(), 3.2)
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})
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it('add repeating decimals', function () {
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const result = addCurrencies(1 / 3, 1 / 9)
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assert.equal(result.toNumber(), 0.4444444444444444)
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})
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})
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describe('conversionUtil', function () {
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it('Returns expected types', function () {
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const conv1 = conversionUtil(1000000000000000000, {
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fromNumericBase: 'dec',
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toNumericBase: 'hex',
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})
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const conv2 = conversionUtil(1, {
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fromNumericBase: 'dec',
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fromDenomination: 'ETH',
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toDenomination: 'WEI',
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})
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assert(
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typeof conv1 === 'string',
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'conversion 1 should return type string',
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)
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assert(conv2 instanceof BigNumber, 'conversion 2 should be a BigNumber')
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})
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it('Converts from dec to hex', function () {
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assert.equal(
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conversionUtil('1000000000000000000', {
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fromNumericBase: 'dec',
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toNumericBase: 'hex',
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}),
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'de0b6b3a7640000',
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)
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assert.equal(
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conversionUtil('1500000000000000000', {
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fromNumericBase: 'dec',
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toNumericBase: 'hex',
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}),
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'14d1120d7b160000',
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)
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})
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it('Converts hex formatted numbers to dec', function () {
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assert.equal(
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conversionUtil('0xde0b6b3a7640000', {
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fromNumericBase: 'hex',
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toNumericBase: 'dec',
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}),
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1000000000000000000,
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)
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assert.equal(
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conversionUtil('0x14d1120d7b160000', {
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fromNumericBase: 'hex',
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toNumericBase: 'dec',
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}),
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1500000000000000000,
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)
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})
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it('Converts WEI to ETH', function () {
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assert.equal(
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conversionUtil('0xde0b6b3a7640000', {
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fromNumericBase: 'hex',
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toNumericBase: 'dec',
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fromDenomination: 'WEI',
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toDenomination: 'ETH',
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}),
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1,
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)
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assert.equal(
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conversionUtil('0x14d1120d7b160000', {
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fromNumericBase: 'hex',
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toNumericBase: 'dec',
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fromDenomination: 'WEI',
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toDenomination: 'ETH',
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}),
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1.5,
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)
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})
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it('Converts ETH to WEI', function () {
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assert.equal(
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conversionUtil('1', {
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fromNumericBase: 'dec',
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fromDenomination: 'ETH',
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toDenomination: 'WEI',
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}),
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1000000000000000000,
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)
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assert.equal(
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conversionUtil('1.5', {
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fromNumericBase: 'dec',
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fromDenomination: 'ETH',
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toDenomination: 'WEI',
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}),
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1500000000000000000,
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)
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})
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it('Converts ETH to GWEI', function () {
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assert.equal(
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conversionUtil('1', {
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fromNumericBase: 'dec',
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fromDenomination: 'ETH',
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toDenomination: 'GWEI',
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}),
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1000000000,
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)
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assert.equal(
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conversionUtil('1.5', {
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fromNumericBase: 'dec',
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fromDenomination: 'ETH',
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toDenomination: 'GWEI',
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}),
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1500000000,
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)
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})
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it('Converts ETH to USD', function () {
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assert.equal(
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conversionUtil('1', {
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fromNumericBase: 'dec',
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toNumericBase: 'dec',
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toCurrency: 'usd',
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conversionRate: 468.58,
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numberOfDecimals: 2,
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}),
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468.58,
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)
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assert.equal(
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conversionUtil('1.5', {
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fromNumericBase: 'dec',
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toNumericBase: 'dec',
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toCurrency: 'usd',
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conversionRate: 468.58,
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numberOfDecimals: 2,
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}),
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702.87,
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)
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})
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it('Converts USD to ETH', function () {
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assert.equal(
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conversionUtil('468.58', {
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fromNumericBase: 'dec',
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toNumericBase: 'dec',
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toCurrency: 'usd',
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conversionRate: 468.58,
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numberOfDecimals: 2,
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invertConversionRate: true,
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}),
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1,
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)
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assert.equal(
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conversionUtil('702.87', {
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fromNumericBase: 'dec',
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toNumericBase: 'dec',
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toCurrency: 'usd',
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conversionRate: 468.58,
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numberOfDecimals: 2,
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invertConversionRate: true,
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}),
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1.5,
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)
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})
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})
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})
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