A Metamask fork with Infura removed and default networks editable
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ciphermask/ui/app/hooks/tests/useCurrencyDisplay.test.js

126 lines
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import assert from 'assert'
import { renderHook } from '@testing-library/react-hooks'
import * as reactRedux from 'react-redux'
import sinon from 'sinon'
import { useCurrencyDisplay } from '../useCurrencyDisplay'
import { getCurrentCurrency, getNativeCurrency, getConversionRate } from '../../selectors'
const tests = [
{
input: {
value: '0x2386f26fc10000',
numberOfDecimals: 2,
currency: 'usd',
},
result: {
value: '$2.80',
suffix: 'USD',
displayValue: '$2.80 USD',
},
},
{
input: {
value: '0x2386f26fc10000',
currency: 'usd',
},
result: {
value: '$2.80',
suffix: 'USD',
displayValue: '$2.80 USD',
},
},
{
input: {
value: '0x1193461d01595930',
currency: 'ETH',
numberOfDecimals: 3,
},
result: {
value: '1.266',
suffix: 'ETH',
displayValue: '1.266 ETH',
},
},
{
input: {
value: '0x1193461d01595930',
currency: 'ETH',
numberOfDecimals: 3,
hideLabel: true,
},
result: {
value: '1.266',
suffix: undefined,
displayValue: '1.266',
},
},
{
input: {
value: '0x3b9aca00',
currency: 'ETH',
denomination: 'GWEI',
hideLabel: true,
},
result: {
value: '1',
suffix: undefined,
displayValue: '1',
},
},
{
input: {
value: '0x3b9aca00',
currency: 'ETH',
denomination: 'WEI',
hideLabel: true,
},
result: {
value: '1000000000',
suffix: undefined,
displayValue: '1000000000',
},
},
{
input: {
value: '0x3b9aca00',
currency: 'ETH',
numberOfDecimals: 100,
hideLabel: true,
},
result: {
value: '0.000000001',
suffix: undefined,
displayValue: '0.000000001',
},
},
]
describe('useCurrencyDisplay', function () {
tests.forEach(({ input: { value, ...restProps }, result }) => {
describe(`when input is { value: ${value}, decimals: ${restProps.numberOfDecimals}, denomation: ${restProps.denomination} }`, function () {
const stub = sinon.stub(reactRedux, 'useSelector')
stub.callsFake((selector) => {
if (selector === getCurrentCurrency) {
return 'usd'
} else if (selector === getNativeCurrency) {
return 'ETH'
} else if (selector === getConversionRate) {
return 280.45
}
return undefined
})
const hookReturn = renderHook(() => useCurrencyDisplay(value, restProps))
const [displayValue, parts] = hookReturn.result.current
stub.restore()
it(`should return ${result.displayValue} as displayValue`, function () {
assert.equal(displayValue, result.displayValue)
})
it(`should return ${result.value} as value`, function () {
assert.equal(parts.value, result.value)
})
it(`should return ${result.suffix} as suffix`, function () {
assert.equal(parts.suffix, result.suffix)
})
})
})
})