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metamask-extension/ui/app/hooks/tests/useTokenData.test.js
Erik Marks 3aaa41ef44
Replace abi-decoder with ethers (#9290)
* replace abi-decoder with ethers

* handle transaction parsing errors

* update token param getter function names

* add docstrings
2020-08-21 19:29:19 -07:00

60 lines
1.9 KiB
JavaScript

import assert from 'assert'
import { ethers } from 'ethers'
import { renderHook } from '@testing-library/react-hooks'
import { useTokenData } from '../useTokenData'
const tests = [
{
data: '0xa9059cbb000000000000000000000000ffe5bc4e8f1f969934d773fa67da095d2e491a970000000000000000000000000000000000000000000000000000000000003a98',
tokenData: {
'name': 'transfer',
'args': [
'0xffe5bc4e8f1f969934d773fa67da095d2e491a97',
ethers.BigNumber.from(15000),
],
},
},
{
data: '0xa9059cbb000000000000000000000000ffe5bc4e8f1f969934d773fa67da095d2e491a9700000000000000000000000000000000000000000000000000000000000061a8',
tokenData: {
'name': 'transfer',
'args': [
'0xffe5bc4e8f1f969934d773fa67da095d2e491a97',
ethers.BigNumber.from(25000),
],
},
},
{
data: '0xa9059cbb000000000000000000000000ffe5bc4e8f1f969934d773fa67da095d2e491a970000000000000000000000000000000000000000000000000000000000002710',
tokenData: {
'name': 'transfer',
'args': [
'0xffe5bc4e8f1f969934d773fa67da095d2e491a97',
ethers.BigNumber.from(10000),
],
},
},
{
data: undefined,
tokenData: null,
},
]
describe('useTokenData', function () {
tests.forEach((test) => {
const testTitle = test.tokenData === null
? `should return null when no data provided`
: `should return properly decoded data with _value ${test.tokenData.args[1].value}`
it(testTitle, function () {
const { result } = renderHook(() => useTokenData(test.data))
if (test.tokenData) {
assert.equal(result.current.name, test.tokenData.name)
assert.equal(result.current.args[0].toLowerCase(), test.tokenData.args[0])
assert.ok(test.tokenData.args[1].eq(result.current.args[1]))
} else {
assert.equal(result.current, test.tokenData)
}
})
})
})