mirror of
https://github.com/kremalicious/metamask-extension.git
synced 2024-12-23 09:52:26 +01:00
24 lines
1.1 KiB
JavaScript
24 lines
1.1 KiB
JavaScript
const assert = require('assert')
|
|
const txStateHistoryHelper = require('../../app/scripts/lib/tx-state-history-helper')
|
|
const testVault = require('../data/v17-long-history.json')
|
|
|
|
|
|
describe('tx-state-history-helper', function () {
|
|
it('migrates history to diffs and can recover original values', function () {
|
|
testVault.data.TransactionController.transactions.forEach((tx, index) => {
|
|
const newHistory = txStateHistoryHelper.migrateFromSnapshotsToDiffs(tx.history)
|
|
newHistory.forEach((newEntry, index) => {
|
|
if (index === 0) {
|
|
assert.equal(Array.isArray(newEntry), false, 'initial history item IS NOT a json patch obj')
|
|
} else {
|
|
assert.equal(Array.isArray(newEntry), true, 'non-initial history entry IS a json patch obj')
|
|
}
|
|
const oldEntry = tx.history[index]
|
|
const historySubset = newHistory.slice(0, index + 1)
|
|
const reconstructedValue = txStateHistoryHelper.replayHistory(historySubset)
|
|
assert.deepEqual(oldEntry, reconstructedValue, 'was able to reconstruct old entry from diffs')
|
|
})
|
|
})
|
|
})
|
|
})
|