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metamask-extension/app/scripts/migrations/023.test.js

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import { TRANSACTION_STATUSES } from '../../../shared/constants/transaction';
import migration23 from './023';
const storage = {
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meta: {},
data: {
TransactionController: {
transactions: [],
},
},
};
const transactions = [];
const transactions40 = [];
const transactions20 = [];
const txStates = Object.values(TRANSACTION_STATUSES);
const deletableTxStates = [
TRANSACTION_STATUSES.CONFIRMED,
TRANSACTION_STATUSES.REJECTED,
TRANSACTION_STATUSES.FAILED,
TRANSACTION_STATUSES.DROPPED,
];
let nonDeletableCount = 0;
let status;
while (transactions.length <= 100) {
status =
txStates[Math.floor(Math.random() * Math.floor(txStates.length - 1))];
// This is an old migration, let's allow it
// eslint-disable-next-line no-loop-func
if (!deletableTxStates.find((s) => s === status)) {
nonDeletableCount += 1;
}
transactions.push({ status });
}
while (transactions40.length < 40) {
status =
txStates[Math.floor(Math.random() * Math.floor(txStates.length - 1))];
transactions40.push({ status });
}
while (transactions20.length < 20) {
status =
txStates[Math.floor(Math.random() * Math.floor(txStates.length - 1))];
transactions20.push({ status });
}
storage.data.TransactionController.transactions = transactions;
describe('storage is migrated successfully and the proper transactions are remove from state', () => {
it('should remove transactions that are unneeded', async () => {
const migratedData = await migration23.migrate(storage);
let leftoverNonDeletableTxCount = 0;
const migratedTransactions =
migratedData.data.TransactionController.transactions;
migratedTransactions.forEach((tx) => {
if (!deletableTxStates.find((s) => s === tx.status)) {
leftoverNonDeletableTxCount += 1;
}
});
expect(leftoverNonDeletableTxCount).toStrictEqual(nonDeletableCount);
expect(migratedTransactions.length >= 40).toStrictEqual(true);
});
it('should not remove any transactions because 40 is the expected limit', async () => {
storage.meta.version = 22;
storage.data.TransactionController.transactions = transactions40;
const migratedData = await migration23.migrate(storage);
const migratedTransactions =
migratedData.data.TransactionController.transactions;
expect(migratedTransactions).toHaveLength(40);
});
it('should not remove any transactions because 20 txs is under the expected limit', async () => {
storage.meta.version = 22;
storage.data.TransactionController.transactions = transactions20;
const migratedData = await migration23.migrate(storage);
const migratedTransactions =
migratedData.data.TransactionController.transactions;
expect(migratedTransactions).toHaveLength(20);
});
});