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https://github.com/kremalicious/metamask-extension.git
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d78cfebd43
* Jestify app/scripts/lib/*.test.js * Mocha config on mocha test script * Add app/scripts/lib to include subdirs
122 lines
3.4 KiB
JavaScript
122 lines
3.4 KiB
JavaScript
/* eslint-disable jest/no-conditional-expect */
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import fs from 'fs';
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import { cloneDeep } from 'lodash';
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import liveMigrations from '../../migrations';
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import data from '../../first-time-state';
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import Migrator from '.';
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const stubMigrations = [
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{
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version: 1,
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migrate: (state) => {
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// clone the data just like we do in migrations
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const clonedData = cloneDeep(state);
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clonedData.meta.version = 1;
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return Promise.resolve(clonedData);
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},
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},
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{
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version: 2,
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migrate: (state) => {
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const clonedData = cloneDeep(state);
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clonedData.meta.version = 2;
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return Promise.resolve(clonedData);
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},
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},
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{
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version: 3,
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migrate: (state) => {
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const clonedData = cloneDeep(state);
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clonedData.meta.version = 3;
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return Promise.resolve(clonedData);
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},
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},
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];
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const versionedData = { meta: { version: 0 }, data: { hello: 'world' } };
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const firstTimeState = {
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meta: { version: 0 },
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data,
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};
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describe('migrations', () => {
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describe('liveMigrations require list', () => {
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let migrationNumbers;
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beforeAll(() => {
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const fileNames = fs.readdirSync('./app/scripts/migrations/');
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migrationNumbers = fileNames
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.reduce((acc, filename) => {
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const name = filename.split('.')[0];
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if (/^\d+$/u.test(name)) {
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acc.push(name);
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}
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return acc;
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}, [])
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.map((num) => parseInt(num, 10));
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});
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it('should include all migrations', () => {
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migrationNumbers.forEach((num) => {
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const migration = liveMigrations.find((m) => m.version === num);
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expect(migration.version).toStrictEqual(num);
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});
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});
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it('should have tests for all migrations', () => {
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const fileNames = fs.readdirSync('./app/scripts/migrations/');
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const testNumbers = fileNames
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.reduce((acc, filename) => {
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const name = filename.split('.test.')[0];
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// eslint-disable-next-line jest/no-if
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if (/^\d+$/u.test(name)) {
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acc.push(name);
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}
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return acc;
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}, [])
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.map((num) => parseInt(num, 10));
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migrationNumbers.forEach((num) => {
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if (num >= 33) {
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expect(testNumbers).toContain(num);
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}
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});
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});
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});
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describe('Migrator', () => {
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it('migratedData version should be version 3', async () => {
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const migrator = new Migrator({ migrations: stubMigrations });
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const migratedData = await migrator.migrateData(versionedData);
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expect(migratedData.meta.version).toStrictEqual(
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stubMigrations[2].version,
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);
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});
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it('should match the last version in live migrations', async () => {
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const migrator = new Migrator({ migrations: liveMigrations });
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const migratedData = await migrator.migrateData(firstTimeState);
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const last = liveMigrations.length - 1;
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expect(migratedData.meta.version).toStrictEqual(
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liveMigrations[last].version,
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);
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});
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it('should emit an error', async () => {
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const migrator = new Migrator({
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migrations: [
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{
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version: 1,
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async migrate() {
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throw new Error('test');
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},
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},
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],
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});
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await expect(async () => {
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await migrator.migrateData({ meta: { version: 0 } });
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}).rejects.toThrow('Error: MetaMask Migration Error #1: test');
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});
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});
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});
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