jest/e2e/__tests__/randomize.test.ts

86 lines
2.1 KiB
TypeScript

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
import * as path from 'path';
import {skipSuiteOnJasmine} from '@jest/test-utils';
import {extractSummary} from '../Utils';
import runJest, {RunJestResult} from '../runJest';
skipSuiteOnJasmine();
const dir = path.resolve(__dirname, '../randomize');
const trimFirstLine = (str: string): string =>
str.split('\n').slice(1).join('\n');
function runJestTwice(
dir: string,
args: Array<string>,
): [RunJestResult, RunJestResult] {
return [
runJest(dir, [...args, '--randomize']),
runJest(dir, [...args, '--config', 'different-config.json']),
];
}
test('works with passing tests', () => {
const [result1, result2] = runJestTwice(dir, [
'success.test.js',
'--seed',
'123',
]);
const rest1 = trimFirstLine(extractSummary(result1.stderr).rest);
const rest2 = trimFirstLine(extractSummary(result2.stderr).rest);
expect(rest1).toEqual(rest2);
expect(rest1).toMatchSnapshot();
});
test('works with each', () => {
const [result1, result2] = runJestTwice(dir, [
'each.test.js',
'--seed',
'123',
]);
const rest1 = trimFirstLine(extractSummary(result1.stderr).rest);
const rest2 = trimFirstLine(extractSummary(result2.stderr).rest);
expect(rest1).toEqual(rest2);
expect(rest1).toMatchSnapshot();
});
test('works with hooks', () => {
const [result1, result2] = runJestTwice(dir, [
'hooks.test.js',
'--seed',
'123',
]);
// Change in formatting could change this one
const rest1 = trimFirstLine(extractSummary(result1.stderr).rest);
const rest2 = trimFirstLine(extractSummary(result2.stderr).rest);
expect(rest1).toEqual(rest2);
expect(rest1).toMatchSnapshot();
});
test('works with snapshots', () => {
const [result1, result2] = runJestTwice(dir, [
'snapshots.test.js',
'--seed',
'123',
]);
const rest1 = trimFirstLine(extractSummary(result1.stderr).rest);
const rest2 = trimFirstLine(extractSummary(result2.stderr).rest);
expect(rest1).toEqual(rest2);
expect(rest1).toMatchSnapshot();
});