jest/e2e/__tests__/watchModePatterns.test.ts

75 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 {tmpdir} from 'os';
import * as path from 'path';
import {cleanup, extractSummaries, writeFiles} from '../Utils';
import runJest from '../runJest';
const DIR = path.resolve(tmpdir(), 'watch-mode-patterns');
const pluginPath = path.resolve(__dirname, '../MockStdinWatchPlugin');
beforeEach(() => cleanup(DIR));
afterAll(() => cleanup(DIR));
const setupFiles = (input: Array<{keys: Array<string>}>) => {
writeFiles(DIR, {
'__tests__/bar.spec.js': `
test('bar 1', () => { expect('bar').toBe('bar'); });
test('bar 2', () => { expect('bar').toBe('bar'); });
`,
'__tests__/foo.spec.js': `
test('foo 1', () => { expect('foo').toBe('foo'); });
test('foo 2', () => { expect('foo').toBe('foo'); });
`,
'package.json': JSON.stringify({
jest: {
testEnvironment: 'node',
watchPlugins: [[pluginPath, {input}]],
},
}),
});
};
test('can press "p" to filter by file name', () => {
const input = [{keys: ['p', 'b', 'a', 'r', '\r']}, {keys: ['q']}];
setupFiles(input);
const {exitCode, stdout, stderr} = runJest(DIR, [
'--no-watchman',
'--watchAll',
]);
const results = extractSummaries(stderr);
expect(stdout).toMatchSnapshot();
expect(results).toHaveLength(2);
for (const {rest, summary} of results) {
expect(rest).toMatchSnapshot('test results');
expect(summary).toMatchSnapshot('test summary');
}
expect(exitCode).toBe(0);
});
test('can press "t" to filter by test name', () => {
const input = [{keys: ['t', '2', '\r']}, {keys: ['q']}];
setupFiles(input);
const {exitCode, stdout, stderr} = runJest(DIR, [
'--no-watchman',
'--watchAll',
]);
const results = extractSummaries(stderr);
expect(stdout).toMatchSnapshot();
expect(results).toHaveLength(2);
for (const {rest, summary} of results) {
expect(rest).toMatchSnapshot('test results');
expect(summary).toMatchSnapshot('test summary');
}
expect(exitCode).toBe(0);
});