playwright/tests/playwright-test/test-parallel.spec.ts

/**
 * Copyright Microsoft Corporation. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import { test, expect } from './playwright-test-fixtures';

test('test.describe.parallel should throw inside test.describe.serial', async ({ runInlineTest }) => {
  const result = await runInlineTest({
    'a.test.ts': `
      const { test } = pwt;
      test.describe.serial('serial suite', () => {
        test.describe.parallel('parallel suite', () => {
        });
      });
    `,
  });
  expect(result.exitCode).toBe(1);
  expect(result.output).toContain('a.test.ts:7:23: describe.parallel cannot be nested inside describe.serial');
});

test('test.describe.parallel should work', async ({ runInlineTest }) => {
  const result = await runInlineTest({
    'a.test.ts': `
      const { test } = pwt;
      test.describe.parallel('parallel suite', () => {
        test('test1', async ({}, testInfo) => {
          console.log('\\n%% worker=' + testInfo.workerIndex);
          await new Promise(f => setTimeout(f, 1000));
        });
        test('test2', async ({}, testInfo) => {
          console.log('\\n%% worker=' + testInfo.workerIndex);
          await new Promise(f => setTimeout(f, 1000));
        });
        test.describe('inner suite', () => {
          test('test3', async ({}, testInfo) => {
            console.log('\\n%% worker=' + testInfo.workerIndex);
            await new Promise(f => setTimeout(f, 1000));
          });
        });
      });
    `,
  }, { workers: 3 });
  expect(result.exitCode).toBe(0);
  expect(result.passed).toBe(3);
  expect(result.output).toContain('%% worker=0');
  expect(result.output).toContain('%% worker=1');
  expect(result.output).toContain('%% worker=2');
});