playwright/tests/playwright-test/ui-mode-test-setup.spec.ts

/**
 * Copyright (c) Microsoft Corporation.
 *
 * 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, retries, dumpTestTree } from './ui-mode-fixtures';
import path from 'path';

test.describe.configure({ mode: 'parallel', retries });

test('should run global setup and teardown', async ({ runUITest }, testInfo) => {
  const { page, testProcess } = await runUITest({
    'playwright.config.ts': `
      import { defineConfig } from '@playwright/test';
      export default defineConfig({
        globalSetup: './globalSetup',
        globalTeardown: './globalTeardown.ts',
      });
    `,
    'globalSetup.ts': `
      import { basename } from "node:path";
      export default (config) => {
        console.log('\\n%%from-global-setup');
        console.log("setupOutputDir: " + basename(config.projects[0].outputDir));
      };
    `,
    'globalTeardown.ts': `
      export default (config) => {
        console.log('\\n%%from-global-teardown');
        console.log('%%' + JSON.stringify(config));
      };
    `,
    'a.test.js': `
      import { test, expect } from '@playwright/test';
      test('should work', async ({}) => {});
    `
  }, undefined, { additionalArgs: ['--output=foo'] });
  await page.getByTitle('Run all').click();
  await expect(page.getByTestId('status-line')).toHaveText('1/1 passed (100%)');

  await page.getByTitle('Toggle output').click();
  const output = page.getByTestId('output');
  await expect(output).toContainText('from-global-setup');
  await expect(output).toContainText('setupOutputDir: foo');
  await page.close();

  await expect.poll(() => testProcess.outputLines()).toContain('from-global-teardown');

  const teardownConfig = JSON.parse(testProcess.outputLines()[1]);
  expect(teardownConfig.projects[0].outputDir).toEqual(testInfo.outputPath('foo'));
});

test('should teardown on sigint', async ({ runUITest, nodeVersion }) => {
  test.skip(process.platform === 'win32', 'No sending SIGINT on Windows');
  test.skip(nodeVersion.major < 18);

  const { page, testProcess } = await runUITest({
    'playwright.config.ts': `
      import { defineConfig } from '@playwright/test';
      export default defineConfig({
        globalSetup: './globalSetup',
        globalTeardown: './globalTeardown.ts',
      });
    `,
    'globalSetup.ts': `
      export default () => console.log('\\n%%from-global-setup');
    `,
    'globalTeardown.ts': `
      export default () => console.log('\\n%%from-global-teardown');
    `,
    'a.test.js': `
      import { test, expect } from '@playwright/test';
      test('should work', async ({}) => {});
    `
  });
  await page.getByTitle('Run all').click();
  await expect(page.getByTestId('status-line')).toHaveText('1/1 passed (100%)');
  await page.getByTitle('Toggle output').click();
  await expect(page.getByTestId('output')).toContainText('from-global-setup');

  testProcess.process.kill('SIGINT');
  await expect.poll(() => testProcess.outputLines()).toEqual([
    'from-global-teardown',
  ]);
});

test('should show errors in config', async ({ runUITest }) => {
  const { page } = await runUITest({
    'playwright.config.ts': `
      import { defineConfig, devices } from '@playwright/test';
      throw new Error("URL is empty")
    `,
  });
  await page.getByText('playwright.config.ts').click();
  await expect(page.getByText('Error: URL is empty')).toBeInViewport();
});

const testsWithSetup = {
  'playwright.config.ts': `
    import { defineConfig } from '@playwright/test';
    export default defineConfig({
      projects: [
        { name: 'setup', teardown: 'teardown', testMatch: 'setup.ts' },
        { name: 'test', testMatch: 'test.ts', dependencies: ['setup'] },
        { name: 'teardown', testMatch: 'teardown.ts' },
      ]
    });
  `,
  'setup.ts': `
    import { test, expect } from '@playwright/test';
    test('setup', async ({}) => {
      console.log('from-setup');
    });
  `,
  'test.ts': `
    import { test, expect } from '@playwright/test';
    test('test', async ({}) => {
      console.log('from-test');
    });
  `,
  'teardown.ts': `
    import { test, expect } from '@playwright/test';
    test('teardown', async ({}) => {
      console.log('from-teardown');
    });
  `,
};

test('should run setup and teardown projects (1)', async ({ runUITest }) => {
  const { page } = await runUITest(testsWithSetup);
  await page.getByText('Status:').click();
  await page.getByLabel('setup').setChecked(false);
  await page.getByLabel('teardown').setChecked(false);
  await page.getByLabel('test').setChecked(false);

  await page.getByTitle('Run all').click();

  await expect.poll(dumpTestTree(page)).toBe(`
    ▼ ✅ setup.ts
        ✅ setup
    ▼ ✅ teardown.ts
        ✅ teardown
    ▼ ✅ test.ts
        ✅ test
  `);

  await page.getByTitle('Toggle output').click();
  await expect(page.getByTestId('output')).toContainText(`from-setup`);
  await expect(page.getByTestId('output')).toContainText(`from-test`);
  await expect(page.getByTestId('output')).toContainText(`from-teardown`);
});

test('should run setup and teardown projects (2)', async ({ runUITest }) => {
  const { page } = await runUITest(testsWithSetup);
  await page.getByText('Status:').click();
  await page.getByLabel('setup').setChecked(false);
  await page.getByLabel('teardown').setChecked(true);
  await page.getByLabel('test').setChecked(true);

  await page.getByTitle('Run all').click();

  await expect.poll(dumpTestTree(page)).toBe(`
    ▼ ✅ teardown.ts
        ✅ teardown
    ▼ ✅ test.ts
        ✅ test
  `);

  await page.getByTitle('Toggle output').click();
  await expect(page.getByTestId('output')).toContainText(`from-test`);
  await expect(page.getByTestId('output')).toContainText(`from-teardown`);
  await expect(page.getByTestId('output')).not.toContainText(`from-setup`);
});

test('should run setup and teardown projects (3)', async ({ runUITest }) => {
  const { page } = await runUITest(testsWithSetup);
  await page.getByText('Status:').click();
  await page.getByLabel('setup').setChecked(false);
  await page.getByLabel('teardown').setChecked(false);
  await page.getByLabel('test').setChecked(true);

  await page.getByTitle('Run all').click();

  await expect.poll(dumpTestTree(page)).toBe(`
    ▼ ✅ test.ts
        ✅ test
  `);

  await page.getByTitle('Toggle output').click();
  await expect(page.getByTestId('output')).toContainText(`from-test`);
  await expect(page.getByTestId('output')).not.toContainText(`from-setup`);
  await expect(page.getByTestId('output')).not.toContainText(`from-teardown`);
});

test('should run part of the setup only', async ({ runUITest }) => {
  const { page } = await runUITest(testsWithSetup);
  await page.getByText('Status:').click();
  await page.getByLabel('setup').setChecked(true);
  await page.getByLabel('teardown').setChecked(true);
  await page.getByLabel('test').setChecked(true);

  await page.getByText('setup.ts').hover();
  await page.getByRole('listitem').filter({ hasText: 'setup.ts' }).getByTitle('Run').click();

  await expect.poll(dumpTestTree(page)).toBe(`
    ▼ ✅ setup.ts <=
        ✅ setup
    ▼ ✅ teardown.ts
        ✅ teardown
    ▼ ◯ test.ts
        ◯ test
  `);
});

for (const useWeb of [true, false]) {
  test.describe(`web-mode: ${useWeb}`, () => {
    test('should run teardown with SIGINT', async ({ runUITest, nodeVersion }) => {
      test.skip(process.platform === 'win32', 'No sending SIGINT on Windows');
      test.skip(nodeVersion.major < 18);
      const { page, testProcess } = await runUITest({
        'playwright.config.ts': `
          import { defineConfig } from '@playwright/test';
          export default defineConfig({
            globalTeardown: './globalTeardown.ts',
          });
        `,
        'globalTeardown.ts': `
          export default async () => {
            console.log('\\n%%from-global-teardown0000')
            await new Promise(f => setTimeout(f, 3000));
            console.log('\\n%%from-global-teardown3000')
          };
        `,
        'a.test.js': `
          import { test, expect } from '@playwright/test';
          test('should work', async ({}) => {});
        `
      }, null, { useWeb });
      await page.getByTitle('Run all').click();
      await expect(page.getByTestId('status-line')).toHaveText('1/1 passed (100%)');
      await testProcess.kill('SIGINT');
      await expect.poll(() => testProcess.outputLines()).toEqual([
        'from-global-teardown0000',
        'from-global-teardown3000',
      ]);
    });
  });
}

test('should restart webserver on reload', async ({ runUITest }) => {
  const SIMPLE_SERVER_PATH = path.join(__dirname, 'assets', 'simple-server.js');
  const port = test.info().workerIndex * 2 + 10500;

  const { page } = await runUITest({
    'playwright.config.ts': `
      import { defineConfig } from '@playwright/test';
      export default defineConfig({
        webServer: {
          command: 'node ${JSON.stringify(SIMPLE_SERVER_PATH)} ${port}',
          port: ${port},
          reuseExistingServer: false,
        },
      });
    `,
    'a.test.js': `
      import { test, expect } from '@playwright/test';
      test('should work', async ({ page }) => {
        await page.goto('http://localhost:${port}');
      });
    `
  }, { DEBUG: 'pw:webserver' });
  await page.getByTitle('Run all').click();
  await expect(page.getByTestId('status-line')).toHaveText('1/1 passed (100%)');

  await page.getByTitle('Toggle output').click();
  await expect(page.getByTestId('output')).toContainText('[WebServer] listening');

  await page.getByTitle('Clear output').click();
  await expect(page.getByTestId('output')).not.toContainText('[WebServer] listening');

  await page.getByTitle('Reload').click();
  await expect(page.getByTestId('output')).toContainText('[WebServer] listening');
  await expect(page.getByTestId('output')).not.toContainText('set reuseExistingServer:true');

  await page.getByTitle('Run all').click();
  await expect(page.getByTestId('status-line')).toHaveText('1/1 passed (100%)');
});