feat: add new config prop populateGitInfo (#34329)

Co-authored-by: Yury Semikhatsky <yurys@chromium.org>

docs/src/test-api/class-testconfig.md

@@ -321,6 +321,22 @@ This path will serve as the base directory for each test file snapshot directory
 ## property: TestConfig.snapshotPathTemplate = %%-test-config-snapshot-path-template-%%
 * since: v1.28
 
+## property: TestConfig.populateGitInfo
+* since: v1.51
+- type: ?<[boolean]>
+
+Whether to populate [`property: TestConfig.metadata`] with Git info. The metadata will automatically appear in the HTML report and is available in Reporter API.
+
+**Usage**
+
+```js title="playwright.config.ts"
+import { defineConfig } from '@playwright/test';
+
+export default defineConfig({
+  populateGitInfo: !!process.env.CI,
+});
+```
+
 ## property: TestConfig.preserveOutput
 * since: v1.10
 - type: ?<[PreserveOutput]<"always"|"never"|"failures-only">>

packages/playwright/src/common/config.ts

@@ -46,6 +46,7 @@ export class FullConfigInternal {
   readonly plugins: TestRunnerPluginRegistration[];
   readonly projects: FullProjectInternal[] = [];
   readonly singleTSConfigPath?: string;
+  readonly populateGitInfo: boolean;
   cliArgs: string[] = [];
   cliGrep: string | undefined;
   cliGrepInvert: string | undefined;
@@ -75,10 +76,15 @@ export class FullConfigInternal {
     const privateConfiguration = (userConfig as any)['@playwright/test'];
     this.plugins = (privateConfiguration?.plugins || []).map((p: any) => ({ factory: p }));
     this.singleTSConfigPath = pathResolve(configDir, userConfig.tsconfig);
+    this.populateGitInfo = takeFirst(userConfig.populateGitInfo, false);
 
     this.globalSetups = (Array.isArray(userConfig.globalSetup) ? userConfig.globalSetup : [userConfig.globalSetup]).map(s => resolveScript(s, configDir)).filter(script => script !== undefined);
     this.globalTeardowns = (Array.isArray(userConfig.globalTeardown) ? userConfig.globalTeardown : [userConfig.globalTeardown]).map(s => resolveScript(s, configDir)).filter(script => script !== undefined);
 
+    // Make sure we reuse same metadata instance between FullConfigInternal instances,
+    // so that plugins such as gitCommitInfoPlugin can populate metadata once.
+    userConfig.metadata = userConfig.metadata || {};
+
     this.config = {
       configFile: resolvedConfigFile,
       rootDir: pathResolve(configDir, userConfig.testDir) || configDir,
@@ -90,7 +96,7 @@ export class FullConfigInternal {
       grep: takeFirst(userConfig.grep, defaultGrep),
       grepInvert: takeFirst(userConfig.grepInvert, null),
       maxFailures: takeFirst(configCLIOverrides.debug ? 1 : undefined, configCLIOverrides.maxFailures, userConfig.maxFailures, 0),
-      metadata: takeFirst(userConfig.metadata, {}),
+      metadata: userConfig.metadata,
       preserveOutput: takeFirst(userConfig.preserveOutput, 'always'),
       reporter: takeFirst(configCLIOverrides.reporter, resolveReporters(userConfig.reporter, configDir), [[defaultReporter]]),
       reportSlowTests: takeFirst(userConfig.reportSlowTests, { max: 5, threshold: 15000 }),

packages/playwright/src/plugins/gitCommitInfoPlugin.ts

@@ -17,9 +17,15 @@
 import { createGuid, spawnAsync } from 'playwright-core/lib/utils';
 import type { TestRunnerPlugin } from './';
 import type { FullConfig } from '../../types/testReporter';
+import type { FullConfigInternal } from '../common/config';
 
 const GIT_OPERATIONS_TIMEOUT_MS = 1500;
 
+export const addGitCommitInfoPlugin = (fullConfig: FullConfigInternal) => {
+  if (fullConfig.populateGitInfo)
+    fullConfig.plugins.push({ factory: gitCommitInfo });
+};
+
 export const gitCommitInfo = (options?: GitCommitInfoPluginOptions): TestRunnerPlugin => {
   return {
     name: 'playwright:git-commit-info',

packages/playwright/src/runner/runner.ts

@@ -17,6 +17,7 @@
 
 import type { FullResult, TestError } from '../../types/testReporter';
 import { webServerPluginsForConfig } from '../plugins/webServerPlugin';
+import { addGitCommitInfoPlugin } from '../plugins/gitCommitInfoPlugin';
 import { collectFilesForProject, filterProjects } from './projectUtils';
 import { createErrorCollectingReporter, createReporters } from './reporters';
 import { TestRun, createApplyRebaselinesTask, createClearCacheTask, createGlobalSetupTasks, createLoadTask, createPluginSetupTasks, createReportBeginTask, createRunTestsTasks, createStartDevServerTask, runTasks } from './tasks';
@@ -70,6 +71,8 @@ export class Runner {
     const config = this._config;
     const listOnly = config.cliListOnly;
 
+    addGitCommitInfoPlugin(config);
+
     // Legacy webServer support.
     webServerPluginsForConfig(config).forEach(p => config.plugins.push({ factory: p }));
 

packages/playwright/src/runner/testServer.ts

@@ -39,6 +39,7 @@ import { baseFullConfig } from '../isomorphic/teleReceiver';
 import { InternalReporter } from '../reporters/internalReporter';
 import type { ReporterV2 } from '../reporters/reporterV2';
 import { internalScreen } from '../reporters/base';
+import { addGitCommitInfoPlugin } from '../plugins/gitCommitInfoPlugin';
 
 const originalStdoutWrite = process.stdout.write;
 const originalStderrWrite = process.stderr.write;
@@ -406,6 +407,7 @@ export class TestServerDispatcher implements TestServerInterface {
       // Preserve plugin instances between setup and build.
       if (!this._plugins) {
         webServerPluginsForConfig(config).forEach(p => config.plugins.push({ factory: p }));
+        addGitCommitInfoPlugin(config);
         this._plugins = config.plugins || [];
       } else {
         config.plugins.splice(0, config.plugins.length, ...this._plugins);

packages/playwright/types/test.d.ts

@@ -1293,6 +1293,24 @@ interface TestConfig<TestArgs = {}, WorkerArgs = {}> {
    */
   outputDir?: string;
 
+  /**
+   * Whether to populate [testConfig.metadata](https://playwright.dev/docs/api/class-testconfig#test-config-metadata)
+   * with Git info. The metadata will automatically appear in the HTML report and is available in Reporter API.
+   *
+   * **Usage**
+   *
+   * ```js
+   * // playwright.config.ts
+   * import { defineConfig } from '@playwright/test';
+   *
+   * export default defineConfig({
+   *   populateGitInfo: !!process.env.CI,
+   * });
+   * ```
+   *
+   */
+  populateGitInfo?: boolean;
+
   /**
    * Whether to preserve test output in the
    * [testConfig.outputDir](https://playwright.dev/docs/api/class-testconfig#test-config-output-dir). Defaults to

tests/playwright-test/reporter-html.spec.ts

@@ -1142,14 +1142,12 @@ for (const useIntermediateMergeReport of [true, false] as const) {
     });
 
     test.describe('gitCommitInfo plugin', () => {
-      test('should include metadata', async ({ runInlineTest, writeFiles, showReport, page }) => {
+      test('should include metadata with populateGitInfo = true', async ({ runInlineTest, writeFiles, showReport, page }) => {
         const files = {
           'uncommitted.txt': `uncommitted file`,
           'playwright.config.ts': `
-            import { gitCommitInfo } from 'playwright/lib/plugins';
             import { test, expect } from '@playwright/test';
-            const plugins = [gitCommitInfo()];
-            export default { '@playwright/test': { plugins } };
+            export default { populateGitInfo: true };
           `,
           'example.spec.ts': `
             import { test, expect } from '@playwright/test';
@@ -1195,6 +1193,25 @@ for (const useIntermediateMergeReport of [true, false] as const) {
         await expect.soft(page.getByTestId('metadata-error')).not.toBeVisible();
       });
 
+      test('should not include metadata with populateGitInfo = false', async ({ runInlineTest, showReport, page }) => {
+        const result = await runInlineTest({
+          'uncommitted.txt': `uncommitted file`,
+          'playwright.config.ts': `
+            export default { populateGitInfo: false };
+          `,
+          'example.spec.ts': `
+            import { test, expect } from '@playwright/test';
+            test('my sample test', async ({}) => { expect(2).toBe(2); });
+          `,
+        }, { reporter: 'dot,html' }, { PLAYWRIGHT_HTML_OPEN: 'never' }, undefined);
+
+        await showReport();
+
+        expect(result.exitCode).toBe(0);
+        await expect.soft(page.locator('text="my sample test"')).toBeVisible();
+        await expect.soft(page.getByTestId('metadata-error')).not.toBeVisible();
+        await expect.soft(page.getByTestId('metadata-chip')).not.toBeVisible();
+      });
 
       test('should use explicitly supplied metadata', async ({ runInlineTest, showReport, page }) => {
         const result = await runInlineTest({

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

@@ -0,0 +1,48 @@
+/**
+ * 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 } from './ui-mode-fixtures';
+
+test('should render html report git info metadata', async ({ runUITest }) => {
+  const { page } = await runUITest({
+    'reporter.ts': `
+      module.exports = class Reporter {
+        onBegin(config, suite) {
+          console.log('ci.link:', config.metadata['ci.link']);
+        }
+      }
+    `,
+    'playwright.config.ts': `
+      import { defineConfig } from '@playwright/test';
+      export default defineConfig({
+        populateGitInfo: true,
+        reporter: './reporter.ts',
+      });
+    `,
+    'a.test.js': `
+      import { test, expect } from '@playwright/test';
+      test('should work', async ({}) => {});
+    `
+  }, {
+    BUILD_URL: 'https://playwright.dev',
+  });
+
+  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('ci.link: https://playwright.dev');
+});