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+---
+id: test-global-setup-teardown
+title: "Global setup and teardown"
+---
+
+To set something up once before running all tests, use `globalSetup` option in the [configuration file](#configuration-object). The global setup file must export a single function that takes a config object. This function will be run once before all the tests.
+
+Similarly, use `globalTeardown` to run something once after all the tests. Alternatively, let `globalSetup` return a function that will be used as a global teardown. You can pass data such as port number, authentication tokens, etc. from your global setup to your tests using environment variables.
+
+```js
+// playwright.config.ts/js
+import { defineConfig } from '@playwright/test';
+
+export default defineConfig({
+  use: {
+    globalSetup: require.resolve('./global-setup'),
+    globalTeardown: require.resolve('./global-teardown'),
+  },
+});
+```
+
+## Example
+
+Here is a global setup example that authenticates once and reuses authentication state in tests. It uses the `baseURL` and `storageState` options from the configuration file.
+
+```js
+// global-setup.ts/js
+import { chromium, FullConfig } from '@playwright/test';
+
+async function globalSetup(config: FullConfig) {
+  const { baseURL, storageState } = config.projects[0].use;
+  const browser = await chromium.launch();
+  const page = await browser.newPage();
+  await page.goto(baseURL!);
+  await page.getByLabel('User Name').fill('user');
+  await page.getByLabel('Password').fill('password');
+  await page.getByText('Sign in').click();
+  await page.context().storageState({ path: storageState as string });
+  await browser.close();
+}
+
+export default globalSetup;
+```
+
+Specify `globalSetup`, `baseURL` and `storageState` in the configuration file.
+
+```js
+// playwright.config.ts/js
+import { defineConfig } from '@playwright/test';
+export default defineConfig({
+  globalSetup: require.resolve('./global-setup'),
+  use: {
+    baseURL: 'http://localhost:3000/',
+    storageState: 'state.json',
+  },
+});
+```
+
+Tests start already authenticated because we specify `storageState` that was populated by global setup.
+
+```js
+import { test } from '@playwright/test';
+
+test('test', async ({ page }) => {
+  await page.goto('/');
+  // You are signed in!
+});
+```
+
+You can make arbitrary data available in your tests from your global setup file by setting them as environment variables via `process.env`.
+
+```js
+// global-setup.ts/js
+import { FullConfig } from '@playwright/test';
+
+async function globalSetup(config: FullConfig) {
+  process.env.FOO = 'some data';
+  // Or a more complicated data structure as JSON:
+  process.env.BAR = JSON.stringify({ some: 'data' });
+}
+
+export default globalSetup;
+```
+
+Tests have access to the `process.env` properties set in the global setup.
+
+```js
+const { test } = require('@playwright/test');
+
+test('test', async ({ page }) => {
+  // environment variables which are set in globalSetup are only available inside test().
+  const { FOO, BAR } = process.env;
+
+  // FOO and BAR properties are populated.
+  expect(FOO).toEqual('some data');
+
+  const complexData = JSON.parse(BAR);
+  expect(BAR).toEqual({ some: 'data' });
+});
+```
+
+### Capturing trace of failures during global setup
+
+In some instances, it may be useful to capture a trace of failures encountered during the global setup. In order to do this, you must [start tracing](./api/class-tracing.md#tracing-start) in your setup, and you must ensure that you [stop tracing](./api/class-tracing.md#tracing-stop) if an error occurs before that error is thrown. This can be achieved by wrapping your setup in a `try...catch` block.  Here is an example that expands the global setup example to capture a trace.
+
+```js
+// global-setup.ts/js
+import { chromium, FullConfig } from '@playwright/test';
+
+async function globalSetup(config: FullConfig) {
+  const { baseURL, storageState } = config.projects[0].use;
+  const browser = await chromium.launch();
+  const context = await browser.newContext();
+  const page = await context.newPage();
+  try {
+    await context.tracing.start({ screenshots: true, snapshots: true });
+    await page.goto(baseURL!);
+    await page.getByLabel('User Name').fill('user');
+    await page.getByLabel('Password').fill('password');
+    await page.getByText('Sign in').click();
+    await context.storageState({ path: storageState as string });
+    await context.tracing.stop({
+      path: './test-results/setup-trace.zip',
+    })
+    await browser.close();
+  } catch (error) {
+    await context.tracing.stop({
+      path: './test-results/failed-setup-trace.zip',
+    });
+    await browser.close();
+    throw error;
+  }
+}
+
+export default globalSetup;
+```