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docs: add reuse auth in test runner example (#7006)

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Pavel Feldman 2021-06-09 19:26:09 -07:00 committed by GitHub
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docs/src/auth.md
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@ -101,60 +101,54 @@ The following code snippet retrieves state from an authenticated context and
creates a new context with that state.
```js
// Save storage state and store as an env variable
const storage = await context.storageState();
process.env.STORAGE = JSON.stringify(storage);
// Save storage state into the file.
await context.storageState({ path: 'state.json' });
// Create a new context with the saved storage state
const storageState = JSON.parse(process.env.STORAGE);
const context = await browser.newContext({ storageState });
// Create a new context with the saved storage state.
const context = await browser.newContext({ storageState: 'state.json' });
```
```java
// Save storage state and store as an env variable
String storage = context.storageState();
System.getenv().put("STORAGE", storage);
// Save storage state into the file.
context.storageState(new BrowserContext.StorageStateOptions().setPath("state.json"));
// Create a new context with the saved storage state
// Create a new context with the saved storage state.
BrowserContext context = browser.newContext(
new Browser.NewContextOptions().setStorageState(storage));
new Browser.NewContextOptions().setStorageStatePath(Paths.get("state.json")));
```
```python async
import json
import os
# Save storage state and store as an env variable
storage = await context.storage_state()
os.environ["STORAGE"] = json.dumps(storage)
# Save storage state into the file.
storage = await context.storage_state(path="state.json")
# Create a new context with the saved storage state
storage_state = json.loads(os.environ["STORAGE"])
context = await browser.new_context(storage_state=storage_state)
# Create a new context with the saved storage state.
context = await browser.new_context(storage_state="state.json")
```
```python sync
import json
import os
# Save storage state and store as an env variable
storage = context.storage_state()
os.environ["STORAGE"] = json.dumps(storage)
# Save storage state into the file.
storage = context.storage_state(path="state.json")
# Create a new context with the saved storage state
storage_state = json.loads(os.environ["STORAGE"])
context = browser.new_context(storage_state=storage_state)
# Create a new context with the saved storage state.
context = browser.new_context(storage_state="state.json")
```
```csharp
// Save storage state and store as an env variable
var storage = await context.StorageStateAsync();
// Save storage state into the file.
await context.StorageStateAsync(new BrowserContextStorageStateOptions
{
Path = "state.json"
});
// Create a new context with the saved storage state
// Create a new context with the saved storage state.
var context = await browser.NewContextAsync(new BrowserNewContextOptions
{
StorageState = storage
StorageStatePath = "state.json"
});
```
### Code generation
Logging in via the UI and then reusing authentication state can be combined to
implement **login once and run multiple scenarios**. The lifecycle looks like:
@ -165,6 +159,75 @@ implement **login once and run multiple scenarios**. The lifecycle looks like:
This approach will also **work in CI environments**, since it does not rely on any external state.
### Reuse authentication in Playwright Test
* langs: js
When using [Playwright Test](./test-intro.md), you can log in once in the global setup
and then reuse authentication state in tests. That way all your tests are completely
isolated, yet you only waste time logging in once for the entire test suite run.
First, introduce the global setup that would log in once.
```js js-flavor=js
// global-setup.js
const { chromium } = require('@playwright/test');
module.exports = async () => {
const browser = await chromium.launch();
const page = await browser.newPage();
await page.goto('http://localhost:5000/');
await page.click('text=login');
await page.fill('input[name="user"]', 'user');
await page.fill('input[name="password"]', 'password');
await page.click('input:has-text("login")');
await page.context().storageState({ path: 'state.json' });
await browser.close();
};
```
```js js-flavor=ts
// global-setup.ts
import { chromium } from '@playwright/test';
async function globalSetup() {
const browser = await chromium.launch();
const page = await browser.newPage();
await page.goto('http://localhost:5000/');
await page.click('text=login');
await page.fill('input[name="user"]', 'user');
await page.fill('input[name="password"]', 'password');
await page.click('input:has-text("login")');
await page.context().storageState({ path: 'state.json' });
await browser.close();
}
export default globalSetup;
```
Then reuse saved authentication state in your tests.
```js js-flavor=ts
import { test } from '@playwright/test';
test.use({ storageState: 'state.json' });
test('test', async ({ page }) => {
await page.goto('http://localhost:5000/');
// You are logged in!
});
```
```js js-flavor=js
const { test } = require('@playwright/test');
test.use({ storageState: 'state.json' });
test('test', async ({ page }) => {
await page.goto('http://localhost:5000/');
// You are logged in!
});
```
### API reference
- [`method: BrowserContext.storageState`]
- [`method: Browser.newContext`]