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docs(python): add snippet for new_context fixture (#33392)

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Max Schmitt 2024-11-01 17:50:34 +01:00 committed by GitHub
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docs/src/test-runners-python.md
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@ -111,16 +111,21 @@ def test_visit_admin_dashboard(page: Page):
If you're using VSCode with Pylance, these types can be inferred by enabling the `python.testing.pytestEnabled` setting so you don't need the type annotation. If you're using VSCode with Pylance, these types can be inferred by enabling the `python.testing.pytestEnabled` setting so you don't need the type annotation.
### Configure slow mo ### Using multiple contexts
Run tests with slow mo with the `--slowmo` argument. In order to simulate multiple users, you can create multiple [`BrowserContext`](./browser-contexts) instances.
```bash ```py title="test_my_application.py"
pytest --slowmo 100 from playwright.sync_api import Page, BrowserContext
from pytest_playwright.pytest_playwright import CreateContextCallback
def test_foo(page: Page, new_context: CreateContextCallback) -> None:
page.goto("https://example.com")
context = new_context()
page2 = context.new_page()
# page and page2 are in different contexts
``` ```
Slows down Playwright operations by 100 milliseconds.
### Skip test by browser ### Skip test by browser
```py title="test_my_application.py" ```py title="test_my_application.py"
@ -198,7 +203,7 @@ def browser_context_args(browser_context_args):
} }
``` ```
### Device emulation ### Device emulation / BrowserContext option overrides
```py title="conftest.py" ```py title="conftest.py"
import pytest import pytest