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How to use test_page_route_should_show_custom_HTTP_headers method in Playwright Python

Best Python code snippet using playwright-python

test_interception.py

Source:test_interception.py

...131    # Setup request interception.132    await page.route("**/*", lambda route: route.continue_())133    response = await page.reload()134    assert response.status == 200135async def test_page_route_should_show_custom_HTTP_headers(page, server):136    await page.set_extra_http_headers({"foo": "bar"})137    def assert_headers(request):138        assert request.headers["foo"] == "bar"139    await page.route(140        "**/*",141        lambda route: (142            assert_headers(route.request),143            asyncio.create_task(route.continue_()),144        ),145    )146    response = await page.goto(server.EMPTY_PAGE)147    assert response.ok148# @see https://github.com/GoogleChrome/puppeteer/issues/4337149async def test_page_route_should_work_with_redirect_inside_sync_XHR(page, server):...

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What is Playwright : Playwright is comparatively new but has gained good popularity. Get to know some history of the Playwright with some interesting facts connected with it.
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Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
Functions and Selectors in Playwright: Learn how to launch the Chromium browser with Playwright. Also, gain a better understanding of some important functions like “BrowserContext,” which allows you to run multiple browser sessions, and “newPage” which interacts with a page.
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