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How to use test_persist_main_frame_on_cross_process_navigation method in Playwright Python

Best Python code snippet using playwright-python

test_frames.py

Source:test_frames.py

...110    await page.goto(server.EMPTY_PAGE)111    async with page.expect_event("framenavigated"):112        await page.goto(server.EMPTY_PAGE + "#foo")113    assert page.url == server.EMPTY_PAGE + "#foo"114async def test_persist_main_frame_on_cross_process_navigation(page, server):115    await page.goto(server.EMPTY_PAGE)116    main_frame = page.main_frame117    await page.goto(server.CROSS_PROCESS_PREFIX + "/empty.html")118    assert page.main_frame == main_frame119async def test_should_not_send_attach_detach_events_for_main_frame(page, server):120    has_events = list()121    page.on("frameattached", lambda frame: has_events.append(True))122    page.on("framedetached", lambda frame: has_events.append(True))123    await page.goto(server.EMPTY_PAGE)124    assert has_events == []125async def test_detach_child_frames_on_navigation(page, server):126    attached_frames = []127    detached_frames = []128    navigated_frames = []...

Playwright tutorial

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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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