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How to use test_should_not_send_attach_detach_events_for_main_frame method in Playwright Python

Best Python code snippet using playwright-python

test_frames.py

Source:test_frames.py

...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 = []129    page.on("frameattached", lambda frame: attached_frames.append(frame))130    page.on("framedetached", lambda frame: detached_frames.append(frame))131    page.on("framenavigated", lambda frame: navigated_frames.append(frame))132    await page.goto(server.PREFIX + "/frames/nested-frames.html")133    assert len(attached_frames) == 4...

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