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How to use test_page_event_should_report_when_a_new_page_is_created_and_closed method in Playwright Python

Best Python code snippet using playwright-python

test_browsercontext.py

Source:test_browsercontext.py

...501        await page.evaluate("window.open()")502    other_page = await other_page_info.value503    await other_page.wait_for_load_state("domcontentloaded")504    assert other_page.url == "about:blank"505async def test_page_event_should_report_when_a_new_page_is_created_and_closed(506    context, server507):508    page = await context.new_page()509    async with context.expect_page() as page_info:510        await page.evaluate(511            "url => window.open(url)", server.CROSS_PROCESS_PREFIX + "/empty.html"512        )513    other_page = await page_info.value514    # The url is about:blank in FF when 'page' event is fired.515    assert server.CROSS_PROCESS_PREFIX in other_page.url516    assert await other_page.evaluate("['Hello', 'world'].join(' ')") == "Hello world"517    assert await other_page.query_selector("body")518    all_pages = context.pages519    assert page in all_pages...

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