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How to use test_opener_should_provide_access_to_the_opener_page method in Playwright Python

Best Python code snippet using playwright-python

test_page.py

Source:test_page.py

...100    with pytest.raises(Error) as exc_info:101        await page.goto(server.EMPTY_PAGE)102    assert __file__ in exc_info.value.stack103# TODO: bring in page.crash events104async def test_opener_should_provide_access_to_the_opener_page(page):105    async with page.expect_popup() as popup_info:106        await page.evaluate("window.open('about:blank')"),107    popup = await popup_info.value108    opener = await popup.opener()109    assert opener == page110async def test_opener_should_return_null_if_parent_page_has_been_closed(page):111    async with page.expect_popup() as popup_info:112        await page.evaluate("window.open('about:blank')"),113    popup = await popup_info.value114    await page.close()115    opener = await popup.opener()116    assert opener is None117async def test_domcontentloaded_should_fire_when_expected(page, server):118    future = asyncio.create_task(page.goto("about:blank"))...

Playwright tutorial

LambdaTest’s Playwright tutorial will give you a broader idea about the Playwright automation framework, its unique features, and use cases with examples to exceed your understanding of Playwright testing. This tutorial will give A to Z guidance, from installing the Playwright framework to some best practices and advanced concepts.

Chapters:

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.
How To Install Playwright : Learn in detail about what basic configuration and dependencies are required for installing Playwright and run a test. Get a step-by-step direction for installing the Playwright automation framework.
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What is Component Testing: Component testing in Playwright is a unique feature that allows a tester to test a single component of a web application without integrating them with other elements. Learn how to perform Component testing on the Playwright automation framework.
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.
Handling Alerts and Dropdowns in Playwright : Playwright interact with different types of alerts and pop-ups, such as simple, confirmation, and prompt, and different types of dropdowns, such as single selector and multi-selector get your hands-on with handling alerts and dropdown in Playright testing.
Playwright vs Puppeteer: Get to know about the difference between two testing frameworks and how they are different than one another, which browsers they support, and what features they provide.
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Playwright Python Tutorial: Playwright automation framework support all major languages such as Python, JavaScript, TypeScript, .NET and etc. However, there are various advantages to Python end-to-end testing with Playwright because of its versatile utility. Get the hang of Playwright python testing with this chapter.
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