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How to use test_should_roundtrip_cookie method in Playwright Python

Best Python code snippet using playwright-python

test_browsercontext_add_cookies.py

Source:test_browsercontext_add_cookies.py

...20    await context.add_cookies(21        [{"url": server.EMPTY_PAGE, "name": "password", "value": "123456"}]22    )23    assert await page.evaluate("() => document.cookie") == "password=123456"24async def test_should_roundtrip_cookie(context, page, server):25    await page.goto(server.EMPTY_PAGE)26    # @see https://en.wikipedia.org/wiki/Year_2038_problem27    date = int(datetime.datetime(2038, 1, 1).timestamp() * 1000)28    document_cookie = await page.evaluate(29        """timestamp => {30    const date = new Date(timestamp);31    document.cookie = `username=John Doe;expires=${date.toUTCString()}`;32    return document.cookie;33  }""",34        date,35    )36    assert document_cookie == "username=John Doe"37    cookies = await context.cookies()38    await context.clear_cookies()...

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.
Playwright Futuristic Features: Launched in 2020, Playwright gained huge popularity quickly because of some obliging features such as Playwright Test Generator and Inspector, Playwright Reporter, Playwright auto-waiting mechanism and etc. Read up on those features to master Playwright testing.
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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