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How to use test_should_not_set_a_cookie_with_blank_page_url method in Playwright Python

Best Python code snippet using playwright-python

test_browsercontext_add_cookies.py

Source:test_browsercontext_add_cookies.py

...220    await page.goto(server.EMPTY_PAGE)221    assert await page.evaluate("document.cookie") == ""222    await page.goto(server.PREFIX + "/grid.html")223    assert await page.evaluate("document.cookie") == "gridcookie=GRID"224async def test_should_not_set_a_cookie_with_blank_page_url(context, server):225    with pytest.raises(Error) as exc_info:226        await context.add_cookies(227            [228                {"url": server.EMPTY_PAGE, "name": "example-cookie", "value": "best"},229                {"url": "about:blank", "name": "example-cookie-blank", "value": "best"},230            ]231        )232    assert (233        'Blank page can not have cookie "example-cookie-blank"'234        in exc_info.value.message235    )236async def test_should_not_set_a_cookie_on_a_data_url_page(context):237    with pytest.raises(Error) as exc_info:238        await context.add_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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Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.