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How to use test_evaluate_accept_none_as_one_of_multiple_parameters method in Playwright Python

Best Python code snippet using playwright-python

test_evaluate.py

Source:test_evaluate.py

...103async def test_evaluate_return_complex_objects(page):104    obj = {"foo": "bar!"}105    result = await page.evaluate("a => a", obj)106    assert result == obj107async def test_evaluate_accept_none_as_one_of_multiple_parameters(page):108    result = await page.evaluate(109        '({ a, b }) => Object.is(a, undefined) && Object.is(b, "foo")',110        {"a": None, "b": "foo"},111    )112    assert result113async def test_evaluate_properly_serialize_none_arguments(page):114    assert await page.evaluate("x => ({a: x})", None) == {"a": None}115async def test_evaluate_fail_for_circular_object(page):116    assert (117        await page.evaluate(118            """() => {119                const a = {};120                const b = {a};121                a.b = b;...

Playwright tutorial

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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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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.
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