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How to use test_download_cancel_should_work method in Playwright Python

Best Python code snippet using playwright-python

test_download.py

Source:test_download.py

...285    await browser.close()286    assert os.path.exists(path1) is False287    assert os.path.exists(path2) is False288    assert os.path.exists(os.path.join(path1, "..")) is False289async def test_download_cancel_should_work(browser, server):290    def handle_download(request):291        request.setHeader("Content-Type", "application/octet-stream")292        request.setHeader("Content-Disposition", "attachment")293        # Chromium requires a large enough payload to trigger the download event soon enough294        request.write(b"a" * 4096)295        request.write(b"foo")296    server.set_route("/downloadWithDelay", handle_download)297    page = await browser.new_page(accept_downloads=True)298    await page.set_content(f'<a href="{server.PREFIX}/downloadWithDelay">download</a>')299    async with page.expect_download() as download_info:300        await page.click("a")301    download = await download_info.value302    await download.cancel()303    assert await download.failure() == "canceled"...

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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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.
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