Best Python code snippet using playwright-python
test_page.py
Source:test_page.py  
...276    async def mul(a, b):277        return a * b278    await page.expose_function("compute", mul)279    assert await page.evaluate("compute(3, 5)") == 15280async def test_expose_function_should_work_on_frames(page, server):281    await page.expose_function("compute", lambda a, b: a * b)282    await page.goto(server.PREFIX + "/frames/nested-frames.html")283    frame = page.frames[1]284    assert await frame.evaluate("compute(3, 5)") == 15285async def test_expose_function_should_work_on_frames_before_navigation(page, server):286    await page.goto(server.PREFIX + "/frames/nested-frames.html")287    await page.expose_function("compute", lambda a, b: a * b)288    frame = page.frames[1]289    assert await frame.evaluate("compute(3, 5)") == 15290async def test_expose_function_should_work_after_cross_origin_navigation(page, server):291    await page.goto(server.EMPTY_PAGE)292    await page.expose_function("compute", lambda a, b: a * b)293    await page.goto(server.CROSS_PROCESS_PREFIX + "/empty.html")294    assert await page.evaluate("compute(9, 4)") == 36...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.
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