Best Python code snippet using playwright-python
test_page.py
Source:test_page.py
...304 await page.expose_binding("logme", lambda source, t: logme(t), handle=True)305 result = await page.evaluate("logme({ foo: 42 })")306 assert (await targets[0].evaluate("x => x.foo")) == 42307 assert result == 17308async def test_page_error_should_fire(page, server, is_webkit):309 async with page.expect_event("pageerror") as error_info:310 await page.goto(server.PREFIX + "/error.html")311 error = await error_info.value312 assert error.message == "Fancy error!"313 stack = await page.evaluate("window.e.stack")314 # Note that WebKit reports the stack of the 'throw' statement instead of the Error constructor call.315 if is_webkit:316 stack = stack.replace("14:25", "15:19")317 assert error.stack == stack318async def test_page_error_should_handle_odd_values(page, is_firefox):319 cases = [["null", "null"], ["undefined", "undefined"], ["0", "0"], ['""', ""]]320 for [value, message] in cases:321 async with page.expect_event("pageerror") as error_info:322 await page.evaluate(f"() => setTimeout(() => {{ throw {value}; }}, 0)")...
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