Best Python code snippet using playwright-python
test_websocket.py
Source:test_websocket.py  
...42    assert ws.url == f"ws://localhost:{ws_server.PORT}/ws"43    if not ws.is_closed():44        await ws.wait_for_event("close")45    assert ws.is_closed()46async def test_should_emit_frame_events(page, ws_server):47    sent = []48    received = []49    def on_web_socket(ws):50        ws.on("framesent", lambda payload: sent.append(payload))51        ws.on("framereceived", lambda payload: received.append(payload))52    page.on("websocket", on_web_socket)53    async with page.expect_event("websocket") as ws_info:54        await page.evaluate(55            """port => {56            const ws = new WebSocket('ws://localhost:' + port + '/ws');57            ws.addEventListener('open', () => {58                ws.send('echo-text');59            });60        }""",...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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