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Enhancement: Provide test client that can handle infinite SSE generators #3654

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aranvir opened this issue Aug 3, 2024 · 0 comments · May be fixed by #3655
Open

Enhancement: Provide test client that can handle infinite SSE generators #3654

aranvir opened this issue Aug 3, 2024 · 0 comments · May be fixed by #3655
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Enhancement This is a new feature or request

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@aranvir
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aranvir commented Aug 3, 2024 •
edited by polar-sh bot

Summary

Follow-up from https://github.com/orgs/litestar-org/discussions/3547

The litestart test clients directly call the ASGI app instance. When calling stream endpoints like SSEs, they will always try to consume the whole stream. If the endpoint serves an infinite generator, the test client is stuck. This does not happen for the test client websocket implementation is because it "cheats" by not implementing the actual websocket protocol but using an internal queue to transport the messages.

The solution for this edge case is to run the app in a subprocess (e.g. via uvicorn) and then use an httpx client to connect to the web app.

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@aranvir aranvir added the Enhancement This is a new feature or request label Aug 3, 2024
@aranvir aranvir linked a pull request Aug 3, 2024 that will close this issue
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feat: added subprocess test client aranvir/litestar
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