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Fix exception suppression in asgi transport #2669

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merged 11 commits into from May 21, 2023

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Nnonexistent
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Bug description:

If httpx client uses asgi transport with raise_app_exceptions=False and response is not complete, exception is still raised.

This is mostly come up in tests where you want to check how your application behave in error states. But currently it works only with non-streaming responses, which is quite limiting.

I propose simple fix for such non-complete responses to be able to comply with the raise_app_exceptions=False.

Test case included.

tests/test_asgi.py Outdated Show resolved Hide resolved
async with httpx.AsyncClient(app=raise_exc, transport=transport) as client:
response = await client.get("http://www.example.org/")

assert response.status_code == 500
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What's the behaviour of this test before the code change?

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Test failed with RuntimeError being raised from raise_exc

tests/test_asgi.py Outdated Show resolved Hide resolved
Nnonexistent and others added 3 commits April 20, 2023 16:29
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@tomchristie tomchristie left a comment

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Seems reasonable, yup.

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Okay, let's also add this to the CHANGELOG.
What's the best user-facing description we can add here?

Return 500 error response instead of exceptions when raise_app_exceptions=False is set on ASGITransport.

Perhaps?

CHANGELOG.md Outdated Show resolved Hide resolved
@tomchristie tomchristie merged commit a682f6f into encode:master May 21, 2023
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@trim21 trim21 mentioned this pull request Aug 1, 2023
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3 participants