feat: cache etag support #3758
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feat: cache etag support #3758
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KhafraDev
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Oct 22, 2024
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I think this is a bit too light on tests, and I'm not sure if this implementation is correct. Can you add some tests where the response is a 304 thanks to if-none-match? |
Also, we could test how undici responds to different server implementations. I myself have run into situations when locally stored strong ETag matches the server-sent one yet the server is returning the same ETag with 200 instead of 304. |
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ronag
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metcoder95
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@flakey5 this now conflicts |
Signed-off-by: flakey5 <[email protected]>
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Co-authored-by: Carlos Fuentes <[email protected]>
Signed-off-by: flakey5 <[email protected]>
Signed-off-by: flakey5 <[email protected]>
Signed-off-by: flakey5 <[email protected]>
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Re http caching, adds support for etags for when we need to revalidate a cached response.
No breaking changes to the public api. the
etagproperty is nullable so a cache store could just not implement it and it will be fine. However, I did add it to the tests as if it was required just so we can ensure the builtin cache stores fully support the behavior.This only checks if the etag exists in the response's headers and ignores it if it's in the trailers for simplicity sakes (as allowed by the spec in 8.8.3)
Closes #3718