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testing/slogtest: add check for empty group [freeze exception] #61227
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seankhliao
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Jul 7, 2023
Approved. |
Change https://go.dev/cl/508438 mentions this issue: |
dmitshur
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bradfitz
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As golang#61067 pointed out, slog did not properly handle empty groups. https://go.dev/cl/508436 dealt with most cases inside slog itself, but handlers must still do a check on their own. Namely, a handler must not output a group created by WithGroup unless the Record has attributes. This change adds a test to slogtest to check that case. Fixes golang#61227. Change-Id: Ibc065b6e5f6e199a41bce8332ea8c7f9d8373392 Reviewed-on: https://go-review.googlesource.com/c/go/+/508438 Reviewed-by: Alan Donovan <adonovan@google.com> Run-TryBot: Jonathan Amsterdam <jba@google.com> TryBot-Result: Gopher Robot <gobot@golang.org>
eric
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As golang#61067 pointed out, slog did not properly handle empty groups. https://go.dev/cl/508436 dealt with most cases inside slog itself, but handlers must still do a check on their own. Namely, a handler must not output a group created by WithGroup unless the Record has attributes. This change adds a test to slogtest to check that case. Fixes golang#61227. Change-Id: Ibc065b6e5f6e199a41bce8332ea8c7f9d8373392 Reviewed-on: https://go-review.googlesource.com/c/go/+/508438 Reviewed-by: Alan Donovan <adonovan@google.com> Run-TryBot: Jonathan Amsterdam <jba@google.com> TryBot-Result: Gopher Robot <gobot@golang.org>
eric
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Sep 7, 2023
As golang#61067 pointed out, slog did not properly handle empty groups. https://go.dev/cl/508436 dealt with most cases inside slog itself, but handlers must still do a check on their own. Namely, a handler must not output a group created by WithGroup unless the Record has attributes. This change adds a test to slogtest to check that case. Fixes golang#61227. Change-Id: Ibc065b6e5f6e199a41bce8332ea8c7f9d8373392 Reviewed-on: https://go-review.googlesource.com/c/go/+/508438 Reviewed-by: Alan Donovan <adonovan@google.com> Run-TryBot: Jonathan Amsterdam <jba@google.com> TryBot-Result: Gopher Robot <gobot@golang.org>
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https://go.dev/issue/61067 identifies a bug in log/slog. CL https://go.dev/cl/508436 fixes it and so does not require a freeze exception.
However, any user-written handler could exhibit the same bug. The testing/slogtest package is designed to catch errors like this in Handlers. It should be updated to check for the problem. https://go.dev/cl/508438 does that.
Since this isn't technically a bug fix, I'm applying for an exception.
/cc @golang/release
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