astral-sh/uv

Show tracing output on test failure

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Aperta il 18 ott 2024

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help wantedinternaltesting

Descrizione

In the vein of https://github.com/astral-sh/uv/pull/8349, it's nice to have more information from the child process when a test fails. Right now, if you turn tracing on it ends up in the snapshot and breaks the test. We should have tracing on by default, but exclude it from the snapshots and display it on failure. This could be implemented with something like a UV_LOG_FILE option we pass to the child process then read from on failure.

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Tech stack
rustpython
Dominio
testingdeveloper experience
Tipo issue
feature
DifficoltàQuanto dovrebbe essere impegnativa per un nuovo contributor.
3
Tempo stimatoTempo stimato per completare e verificare uno scope piccolo.
half day
Stato attivitàQuanto è probabile che la issue sia ancora attiva e reviewable.
fresh
ChiarezzaQuanto chiaramente la issue descrive problema, scope e risultato atteso.
mostly clear
Prerequisiti
Rusttracing crateuv test infrastructure
Adatta ai principiantiQuanto la issue è adatta a contributor alla prima esperienza.
60
Direzione di ricerca
Examine the linked PR #8349 for a similar approach. Investigate how tracing is currently configured in uv's tests, particularly the test runner and snapshot handling. Look for existing environment variables like UV LOG FILE or similar patterns in the codebase. The implementation would involve modifying the test harness to enable tracing with a separate output channel (e.g., log file) and displaying its contents on failure without affecting snapshots.