Improve test suite

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#1,247 opened on Apr 16, 2026 0 comments 0 reactions 0 assignees View on GitHub

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Assessment

Difficulty: 4/5
Estimated time: 3-5 days
Newbie friendliness: 35/100

Issue type: Refactor
Clarity: Needs clarification
Activity status: Quiet
Tech stack: rust
Domain: testing

Research direction

Start by examining the existing regression tests and the patched examples infrastructure, then identify targeted error cases in the complex model that lack focused coverage. Done means adding targeted tests for selected error cases and verifying that they clearly exercise the intended failures.

Written by the indexing model from the issue text.

Description

muse xiii test umbrella

While the overall test coverage is at 90% at the time of writing, which isn't bad, it could be better. Moreover, a lot of this coverage is due to regression tests, which, while better than not having the coverage at all, can give a misplaced sense of security. We could do with some more targeted tests, in particular for various error cases. I don't mind whether they're written as traditional unit tests or with the patched examples infrastructure we have, as long as they're targeted.

We shouldn't necessarily do all of these sub-issues during this engagement, as this is a lower priority task than many others, but I think they're worth exploring, as the model is now very complex and much of the functionality is only tested via regression tests, whose output is pretty opaque.

Dominant language: Rust
Stars: 8
Forks: 5
Avg merge: 11h 31m
Merged PRs (30d): 33

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