Result gains a record field with a default. Nothing existing moves and the report dict is untouched, so all 123 oracle cases are unmoved at 506 passed. A rejected profile still raises before this point and gets no record, which is correct because there is no model to preserve.
The record learns the stock and fit from the Geo the build actually used, so it describes what was built rather than what was asked for. Those agree today and the record will keep saying so if they ever stop.
code_revision resolves once per process from MECHCOMP_REVISION, then git rev-parse, then unknown. Never a guess: unknown tells you the part may not be reproducible, while a plausible wrong sha would send someone to the wrong commit. A dirty tree is reported as such, since a model built from uncommitted edits cannot be regenerated from a revision alone. Caching matters because assemble runs 123 times in the suite and would otherwise shell out to git twice per build.
The end to end test builds a part, renders its record, parses it back from nothing but the text, rebuilds from the parsed parameters, and asserts the report is identical key for key across five profiles. If that fails the record is a description rather than a recipe.
Method correction. The mutation harness had been letting pytest write bytecode, and a write landing inside one mtime tick could be masked by a stale pyc. That made one real defect appear to survive and, more importantly, means every mutation result reported earlier in this work was optimistic by an unknown amount. Rerun with bytecode disabled, all nine mutations caught. The earlier sets are worth rerunning under the corrected method.
TheRON
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