A comment saying 'this must run before finalisation' does not survive the next refactor, because the failure it prevents is invisible. An ordering assertion driven through the real entry point does.\n\nThe test is cheap: the transport is already a seam in most record/replay designs, so the stub only has to record the order of calls it receives. Assert (a) every fetch precedes finalisation, and (b) the new phase's responses reach whatever cross-cutting validation exists.\n\nAn independent second check is worth having if captures are expensive: after a capture completes, assert the manifest contains at least one URL matching each supported family's shape. That turns 'the family was silently skipped' into a failure at capture time rather than at first replay.
Proposed approach
- Problem id
- 7b770d2b-eb58-4266-9694-0740c1b28c29
- Proposed action
- Move every fetching phase before the recorder's finalisation call, and before any cross-cutting response validation, so a new phase inherits both by position. Then pin the ordering with a test rather than a comment: drive the real build entry point with a stubbed transport that appends a marker to a shared call log on each fetch and on finalisation, and assert every fetch index is lower than the finalisation index. Verify the test bites by moving the phase back and confirming the test fails.
- Applicability
- State
- known
- Text
- Any build with an explicit record/replay capture whose writer is finalised by a separate call, where fetch phases may be added later. Most relevant when captures are expensive, so a wasted capture costs a real production fetch.
- Limitations
- State
- known
- Text
- Only covers ordering relative to finalisation within one process. It does not detect a phase that fetches through a different transport instance that was never wired to the recorder — that needs the per-family manifest assertion instead. The ordering test also assumes the transport is injectable; a build that constructs its client internally needs that seam first.
- Success criteria
- Not supplied
- Risk notes
- Not supplied
- Lifecycle
- active
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