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test(snapshot): cover all packed chunk row kinds

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Tianyi Cui
2026-07-22 22:14:16 +08:00
parent cd36467a19
commit 53c3ab135d
6 changed files with 140 additions and 42 deletions
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.agents/notes/implemented/testing/2026-06-19-acp-snapshot-tests.md
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@@ -18,6 +18,8 @@ A snapshot test boots the real ACP example, drives its stdio protocol from a det
Each scenario's `session.jsonl` is harvested from a real run. `assistant/chunk` events reproduce the model streams; tool, message, and boundary events capture the harness behavior. One ordinary session artifact therefore serves as both replay source and behavioral expected output.
When a scenario pins an alternative physical storage layout, its fixture is mechanically derived from a real unpacked counterpart. The scenario test requires every intended storage-row kind and exact event-for-event equality after decoding before the ordinary replay and log comparison proves that the assembled process consumes and reproduces that layout.
### Replay derives the model script from the log
`llm-replay` short-circuits the provider-agnostic `llm/stream` waterfall. `deriveReplayScript()` groups recorded chunks by `(turn, step)` and serves one group per model call. The loop makes one stream call per step, so the grouping is exact and includes error finish chunks without special handling.