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Fresh body factories on retries: An exhausted factory is invoked one extra time · case 02

An exhausted factory is invoked one extra time

Member previewVariant 2 · 3 implementations · 6 checks per implementation

Case contract

open sets a body factory recipe; attempt calls it to make a fresh cursor, read consumes the current body, change changes the recipe for future logical requests only, new snapshots the changed recipe. Return emitted chunks; attempts beyond allowance return exhausted. Recipe is snapshotted on open/new.

Why this case matters

Offline deterministic model of HTTP request retries.

One recorded failure

Sample boundary fixture

This sample comes from the broken implementation of a controlled reproducer.

Boundary fixture	Actual	Expected	Outcome
1	`["factory", [2, 3], [4], [], "factory", [2, 3, 4], "factory"]`	`["factory", [2, 3], [4], [], "factory", [2, 3, 4], "exhausted"]`	Failed

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