alexion
8666c53557
Add the deterministic, idempotent seed that brings a freshly provisioned throwaway repository to a known ground truth before a trial runs, scripted over the live Gitea API. - bench/seed-plan.ts: the pure ground truth (fixed labels, an issue spread across the discriminating dimensions, and labelled/reviewed/real-branch pull requests) plus groundTruth(user), realizing it into a RepoState. - bench/seed.ts: idempotent seeding reconciled by natural key, reusing gitea-axi's own tea-login credential discovery (no new secret handling). - A live smoke tier (test:bench:smoke) validating the seed end-to-end and skipping cleanly when no host is configured, kept out of the deterministic bench tier. Export selectLogin from src/context.ts so the bench reuses the exact credential-selection path.
62 lines
4.2 KiB
Markdown
62 lines
4.2 KiB
Markdown
# Benchmark harness
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This directory holds the benchmark harness that measures gitea-axi's central claim — that it is an agent-ergonomic, low-token interface to Gitea — against the `tea` CLI, the official `gitea-mcp` server, and raw Gitea REST calls.
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It is **not part of the published npm package**.
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The package's `files` allow-list ships only `dist` and `skills`; `bench/` is excluded, and the packaging tier asserts it stays out of the tarball.
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The design lives in [`.claude/spec/benchmark-harness.md`](../.claude/spec/benchmark-harness.md) and the `.claude/adr/0014`–`0016` decision records.
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This README is the harness's own working documentation; it deliberately keeps the benchmark's vocabulary here rather than in the tool's domain glossary ([`.claude/CONTEXT.md`](../.claude/CONTEXT.md)), which describes gitea-axi's own language.
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## Vocabulary
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**arm** — one of the four tool conditions under comparison: `gitea-axi`, `tea`, `gitea-mcp`, `raw-api`.
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The comparison measures the tool, so the agent in each arm is given exactly one arm's tool.
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**cell** — one `(arm, task)` pair.
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A cell's trials accumulate as samples within it; deepening a cell's sample size adds samples rather than overwriting prior runs.
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**trial** — one run of a cell.
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Each cell defaults to five trials with a reporting floor of three.
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**tier** — the task category a task belongs to: `read`, `single-mutation`, `find-then-act`, `multi-step`.
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Views group by tier to show where an arm wins or loses.
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**cost-equivalent tokens** — the headline metric: the four token components weighted by Anthropic's published API pricing ratios (see ADR 0014).
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The raw component breakdown is retained on every sample so the data can be re-weighted without re-running.
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**seed** — the deterministic, idempotent starting state scripted into each throwaway repository before a trial, against which correctness is scored.
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**checker** — the deterministic scorer that diffs post-run repository state (mutation tasks) or matches required facts in the agent's report (read tasks) against the seeded ground truth.
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## Layout
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- `result.ts` — the immutable result-record shape and its tags (arm, task, tier, trial, timestamp).
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- `store.ts` — the append-only, per-cell sample store that accumulates result records.
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- `guard.ts` — the authoritative tool-isolation guard plus the curated per-arm bin directory that backs it.
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- `scoring-spec.ts` — the scoring-spec contract: a task's expected end state (mutation) or required answer facts (read), consumed by the checker and produced by the runner and task suite.
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- `checker.ts` — the deterministic scorer: the full-state diff for mutation tasks and the answer-match for read tasks, plus the `score` entry point that dispatches on task kind.
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- `seed-plan.ts` — the deterministic ground truth every throwaway repository is seeded to: the fixed labels, the open/closed issue spread across the discriminating dimensions, and the pull requests, as pure data plus `groundTruth(user)`, which realizes it into the `RepoState` the checker scores against.
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- `seed.ts` — the idempotent seeding scripted over the live Gitea API: `resolveBenchAccess` (which reuses gitea-axi's own tea-login credential discovery), `provisionRepo`, and `seedRepo`, reconciling each label, issue, pull request, comment, and review by its natural key so a re-run never duplicates the ground truth.
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Later slices add the arm scaffolding, the single-cell runner, the task suite, the run-loop CLI, and the aggregator.
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## Tests
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The harness's deterministic seams are unit-tested in this directory, colocated with their source, and run via:
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```
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npm run test:bench
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```
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They are kept out of the main fast tier so harness code never counts against the `src/` coverage thresholds.
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Seed provisioning is the one boundary validated live rather than by mocks, since its value is the real Gitea API interaction.
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Its smoke run is a separate tier that talks to a real host — the maintainer's own, discovered through the tea-login credential path — and skips cleanly when no host is configured:
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```
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GITEA_AXI_BENCH_LOGIN=<tea-login-name> npm run test:bench:smoke
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```
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With `GITEA_AXI_BENCH_LOGIN` unset the smoke tier skips (a pass), matching the end-to-end tier's behavior when no live instance is configured.
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