alexion
f4df5d31c9
Add the longitudinal layer to the benchmark core: a per-skill JSON-lines history that appends one summary line per run and trims oldest-first at fifty, two stacked net-margin trend ribbons (Efficacy and Regression, the latter leaving a gap for two-arm runs) with the current run ringed and a net/delta/green-count readout, and per-badge fragility chips that flag the narrowest passing case on each green axis so a barely-green skill cannot look robust. History persistence is opt-in via --history and is the core's only side effect. Without it the core stays a pure transform. Two committed fixtures (clean and fragile) and new fixture-test sections cover the append-and-trim, both ribbons including the two-arm gap, and the chips.
282 lines
15 KiB
Nix
282 lines
15 KiB
Nix
# Feeds the committed run-bundle fixtures through the benchmark skill's
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# deterministic core and asserts the per-arm metrics, the per-case and
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# skill-level Efficacy and Regression verdicts, and the rendered report — for
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# both the three-arm shape and the degenerate two-arm "no previous version"
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# shape.
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# It also drives the longitudinal layer: the per-skill history append-and-trim,
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# the two trend ribbons including the two-arm gap in the regression series, and
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# the per-badge fragility chips on a clean run and a green-but-fragile one.
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# No LLM runs.
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{
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pkgs,
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}:
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let
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core = ../skills/benchmark-skill/core/benchmark_core.py;
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threeArm = ./fixtures/benchmark/three-arm-bundle.json;
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twoArm = ./fixtures/benchmark/two-arm-bundle.json;
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clean = ./fixtures/benchmark/clean-bundle.json;
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fragile = ./fixtures/benchmark/fragile-bundle.json;
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in
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pkgs.runCommandLocal "benchmark-core-check"
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{
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nativeBuildInputs = [ pkgs.python3 ];
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inherit core threeArm twoArm clean fragile;
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}
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''
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fail() { echo "FAIL: $1" >&2; exit 1; }
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# --- three-arm run --------------------------------------------------------
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echo "the core scores a three-arm run and renders its report"
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python3 "$core" "$threeArm" --json three.json --html three.html \
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|| fail "the core exited non-zero on the three-arm bundle"
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echo "the three-arm results model carries both verdicts, net margins, and metrics"
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python3 - three.json <<'PY' || fail "a three-arm results-model assertion failed"
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import json, sys
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r = json.load(open(sys.argv[1]))
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assert r["armShape"] == "three-arm", r["armShape"]
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# Efficacy is red: dead-weight fails the wins floor and hard-gate-fail trips
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# the gate. Regression is red: regressed-still-valuable loses twice to the
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# previous version.
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assert r["efficacyVerdict"] == "red", r["efficacyVerdict"]
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assert r["regressionVerdict"] == "red", r["regressionVerdict"]
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assert r["efficacyNetMargin"] == 12, r["efficacyNetMargin"]
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assert r["regressionNetMargin"] == 3, r["regressionNetMargin"]
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new = r["armMetrics"]["new"]
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assert new["turns"] == 60, new["turns"]
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assert new["rawTokens"] == 228000, new["rawTokens"]
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assert new["costEquivalentTokens"] == 246000, new["costEquivalentTokens"]
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assert abs(new["imputedCost"] - 1.23) < 1e-9, new["imputedCost"]
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base = r["armMetrics"]["baseline"]
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assert base["turns"] == 40, base["turns"]
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assert base["rawTokens"] == 114000, base["rawTokens"]
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assert base["costEquivalentTokens"] == 123000, base["costEquivalentTokens"]
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prev = r["armMetrics"]["previous"]
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assert prev["turns"] == 60, prev["turns"]
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assert prev["rawTokens"] == 174000, prev["rawTokens"]
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assert prev["costEquivalentTokens"] == 195500, prev["costEquivalentTokens"]
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assert abs(prev["imputedCost"] - 0.9775) < 1e-9, prev["imputedCost"]
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# Cost-table rows render in arm order: new-skill, previous-version, no-skill.
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assert [a["id"] for a in r["arms"]] == ["new", "previous", "baseline"], \
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[a["id"] for a in r["arms"]]
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cases = {c["name"]: c for c in r["cases"]}
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# Authored order is preserved, never reshuffled by verdict.
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assert [c["name"] for c in r["cases"]] == [
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"clean-both", "regressed-still-valuable", "dead-weight", "hard-gate-fail"
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]
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a = cases["clean-both"]
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assert a["efficacyPassed"] is True
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assert a["regressionPassed"] is True
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assert a["comparisons"]["efficacy"]["trials"] == ["WIN", "WIN", "WIN", "WIN", "TIE"]
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assert a["comparisons"]["regression"]["trials"] == ["TIE", "TIE", "WIN", "TIE", "TIE"]
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# Efficacy green but regression red — the exact crossing this feature exists
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# to catch: still beats no-skill, yet degraded from the released version.
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b = cases["regressed-still-valuable"]
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assert b["efficacyPassed"] is True
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assert b["regressionPassed"] is False
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assert b["comparisons"]["regression"]["losses"] == 2
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assert b["comparisons"]["regression"]["flaggedLosses"] == [0, 1]
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# Efficacy red but regression green — already dead weight, but the edit did
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# not make it worse.
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c = cases["dead-weight"]
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assert c["efficacyPassed"] is False
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assert c["regressionPassed"] is True
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assert c["comparisons"]["efficacy"]["wins"] == 0
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assert c["comparisons"]["efficacy"]["losses"] == 1
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assert c["comparisons"]["efficacy"]["flaggedLosses"] == [2]
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assert c["comparisons"]["regression"]["wins"] == 3
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# The hard gate fails efficacy outright but does not gate regression, which
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# is judged purely on losses.
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d = cases["hard-gate-fail"]
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assert d["hardFailed"] is True
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assert d["efficacyPassed"] is False
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assert d["regressionPassed"] is True
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assert d["comparisons"]["efficacy"]["wins"] == 5
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print("three-arm results-model assertions passed")
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PY
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echo "the three-arm report shows both badges, the three-row table, and evidence"
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grep -q '<!doctype html>' three.html || fail "three-arm report is not self-contained"
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grep -q 'Efficacy: RED' three.html || fail "three-arm report is missing the red Efficacy badge"
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grep -q 'Regression: RED' three.html || fail "three-arm report is missing the red Regression badge"
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grep -qi 'regress' three.html || fail "three-arm report is missing the verdict headline"
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grep -q 'Cost-equiv tokens' three.html || fail "three-arm report is missing the cost table"
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grep -q 'Previous version' three.html || fail "three-arm report is missing the previous-version row"
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grep -q 'shared-context cache' three.html || fail "three-arm report is missing the cache footnote"
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grep -q 'new-vs-no-skill' three.html || fail "three-arm footnote omits the new-vs-no-skill ratio"
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grep -q 'new-vs-old' three.html || fail "three-arm footnote omits the new-vs-old ratio"
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for name in clean-both regressed-still-valuable dead-weight hard-gate-fail; do
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grep -q "$name" three.html || fail "three-arm report omits case $name"
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done
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grep -q 'class="cell LOSS"' three.html || fail "three-arm report is missing a LOSS cell"
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grep -q 'Hard assertion failed' three.html || fail "three-arm report does not flag the hard failure"
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grep -q ' open>' three.html || fail "three-arm report does not auto-expand a failing case"
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grep -q 'class="cmps"' three.html || fail "three-arm report does not lay comparisons side by side"
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# Evidence for the failed regression comparison: new vs previous on trial 1.
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grep -q 'OUT-new-regressed-still-valuable-t0' three.html || fail "missing new evidence for the regression loss"
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grep -q 'OUT-previous-regressed-still-valuable-t0' three.html || fail "missing previous evidence for the regression loss"
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# Evidence for the failed efficacy comparison: new vs baseline on trial 3.
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grep -q 'OUT-new-dead-weight-t2' three.html || fail "missing new evidence for the efficacy loss"
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grep -q 'OUT-baseline-dead-weight-t2' three.html || fail "missing baseline evidence for the efficacy loss"
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# A clean, collapsed case emits no losing-trial evidence.
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if grep -q 'OUT-new-clean-both' three.html; then fail "a clean case leaked losing-trial evidence"; fi
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# --- two-arm run ----------------------------------------------------------
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echo "the core scores the degenerate two-arm run"
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python3 "$core" "$twoArm" --json two.json --html two.html \
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|| fail "the core exited non-zero on the two-arm bundle"
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echo "the two-arm results model reads regression as not-applicable"
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python3 - two.json <<'PY' || fail "a two-arm results-model assertion failed"
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import json, sys
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r = json.load(open(sys.argv[1]))
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assert r["armShape"] == "two-arm", r["armShape"]
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assert r["efficacyVerdict"] == "red", r["efficacyVerdict"]
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assert r["regressionVerdict"] == "not-applicable", r["regressionVerdict"]
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assert r["regressionNetMargin"] is None, r["regressionNetMargin"]
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assert r["efficacyNetMargin"] == 9, r["efficacyNetMargin"]
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new = r["armMetrics"]["new"]
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assert new["turns"] == 45, new["turns"]
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assert new["rawTokens"] == 171000, new["rawTokens"]
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assert new["costEquivalentTokens"] == 184500, new["costEquivalentTokens"]
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assert abs(new["imputedCost"] - 0.9225) < 1e-9, new["imputedCost"]
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base = r["armMetrics"]["baseline"]
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assert base["turns"] == 30, base["turns"]
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assert base["rawTokens"] == 85500, base["rawTokens"]
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assert base["costEquivalentTokens"] == 92250, base["costEquivalentTokens"]
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assert "previous" not in r["armMetrics"], "two-arm run has no previous arm"
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assert [c["name"] for c in r["cases"]] == [
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"clean-pass", "regresses-baseline", "hard-gate-fail"
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]
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for c in r["cases"]:
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assert c["regressionPassed"] is None, (c["name"], c["regressionPassed"])
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b = {c["name"]: c for c in r["cases"]}["regresses-baseline"]
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assert b["efficacyPassed"] is False
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assert b["comparisons"]["efficacy"]["losses"] == 2
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assert b["comparisons"]["efficacy"]["flaggedLosses"] == [3, 4]
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h = {c["name"]: c for c in r["cases"]}["hard-gate-fail"]
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assert h["hardFailed"] is True
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print("two-arm results-model assertions passed")
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PY
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echo "the two-arm report reads Regression as not-applicable and drops the previous row"
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grep -q 'Efficacy: RED' two.html || fail "two-arm report is missing the Efficacy badge"
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grep -q 'Regression: N/A' two.html || fail "two-arm report does not read Regression as not-applicable"
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grep -q 'new-vs-no-skill' two.html || fail "two-arm footnote omits the new-vs-no-skill ratio"
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if grep -q 'new-vs-old' two.html; then fail "two-arm footnote names a new-vs-old ratio that does not apply"; fi
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if grep -q 'Previous version' two.html; then fail "two-arm report shows a previous-version row"; fi
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grep -q 'OUT-new-regresses-baseline-t3' two.html || fail "missing new evidence for the two-arm efficacy loss"
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grep -q 'OUT-baseline-regresses-baseline-t3' two.html || fail "missing baseline evidence for the two-arm efficacy loss"
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# --- clean run: fully collapsed, one narrowest-margin chip, ribbons ---------
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echo "the core rests a clean run fully collapsed with a lone narrowest-margin chip"
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python3 "$core" "$clean" --json clean.json --html clean.html --history clean.history.jsonl \
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|| fail "the core exited non-zero on the clean bundle"
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python3 - clean.json <<'PY' || fail "a clean-run assertion failed"
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import json, sys
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r = json.load(open(sys.argv[1]))
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assert r["efficacyVerdict"] == "green", r["efficacyVerdict"]
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assert r["regressionVerdict"] == "green", r["regressionVerdict"]
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cases = {c["name"]: c for c in r["cases"]}
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# The narrowest efficacy case (fewest wins) carries the chip, the roomy one does not.
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assert [ch["axis"] for ch in cases["narrowest"]["chips"]] == ["efficacy"], cases["narrowest"]["chips"]
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assert cases["roomy"]["chips"] == [], cases["roomy"]["chips"]
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print("clean-run assertions passed")
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PY
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if grep -q ' open>' clean.html; then fail "a clean run did not rest fully collapsed"; fi
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grep -q 'class="chip efficacy"' clean.html || fail "clean run omits the narrowest-margin efficacy chip"
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if grep -q 'class="chip regression"' clean.html; then fail "clean run shows a spurious regression chip"; fi
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grep -q 'class="ribbons"' clean.html || fail "clean run omits the trend ribbons"
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grep -q 'class="spark"' clean.html || fail "clean run omits a sparkline"
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grep -q 'class="ring"' clean.html || fail "clean run does not ring the current run"
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# --- history append-and-trim and the two-ribbon window with a two-arm gap ---
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echo "the core appends to and trims the per-skill history and plots the ribbon window"
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python3 - seed.history.jsonl <<'PY' || fail "seeding the history fixture failed"
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import json, sys
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# 55 prior runs, all three-arm except the most recent, which is two-arm and so
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# must plot a gap on the regression axis once it lands inside the 7-run window.
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lines = []
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for i in range(55):
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two = i == 54
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lines.append({
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"generatedAt": f"seed-{i}",
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"armShape": "two-arm" if two else "three-arm",
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"efficacyNet": i % 5,
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"efficacyPass": True,
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"regressionNet": None if two else i % 3,
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"regressionPass": None if two else True,
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})
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open(sys.argv[1], "w").write("".join(json.dumps(l) + "\n" for l in lines))
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PY
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python3 "$core" "$clean" --json trend.json --history seed.history.jsonl \
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|| fail "the core exited non-zero on the seeded-history run"
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python3 - seed.history.jsonl trend.json <<'PY' || fail "a history/trend assertion failed"
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import json, sys
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lines = [json.loads(l) for l in open(sys.argv[1]) if l.strip()]
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# 55 prior + this run = 56, trimmed oldest-first back to the cap of 50.
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assert len(lines) == 50, len(lines)
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gens = [l["generatedAt"] for l in lines]
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assert "seed-0" not in gens and "seed-5" not in gens, "oldest runs were not trimmed"
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assert "seed-6" in gens and "seed-54" in gens, "recent runs were wrongly trimmed"
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assert lines[-1]["armShape"] == "three-arm", lines[-1]
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assert lines[-1]["efficacyNet"] == 8 and lines[-1]["regressionNet"] == 1, lines[-1]
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t = json.load(open(sys.argv[2]))["trend"]
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eff, reg = t["efficacy"]["points"], t["regression"]["points"]
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assert len(eff) == 7 and len(reg) == 7, (len(eff), len(reg))
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# Efficacy has a value every run, while regression breaks at the two-arm run.
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assert all(p["net"] is not None for p in eff), "efficacy series should have no gaps"
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assert eff[-1]["current"] and reg[-1]["current"], "the current run is ringed on both axes"
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assert reg[5]["net"] is None, [p["net"] for p in reg]
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assert reg[-1]["net"] is not None, "the current three-arm run has a regression dot"
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assert t["regression"]["applicable"] == 6, t["regression"]["applicable"]
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print("history/trend assertions passed")
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PY
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# --- green-but-fragile run: independent per-badge chips, both on one case ----
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echo "the core chips each fragility axis independently, and both on a doubly-fragile case"
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python3 "$core" "$fragile" --json fragile.json --html fragile.html \
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|| fail "the core exited non-zero on the fragile bundle"
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python3 - fragile.json <<'PY' || fail "a fragility-chip assertion failed"
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import json, sys
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r = json.load(open(sys.argv[1]))
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assert r["efficacyVerdict"] == "green" and r["regressionVerdict"] == "green"
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cases = {c["name"]: c for c in r["cases"]}
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# One case is both the narrowest efficacy margin and at exactly one regression
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# loss, so it carries both chips.
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# The others carry at most their own axis.
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assert {ch["axis"] for ch in cases["both"]["chips"]} == {"efficacy", "regression"}, cases["both"]["chips"]
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assert [ch["axis"] for ch in cases["reg-only"]["chips"]] == ["regression"], cases["reg-only"]["chips"]
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assert cases["none"]["chips"] == [], cases["none"]["chips"]
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print("fragility-chip assertions passed")
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PY
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grep -q 'class="chip efficacy"' fragile.html || fail "fragile run omits the efficacy chip"
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grep -q 'class="chip regression"' fragile.html || fail "fragile run omits the regression chip"
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touch "$out"
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''
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