Merge pull request #410 from AssetOverflow/feat/teaching-coverage-cli
feat(D): core teaching coverage — per-shape admission histogram
This commit is contained in:
commit
eb2ca1be0d
3 changed files with 555 additions and 0 deletions
143
core/cli.py
143
core/cli.py
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@ -69,6 +69,7 @@ _TEST_SUITES: dict[str, tuple[str, ...]] = {
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"tests/test_adr_0172_w5_inference_proposal.py",
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"tests/test_math_frame_ratification.py",
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"tests/test_math_composition_ratification.py",
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"tests/test_teaching_coverage_cli.py",
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),
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"packs": (
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"tests/test_core_semantic_seed_pack.py",
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@ -1994,6 +1995,118 @@ def cmd_teaching_seed_recognizer(args: argparse.Namespace) -> int:
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return 0
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def cmd_teaching_coverage(args: argparse.Namespace) -> int:
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"""Brief D — per-shape admission histogram with deltas vs committed baseline.
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Reads (or runs, if ``--run``) the lane's ``report.json`` and emits
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a clean histogram of counts + refusal taxonomy. Pure read by default.
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Useful for measuring the effect of ratifications + matcher
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extensions without re-eyeballing report.json.
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"""
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from pathlib import Path
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from teaching.coverage import (
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build_coverage_report,
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fetch_committed_baseline,
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)
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lane = args.lane or "gsm8k_math"
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split = args.split or "train_sample"
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version = args.version or "v1"
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# Validate inputs against a strict whitelist before any path
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# construction or subprocess invocation. The runner module name is
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# built from these tokens (``f"evals.{lane}.{split}.{version}.runner"``)
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# and passed to ``python -m``. Python's module loader would reject
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# most malicious payloads, but a strict whitelist is the defense-in-
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# depth response to the Sourcery security advisory: reject
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# everything except ``[a-z0-9_]+``.
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import re as _re
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_safe_token_re = _re.compile(r"^[a-z0-9_]+$")
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for label, value in (("lane", lane), ("split", split), ("version", version)):
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if not _safe_token_re.match(value):
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print(
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f"ERROR: {label}={value!r} must match ^[a-z0-9_]+$",
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file=sys.stderr,
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)
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return 1
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repo_root = Path(__file__).resolve().parent.parent
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lane_dir = repo_root / "evals" / lane / split / version
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if not lane_dir.is_dir():
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print(f"ERROR: lane directory not found: {lane_dir}", file=sys.stderr)
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return 1
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report_path = lane_dir / "report.json"
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use_reader = bool(args.use_reader)
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if args.run or not report_path.exists():
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import subprocess
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runner_module = f"evals.{lane}.{split}.{version}.runner"
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runner_args = [sys.executable, "-m", runner_module]
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if use_reader:
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runner_args.append("--use-reader")
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try:
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subprocess.run(
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runner_args,
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cwd=repo_root,
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check=True,
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capture_output=True,
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)
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except (subprocess.CalledProcessError, FileNotFoundError) as exc:
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print(f"ERROR: runner failed: {exc}", file=sys.stderr)
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return 1
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baseline_path = None
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if args.delta:
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report_relpath = (
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f"evals/{lane}/{split}/{version}/report.json"
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)
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baseline_path = fetch_committed_baseline(report_relpath, repo_root)
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report = build_coverage_report(
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report_path,
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lane=lane,
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split=split,
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version=version,
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use_reader=use_reader,
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baseline_path=baseline_path,
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)
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if args.json:
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print(json.dumps(report.as_dict(), indent=2, sort_keys=True))
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else:
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print(f"Lane: {report.lane}/{report.split}/{report.version} (use_reader={report.use_reader})")
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if report.delta:
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print(
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f"Counts: correct={report.counts.correct} "
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f"refused={report.counts.refused} "
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f"wrong={report.counts.wrong} "
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f"(Δ from HEAD: correct={report.delta['correct']:+d} "
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f"refused={report.delta['refused']:+d} "
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f"wrong={report.delta['wrong']:+d})"
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)
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else:
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print(
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f"Counts: correct={report.counts.correct} "
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f"refused={report.counts.refused} "
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f"wrong={report.counts.wrong}"
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)
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print()
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if report.refusal_taxonomy:
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print("Refusal taxonomy:")
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for bucket, n in report.refusal_taxonomy.items():
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print(f" {n:>3} {bucket}")
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print()
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wrong_ok = "✓" if report.counts.wrong == 0 else "✗"
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hazard = report.case_0050_verdict
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print(f"Wrong=0: {wrong_ok}")
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if hazard is not None:
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hazard_ok = "✓" if hazard == "refused" else "✗"
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print(f"Case 0050 hazard pin: {hazard} {hazard_ok}")
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return 0
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def cmd_teaching_refusal_taxonomy(args: argparse.Namespace) -> int:
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"""ADR-0163 Phase A — categorise refused statements by shape.
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@ -4499,6 +4612,36 @@ def build_parser() -> argparse.ArgumentParser:
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)
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teaching_seed_recognizer.set_defaults(func=cmd_teaching_seed_recognizer)
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teaching_coverage = teaching_sub.add_parser(
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"coverage",
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help="Brief D — per-shape admission histogram with optional deltas vs HEAD",
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)
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teaching_coverage.add_argument(
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"--lane", default="gsm8k_math", help="eval lane (default: gsm8k_math)",
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)
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teaching_coverage.add_argument(
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"--split", default="train_sample", help="lane split (default: train_sample)",
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)
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teaching_coverage.add_argument(
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"--version", default="v1", help="lane version (default: v1)",
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)
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teaching_coverage.add_argument(
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"--use-reader", action="store_true",
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help="pass --use-reader to the runner (matches train_sample default)",
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)
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teaching_coverage.add_argument(
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"--run", action="store_true",
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help="re-run the lane's runner even if report.json exists",
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)
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teaching_coverage.add_argument(
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"--delta", action="store_true",
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help="compute delta vs the report.json committed at HEAD",
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)
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teaching_coverage.add_argument(
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"--json", action="store_true", help="emit machine-readable JSON",
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)
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teaching_coverage.set_defaults(func=cmd_teaching_coverage)
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teaching_refusal_taxonomy = teaching_sub.add_parser(
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"refusal-taxonomy",
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help="ADR-0163 Phase A — categorise refused statements by shape",
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203
teaching/coverage.py
Normal file
203
teaching/coverage.py
Normal file
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@ -0,0 +1,203 @@
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"""Brief D — coverage report aggregator for math eval lanes.
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Reads the lane's ``report.json`` and emits a per-ShapeCategory
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refusal histogram with optional delta-vs-committed-baseline. Pure
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read; no side effects on lane state. Used by
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``core teaching coverage``.
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"""
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from __future__ import annotations
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import json
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import re
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import subprocess
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import tempfile
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from dataclasses import dataclass, field
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from pathlib import Path
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from typing import Mapping
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_REASON_CATEGORY_RE: re.Pattern[str] = re.compile(r"\(category=([a-z_]+)\)")
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@dataclass(frozen=True, slots=True)
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class CoverageCounts:
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correct: int
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refused: int
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wrong: int
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def total(self) -> int:
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return self.correct + self.refused + self.wrong
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@dataclass(frozen=True, slots=True)
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class CoverageReport:
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lane: str
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split: str
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version: str
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counts: CoverageCounts
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refusal_taxonomy: Mapping[str, int]
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case_0050_verdict: str | None
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use_reader: bool
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delta: Mapping[str, int] = field(default_factory=dict)
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def as_dict(self) -> dict[str, object]:
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return {
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"lane": self.lane,
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"split": self.split,
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"version": self.version,
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"counts": {
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"correct": self.counts.correct,
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"refused": self.counts.refused,
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"wrong": self.counts.wrong,
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"total": self.counts.total(),
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},
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"refusal_taxonomy": dict(self.refusal_taxonomy),
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"case_0050_verdict": self.case_0050_verdict,
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"use_reader": self.use_reader,
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"delta": dict(self.delta),
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}
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def _classify_refusal(reason: str) -> str:
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"""Map a per-case refusal reason string to a stable category bucket.
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Matching is case-insensitive throughout — the raw runner output is
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consistently lowercase prose today, but normalizing once avoids
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drift if upstream casing changes.
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Buckets:
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- ``recognizer_empty_injection(<ShapeCategory>)`` — recognizer
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matched but the per-category injector returned empty
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- ``no_admissible_question`` — statement(s) admitted; question
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parser refused
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- ``no_admissible_statement`` — neither parser nor recognizer
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admitted any statement
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- ``unexpected_question_count`` — !=1 question sentence
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- ``other`` — any unmatched reason text
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"""
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if not reason:
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return "other"
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lower = reason.lower()
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if "recognizer matched but produced no injection" in lower:
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m = _REASON_CATEGORY_RE.search(lower)
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cat = m.group(1) if m else "unknown"
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return f"recognizer_empty_injection({cat})"
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if "no admissible candidate for question" in lower:
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return "no_admissible_question"
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if "no admissible candidate for statement" in lower:
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return "no_admissible_statement"
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if "expected exactly one question sentence" in lower:
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return "unexpected_question_count"
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return "other"
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def build_coverage_report(
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report_path: Path,
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*,
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lane: str,
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split: str,
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version: str,
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use_reader: bool,
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baseline_path: Path | None = None,
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) -> CoverageReport:
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"""Build a :class:`CoverageReport` from a runner-emitted report.json.
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Optional ``baseline_path`` enables a delta computation.
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"""
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if not report_path.exists():
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raise FileNotFoundError(f"report.json not found at {report_path}")
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data = json.loads(report_path.read_text(encoding="utf-8"))
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counts_raw = data.get("counts") or {}
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counts = CoverageCounts(
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correct=int(counts_raw.get("correct", 0)),
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refused=int(counts_raw.get("refused", 0)),
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wrong=int(counts_raw.get("wrong", 0)),
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)
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per_case = data.get("per_case") or []
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taxonomy: dict[str, int] = {}
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case_0050_verdict: str | None = None
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for case in per_case:
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verdict = case.get("verdict")
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cid = case.get("case_id", "")
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if cid.endswith("-0050"):
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case_0050_verdict = verdict
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if verdict != "refused":
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continue
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bucket = _classify_refusal(case.get("reason") or "")
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taxonomy[bucket] = taxonomy.get(bucket, 0) + 1
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# Sort taxonomy by count desc, then alpha for stable output.
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sorted_taxonomy = dict(
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sorted(taxonomy.items(), key=lambda kv: (-kv[1], kv[0]))
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)
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delta: dict[str, int] = {}
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if baseline_path is not None and baseline_path.exists():
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try:
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base_data = json.loads(baseline_path.read_text(encoding="utf-8"))
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base_counts = base_data.get("counts") or {}
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delta = {
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"correct": counts.correct - int(base_counts.get("correct", 0)),
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"refused": counts.refused - int(base_counts.get("refused", 0)),
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"wrong": counts.wrong - int(base_counts.get("wrong", 0)),
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}
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except (json.JSONDecodeError, KeyError, TypeError):
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delta = {}
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return CoverageReport(
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lane=lane,
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split=split,
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version=version,
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counts=counts,
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refusal_taxonomy=sorted_taxonomy,
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case_0050_verdict=case_0050_verdict,
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use_reader=use_reader,
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delta=delta,
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)
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def fetch_committed_baseline(
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report_relpath: str,
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repo_root: Path,
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) -> Path | None:
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"""Return a temp path containing HEAD's committed report.json, or None.
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Uses ``git show HEAD:<relpath>``. Falls back to None on any git
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error so the CLI doesn't depend on git availability.
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"""
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try:
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result = subprocess.run(
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["git", "-C", str(repo_root), "show", f"HEAD:{report_relpath}"],
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capture_output=True,
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check=True,
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text=True,
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)
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except (subprocess.CalledProcessError, FileNotFoundError):
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return None
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if not result.stdout.strip():
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return None
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# Use the system temp dir with a unique filename to avoid:
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# (a) failures in non-git checkouts or worktrees where .git is a
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# file pointing elsewhere
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# (b) concurrent-access collisions if two operators run
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# ``core teaching coverage --delta`` simultaneously
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fd, tmp_path = tempfile.mkstemp(
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prefix="core_coverage_baseline_", suffix=".json"
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)
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try:
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with open(fd, "w", encoding="utf-8") as fh:
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fh.write(result.stdout)
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except Exception:
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Path(tmp_path).unlink(missing_ok=True)
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return None
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return Path(tmp_path)
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__all__ = [
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"CoverageCounts",
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"CoverageReport",
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"build_coverage_report",
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"fetch_committed_baseline",
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]
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209
tests/test_teaching_coverage_cli.py
Normal file
209
tests/test_teaching_coverage_cli.py
Normal file
|
|
@ -0,0 +1,209 @@
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"""Brief D — coverage report aggregator tests."""
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from __future__ import annotations
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import json
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from pathlib import Path
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import pytest
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from teaching.coverage import (
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CoverageCounts,
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_classify_refusal,
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build_coverage_report,
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)
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def _write_report(path: Path, *, correct: int, refused: int, wrong: int, per_case: list[dict]) -> None:
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path.write_text(
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json.dumps({
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"counts": {"correct": correct, "refused": refused, "wrong": wrong},
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"per_case": per_case,
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}),
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encoding="utf-8",
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)
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def test_classify_recognizer_empty_injection():
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r = ("candidate_graph: recognizer matched but produced no injection "
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"for statement: 'X.' (category=multiplicative_aggregation)")
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assert _classify_refusal(r) == "recognizer_empty_injection(multiplicative_aggregation)"
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def test_classify_no_admissible_question():
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assert _classify_refusal("candidate_graph: no admissible candidate for question: 'X?'") == "no_admissible_question"
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def test_classify_no_admissible_statement():
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assert _classify_refusal("candidate_graph: no admissible candidate for statement: 'X.'") == "no_admissible_statement"
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def test_classify_unknown_falls_back_to_other():
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assert _classify_refusal("some new failure mode") == "other"
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def test_classify_empty_returns_other():
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assert _classify_refusal("") == "other"
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def test_build_coverage_report_basic(tmp_path: Path):
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report_path = tmp_path / "report.json"
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_write_report(
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report_path,
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correct=2,
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refused=3,
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wrong=0,
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per_case=[
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{"case_id": "x-0001", "verdict": "correct"},
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{"case_id": "x-0002", "verdict": "correct"},
|
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{"case_id": "x-0003", "verdict": "refused", "reason": "candidate_graph: recognizer matched but produced no injection for statement: 'A.' (category=currency_amount)"},
|
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{"case_id": "x-0004", "verdict": "refused", "reason": "candidate_graph: recognizer matched but produced no injection for statement: 'B.' (category=currency_amount)"},
|
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{"case_id": "x-0005", "verdict": "refused", "reason": "candidate_graph: no admissible candidate for question: 'How?'"},
|
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],
|
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)
|
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r = build_coverage_report(
|
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report_path, lane="t", split="s", version="v1", use_reader=True,
|
||||
)
|
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assert r.counts == CoverageCounts(correct=2, refused=3, wrong=0)
|
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assert r.counts.total() == 5
|
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assert dict(r.refusal_taxonomy) == {
|
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"recognizer_empty_injection(currency_amount)": 2,
|
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"no_admissible_question": 1,
|
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}
|
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assert r.case_0050_verdict is None
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|
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|
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def test_case_0050_verdict_captured(tmp_path: Path):
|
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report_path = tmp_path / "report.json"
|
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_write_report(
|
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report_path,
|
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correct=0,
|
||||
refused=1,
|
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wrong=0,
|
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per_case=[
|
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{"case_id": "gsm8k-train-sample-v1-0050", "verdict": "refused", "reason": "x"},
|
||||
],
|
||||
)
|
||||
r = build_coverage_report(
|
||||
report_path, lane="gsm8k_math", split="train_sample", version="v1", use_reader=True,
|
||||
)
|
||||
assert r.case_0050_verdict == "refused"
|
||||
|
||||
|
||||
def test_delta_computation(tmp_path: Path):
|
||||
report_path = tmp_path / "report.json"
|
||||
baseline_path = tmp_path / "baseline.json"
|
||||
_write_report(report_path, correct=4, refused=46, wrong=0, per_case=[])
|
||||
_write_report(baseline_path, correct=3, refused=47, wrong=0, per_case=[])
|
||||
r = build_coverage_report(
|
||||
report_path,
|
||||
lane="t", split="s", version="v1", use_reader=True,
|
||||
baseline_path=baseline_path,
|
||||
)
|
||||
assert r.delta == {"correct": 1, "refused": -1, "wrong": 0}
|
||||
|
||||
|
||||
def test_no_baseline_means_empty_delta(tmp_path: Path):
|
||||
report_path = tmp_path / "report.json"
|
||||
_write_report(report_path, correct=3, refused=47, wrong=0, per_case=[])
|
||||
r = build_coverage_report(
|
||||
report_path,
|
||||
lane="t", split="s", version="v1", use_reader=False,
|
||||
baseline_path=None,
|
||||
)
|
||||
assert r.delta == {}
|
||||
|
||||
|
||||
def test_missing_report_raises(tmp_path: Path):
|
||||
with pytest.raises(FileNotFoundError):
|
||||
build_coverage_report(
|
||||
tmp_path / "nope.json",
|
||||
lane="t", split="s", version="v1", use_reader=False,
|
||||
)
|
||||
|
||||
|
||||
def test_as_dict_round_trip(tmp_path: Path):
|
||||
report_path = tmp_path / "report.json"
|
||||
_write_report(report_path, correct=1, refused=1, wrong=0, per_case=[
|
||||
{"case_id": "x-0001", "verdict": "correct"},
|
||||
{"case_id": "x-0002", "verdict": "refused", "reason": "candidate_graph: recognizer matched but produced no injection for statement: 'X.' (category=discrete_count_statement)"},
|
||||
])
|
||||
r = build_coverage_report(report_path, lane="t", split="s", version="v1", use_reader=True)
|
||||
d = r.as_dict()
|
||||
assert d["counts"]["total"] == 2
|
||||
assert "recognizer_empty_injection(discrete_count_statement)" in d["refusal_taxonomy"]
|
||||
assert d["use_reader"] is True
|
||||
|
||||
|
||||
def test_taxonomy_sorted_by_count_desc(tmp_path: Path):
|
||||
report_path = tmp_path / "report.json"
|
||||
_write_report(report_path, correct=0, refused=4, wrong=0, per_case=[
|
||||
{"case_id": f"x-{i:04d}", "verdict": "refused", "reason": "candidate_graph: no admissible candidate for question: '?'" if i < 1 else "candidate_graph: recognizer matched but produced no injection for statement: 'X.' (category=multiplicative_aggregation)"}
|
||||
for i in range(4)
|
||||
])
|
||||
r = build_coverage_report(report_path, lane="t", split="s", version="v1", use_reader=False)
|
||||
keys = list(r.refusal_taxonomy.keys())
|
||||
assert keys[0] == "recognizer_empty_injection(multiplicative_aggregation)" # 3 > 1
|
||||
assert keys[1] == "no_admissible_question"
|
||||
|
||||
|
||||
def test_wrong_zero_invariant_visible_via_as_dict(tmp_path: Path):
|
||||
report_path = tmp_path / "report.json"
|
||||
_write_report(report_path, correct=0, refused=0, wrong=2, per_case=[])
|
||||
r = build_coverage_report(report_path, lane="t", split="s", version="v1", use_reader=False)
|
||||
assert r.as_dict()["counts"]["wrong"] == 2
|
||||
|
||||
|
||||
# ---------------------------------------------------------------------------
|
||||
# Sourcery review follow-ups (PR #410 round 1)
|
||||
# ---------------------------------------------------------------------------
|
||||
|
||||
|
||||
def test_classify_refusal_is_case_insensitive():
|
||||
"""Mixed-case reason text classifies into the same bucket."""
|
||||
mixed = (
|
||||
"Candidate_Graph: Recognizer Matched But Produced No Injection "
|
||||
"for statement: 'X.' (category=currency_amount)"
|
||||
)
|
||||
assert _classify_refusal(mixed) == "recognizer_empty_injection(currency_amount)"
|
||||
|
||||
|
||||
def test_classify_docstring_matches_implementation_buckets():
|
||||
"""The docstring's bucket list matches the values _classify_refusal returns."""
|
||||
expected_buckets = {
|
||||
"recognizer_empty_injection",
|
||||
"no_admissible_question",
|
||||
"no_admissible_statement",
|
||||
"unexpected_question_count",
|
||||
"other",
|
||||
}
|
||||
doc = _classify_refusal.__doc__ or ""
|
||||
for bucket in expected_buckets:
|
||||
assert bucket in doc, f"docstring missing bucket: {bucket}"
|
||||
|
||||
|
||||
def test_fetch_committed_baseline_uses_system_temp(tmp_path, monkeypatch):
|
||||
"""The baseline temp file lives in tempfile.gettempdir(), not .git/."""
|
||||
import tempfile as _tempfile
|
||||
from teaching.coverage import fetch_committed_baseline
|
||||
|
||||
class _FakeCompleted:
|
||||
def __init__(self, stdout: str) -> None:
|
||||
self.stdout = stdout
|
||||
|
||||
import subprocess as _sp
|
||||
|
||||
fake_baseline = '{"counts": {"correct": 1, "refused": 1, "wrong": 0}}'
|
||||
|
||||
def _fake_run(*_args, **_kwargs):
|
||||
return _FakeCompleted(fake_baseline)
|
||||
|
||||
monkeypatch.setattr(_sp, "run", _fake_run)
|
||||
|
||||
out = fetch_committed_baseline("evals/x/report.json", tmp_path)
|
||||
assert out is not None
|
||||
sys_temp = Path(_tempfile.gettempdir()).resolve()
|
||||
assert str(out.resolve()).startswith(str(sys_temp)), (
|
||||
f"baseline temp must be under {sys_temp}, got {out!r}"
|
||||
)
|
||||
out.unlink(missing_ok=True)
|
||||
Loading…
Reference in a new issue