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nisse/tests/integration/test_delegation_live.py
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dongarandClaude Opus 5 53ed11f9c4
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Add the delegation harness (A13) — step 7b
A frontier model receives a scoped sub-task, works autonomously with
full tool access, and hands back; the local loop reads the handback
note and the file state, never the reasoning.

- Branch at delegation start, and abort discards it. That required
  committing each turn's work onto the branch: without commits,
  deleting a branch discards nothing, so "abort discards the work"
  was a comforting phrase rather than a fact. The caller's own
  in-flight changes are committed to their branch first, so an abort
  cannot destroy work nobody delegated
- Hard caps on turns and wall clock; a breach is a defined failure
  return, and its result is not usable, so the caller gates rather
  than resuming on a half-edited tree
- Every event is checkpointed as it arrives, so a crash mid-delegation
  leaves the branch at a known commit and a truthful transcript
- Handback is validated locally: blank fields or a non-boolean success
  flag are refused and the delegation continues rather than accepting
  a useless note

Two failure modes found by running it against a real model:

- A success claim with nothing changed was accepted. The handback plus
  file state is the entire interface back, so a note describing work
  that does not exist is worse than no note. Success now requires a
  successful mutating tool call; reporting failure still does not,
  since "this is impossible" is a legitimate finding
- The delegate invented the absolute path /workspace, wrote there, ran
  its tests there, and handed back truthfully — with the repo empty
  and git seeing nothing. Writes outside the workspace are now refused
  with a message naming the real root, and both prompts state where
  the workspace is instead of leaving the model to guess. This is not
  sandboxing: work outside the repo is invisible to git, so the
  milestone would publish an empty PR

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-09-08 00:14:24 +00:00

90 lines
3.2 KiB
Python

"""A real delegation over the Anthropic passthrough: scoped sub-task in,
working code and a structured handback out."""
import io
import os
from pathlib import Path
import pytest
from nisse_dev.delegation import Caps, Delegation
from nisse_dev.envfile import load_env_file
from nisse_dev.git import GitRepo
from nisse_dev.llm import AnthropicPassthroughClient
from nisse_dev.oplog import OpLog
from nisse_dev.state import StateStore
from nisse_dev.tools import Workspace
load_env_file(Path(__file__).resolve().parents[2] / ".env")
SENTINEL = "NISSE_LIVE_PLANNER_MODEL"
pytestmark = [
pytest.mark.integration,
pytest.mark.skipif(
not os.environ.get(SENTINEL),
reason=f"no live frontier route configured ({SENTINEL} unset)",
),
]
BRIEF = """Create `slugify.py` in the workspace root containing a function
`slugify(text)` that lowercases the text and replaces every run of
non-alphanumeric characters with a single hyphen, with no leading or trailing
hyphen. Then create `test_slugify.py` with at least two assertions covering
it, and run `python -m pytest test_slugify.py -q` until it passes."""
def build(tmp_path: Path, caps: Caps) -> tuple[Delegation, GitRepo, StateStore]:
repo = GitRepo(tmp_path / "work")
repo.init()
repo.configure_identity("nisse-dev-testing", "n@t.test")
(repo.root / "README.md").write_text("sandbox\n")
repo.commit_all("seed")
store = StateStore(tmp_path / "state.db", oplog=OpLog("nisse-dev", io.StringIO()))
delegation = Delegation(
AnthropicPassthroughClient.from_env(),
store,
Workspace(repo.root, timeout_s=60),
repo,
model=os.environ[SENTINEL],
caps=caps,
)
return delegation, repo, store
def test_delegate_completes_a_scoped_subtask(tmp_path: Path) -> None:
delegation, repo, _store = build(tmp_path, Caps(turns=12, wall_clock_s=300.0))
result = delegation.run(brief=BRIEF, branch="live/delegation-1")
assert result.usable, f"delegation did not hand back: {result.status} {result.note}"
assert (repo.root / "slugify.py").exists()
# The handback is the entire interface back, so it must actually say
# something in each part rather than be structurally present but empty.
handback = result.handback
assert handback is not None
assert len(handback.changed) > 10
assert len(handback.now_true) > 10
assert len(handback.next) > 5
# The delegate's own work is on its branch, and it really runs.
assert repo.current_branch() == "live/delegation-1"
check = Workspace(repo.root, timeout_s=60).run_command(
"python -m pytest test_slugify.py -q"
)
assert check.success, f"delegate's own tests do not pass: {check.result[:400]}"
def test_a_cap_breach_discards_the_work(tmp_path: Path) -> None:
# One turn cannot finish the brief, so this exercises the abort path
# against a real model rather than a scripted one.
delegation, repo, _ = build(tmp_path, Caps(turns=1, wall_clock_s=120.0))
result = delegation.run(brief=BRIEF, branch="live/delegation-2")
assert not result.usable
assert result.status == "capped"
assert repo.current_branch() == "main"
assert not (repo.root / "slugify.py").exists()