test_bundle_reachable_from.py
python
sha256:81ae324db5ad375fbfe4834c6fcb378312cafad3cc92dec5d3e5c427306621a2
fix: remove commit_exists filter from have anchors — server…
Sonnet 4.6
patch
20 days ago
| 1 | """TDD — bundle._reachable_from must use ancestor_ids, not inline deque BFS. |
| 2 | |
| 3 | B1 Structural — _reachable_from contains no inline deque/seen BFS |
| 4 | B2 Behavioural — returns all commit IDs reachable from tip_ids |
| 5 | """ |
| 6 | from __future__ import annotations |
| 7 | |
| 8 | import datetime |
| 9 | import inspect |
| 10 | import json |
| 11 | import pathlib |
| 12 | |
| 13 | import pytest |
| 14 | |
| 15 | from muse._version import __version__ |
| 16 | from muse.core.object_store import write_object |
| 17 | from muse.core.ids import hash_commit, hash_snapshot |
| 18 | from muse.core.commits import ( |
| 19 | CommitRecord, |
| 20 | write_commit, |
| 21 | ) |
| 22 | from muse.core.snapshots import ( |
| 23 | SnapshotRecord, |
| 24 | write_snapshot, |
| 25 | ) |
| 26 | from muse.core.types import blob_id |
| 27 | from muse.core.paths import muse_dir |
| 28 | |
| 29 | |
| 30 | def _repo(tmp_path: pathlib.Path, monkeypatch: pytest.MonkeyPatch) -> pathlib.Path: |
| 31 | dot_muse = muse_dir(tmp_path) |
| 32 | for d in ("commits", "snapshots", "objects", "refs/heads", "remotes"): |
| 33 | (dot_muse / d).mkdir(parents=True, exist_ok=True) |
| 34 | (dot_muse / "HEAD").write_text("ref: refs/heads/main\n") |
| 35 | (dot_muse / "repo.json").write_text( |
| 36 | json.dumps({"repo_id": "test-repo", "schema_version": __version__, "domain": "code"}) |
| 37 | ) |
| 38 | monkeypatch.setenv("MUSE_REPO_ROOT", str(tmp_path)) |
| 39 | monkeypatch.chdir(tmp_path) |
| 40 | return tmp_path |
| 41 | |
| 42 | |
| 43 | def _make_commit( |
| 44 | root: pathlib.Path, |
| 45 | parent_id: str | None = None, |
| 46 | *, |
| 47 | message: str = "test", |
| 48 | ) -> CommitRecord: |
| 49 | oid = blob_id(b"data-" + message.encode()) |
| 50 | write_object(root, oid, b"data-" + message.encode()) |
| 51 | manifest = {"f.py": oid} |
| 52 | snap_id = hash_snapshot(manifest) |
| 53 | write_snapshot(root, SnapshotRecord(snapshot_id=snap_id, manifest=manifest)) |
| 54 | ts = datetime.datetime(2026, 1, 1, tzinfo=datetime.timezone.utc) |
| 55 | cid = hash_commit( |
| 56 | parent_ids=[parent_id] if parent_id else [], |
| 57 | snapshot_id=snap_id, |
| 58 | message=message, |
| 59 | committed_at_iso=ts.isoformat(), |
| 60 | ) |
| 61 | rec = CommitRecord( |
| 62 | commit_id=cid, |
| 63 | branch="main", |
| 64 | snapshot_id=snap_id, |
| 65 | message=message, |
| 66 | committed_at=ts, |
| 67 | parent_commit_id=parent_id, |
| 68 | ) |
| 69 | write_commit(root, rec) |
| 70 | return rec |
| 71 | |
| 72 | |
| 73 | # --------------------------------------------------------------------------- |
| 74 | # B1 Structural |
| 75 | # --------------------------------------------------------------------------- |
| 76 | |
| 77 | def test_b1_reachable_from_uses_ancestor_ids() -> None: |
| 78 | """_reachable_from must not contain an inline deque BFS.""" |
| 79 | from muse.cli.commands import bundle as bundle_mod |
| 80 | |
| 81 | src = inspect.getsource(bundle_mod._reachable_from) # type: ignore[attr-defined] |
| 82 | |
| 83 | assert "ancestor_ids" in src, ( |
| 84 | "_reachable_from must delegate to ancestor_ids. " |
| 85 | "Replace the inline deque BFS." |
| 86 | ) |
| 87 | assert "deque" not in src, ( |
| 88 | "_reachable_from still uses an inline deque. Replace with ancestor_ids." |
| 89 | ) |
| 90 | |
| 91 | |
| 92 | # --------------------------------------------------------------------------- |
| 93 | # B2 Behavioural |
| 94 | # --------------------------------------------------------------------------- |
| 95 | |
| 96 | def test_b2_reachable_from_returns_all_reachable( |
| 97 | tmp_path: pathlib.Path, |
| 98 | monkeypatch: pytest.MonkeyPatch, |
| 99 | ) -> None: |
| 100 | """_reachable_from returns every commit ID reachable from the tips. |
| 101 | |
| 102 | Chain: C1 → C2 → C3. Starting from C3, all three must be returned. |
| 103 | """ |
| 104 | from muse.cli.commands.bundle import _reachable_from # type: ignore[attr-defined] |
| 105 | |
| 106 | root = _repo(tmp_path, monkeypatch) |
| 107 | c1 = _make_commit(root, message="c1") |
| 108 | c2 = _make_commit(root, c1.commit_id, message="c2") |
| 109 | c3 = _make_commit(root, c2.commit_id, message="c3") |
| 110 | |
| 111 | result = _reachable_from(root, [c3.commit_id]) |
| 112 | |
| 113 | assert c1.commit_id in result |
| 114 | assert c2.commit_id in result |
| 115 | assert c3.commit_id in result |
File History
4 commits
sha256:81ae324db5ad375fbfe4834c6fcb378312cafad3cc92dec5d3e5c427306621a2
fix: remove commit_exists filter from have anchors — server…
Sonnet 4.6
patch
20 days ago
sha256:36c3cb3e76619d4c30a6d9bf81b5ec4ff148e30dcfed913e3114ca7b43b81c7e
fix: rename objects→blobs in push client and all stale test…
Sonnet 4.6
patch
22 days ago
sha256:c06a9b9b9fee26c68ea725b44d54b2c0a171301ce9de746d5b656617b4463a9a
fix: repair four test failures from post-migration audit
Sonnet 4.6
patch
28 days ago
sha256:1900655993c83c4107067375548a7be823e471d2515830842f1a12cba4bd3cdf
fix: unified object store migration — idempotent writes, JS…
Sonnet 4.6
minor
⚠
29 days ago