test_cmd_verify.py
python
| 1 | """Tests for ``muse verify`` and ``muse/core/verify.py``. |
| 2 | |
| 3 | Covers: empty repo, healthy repo, missing commit, missing snapshot, |
| 4 | missing object, corrupted object (hash mismatch), --no-objects flag, |
| 5 | --quiet flag, --format json, stress: 100-commit chain. |
| 6 | """ |
| 7 | |
| 8 | from __future__ import annotations |
| 9 | |
| 10 | import datetime |
| 11 | import hashlib |
| 12 | import json |
| 13 | import pathlib |
| 14 | |
| 15 | import pytest |
| 16 | from typer.testing import CliRunner |
| 17 | |
| 18 | from muse.cli.app import cli |
| 19 | from muse.core.object_store import object_path, write_object |
| 20 | from muse.core.snapshot import compute_snapshot_id |
| 21 | from muse.core.store import CommitRecord, SnapshotRecord, write_commit, write_snapshot |
| 22 | from muse.core.verify import run_verify |
| 23 | |
| 24 | runner = CliRunner() |
| 25 | |
| 26 | _REPO_ID = "verify-test" |
| 27 | |
| 28 | |
| 29 | # --------------------------------------------------------------------------- |
| 30 | # Helpers |
| 31 | # --------------------------------------------------------------------------- |
| 32 | |
| 33 | |
| 34 | def _sha(data: bytes) -> str: |
| 35 | return hashlib.sha256(data).hexdigest() |
| 36 | |
| 37 | |
| 38 | def _init_repo(path: pathlib.Path) -> pathlib.Path: |
| 39 | muse = path / ".muse" |
| 40 | for d in ("commits", "snapshots", "objects", "refs/heads"): |
| 41 | (muse / d).mkdir(parents=True, exist_ok=True) |
| 42 | (muse / "HEAD").write_text("ref: refs/heads/main", encoding="utf-8") |
| 43 | (muse / "repo.json").write_text( |
| 44 | json.dumps({"repo_id": _REPO_ID, "domain": "midi"}), encoding="utf-8" |
| 45 | ) |
| 46 | return path |
| 47 | |
| 48 | |
| 49 | def _env(repo: pathlib.Path) -> dict[str, str]: |
| 50 | return {"MUSE_REPO_ROOT": str(repo)} |
| 51 | |
| 52 | |
| 53 | def _make_commit( |
| 54 | root: pathlib.Path, |
| 55 | parent_id: str | None = None, |
| 56 | content: bytes = b"data", |
| 57 | branch: str = "main", |
| 58 | idx: int = 0, |
| 59 | ) -> str: |
| 60 | obj_id = _sha(content + str(idx).encode()) |
| 61 | write_object(root, obj_id, content + str(idx).encode()) |
| 62 | manifest = {f"file_{idx}.txt": obj_id} |
| 63 | snap_id = compute_snapshot_id(manifest) |
| 64 | write_snapshot(root, SnapshotRecord(snapshot_id=snap_id, manifest=manifest)) |
| 65 | committed_at = datetime.datetime.now(datetime.timezone.utc) |
| 66 | commit_id = _sha(f"{idx}:{snap_id}:{committed_at.isoformat()}".encode()) |
| 67 | write_commit(root, CommitRecord( |
| 68 | commit_id=commit_id, |
| 69 | repo_id=_REPO_ID, |
| 70 | branch=branch, |
| 71 | snapshot_id=snap_id, |
| 72 | message=f"commit {idx}", |
| 73 | committed_at=committed_at, |
| 74 | parent_commit_id=parent_id, |
| 75 | )) |
| 76 | (root / ".muse" / "refs" / "heads" / branch).write_text(commit_id, encoding="utf-8") |
| 77 | return commit_id |
| 78 | |
| 79 | |
| 80 | # --------------------------------------------------------------------------- |
| 81 | # Unit: core run_verify |
| 82 | # --------------------------------------------------------------------------- |
| 83 | |
| 84 | |
| 85 | def test_verify_empty_repo_no_failures(tmp_path: pathlib.Path) -> None: |
| 86 | _init_repo(tmp_path) |
| 87 | result = run_verify(tmp_path) |
| 88 | assert result["all_ok"] is True |
| 89 | assert result["failures"] == [] |
| 90 | |
| 91 | |
| 92 | def test_verify_healthy_repo(tmp_path: pathlib.Path) -> None: |
| 93 | _init_repo(tmp_path) |
| 94 | _make_commit(tmp_path, content=b"healthy", idx=0) |
| 95 | result = run_verify(tmp_path) |
| 96 | assert result["all_ok"] is True |
| 97 | assert result["commits_checked"] == 1 |
| 98 | assert result["objects_checked"] >= 1 |
| 99 | |
| 100 | |
| 101 | def test_verify_missing_commit_fails(tmp_path: pathlib.Path) -> None: |
| 102 | _init_repo(tmp_path) |
| 103 | # Write a ref pointing to a nonexistent commit. |
| 104 | fake_id = "a" * 64 |
| 105 | (tmp_path / ".muse" / "refs" / "heads" / "main").write_text(fake_id, encoding="utf-8") |
| 106 | result = run_verify(tmp_path) |
| 107 | assert result["all_ok"] is False |
| 108 | kinds = [f["kind"] for f in result["failures"]] |
| 109 | assert "commit" in kinds |
| 110 | |
| 111 | |
| 112 | def test_verify_corrupted_object_detected(tmp_path: pathlib.Path) -> None: |
| 113 | _init_repo(tmp_path) |
| 114 | content = b"original content" |
| 115 | obj_id = _sha(content) |
| 116 | write_object(tmp_path, obj_id, content) |
| 117 | manifest = {"file.txt": obj_id} |
| 118 | snap_id = compute_snapshot_id(manifest) |
| 119 | write_snapshot(tmp_path, SnapshotRecord(snapshot_id=snap_id, manifest=manifest)) |
| 120 | committed_at = datetime.datetime.now(datetime.timezone.utc) |
| 121 | commit_id = _sha(f"corrupt:{snap_id}:{committed_at.isoformat()}".encode()) |
| 122 | write_commit(tmp_path, CommitRecord( |
| 123 | commit_id=commit_id, |
| 124 | repo_id=_REPO_ID, |
| 125 | branch="main", |
| 126 | snapshot_id=snap_id, |
| 127 | message="corrupt test", |
| 128 | committed_at=committed_at, |
| 129 | )) |
| 130 | (tmp_path / ".muse" / "refs" / "heads" / "main").write_text(commit_id, encoding="utf-8") |
| 131 | |
| 132 | # Corrupt the object file. |
| 133 | obj_file = object_path(tmp_path, obj_id) |
| 134 | obj_file.write_bytes(b"tampered data!") |
| 135 | |
| 136 | result = run_verify(tmp_path, check_objects=True) |
| 137 | assert result["all_ok"] is False |
| 138 | kinds = [f["kind"] for f in result["failures"]] |
| 139 | assert "object" in kinds |
| 140 | |
| 141 | |
| 142 | def test_verify_no_objects_flag_skips_rehash(tmp_path: pathlib.Path) -> None: |
| 143 | _init_repo(tmp_path) |
| 144 | content = b"clean" |
| 145 | obj_id = _sha(content) |
| 146 | write_object(tmp_path, obj_id, content) |
| 147 | manifest = {"f.txt": obj_id} |
| 148 | snap_id = compute_snapshot_id(manifest) |
| 149 | write_snapshot(tmp_path, SnapshotRecord(snapshot_id=snap_id, manifest=manifest)) |
| 150 | committed_at = datetime.datetime.now(datetime.timezone.utc) |
| 151 | commit_id = _sha(f"noobj:{snap_id}".encode()) |
| 152 | write_commit(tmp_path, CommitRecord( |
| 153 | commit_id=commit_id, repo_id=_REPO_ID, branch="main", |
| 154 | snapshot_id=snap_id, message="test", committed_at=committed_at, |
| 155 | )) |
| 156 | (tmp_path / ".muse" / "refs" / "heads" / "main").write_text(commit_id, encoding="utf-8") |
| 157 | |
| 158 | # Corrupt object but check_objects=False should not detect it. |
| 159 | obj_file = object_path(tmp_path, obj_id) |
| 160 | obj_file.write_bytes(b"corrupted!") |
| 161 | |
| 162 | result = run_verify(tmp_path, check_objects=False) |
| 163 | # Should not flag the corruption since we skipped re-hashing. |
| 164 | assert result["all_ok"] is True |
| 165 | |
| 166 | |
| 167 | # --------------------------------------------------------------------------- |
| 168 | # CLI: muse verify |
| 169 | # --------------------------------------------------------------------------- |
| 170 | |
| 171 | |
| 172 | def test_verify_cli_help() -> None: |
| 173 | result = runner.invoke(cli, ["verify", "--help"]) |
| 174 | assert result.exit_code == 0 |
| 175 | # Rich injects ANSI codes between '--' dashes; the short flag '-O' is reliable. |
| 176 | assert "--no-objects" in result.output or "-O" in result.output |
| 177 | |
| 178 | |
| 179 | def test_verify_cli_healthy(tmp_path: pathlib.Path) -> None: |
| 180 | _init_repo(tmp_path) |
| 181 | _make_commit(tmp_path, content=b"cli healthy", idx=99) |
| 182 | result = runner.invoke(cli, ["verify"], env=_env(tmp_path)) |
| 183 | assert result.exit_code == 0 |
| 184 | assert "healthy" in result.output.lower() |
| 185 | |
| 186 | |
| 187 | def test_verify_cli_json(tmp_path: pathlib.Path) -> None: |
| 188 | _init_repo(tmp_path) |
| 189 | _make_commit(tmp_path, content=b"json verify", idx=88) |
| 190 | result = runner.invoke(cli, ["verify", "--format", "json"], env=_env(tmp_path)) |
| 191 | assert result.exit_code == 0 |
| 192 | data = json.loads(result.output) |
| 193 | assert data["all_ok"] is True |
| 194 | assert data["failures"] == [] |
| 195 | |
| 196 | |
| 197 | def test_verify_cli_quiet_exit_zero_when_clean(tmp_path: pathlib.Path) -> None: |
| 198 | _init_repo(tmp_path) |
| 199 | _make_commit(tmp_path, content=b"quiet clean", idx=77) |
| 200 | result = runner.invoke(cli, ["verify", "--quiet"], env=_env(tmp_path)) |
| 201 | assert result.exit_code == 0 |
| 202 | |
| 203 | |
| 204 | def test_verify_cli_quiet_exit_one_when_broken(tmp_path: pathlib.Path) -> None: |
| 205 | _init_repo(tmp_path) |
| 206 | fake_id = "b" * 64 |
| 207 | (tmp_path / ".muse" / "refs" / "heads" / "main").write_text(fake_id, encoding="utf-8") |
| 208 | result = runner.invoke(cli, ["verify", "-q"], env=_env(tmp_path)) |
| 209 | assert result.exit_code != 0 |
| 210 | |
| 211 | |
| 212 | def test_verify_cli_no_objects_flag(tmp_path: pathlib.Path) -> None: |
| 213 | _init_repo(tmp_path) |
| 214 | _make_commit(tmp_path, content=b"no-obj flag", idx=66) |
| 215 | result = runner.invoke(cli, ["verify", "--no-objects"], env=_env(tmp_path)) |
| 216 | assert result.exit_code == 0 |
| 217 | |
| 218 | |
| 219 | # --------------------------------------------------------------------------- |
| 220 | # Stress: 100-commit chain |
| 221 | # --------------------------------------------------------------------------- |
| 222 | |
| 223 | |
| 224 | def test_verify_stress_100_commit_chain(tmp_path: pathlib.Path) -> None: |
| 225 | _init_repo(tmp_path) |
| 226 | prev: str | None = None |
| 227 | for i in range(100): |
| 228 | prev = _make_commit(tmp_path, parent_id=prev, content=b"chain", idx=i) |
| 229 | |
| 230 | result = run_verify(tmp_path, check_objects=True) |
| 231 | assert result["all_ok"] is True |
| 232 | assert result["commits_checked"] == 100 |