test_plumbing_commit_tree.py
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| 1 | """Comprehensive tests for ``muse plumbing commit-tree``. |
| 2 | |
| 3 | Coverage tiers |
| 4 | -------------- |
| 5 | - Unit: _FORMAT_CHOICES |
| 6 | - Integration: basic creation, --parent chain, merge commit, text format, |
| 7 | --agent-id/--model-id/--toolchain-id provenance, --branch override |
| 8 | - Security: >2 parents silently rejected, errors to stderr, no traceback |
| 9 | - Stress: 200 sequential commit-tree calls |
| 10 | """ |
| 11 | from __future__ import annotations |
| 12 | |
| 13 | import datetime |
| 14 | import json |
| 15 | import pathlib |
| 16 | |
| 17 | from muse.core.errors import ExitCode |
| 18 | from muse.core.snapshot import compute_commit_id, compute_snapshot_id |
| 19 | from muse.core.store import CommitRecord, SnapshotRecord, read_commit, write_commit, write_snapshot |
| 20 | from muse.core._types import Manifest |
| 21 | from tests.cli_test_helper import CliRunner, InvokeResult |
| 22 | |
| 23 | runner = CliRunner() |
| 24 | |
| 25 | |
| 26 | # --------------------------------------------------------------------------- |
| 27 | # Helpers |
| 28 | # --------------------------------------------------------------------------- |
| 29 | |
| 30 | def _make_repo(tmp_path: pathlib.Path) -> pathlib.Path: |
| 31 | repo = tmp_path / "repo" |
| 32 | muse = repo / ".muse" |
| 33 | for sub in ("objects", "commits", "snapshots", "refs/heads"): |
| 34 | (muse / sub).mkdir(parents=True) |
| 35 | (muse / "HEAD").write_text("ref: refs/heads/main") |
| 36 | (muse / "repo.json").write_text(json.dumps({"repo_id": "test-repo", "domain": "code"})) |
| 37 | return repo |
| 38 | |
| 39 | |
| 40 | def _snap(repo: pathlib.Path) -> str: |
| 41 | manifest: Manifest = {} |
| 42 | sid = compute_snapshot_id(manifest) |
| 43 | write_snapshot(repo, SnapshotRecord( |
| 44 | snapshot_id=sid, |
| 45 | manifest=manifest, |
| 46 | created_at=datetime.datetime(2026, 1, 1, tzinfo=datetime.timezone.utc), |
| 47 | )) |
| 48 | return sid |
| 49 | |
| 50 | |
| 51 | def _commit( |
| 52 | repo: pathlib.Path, |
| 53 | snap_id: str, |
| 54 | parent: str | None = None, |
| 55 | message: str = "parent", |
| 56 | ) -> str: |
| 57 | committed_at = datetime.datetime(2026, 1, 1, tzinfo=datetime.timezone.utc) |
| 58 | parent_ids: list[str] = [parent] if parent else [] |
| 59 | commit_id = compute_commit_id(parent_ids, snap_id, message, committed_at.isoformat()) |
| 60 | write_commit(repo, CommitRecord( |
| 61 | commit_id=commit_id, |
| 62 | repo_id="test-repo", |
| 63 | branch="main", |
| 64 | snapshot_id=snap_id, |
| 65 | message=message, |
| 66 | committed_at=committed_at, |
| 67 | parent_commit_id=parent, |
| 68 | )) |
| 69 | return commit_id |
| 70 | |
| 71 | |
| 72 | def _ct(repo: pathlib.Path, *args: str) -> InvokeResult: |
| 73 | from muse.cli.app import main as cli |
| 74 | return runner.invoke( |
| 75 | cli, |
| 76 | ["commit-tree", *args], |
| 77 | env={"MUSE_REPO_ROOT": str(repo)}, |
| 78 | ) |
| 79 | |
| 80 | |
| 81 | # --------------------------------------------------------------------------- |
| 82 | # Unit |
| 83 | # --------------------------------------------------------------------------- |
| 84 | |
| 85 | |
| 86 | class TestUnit: |
| 87 | def test_format_choices(self) -> None: |
| 88 | from muse.cli.commands.plumbing.commit_tree import _FORMAT_CHOICES |
| 89 | assert "json" in _FORMAT_CHOICES |
| 90 | assert "text" in _FORMAT_CHOICES |
| 91 | |
| 92 | |
| 93 | # --------------------------------------------------------------------------- |
| 94 | # Integration — basic creation |
| 95 | # --------------------------------------------------------------------------- |
| 96 | |
| 97 | |
| 98 | class TestBasicCreation: |
| 99 | def test_creates_commit(self, tmp_path: pathlib.Path) -> None: |
| 100 | repo = _make_repo(tmp_path) |
| 101 | sid = _snap(repo) |
| 102 | result = _ct(repo, "--snapshot", sid, "--message", "first commit") |
| 103 | assert result.exit_code == 0 |
| 104 | data = json.loads(result.output) |
| 105 | assert "commit_id" in data |
| 106 | assert len(data["commit_id"]) == 64 |
| 107 | |
| 108 | def test_commit_persisted_in_store(self, tmp_path: pathlib.Path) -> None: |
| 109 | repo = _make_repo(tmp_path) |
| 110 | sid = _snap(repo) |
| 111 | data = json.loads(_ct(repo, "--snapshot", sid).output) |
| 112 | cid = data["commit_id"] |
| 113 | rec = read_commit(repo, cid) |
| 114 | assert rec is not None |
| 115 | assert rec.snapshot_id == sid |
| 116 | |
| 117 | def test_json_flag_shorthand(self, tmp_path: pathlib.Path) -> None: |
| 118 | repo = _make_repo(tmp_path) |
| 119 | sid = _snap(repo) |
| 120 | result = _ct(repo, "--json", "--snapshot", sid) |
| 121 | assert result.exit_code == 0 |
| 122 | assert "commit_id" in json.loads(result.output) |
| 123 | |
| 124 | def test_text_format_bare_commit_id(self, tmp_path: pathlib.Path) -> None: |
| 125 | repo = _make_repo(tmp_path) |
| 126 | sid = _snap(repo) |
| 127 | result = _ct(repo, "--format", "text", "--snapshot", sid) |
| 128 | assert result.exit_code == 0 |
| 129 | line = result.output.strip() |
| 130 | assert len(line) == 64 |
| 131 | |
| 132 | def test_message_stored(self, tmp_path: pathlib.Path) -> None: |
| 133 | repo = _make_repo(tmp_path) |
| 134 | sid = _snap(repo) |
| 135 | data = json.loads(_ct(repo, "--snapshot", sid, "--message", "my msg").output) |
| 136 | rec = read_commit(repo, data["commit_id"]) |
| 137 | assert rec is not None |
| 138 | assert rec.message == "my msg" |
| 139 | |
| 140 | def test_author_stored(self, tmp_path: pathlib.Path) -> None: |
| 141 | repo = _make_repo(tmp_path) |
| 142 | sid = _snap(repo) |
| 143 | data = json.loads(_ct(repo, "--snapshot", sid, "--author", "gabriel").output) |
| 144 | rec = read_commit(repo, data["commit_id"]) |
| 145 | assert rec is not None |
| 146 | assert rec.author == "gabriel" |
| 147 | |
| 148 | |
| 149 | # --------------------------------------------------------------------------- |
| 150 | # Integration — parent chain |
| 151 | # --------------------------------------------------------------------------- |
| 152 | |
| 153 | |
| 154 | class TestParentChain: |
| 155 | def test_single_parent_stored(self, tmp_path: pathlib.Path) -> None: |
| 156 | repo = _make_repo(tmp_path) |
| 157 | sid = _snap(repo) |
| 158 | p1_id = _commit(repo, sid) |
| 159 | data = json.loads(_ct(repo, "--snapshot", sid, "--parent", p1_id).output) |
| 160 | rec = read_commit(repo, data["commit_id"]) |
| 161 | assert rec is not None |
| 162 | assert rec.parent_commit_id == p1_id |
| 163 | assert rec.parent2_commit_id is None |
| 164 | |
| 165 | def test_merge_commit_two_parents(self, tmp_path: pathlib.Path) -> None: |
| 166 | repo = _make_repo(tmp_path) |
| 167 | sid = _snap(repo) |
| 168 | p1 = _commit(repo, sid, message="parent1") |
| 169 | p2 = _commit(repo, sid, message="parent2") |
| 170 | data = json.loads( |
| 171 | _ct(repo, "--snapshot", sid, "--parent", p1, "--parent", p2).output |
| 172 | ) |
| 173 | rec = read_commit(repo, data["commit_id"]) |
| 174 | assert rec is not None |
| 175 | assert rec.parent_commit_id == p1 |
| 176 | assert rec.parent2_commit_id == p2 |
| 177 | |
| 178 | def test_three_parents_rejected(self, tmp_path: pathlib.Path) -> None: |
| 179 | repo = _make_repo(tmp_path) |
| 180 | sid = _snap(repo) |
| 181 | p = _commit(repo, sid) |
| 182 | result = _ct( |
| 183 | repo, "--snapshot", sid, |
| 184 | "--parent", p, "--parent", p, "--parent", p, |
| 185 | ) |
| 186 | assert result.exit_code == ExitCode.USER_ERROR |
| 187 | |
| 188 | def test_missing_parent_errors(self, tmp_path: pathlib.Path) -> None: |
| 189 | repo = _make_repo(tmp_path) |
| 190 | sid = _snap(repo) |
| 191 | result = _ct(repo, "--snapshot", sid, "--parent", "dead" + "beef" * 15) |
| 192 | assert result.exit_code == ExitCode.USER_ERROR |
| 193 | |
| 194 | |
| 195 | # --------------------------------------------------------------------------- |
| 196 | # Integration — agent provenance flags |
| 197 | # --------------------------------------------------------------------------- |
| 198 | |
| 199 | |
| 200 | class TestAgentProvenance: |
| 201 | def test_agent_id_stored(self, tmp_path: pathlib.Path) -> None: |
| 202 | repo = _make_repo(tmp_path) |
| 203 | sid = _snap(repo) |
| 204 | data = json.loads( |
| 205 | _ct(repo, "--snapshot", sid, "--agent-id", "my-bot").output |
| 206 | ) |
| 207 | rec = read_commit(repo, data["commit_id"]) |
| 208 | assert rec is not None |
| 209 | assert rec.agent_id == "my-bot" |
| 210 | |
| 211 | def test_model_id_stored(self, tmp_path: pathlib.Path) -> None: |
| 212 | repo = _make_repo(tmp_path) |
| 213 | sid = _snap(repo) |
| 214 | data = json.loads( |
| 215 | _ct(repo, "--snapshot", sid, "--model-id", "claude-opus-4").output |
| 216 | ) |
| 217 | rec = read_commit(repo, data["commit_id"]) |
| 218 | assert rec is not None |
| 219 | assert rec.model_id == "claude-opus-4" |
| 220 | |
| 221 | def test_toolchain_id_stored(self, tmp_path: pathlib.Path) -> None: |
| 222 | repo = _make_repo(tmp_path) |
| 223 | sid = _snap(repo) |
| 224 | data = json.loads( |
| 225 | _ct(repo, "--snapshot", sid, "--toolchain-id", "cursor-agent-v2").output |
| 226 | ) |
| 227 | rec = read_commit(repo, data["commit_id"]) |
| 228 | assert rec is not None |
| 229 | assert rec.toolchain_id == "cursor-agent-v2" |
| 230 | |
| 231 | def test_full_provenance_round_trip(self, tmp_path: pathlib.Path) -> None: |
| 232 | repo = _make_repo(tmp_path) |
| 233 | sid = _snap(repo) |
| 234 | data = json.loads(_ct( |
| 235 | repo, |
| 236 | "--snapshot", sid, |
| 237 | "--agent-id", "audit-bot", |
| 238 | "--model-id", "claude-4", |
| 239 | "--toolchain-id", "muse-agent-v1", |
| 240 | ).output) |
| 241 | rec = read_commit(repo, data["commit_id"]) |
| 242 | assert rec is not None |
| 243 | assert rec.agent_id == "audit-bot" |
| 244 | assert rec.model_id == "claude-4" |
| 245 | assert rec.toolchain_id == "muse-agent-v1" |
| 246 | |
| 247 | def test_defaults_to_empty_strings(self, tmp_path: pathlib.Path) -> None: |
| 248 | repo = _make_repo(tmp_path) |
| 249 | sid = _snap(repo) |
| 250 | data = json.loads(_ct(repo, "--snapshot", sid).output) |
| 251 | rec = read_commit(repo, data["commit_id"]) |
| 252 | assert rec is not None |
| 253 | assert rec.agent_id == "" |
| 254 | assert rec.model_id == "" |
| 255 | assert rec.toolchain_id == "" |
| 256 | |
| 257 | |
| 258 | # --------------------------------------------------------------------------- |
| 259 | # Integration — --branch override |
| 260 | # --------------------------------------------------------------------------- |
| 261 | |
| 262 | |
| 263 | class TestBranchOverride: |
| 264 | def test_branch_override_stored(self, tmp_path: pathlib.Path) -> None: |
| 265 | repo = _make_repo(tmp_path) |
| 266 | sid = _snap(repo) |
| 267 | data = json.loads(_ct(repo, "--snapshot", sid, "--branch", "feat/x").output) |
| 268 | rec = read_commit(repo, data["commit_id"]) |
| 269 | assert rec is not None |
| 270 | assert rec.branch == "feat/x" |
| 271 | |
| 272 | |
| 273 | # --------------------------------------------------------------------------- |
| 274 | # Error cases |
| 275 | # --------------------------------------------------------------------------- |
| 276 | |
| 277 | |
| 278 | class TestErrors: |
| 279 | def test_missing_snapshot_errors(self, tmp_path: pathlib.Path) -> None: |
| 280 | repo = _make_repo(tmp_path) |
| 281 | result = _ct(repo, "--snapshot", "dead" + "beef" * 15) |
| 282 | assert result.exit_code == ExitCode.USER_ERROR |
| 283 | |
| 284 | def test_invalid_snapshot_id_errors(self, tmp_path: pathlib.Path) -> None: |
| 285 | repo = _make_repo(tmp_path) |
| 286 | result = _ct(repo, "--snapshot", "not-hex") |
| 287 | assert result.exit_code == ExitCode.USER_ERROR |
| 288 | |
| 289 | def test_invalid_parent_id_errors(self, tmp_path: pathlib.Path) -> None: |
| 290 | repo = _make_repo(tmp_path) |
| 291 | sid = _snap(repo) |
| 292 | result = _ct(repo, "--snapshot", sid, "--parent", "bad-hex") |
| 293 | assert result.exit_code == ExitCode.USER_ERROR |
| 294 | |
| 295 | def test_unknown_format_errors(self, tmp_path: pathlib.Path) -> None: |
| 296 | repo = _make_repo(tmp_path) |
| 297 | sid = _snap(repo) |
| 298 | result = _ct(repo, "--snapshot", sid, "--format", "msgpack") |
| 299 | assert result.exit_code == ExitCode.USER_ERROR |
| 300 | |
| 301 | |
| 302 | # --------------------------------------------------------------------------- |
| 303 | # Security |
| 304 | # --------------------------------------------------------------------------- |
| 305 | |
| 306 | |
| 307 | class TestSecurity: |
| 308 | def test_no_traceback_on_bad_snapshot(self, tmp_path: pathlib.Path) -> None: |
| 309 | repo = _make_repo(tmp_path) |
| 310 | result = _ct(repo, "--snapshot", "bad") |
| 311 | assert "Traceback" not in result.output |
| 312 | |
| 313 | def test_no_traceback_on_too_many_parents(self, tmp_path: pathlib.Path) -> None: |
| 314 | repo = _make_repo(tmp_path) |
| 315 | sid = _snap(repo) |
| 316 | p = _commit(repo, sid) |
| 317 | result = _ct(repo, "--snapshot", sid, "--parent", p, "--parent", p, "--parent", p) |
| 318 | assert "Traceback" not in result.output |
| 319 | |
| 320 | |
| 321 | # --------------------------------------------------------------------------- |
| 322 | # Stress |
| 323 | # --------------------------------------------------------------------------- |
| 324 | |
| 325 | |
| 326 | class TestStress: |
| 327 | def test_200_sequential_commits(self, tmp_path: pathlib.Path) -> None: |
| 328 | repo = _make_repo(tmp_path) |
| 329 | sid = _snap(repo) |
| 330 | for i in range(200): |
| 331 | result = _ct(repo, "--snapshot", sid, "--message", f"commit {i}") |
| 332 | assert result.exit_code == 0, f"failed at iteration {i}" |
| 333 | data = json.loads(result.output) |
| 334 | assert len(data["commit_id"]) == 64 |