test_core_store.py
python
sha256:b636f72dcba9e190afb980bece906fa5b717fbde014b76ef023df8cb96e01eb9
docs: expand cache plan with all seven testing tiers and do…
Sonnet 4.6
135 days ago
| 1 | """Tests for muse.core.store — file-based commit and snapshot storage.""" |
| 2 | |
| 3 | import datetime |
| 4 | import json |
| 5 | import pathlib |
| 6 | |
| 7 | import pytest |
| 8 | |
| 9 | from muse.core.snapshot import compute_commit_id, compute_snapshot_id |
| 10 | |
| 11 | from muse.core._types import Manifest, fake_id |
| 12 | from muse.core.store import ( |
| 13 | CommitDict, |
| 14 | CommitRecord, |
| 15 | SnapshotRecord, |
| 16 | TagRecord, |
| 17 | _resolve_branch_commit_id, |
| 18 | find_commits_by_prefix, |
| 19 | get_all_commits, |
| 20 | get_all_tags, |
| 21 | get_commits_for_branch, |
| 22 | get_head_commit_id, |
| 23 | get_head_snapshot_id, |
| 24 | get_head_snapshot_manifest, |
| 25 | get_tags_for_commit, |
| 26 | read_commit, |
| 27 | read_snapshot, |
| 28 | update_commit_metadata, |
| 29 | write_commit, |
| 30 | write_snapshot, |
| 31 | write_tag, |
| 32 | ) |
| 33 | |
| 34 | |
| 35 | @pytest.fixture |
| 36 | def repo(tmp_path: pathlib.Path) -> pathlib.Path: |
| 37 | """Create a minimal .muse/ directory structure.""" |
| 38 | muse_dir = tmp_path / ".muse" |
| 39 | (muse_dir / "commits").mkdir(parents=True) |
| 40 | (muse_dir / "snapshots").mkdir(parents=True) |
| 41 | (muse_dir / "refs" / "heads").mkdir(parents=True) |
| 42 | (muse_dir / "repo.json").write_text(json.dumps({"repo_id": "test-repo"})) |
| 43 | (muse_dir / "HEAD").write_text("ref: refs/heads/main\n") |
| 44 | (muse_dir / "refs" / "heads" / "main").write_text("") |
| 45 | return tmp_path |
| 46 | |
| 47 | |
| 48 | def _make_commit( |
| 49 | root: pathlib.Path, |
| 50 | commit_id: str, |
| 51 | snapshot_id: str, |
| 52 | message: str, |
| 53 | parent: str | None = None, |
| 54 | ) -> CommitRecord: |
| 55 | """Write a commit whose ID is computed from its content fields. |
| 56 | |
| 57 | The ``commit_id`` parameter is kept for call-site readability but is |
| 58 | ignored — the real ID is derived by :func:`~muse.core.snapshot.compute_commit_id` |
| 59 | so every stored commit satisfies the I-10 content-hash verification. |
| 60 | """ |
| 61 | now = datetime.datetime.now(datetime.timezone.utc) |
| 62 | parents: list[str] = [parent] if parent else [] |
| 63 | real_id = compute_commit_id( |
| 64 | repo_id="test-repo", |
| 65 | parent_ids=parents, |
| 66 | snapshot_id=snapshot_id, |
| 67 | message=message, |
| 68 | committed_at_iso=now.isoformat(), |
| 69 | ) |
| 70 | c = CommitRecord( |
| 71 | commit_id=real_id, |
| 72 | repo_id="test-repo", |
| 73 | created_on_branch="main", |
| 74 | snapshot_id=snapshot_id, |
| 75 | message=message, |
| 76 | committed_at=now, |
| 77 | parent_commit_id=parent, |
| 78 | ) |
| 79 | write_commit(root, c) |
| 80 | return c |
| 81 | |
| 82 | |
| 83 | def _make_snapshot(root: pathlib.Path, snapshot_id: str, manifest: Manifest) -> SnapshotRecord: |
| 84 | """Write a snapshot whose ID is computed from its manifest. |
| 85 | |
| 86 | The ``snapshot_id`` parameter is kept for call-site readability but is |
| 87 | ignored — the real ID is derived by |
| 88 | :func:`~muse.core.snapshot.compute_snapshot_id` so every stored snapshot |
| 89 | satisfies the I-10 content-hash verification. |
| 90 | """ |
| 91 | real_id = compute_snapshot_id(manifest) |
| 92 | s = SnapshotRecord(snapshot_id=real_id, manifest=manifest) |
| 93 | write_snapshot(root, s) |
| 94 | return s |
| 95 | |
| 96 | |
| 97 | class TestWriteReadCommit: |
| 98 | def test_roundtrip(self, repo: pathlib.Path) -> None: |
| 99 | c = _make_commit(repo, "ignored", fake_id("snap"), "Initial commit") |
| 100 | loaded = read_commit(repo, c.commit_id) |
| 101 | assert loaded is not None |
| 102 | assert loaded.commit_id == c.commit_id |
| 103 | assert loaded.message == "Initial commit" |
| 104 | assert loaded.repo_id == "test-repo" |
| 105 | |
| 106 | def test_read_missing_returns_none(self, repo: pathlib.Path) -> None: |
| 107 | assert read_commit(repo, fake_id("nonexistent-commit")) is None |
| 108 | |
| 109 | def test_idempotent_write(self, repo: pathlib.Path) -> None: |
| 110 | c = _make_commit(repo, "ignored", fake_id("snap"), "First") |
| 111 | _make_commit(repo, "ignored", fake_id("snap"), "Second") # different timestamp → different ID; should write |
| 112 | loaded = read_commit(repo, c.commit_id) |
| 113 | assert loaded is not None |
| 114 | assert loaded.message == "First" |
| 115 | |
| 116 | def test_metadata_preserved(self, repo: pathlib.Path) -> None: |
| 117 | now = datetime.datetime.now(datetime.timezone.utc) |
| 118 | snap_id = fake_id("snap") |
| 119 | cid = compute_commit_id(repo_id="test-repo", parent_ids=[], snapshot_id=snap_id, message="With metadata", committed_at_iso=now.isoformat()) |
| 120 | c = CommitRecord( |
| 121 | commit_id=cid, |
| 122 | repo_id="test-repo", |
| 123 | created_on_branch="main", |
| 124 | snapshot_id=snap_id, |
| 125 | message="With metadata", |
| 126 | committed_at=now, |
| 127 | metadata={"section": "chorus", "emotion": "joyful"}, |
| 128 | ) |
| 129 | write_commit(repo, c) |
| 130 | loaded = read_commit(repo, cid) |
| 131 | assert loaded is not None |
| 132 | assert loaded.metadata["section"] == "chorus" |
| 133 | assert loaded.metadata["emotion"] == "joyful" |
| 134 | |
| 135 | |
| 136 | class TestUpdateCommitMetadata: |
| 137 | def test_set_key(self, repo: pathlib.Path) -> None: |
| 138 | c = _make_commit(repo, "ignored", fake_id("snap"), "msg") |
| 139 | result = update_commit_metadata(repo, c.commit_id, "tempo_bpm", "120.0") |
| 140 | assert result is True |
| 141 | loaded = read_commit(repo, c.commit_id) |
| 142 | assert loaded is not None |
| 143 | assert loaded.metadata["tempo_bpm"] == "120.0" |
| 144 | |
| 145 | def test_missing_commit_returns_false(self, repo: pathlib.Path) -> None: |
| 146 | assert update_commit_metadata(repo, fake_id("nonexistent-commit"), "k", "v") is False |
| 147 | |
| 148 | |
| 149 | class TestWriteReadSnapshot: |
| 150 | def test_roundtrip(self, repo: pathlib.Path) -> None: |
| 151 | _drum_id = fake_id("deadbeef") |
| 152 | s = _make_snapshot(repo, "ignored", {"tracks/drums.mid": _drum_id}) |
| 153 | loaded = read_snapshot(repo, s.snapshot_id) |
| 154 | assert loaded is not None |
| 155 | assert loaded.manifest == {"tracks/drums.mid": _drum_id} |
| 156 | |
| 157 | def test_read_missing_returns_none(self, repo: pathlib.Path) -> None: |
| 158 | assert read_snapshot(repo, fake_id("nonexistent-snapshot")) is None |
| 159 | |
| 160 | |
| 161 | class TestHeadQueries: |
| 162 | def test_get_head_commit_id_empty_branch(self, repo: pathlib.Path) -> None: |
| 163 | assert get_head_commit_id(repo, "main") is None |
| 164 | |
| 165 | def test_get_head_commit_id(self, repo: pathlib.Path) -> None: |
| 166 | c = _make_commit(repo, "ignored", fake_id("snap"), "msg") |
| 167 | (repo / ".muse" / "refs" / "heads" / "main").write_text(c.commit_id) |
| 168 | assert get_head_commit_id(repo, "main") == c.commit_id |
| 169 | |
| 170 | def test_get_head_snapshot_id(self, repo: pathlib.Path) -> None: |
| 171 | _f_id = fake_id("f.mid-content") |
| 172 | snap = _make_snapshot(repo, "ignored", {"f.mid": _f_id}) |
| 173 | c = _make_commit(repo, "ignored", snap.snapshot_id, "msg") |
| 174 | (repo / ".muse" / "refs" / "heads" / "main").write_text(c.commit_id) |
| 175 | assert get_head_snapshot_id(repo, "test-repo", "main") == snap.snapshot_id |
| 176 | |
| 177 | def test_get_head_snapshot_manifest(self, repo: pathlib.Path) -> None: |
| 178 | _f_id = fake_id("f.mid-content") |
| 179 | snap = _make_snapshot(repo, "ignored", {"f.mid": _f_id}) |
| 180 | c = _make_commit(repo, "ignored", snap.snapshot_id, "msg") |
| 181 | (repo / ".muse" / "refs" / "heads" / "main").write_text(c.commit_id) |
| 182 | manifest = get_head_snapshot_manifest(repo, "test-repo", "main") |
| 183 | assert manifest == {"f.mid": _f_id} |
| 184 | |
| 185 | |
| 186 | class TestResolveRemoteBranchCommitId: |
| 187 | """_resolve_branch_commit_id handles local branches and remote tracking refs.""" |
| 188 | |
| 189 | def test_local_branch_resolved(self, repo: pathlib.Path) -> None: |
| 190 | c = _make_commit(repo, "ignored", fake_id("snap"), "msg") |
| 191 | (repo / ".muse" / "refs" / "heads" / "main").write_text(c.commit_id) |
| 192 | assert _resolve_branch_commit_id(repo, "main") == c.commit_id |
| 193 | |
| 194 | def test_empty_local_branch_returns_none(self, repo: pathlib.Path) -> None: |
| 195 | assert _resolve_branch_commit_id(repo, "main") is None |
| 196 | |
| 197 | def test_remote_tracking_ref_resolved(self, repo: pathlib.Path) -> None: |
| 198 | remote_dir = repo / ".muse" / "remotes" / "origin" |
| 199 | remote_dir.mkdir(parents=True) |
| 200 | (remote_dir / "dev").write_text("a" * 64) |
| 201 | assert _resolve_branch_commit_id(repo, "origin/dev") == "a" * 64 |
| 202 | |
| 203 | def test_remote_tracking_ref_missing_returns_none(self, repo: pathlib.Path) -> None: |
| 204 | (repo / ".muse" / "remotes" / "origin").mkdir(parents=True) |
| 205 | assert _resolve_branch_commit_id(repo, "origin/nonexistent") is None |
| 206 | |
| 207 | def test_remote_tracking_ref_no_remotes_dir_returns_none(self, repo: pathlib.Path) -> None: |
| 208 | assert _resolve_branch_commit_id(repo, "origin/dev") is None |
| 209 | |
| 210 | def test_ref_without_slash_only_checks_local(self, repo: pathlib.Path) -> None: |
| 211 | # "dev" has no slash — never checks .muse/remotes/ |
| 212 | assert _resolve_branch_commit_id(repo, "dev") is None |
| 213 | |
| 214 | def test_local_branch_takes_priority_over_remote(self, repo: pathlib.Path) -> None: |
| 215 | local_id = "b" * 64 |
| 216 | remote_id = "c" * 64 |
| 217 | # Both a local branch named "origin/dev" (pathological) and a remote ref exist. |
| 218 | feat_dir = repo / ".muse" / "refs" / "heads" / "origin" |
| 219 | feat_dir.mkdir(parents=True) |
| 220 | (feat_dir / "dev").write_text(local_id) |
| 221 | remote_dir = repo / ".muse" / "remotes" / "origin" |
| 222 | remote_dir.mkdir(parents=True) |
| 223 | (remote_dir / "dev").write_text(remote_id) |
| 224 | # Local branch wins. |
| 225 | assert _resolve_branch_commit_id(repo, "origin/dev") == local_id |
| 226 | |
| 227 | |
| 228 | class TestGetCommitsForBranch: |
| 229 | def test_chain(self, repo: pathlib.Path) -> None: |
| 230 | root = _make_commit(repo, "ignored", fake_id("snap-root"), "Root") |
| 231 | child = _make_commit(repo, "ignored", fake_id("snap-child"), "Child", parent=root.commit_id) |
| 232 | grandchild = _make_commit(repo, "ignored", fake_id("snap-grandchild"), "Grandchild", parent=child.commit_id) |
| 233 | (repo / ".muse" / "refs" / "heads" / "main").write_text(grandchild.commit_id) |
| 234 | |
| 235 | commits = get_commits_for_branch(repo, "test-repo", "main") |
| 236 | assert [c.commit_id for c in commits] == [ |
| 237 | grandchild.commit_id, child.commit_id, root.commit_id |
| 238 | ] |
| 239 | |
| 240 | def test_empty_branch(self, repo: pathlib.Path) -> None: |
| 241 | assert get_commits_for_branch(repo, "test-repo", "main") == [] |
| 242 | |
| 243 | def test_remote_tracking_ref(self, repo: pathlib.Path) -> None: |
| 244 | """get_commits_for_branch resolves 'origin/dev' via .muse/remotes/.""" |
| 245 | c = _make_commit(repo, "ignored", fake_id("snap"), "Remote commit") |
| 246 | remote_dir = repo / ".muse" / "remotes" / "origin" |
| 247 | remote_dir.mkdir(parents=True) |
| 248 | (remote_dir / "dev").write_text(c.commit_id) |
| 249 | |
| 250 | commits = get_commits_for_branch(repo, "test-repo", "origin/dev") |
| 251 | assert len(commits) == 1 |
| 252 | assert commits[0].commit_id == c.commit_id |
| 253 | |
| 254 | def test_remote_tracking_ref_chain(self, repo: pathlib.Path) -> None: |
| 255 | root = _make_commit(repo, "ignored", fake_id("snap-root"), "Root") |
| 256 | tip = _make_commit(repo, "ignored", fake_id("snap-tip"), "Tip", parent=root.commit_id) |
| 257 | remote_dir = repo / ".muse" / "remotes" / "upstream" |
| 258 | remote_dir.mkdir(parents=True) |
| 259 | (remote_dir / "main").write_text(tip.commit_id) |
| 260 | |
| 261 | commits = get_commits_for_branch(repo, "test-repo", "upstream/main") |
| 262 | assert [c.commit_id for c in commits] == [tip.commit_id, root.commit_id] |
| 263 | |
| 264 | def test_remote_tracking_ref_missing_returns_empty(self, repo: pathlib.Path) -> None: |
| 265 | assert get_commits_for_branch(repo, "test-repo", "origin/dev") == [] |
| 266 | |
| 267 | def test_max_count_with_remote_ref(self, repo: pathlib.Path) -> None: |
| 268 | commits_written = [_make_commit(repo, "ignored", fake_id(f"snap-s{i}"), f"Commit {i}") for i in range(5)] |
| 269 | for i in range(1, 5): |
| 270 | commits_written[i] = _make_commit( |
| 271 | repo, "ignored", fake_id(f"snap-t{i}"), f"C{i}", parent=commits_written[i - 1].commit_id |
| 272 | ) |
| 273 | tip = _make_commit(repo, "ignored", fake_id("snap-tip"), "Tip", parent=commits_written[-1].commit_id) |
| 274 | remote_dir = repo / ".muse" / "remotes" / "origin" |
| 275 | remote_dir.mkdir(parents=True) |
| 276 | (remote_dir / "dev").write_text(tip.commit_id) |
| 277 | |
| 278 | commits = get_commits_for_branch(repo, "test-repo", "origin/dev", max_count=2) |
| 279 | assert len(commits) == 2 |
| 280 | assert commits[0].commit_id == tip.commit_id |
| 281 | |
| 282 | |
| 283 | class TestFindByPrefix: |
| 284 | def test_finds_match(self, repo: pathlib.Path) -> None: |
| 285 | c = _make_commit(repo, "ignored", fake_id("snap"), "msg") |
| 286 | hex_prefix = c.commit_id[len("sha256:"):len("sha256:") + 6] |
| 287 | results = find_commits_by_prefix(repo, hex_prefix) |
| 288 | assert len(results) == 1 |
| 289 | assert results[0].commit_id == c.commit_id |
| 290 | |
| 291 | def test_no_match(self, repo: pathlib.Path) -> None: |
| 292 | assert find_commits_by_prefix(repo, "zzz") == [] |
| 293 | |
| 294 | |
| 295 | class TestTags: |
| 296 | def test_write_and_read(self, repo: pathlib.Path) -> None: |
| 297 | c = _make_commit(repo, "ignored", fake_id("snap"), "msg") |
| 298 | repo_id = fake_id("test-repo") |
| 299 | write_tag(repo, TagRecord( |
| 300 | tag_id=fake_id("tag1"), |
| 301 | repo_id=repo_id, |
| 302 | commit_id=c.commit_id, |
| 303 | tag="emotion:joyful", |
| 304 | )) |
| 305 | tags = get_tags_for_commit(repo, repo_id, c.commit_id) |
| 306 | assert len(tags) == 1 |
| 307 | assert tags[0].tag == "emotion:joyful" |
| 308 | |
| 309 | def test_get_all_tags(self, repo: pathlib.Path) -> None: |
| 310 | c = _make_commit(repo, "ignored", fake_id("snap"), "msg") |
| 311 | repo_id = fake_id("test-repo") |
| 312 | write_tag(repo, TagRecord(tag_id=fake_id("t1"), repo_id=repo_id, commit_id=c.commit_id, tag="stage:rough-mix")) |
| 313 | write_tag(repo, TagRecord(tag_id=fake_id("t2"), repo_id=repo_id, commit_id=c.commit_id, tag="key:Am")) |
| 314 | all_tags = get_all_tags(repo, repo_id) |
| 315 | assert len(all_tags) == 2 |
File History
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sha256:b636f72dcba9e190afb980bece906fa5b717fbde014b76ef023df8cb96e01eb9
docs: expand cache plan with all seven testing tiers and do…
Sonnet 4.6
135 days ago
sha256:7f9e2ef5286aedad9c1e6011b4c46ca27f39dbdad6e3409357e36b26e46b3b7c
docs: docstring sprint for-each-ref→hotspots — idiomatic ru…
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