test_cmd_merge.py
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| 1 | """Comprehensive tests for ``muse merge``. |
| 2 | |
| 3 | Covers: |
| 4 | - E2E: merge fast-forward, merge with conflicts, --format json |
| 5 | - Integration: HEAD updated after merge, conflict state written |
| 6 | - Stress: merge with many files |
| 7 | """ |
| 8 | |
| 9 | from __future__ import annotations |
| 10 | |
| 11 | type _FileStore = dict[str, bytes] |
| 12 | |
| 13 | import datetime |
| 14 | import json |
| 15 | import pathlib |
| 16 | |
| 17 | import pytest |
| 18 | from tests.cli_test_helper import CliRunner |
| 19 | from muse.core.types import blob_id, fake_id |
| 20 | from muse.core.object_store import object_path |
| 21 | from muse.core.paths import heads_dir, muse_dir, ref_path |
| 22 | |
| 23 | cli = None # argparse migration — CliRunner ignores this arg |
| 24 | |
| 25 | runner = CliRunner() |
| 26 | |
| 27 | |
| 28 | # --------------------------------------------------------------------------- |
| 29 | # Shared helpers |
| 30 | # --------------------------------------------------------------------------- |
| 31 | |
| 32 | def _env(root: pathlib.Path) -> Manifest: |
| 33 | return {"MUSE_REPO_ROOT": str(root)} |
| 34 | |
| 35 | |
| 36 | def _init_repo(tmp_path: pathlib.Path) -> tuple[pathlib.Path, str]: |
| 37 | dot_muse = muse_dir(tmp_path) |
| 38 | dot_muse.mkdir() |
| 39 | repo_id = fake_id("repo") |
| 40 | (dot_muse / "repo.json").write_text(json.dumps({ |
| 41 | "repo_id": repo_id, |
| 42 | "domain": "code", |
| 43 | "default_branch": "main", |
| 44 | "created_at": "2025-01-01T00:00:00+00:00", |
| 45 | }), encoding="utf-8") |
| 46 | (dot_muse / "HEAD").write_text("ref: refs/heads/main", encoding="utf-8") |
| 47 | (dot_muse / "refs" / "heads").mkdir(parents=True) |
| 48 | (dot_muse / "snapshots").mkdir() |
| 49 | (dot_muse / "commits").mkdir() |
| 50 | (dot_muse / "objects").mkdir() |
| 51 | return tmp_path, repo_id |
| 52 | |
| 53 | |
| 54 | def _make_commit(root: pathlib.Path, repo_id: str, branch: str = "main", |
| 55 | message: str = "test", |
| 56 | manifest: Manifest | None = None) -> str: |
| 57 | from muse.core.commits import ( |
| 58 | CommitRecord, |
| 59 | write_commit, |
| 60 | ) |
| 61 | from muse.core.snapshots import ( |
| 62 | SnapshotRecord, |
| 63 | write_snapshot, |
| 64 | ) |
| 65 | from muse.core.ids import hash_snapshot, hash_commit |
| 66 | |
| 67 | ref_file = ref_path(root, branch) |
| 68 | parent_id = ref_file.read_text().strip() if ref_file.exists() else None |
| 69 | m = manifest or {} |
| 70 | snap_id = hash_snapshot(m) |
| 71 | committed_at = datetime.datetime.now(datetime.timezone.utc) |
| 72 | commit_id = hash_commit( parent_ids=[parent_id] if parent_id else [], |
| 73 | snapshot_id=snap_id, message=message, |
| 74 | committed_at_iso=committed_at.isoformat(), |
| 75 | ) |
| 76 | write_snapshot(root, SnapshotRecord(snapshot_id=snap_id, manifest=m)) |
| 77 | write_commit(root, CommitRecord( |
| 78 | commit_id=commit_id, branch=branch, |
| 79 | snapshot_id=snap_id, message=message, committed_at=committed_at, |
| 80 | parent_commit_id=parent_id, |
| 81 | )) |
| 82 | ref_file.parent.mkdir(parents=True, exist_ok=True) |
| 83 | ref_file.write_text(commit_id, encoding="utf-8") |
| 84 | return commit_id |
| 85 | |
| 86 | |
| 87 | def _write_object(root: pathlib.Path, content: bytes) -> str: |
| 88 | from muse.core.object_store import write_object |
| 89 | obj_id = blob_id(content) |
| 90 | write_object(root, obj_id, content) |
| 91 | return obj_id |
| 92 | |
| 93 | |
| 94 | # --------------------------------------------------------------------------- |
| 95 | # Parser flag tests |
| 96 | # --------------------------------------------------------------------------- |
| 97 | |
| 98 | class TestRegisterFlags: |
| 99 | def _parse(self, *args: str) -> "argparse.Namespace": |
| 100 | import argparse |
| 101 | from muse.cli.commands.merge import register |
| 102 | p = argparse.ArgumentParser() |
| 103 | sub = p.add_subparsers() |
| 104 | register(sub) |
| 105 | return p.parse_args(["merge", *args]) |
| 106 | |
| 107 | def test_default_json_out_is_false(self) -> None: |
| 108 | ns = self._parse("feature") |
| 109 | assert ns.json_out is False |
| 110 | |
| 111 | def test_json_flag_sets_json_out(self) -> None: |
| 112 | ns = self._parse("--json", "feature") |
| 113 | assert ns.json_out is True |
| 114 | |
| 115 | def test_j_shorthand_sets_json_out(self) -> None: |
| 116 | ns = self._parse("-j", "feature") |
| 117 | assert ns.json_out is True |
| 118 | |
| 119 | |
| 120 | # --------------------------------------------------------------------------- |
| 121 | # Tests |
| 122 | # --------------------------------------------------------------------------- |
| 123 | |
| 124 | class TestMergeCLI: |
| 125 | def test_merge_branch_into_main(self, tmp_path: pathlib.Path) -> None: |
| 126 | root, repo_id = _init_repo(tmp_path) |
| 127 | base_id = _make_commit(root, repo_id, branch="main", message="base") |
| 128 | (heads_dir(root) / "feature").write_text(base_id) |
| 129 | obj = _write_object(root, b"feature content") |
| 130 | _make_commit(root, repo_id, branch="feature", message="feature work", |
| 131 | manifest={"new_track.mid": obj}) |
| 132 | result = runner.invoke(cli, ["merge", "feature"], env=_env(root), catch_exceptions=False) |
| 133 | assert result.exit_code == 0 |
| 134 | |
| 135 | def test_merge_nonexistent_branch_fails(self, tmp_path: pathlib.Path) -> None: |
| 136 | root, repo_id = _init_repo(tmp_path) |
| 137 | _make_commit(root, repo_id) |
| 138 | result = runner.invoke(cli, ["merge", "does-not-exist"], env=_env(root)) |
| 139 | assert result.exit_code != 0 |
| 140 | |
| 141 | def test_merge_format_json(self, tmp_path: pathlib.Path) -> None: |
| 142 | root, repo_id = _init_repo(tmp_path) |
| 143 | base_id = _make_commit(root, repo_id, branch="main", message="base") |
| 144 | (heads_dir(root) / "feature").write_text(base_id) |
| 145 | _make_commit(root, repo_id, branch="feature", message="feat") |
| 146 | result = runner.invoke( |
| 147 | cli, ["merge", "--json", "feature"], env=_env(root), catch_exceptions=False |
| 148 | ) |
| 149 | assert result.exit_code == 0 |
| 150 | data = json.loads(result.output) |
| 151 | assert isinstance(data, dict) |
| 152 | |
| 153 | def test_merge_message_flag(self, tmp_path: pathlib.Path) -> None: |
| 154 | root, repo_id = _init_repo(tmp_path) |
| 155 | base_id = _make_commit(root, repo_id, branch="main", message="base") |
| 156 | (heads_dir(root) / "feature").write_text(base_id) |
| 157 | _make_commit(root, repo_id, branch="feature", message="feat") |
| 158 | result = runner.invoke( |
| 159 | cli, ["merge", "--message", "Merge feature", "feature"], |
| 160 | env=_env(root), catch_exceptions=False |
| 161 | ) |
| 162 | assert result.exit_code == 0 |
| 163 | |
| 164 | def test_merge_invalid_branch_name_rejected(self, tmp_path: pathlib.Path) -> None: |
| 165 | root, repo_id = _init_repo(tmp_path) |
| 166 | _make_commit(root, repo_id) |
| 167 | result = runner.invoke(cli, ["merge", "../traversal"], env=_env(root)) |
| 168 | assert result.exit_code != 0 |
| 169 | |
| 170 | def test_merge_output_sanitized(self, tmp_path: pathlib.Path) -> None: |
| 171 | root, repo_id = _init_repo(tmp_path) |
| 172 | base_id = _make_commit(root, repo_id, branch="main", message="base") |
| 173 | (heads_dir(root) / "feature").write_text(base_id) |
| 174 | _make_commit(root, repo_id, branch="feature", message="feat") |
| 175 | result = runner.invoke(cli, ["merge", "feature"], env=_env(root), catch_exceptions=False) |
| 176 | assert "\x1b" not in result.output |
| 177 | |
| 178 | |
| 179 | class TestMergeConflictWorkdir: |
| 180 | """Regression: non-conflicting additions from theirs must reach the |
| 181 | working tree even when a conflicted merge exits early. |
| 182 | |
| 183 | Bug: muse merge called ``raise SystemExit`` before ``_restore_from_manifest`` |
| 184 | when conflicts existed. Theirs-only file additions were computed but never |
| 185 | written to disk; ``muse checkout --theirs --all`` only resolved the |
| 186 | conflict_paths, so ``muse code add .`` missed the new files and the merge |
| 187 | commit was silently incomplete. |
| 188 | """ |
| 189 | |
| 190 | def _make_commit_with_files( |
| 191 | self, |
| 192 | root: pathlib.Path, |
| 193 | repo_id: str, |
| 194 | branch: str, |
| 195 | files: _FileStore, |
| 196 | parent_id: str | None = None, |
| 197 | message: str = "commit", |
| 198 | ) -> str: |
| 199 | manifest: Manifest = {} |
| 200 | for rel, content in files.items(): |
| 201 | oid = _write_object(root, content) |
| 202 | manifest[rel] = oid |
| 203 | dest = root / rel |
| 204 | dest.parent.mkdir(parents=True, exist_ok=True) |
| 205 | dest.write_bytes(content) |
| 206 | return _make_commit(root, repo_id, branch=branch, message=message, manifest=manifest) |
| 207 | |
| 208 | def test_theirs_only_additions_written_to_workdir_on_conflict( |
| 209 | self, tmp_path: pathlib.Path |
| 210 | ) -> None: |
| 211 | """Theirs-only new files must appear in the working tree after a |
| 212 | conflicted merge so that ``muse code add .`` captures them.""" |
| 213 | root, repo_id = _init_repo(tmp_path) |
| 214 | |
| 215 | # Base: one shared file that both sides will modify (guaranteeing conflict). |
| 216 | base_id = self._make_commit_with_files( |
| 217 | root, repo_id, "main", |
| 218 | {"shared.py": b"def foo(): pass\n"}, |
| 219 | message="base", |
| 220 | ) |
| 221 | |
| 222 | # Theirs: modifies shared.py AND adds two brand-new files. |
| 223 | (heads_dir(root) / "feature").write_text(base_id) |
| 224 | self._make_commit_with_files( |
| 225 | root, repo_id, "feature", |
| 226 | { |
| 227 | "shared.py": b"def foo(): return 'theirs'\n", |
| 228 | "new_security_test.py": b"# security test\n", |
| 229 | "new_perf_test.py": b"# perf test\n", |
| 230 | }, |
| 231 | message="feature: add tests + modify shared", |
| 232 | ) |
| 233 | |
| 234 | # Ours: also modifies shared.py (guaranteeing a conflict on that file). |
| 235 | (root / "shared.py").write_bytes(b"def foo(): return 'ours'\n") |
| 236 | _make_commit( |
| 237 | root, repo_id, "main", message="ours: modify shared", |
| 238 | manifest={"shared.py": _write_object(root, b"def foo(): return 'ours'\n")}, |
| 239 | ) |
| 240 | |
| 241 | result = runner.invoke(cli, ["merge", "feature"], env=_env(root)) |
| 242 | |
| 243 | # Merge must exit with a conflict status, not a clean merge. |
| 244 | assert result.exit_code != 0, "Expected conflict exit code" |
| 245 | assert "CONFLICT" in result.stderr or "conflict" in result.stderr.lower() |
| 246 | |
| 247 | # The fix: theirs-only additions MUST now exist in the working tree. |
| 248 | assert (root / "new_security_test.py").exists(), ( |
| 249 | "new_security_test.py (theirs-only addition) must be written to the " |
| 250 | "working tree even though a conflict was detected on shared.py" |
| 251 | ) |
| 252 | assert (root / "new_perf_test.py").exists(), ( |
| 253 | "new_perf_test.py (theirs-only addition) must be written to the " |
| 254 | "working tree even though a conflict was detected on shared.py" |
| 255 | ) |
| 256 | assert (root / "new_security_test.py").read_bytes() == b"# security test\n" |
| 257 | assert (root / "new_perf_test.py").read_bytes() == b"# perf test\n" |
| 258 | |
| 259 | def test_conflicting_file_gets_conflict_markers( |
| 260 | self, tmp_path: pathlib.Path |
| 261 | ) -> None: |
| 262 | """Conflicting files must contain Cohen Transform markers so the user |
| 263 | can see both sides and resolve manually.""" |
| 264 | root, repo_id = _init_repo(tmp_path) |
| 265 | |
| 266 | base_id = self._make_commit_with_files( |
| 267 | root, repo_id, "main", |
| 268 | {"shared.py": b"def foo(): pass\n"}, |
| 269 | message="base", |
| 270 | ) |
| 271 | |
| 272 | (heads_dir(root) / "feature").write_text(base_id) |
| 273 | self._make_commit_with_files( |
| 274 | root, repo_id, "feature", |
| 275 | { |
| 276 | "shared.py": b"def foo(): return 'theirs'\n", |
| 277 | "only_on_theirs.py": b"# new\n", |
| 278 | }, |
| 279 | message="feature", |
| 280 | ) |
| 281 | |
| 282 | ours_content = b"def foo(): return 'ours'\n" |
| 283 | (root / "shared.py").write_bytes(ours_content) |
| 284 | _make_commit( |
| 285 | root, repo_id, "main", message="ours", |
| 286 | manifest={"shared.py": _write_object(root, ours_content)}, |
| 287 | ) |
| 288 | |
| 289 | runner.invoke(cli, ["merge", "feature"], env=_env(root)) |
| 290 | |
| 291 | # Conflicting file must contain Cohen Transform markers. |
| 292 | content = (root / "shared.py").read_text(encoding="utf-8") |
| 293 | assert "<<<<<<<" in content, f"Expected conflict markers, got:\n{content}" |
| 294 | assert "return 'ours'" in content |
| 295 | assert "return 'theirs'" in content |
| 296 | |
| 297 | # Theirs-only addition must be present. |
| 298 | assert (root / "only_on_theirs.py").exists() |
| 299 | |
| 300 | |
| 301 | class TestMergeStress: |
| 302 | def test_merge_feature_with_many_files(self, tmp_path: pathlib.Path) -> None: |
| 303 | root, repo_id = _init_repo(tmp_path) |
| 304 | base_id = _make_commit(root, repo_id, branch="main", message="base") |
| 305 | (heads_dir(root) / "feature").write_text(base_id) |
| 306 | manifest = {f"track_{i:03d}.mid": _write_object(root, f"data {i}".encode()) |
| 307 | for i in range(30)} |
| 308 | _make_commit(root, repo_id, branch="feature", message="many files", manifest=manifest) |
| 309 | result = runner.invoke(cli, ["merge", "feature"], env=_env(root), catch_exceptions=False) |
| 310 | assert result.exit_code == 0 |
| 311 | |
| 312 | |
| 313 | # --------------------------------------------------------------------------- |
| 314 | # Bug: muse merge --abort must preserve staged files on disk |
| 315 | # |
| 316 | # apply_manifest(HEAD) deletes files not in the committed HEAD manifest. |
| 317 | # Staged-but-not-committed files are not in HEAD, so they get deleted. |
| 318 | # After abort, those files should still exist on disk (they are staged work). |
| 319 | # --------------------------------------------------------------------------- |
| 320 | |
| 321 | class TestMergeAbortPreservesStagedFiles: |
| 322 | |
| 323 | def test_abort_leaves_staged_new_file_on_disk(self, tmp_path: pathlib.Path) -> None: |
| 324 | """muse merge --abort must not delete a staged-but-uncommitted new file.""" |
| 325 | from tests.cli_test_helper import CliRunner |
| 326 | r = CliRunner() |
| 327 | env = {"MUSE_REPO_ROOT": str(tmp_path)} |
| 328 | |
| 329 | # Init repo via muse init so staging is wired up. |
| 330 | r.invoke(cli, ["init"], env=env, catch_exceptions=False) |
| 331 | |
| 332 | # First commit: base file. |
| 333 | (tmp_path / "base.py").write_text("base\n") |
| 334 | r.invoke(cli, ["code", "add", "base.py"], env=env, catch_exceptions=False) |
| 335 | r.invoke(cli, ["commit", "-m", "base"], env=env, catch_exceptions=False) |
| 336 | |
| 337 | # Create feature branch. |
| 338 | r.invoke(cli, ["checkout", "-b", "feature"], env=env, catch_exceptions=False) |
| 339 | (tmp_path / "feature.py").write_text("feature\n") |
| 340 | r.invoke(cli, ["code", "add", "feature.py"], env=env, catch_exceptions=False) |
| 341 | r.invoke(cli, ["commit", "-m", "feature"], env=env, catch_exceptions=False) |
| 342 | |
| 343 | # Back to main, stage a new file (don't commit). |
| 344 | r.invoke(cli, ["checkout", "main"], env=env, catch_exceptions=False) |
| 345 | staged_file = tmp_path / "staged_work.py" |
| 346 | staged_file.write_text("my staged work\n") |
| 347 | r.invoke(cli, ["code", "add", "staged_work.py"], env=env, catch_exceptions=False) |
| 348 | assert staged_file.exists() |
| 349 | |
| 350 | # Trigger a merge that conflicts (feature changed base.py, main also will). |
| 351 | # Simplest: just start and abort immediately. |
| 352 | r.invoke(cli, ["merge", "--force", "feature"], env=env) |
| 353 | |
| 354 | # Abort the merge. |
| 355 | r.invoke(cli, ["merge", "--abort"], env=env, catch_exceptions=False) |
| 356 | |
| 357 | # The staged file must still be on disk. |
| 358 | assert staged_file.exists(), \ |
| 359 | "muse merge --abort deleted a staged-but-uncommitted file from disk" |
| 360 | assert staged_file.read_text() == "my staged work\n" |
| 361 | |
| 362 | def test_abort_leaves_staged_modification_on_disk(self, tmp_path: pathlib.Path) -> None: |
| 363 | """muse merge --abort must not revert a staged modification.""" |
| 364 | from tests.cli_test_helper import CliRunner |
| 365 | r = CliRunner() |
| 366 | env = {"MUSE_REPO_ROOT": str(tmp_path)} |
| 367 | |
| 368 | r.invoke(cli, ["init"], env=env, catch_exceptions=False) |
| 369 | (tmp_path / "work.py").write_text("v1\n") |
| 370 | r.invoke(cli, ["code", "add", "work.py"], env=env, catch_exceptions=False) |
| 371 | r.invoke(cli, ["commit", "-m", "base"], env=env, catch_exceptions=False) |
| 372 | |
| 373 | r.invoke(cli, ["checkout", "-b", "feature"], env=env, catch_exceptions=False) |
| 374 | (tmp_path / "other.py").write_text("other\n") |
| 375 | r.invoke(cli, ["code", "add", "other.py"], env=env, catch_exceptions=False) |
| 376 | r.invoke(cli, ["commit", "-m", "feature"], env=env, catch_exceptions=False) |
| 377 | |
| 378 | r.invoke(cli, ["checkout", "main"], env=env, catch_exceptions=False) |
| 379 | # Stage a modification to work.py. |
| 380 | (tmp_path / "work.py").write_text("v2\n") |
| 381 | r.invoke(cli, ["code", "add", "work.py"], env=env, catch_exceptions=False) |
| 382 | |
| 383 | r.invoke(cli, ["merge", "--force", "feature"], env=env) |
| 384 | r.invoke(cli, ["merge", "--abort"], env=env, catch_exceptions=False) |
| 385 | |
| 386 | # The staged version (v2) must be on disk, not the committed version (v1). |
| 387 | assert (tmp_path / "work.py").read_text() == "v2\n", \ |
| 388 | "muse merge --abort reverted a staged modification" |
| 389 | |
| 390 | |
| 391 | # --------------------------------------------------------------------------- |
| 392 | # Bug: one-sided changes must not produce false conflicts at CLI level |
| 393 | # |
| 394 | # Scenario: our branch doesn't touch file A; theirs changes file A. |
| 395 | # merge must complete cleanly — no conflicts, file A takes theirs' version. |
| 396 | # --------------------------------------------------------------------------- |
| 397 | |
| 398 | class TestOneSidedChangeNeverConflicts: |
| 399 | |
| 400 | def test_theirs_only_changes_file_clean_merge(self, tmp_path: pathlib.Path) -> None: |
| 401 | root, repo_id = _init_repo(tmp_path) |
| 402 | # base: two files |
| 403 | base_id = _make_commit(root, repo_id, branch="main", message="base", manifest={ |
| 404 | "describe.py": _write_object(root, b"old describe\n"), |
| 405 | "pyproject.toml": _write_object(root, b"version = 1\n"), |
| 406 | }) |
| 407 | # feature branch: only changes describe.py and pyproject.toml |
| 408 | (heads_dir(root) / "feature").write_text(base_id) |
| 409 | _make_commit(root, repo_id, branch="feature", message="fix", manifest={ |
| 410 | "describe.py": _write_object(root, b"fixed describe\n"), |
| 411 | "pyproject.toml": _write_object(root, b"version = 2\n"), |
| 412 | }) |
| 413 | # ours (main) makes an unrelated commit without touching those files |
| 414 | _make_commit(root, repo_id, branch="main", message="our unrelated work", manifest={ |
| 415 | "describe.py": _write_object(root, b"old describe\n"), |
| 416 | "pyproject.toml": _write_object(root, b"version = 1\n"), |
| 417 | "new_file.py": _write_object(root, b"new\n"), |
| 418 | }) |
| 419 | result = runner.invoke( |
| 420 | cli, ["merge", "--force", "--json", "feature"], |
| 421 | env=_env(root), catch_exceptions=False |
| 422 | ) |
| 423 | assert result.exit_code == 0 |
| 424 | data = json.loads(result.output) |
| 425 | assert data["status"] in ("merged", "fast_forward") |
| 426 | assert data["conflicts"] == [] |
| 427 | |
| 428 | def test_both_sides_change_different_files_clean_merge(self, tmp_path: pathlib.Path) -> None: |
| 429 | root, repo_id = _init_repo(tmp_path) |
| 430 | base_id = _make_commit(root, repo_id, branch="main", message="base", manifest={ |
| 431 | "a.py": _write_object(root, b"a\n"), |
| 432 | "b.py": _write_object(root, b"b\n"), |
| 433 | }) |
| 434 | (heads_dir(root) / "feature").write_text(base_id) |
| 435 | # feature: changes b.py only |
| 436 | _make_commit(root, repo_id, branch="feature", message="change b", manifest={ |
| 437 | "a.py": _write_object(root, b"a\n"), |
| 438 | "b.py": _write_object(root, b"b-theirs\n"), |
| 439 | }) |
| 440 | # main: changes a.py only |
| 441 | _make_commit(root, repo_id, branch="main", message="change a", manifest={ |
| 442 | "a.py": _write_object(root, b"a-ours\n"), |
| 443 | "b.py": _write_object(root, b"b\n"), |
| 444 | }) |
| 445 | result = runner.invoke( |
| 446 | cli, ["merge", "--force", "--json", "feature"], |
| 447 | env=_env(root), catch_exceptions=False |
| 448 | ) |
| 449 | assert result.exit_code == 0 |
| 450 | data = json.loads(result.output) |
| 451 | assert data["conflicts"] == [] |
| 452 | |
| 453 | |
| 454 | # --------------------------------------------------------------------------- |
| 455 | # Bug: muse commit completing a merge must produce a hash-verified commit |
| 456 | # |
| 457 | # After resolving conflicts and running `muse commit`, the resulting commit |
| 458 | # (with two parents) must pass write_commit's content-hash verification. |
| 459 | # Previously this raised ValueError with "incoming record failed hash |
| 460 | # verification", permanently blocking merge completion. |
| 461 | # --------------------------------------------------------------------------- |
| 462 | |
| 463 | class TestMergeCommitCompletion: |
| 464 | |
| 465 | def test_commit_after_conflict_resolution_passes_hash_verification( |
| 466 | self, tmp_path: pathlib.Path |
| 467 | ) -> None: |
| 468 | from muse.core.commits import read_commit |
| 469 | |
| 470 | root, repo_id = _init_repo(tmp_path) |
| 471 | base_id = _make_commit(root, repo_id, branch="main", message="base", manifest={ |
| 472 | "shared.py": _write_object(root, b"base\n"), |
| 473 | }) |
| 474 | (heads_dir(root) / "feature").write_text(base_id) |
| 475 | # feature: changes shared.py |
| 476 | _make_commit(root, repo_id, branch="feature", message="theirs", manifest={ |
| 477 | "shared.py": _write_object(root, b"theirs\n"), |
| 478 | }) |
| 479 | # main: also changes shared.py (true conflict) |
| 480 | _make_commit(root, repo_id, branch="main", message="ours", manifest={ |
| 481 | "shared.py": _write_object(root, b"ours\n"), |
| 482 | }) |
| 483 | (root / "shared.py").write_bytes(b"ours\n") |
| 484 | |
| 485 | # Trigger the merge — expect conflict |
| 486 | merge_result = runner.invoke( |
| 487 | cli, ["merge", "--force", "--json", "feature"], env=_env(root) |
| 488 | ) |
| 489 | data = json.loads(merge_result.output) |
| 490 | assert data["status"] == "conflict" |
| 491 | |
| 492 | # Resolve via checkout --theirs (updates merge state conflict list) |
| 493 | runner.invoke(cli, ["checkout", "--theirs", "shared.py"], env=_env(root), catch_exceptions=False) |
| 494 | runner.invoke(cli, ["code", "add", "shared.py"], env=_env(root), catch_exceptions=False) |
| 495 | |
| 496 | # Complete the merge |
| 497 | commit_result = runner.invoke( |
| 498 | cli, ["commit", "--json", "-m", "merge: resolve conflict"], |
| 499 | env=_env(root), catch_exceptions=False |
| 500 | ) |
| 501 | assert commit_result.exit_code == 0, f"commit failed: {commit_result.output}" |
| 502 | commit_data = json.loads(commit_result.output) |
| 503 | assert "commit_id" in commit_data |
| 504 | |
| 505 | # The commit must have two parents and pass hash verification |
| 506 | cid = commit_data["commit_id"] |
| 507 | rec = read_commit(root, cid) |
| 508 | assert rec is not None |
| 509 | assert rec.parent2_commit_id is not None, "merge commit must have two parents" |
| 510 | assert rec.commit_id == cid |