test_cli_reset_revert.py
python
| 1 | """Tests for muse reset and muse revert.""" |
| 2 | from __future__ import annotations |
| 3 | |
| 4 | import pathlib |
| 5 | |
| 6 | import pytest |
| 7 | from typer.testing import CliRunner |
| 8 | |
| 9 | from muse.cli.app import cli |
| 10 | from muse.core.store import get_head_commit_id |
| 11 | |
| 12 | runner = CliRunner() |
| 13 | |
| 14 | |
| 15 | @pytest.fixture |
| 16 | def repo(tmp_path: pathlib.Path, monkeypatch: pytest.MonkeyPatch) -> pathlib.Path: |
| 17 | monkeypatch.chdir(tmp_path) |
| 18 | monkeypatch.setenv("MUSE_REPO_ROOT", str(tmp_path)) |
| 19 | result = runner.invoke(cli, ["init"]) |
| 20 | assert result.exit_code == 0, result.output |
| 21 | return tmp_path |
| 22 | |
| 23 | |
| 24 | def _write(repo: pathlib.Path, filename: str, content: str = "data") -> None: |
| 25 | (repo / "muse-work" / filename).write_text(content) |
| 26 | |
| 27 | |
| 28 | def _commit(msg: str = "initial") -> None: |
| 29 | result = runner.invoke(cli, ["commit", "-m", msg]) |
| 30 | assert result.exit_code == 0, result.output |
| 31 | |
| 32 | |
| 33 | def _head_id(repo: pathlib.Path) -> str | None: |
| 34 | return get_head_commit_id(repo, "main") |
| 35 | |
| 36 | |
| 37 | # --------------------------------------------------------------------------- |
| 38 | # reset |
| 39 | # --------------------------------------------------------------------------- |
| 40 | |
| 41 | |
| 42 | class TestResetSoft: |
| 43 | def test_moves_branch_pointer(self, repo: pathlib.Path) -> None: |
| 44 | _write(repo, "beat.mid", "v1") |
| 45 | _commit("first") |
| 46 | first_id = _head_id(repo) |
| 47 | |
| 48 | _write(repo, "beat.mid", "v2") |
| 49 | _commit("second") |
| 50 | assert _head_id(repo) != first_id |
| 51 | |
| 52 | result = runner.invoke(cli, ["reset", first_id]) |
| 53 | assert result.exit_code == 0, result.output |
| 54 | assert _head_id(repo) == first_id |
| 55 | |
| 56 | def test_soft_preserves_workdir(self, repo: pathlib.Path) -> None: |
| 57 | _write(repo, "beat.mid", "v1") |
| 58 | _commit("first") |
| 59 | first_id = _head_id(repo) |
| 60 | |
| 61 | _write(repo, "lead.mid", "new") |
| 62 | _commit("second") |
| 63 | |
| 64 | runner.invoke(cli, ["reset", first_id]) |
| 65 | # workdir still has lead.mid from second commit (soft = no restore) |
| 66 | assert (repo / "muse-work" / "lead.mid").exists() |
| 67 | |
| 68 | def test_soft_output_message(self, repo: pathlib.Path) -> None: |
| 69 | _write(repo, "beat.mid") |
| 70 | _commit("first") |
| 71 | first_id = _head_id(repo) |
| 72 | _write(repo, "lead.mid") |
| 73 | _commit("second") |
| 74 | |
| 75 | result = runner.invoke(cli, ["reset", first_id]) |
| 76 | assert "Moved" in result.output or first_id[:8] in result.output |
| 77 | |
| 78 | def test_reset_unknown_ref_errors(self, repo: pathlib.Path) -> None: |
| 79 | _write(repo, "beat.mid") |
| 80 | _commit("only") |
| 81 | result = runner.invoke(cli, ["reset", "deadbeef"]) |
| 82 | assert result.exit_code != 0 |
| 83 | assert "not found" in result.output.lower() or "deadbeef" in result.output |
| 84 | |
| 85 | |
| 86 | class TestResetHard: |
| 87 | def test_moves_branch_pointer(self, repo: pathlib.Path) -> None: |
| 88 | _write(repo, "beat.mid", "v1") |
| 89 | _commit("first") |
| 90 | first_id = _head_id(repo) |
| 91 | |
| 92 | _write(repo, "beat.mid", "v2") |
| 93 | _commit("second") |
| 94 | |
| 95 | result = runner.invoke(cli, ["reset", "--hard", first_id]) |
| 96 | assert result.exit_code == 0, result.output |
| 97 | assert _head_id(repo) == first_id |
| 98 | |
| 99 | def test_restores_workdir(self, repo: pathlib.Path) -> None: |
| 100 | _write(repo, "beat.mid", "v1") |
| 101 | _commit("first") |
| 102 | first_id = _head_id(repo) |
| 103 | |
| 104 | _write(repo, "lead.mid", "new") |
| 105 | _commit("second") |
| 106 | |
| 107 | runner.invoke(cli, ["reset", "--hard", first_id]) |
| 108 | # After hard reset, workdir should reflect first commit (no lead.mid) |
| 109 | assert not (repo / "muse-work" / "lead.mid").exists() |
| 110 | assert (repo / "muse-work" / "beat.mid").exists() |
| 111 | |
| 112 | def test_restores_file_content(self, repo: pathlib.Path) -> None: |
| 113 | _write(repo, "beat.mid", "original") |
| 114 | _commit("first") |
| 115 | first_id = _head_id(repo) |
| 116 | |
| 117 | _write(repo, "beat.mid", "modified") |
| 118 | _commit("second") |
| 119 | |
| 120 | runner.invoke(cli, ["reset", "--hard", first_id]) |
| 121 | assert (repo / "muse-work" / "beat.mid").read_text() == "original" |
| 122 | |
| 123 | def test_hard_output_shows_commit(self, repo: pathlib.Path) -> None: |
| 124 | _write(repo, "beat.mid") |
| 125 | _commit("the target") |
| 126 | first_id = _head_id(repo) |
| 127 | _write(repo, "lead.mid") |
| 128 | _commit("second") |
| 129 | |
| 130 | result = runner.invoke(cli, ["reset", "--hard", first_id]) |
| 131 | assert result.exit_code == 0 |
| 132 | assert "HEAD is now at" in result.output |
| 133 | |
| 134 | |
| 135 | # --------------------------------------------------------------------------- |
| 136 | # revert |
| 137 | # --------------------------------------------------------------------------- |
| 138 | |
| 139 | |
| 140 | class TestRevert: |
| 141 | def test_creates_new_commit(self, repo: pathlib.Path) -> None: |
| 142 | _write(repo, "beat.mid") |
| 143 | _commit("add beat") |
| 144 | before_id = _head_id(repo) |
| 145 | |
| 146 | _write(repo, "lead.mid") |
| 147 | _commit("add lead") |
| 148 | after_id = _head_id(repo) |
| 149 | |
| 150 | result = runner.invoke(cli, ["revert", after_id]) |
| 151 | assert result.exit_code == 0, result.output |
| 152 | new_id = _head_id(repo) |
| 153 | assert new_id not in (before_id, after_id) |
| 154 | |
| 155 | def test_revert_restores_parent_state(self, repo: pathlib.Path) -> None: |
| 156 | _write(repo, "beat.mid", "original") |
| 157 | _commit("first") |
| 158 | |
| 159 | _write(repo, "beat.mid", "changed") |
| 160 | _commit("second") |
| 161 | second_id = _head_id(repo) |
| 162 | |
| 163 | runner.invoke(cli, ["revert", second_id]) |
| 164 | assert (repo / "muse-work" / "beat.mid").read_text() == "original" |
| 165 | |
| 166 | def test_revert_default_message_includes_original(self, repo: pathlib.Path) -> None: |
| 167 | # Need a base commit first so "my change" is not the root |
| 168 | _write(repo, "base.mid", "base") |
| 169 | _commit("base") |
| 170 | |
| 171 | _write(repo, "beat.mid") |
| 172 | _commit("my change") |
| 173 | commit_id = _head_id(repo) |
| 174 | |
| 175 | _write(repo, "lead.mid") |
| 176 | _commit("third") |
| 177 | |
| 178 | result = runner.invoke(cli, ["revert", commit_id]) |
| 179 | assert result.exit_code == 0 |
| 180 | assert "my change" in result.output or "Revert" in result.output |
| 181 | |
| 182 | def test_revert_custom_message(self, repo: pathlib.Path) -> None: |
| 183 | _write(repo, "base.mid", "base") |
| 184 | _commit("base") |
| 185 | _write(repo, "beat.mid") |
| 186 | _commit("to revert") |
| 187 | commit_id = _head_id(repo) |
| 188 | _write(repo, "lead.mid") |
| 189 | _commit("third") |
| 190 | |
| 191 | result = runner.invoke(cli, ["revert", "-m", "undo that change", commit_id]) |
| 192 | assert result.exit_code == 0, result.output |
| 193 | assert "undo that change" in result.output |
| 194 | |
| 195 | def test_revert_no_commit_flag(self, repo: pathlib.Path) -> None: |
| 196 | _write(repo, "base.mid", "base") |
| 197 | _commit("base") |
| 198 | |
| 199 | _write(repo, "beat.mid") |
| 200 | _commit("second") |
| 201 | second_id = _head_id(repo) |
| 202 | |
| 203 | _write(repo, "lead.mid") |
| 204 | _commit("third") |
| 205 | |
| 206 | result = runner.invoke(cli, ["revert", "--no-commit", second_id]) |
| 207 | assert result.exit_code == 0, result.output |
| 208 | assert "muse-work" in result.output or "applied" in result.output.lower() |
| 209 | # HEAD should not have advanced |
| 210 | assert _head_id(repo) != second_id # third is still HEAD |
| 211 | |
| 212 | def test_revert_unknown_ref_errors(self, repo: pathlib.Path) -> None: |
| 213 | _write(repo, "beat.mid") |
| 214 | _commit("only") |
| 215 | result = runner.invoke(cli, ["revert", "deadbeef"]) |
| 216 | assert result.exit_code != 0 |
| 217 | |
| 218 | def test_revert_root_commit_errors(self, repo: pathlib.Path) -> None: |
| 219 | _write(repo, "beat.mid") |
| 220 | _commit("root") |
| 221 | root_id = _head_id(repo) |
| 222 | |
| 223 | result = runner.invoke(cli, ["revert", root_id]) |
| 224 | assert result.exit_code != 0 |
| 225 | assert "root" in result.output.lower() or "parent" in result.output.lower() |
| 226 | |
| 227 | def test_revert_removes_added_file(self, repo: pathlib.Path) -> None: |
| 228 | _write(repo, "beat.mid", "base") |
| 229 | _commit("base") |
| 230 | |
| 231 | _write(repo, "lead.mid", "added") |
| 232 | _commit("add lead") |
| 233 | lead_commit = _head_id(repo) |
| 234 | |
| 235 | runner.invoke(cli, ["revert", lead_commit]) |
| 236 | assert not (repo / "muse-work" / "lead.mid").exists() |