chane335/permanence

1"""Tests for permanence.world.git — reversibility + isolation."""2from __future__ import annotations3 4import socket5import subprocess6from unittest.mock import patch7 8from permanence.world.git import MockGitRepo9 10 11def test_initial_commit_and_log_are_r1_r2():12    repo = MockGitRepo()13    res = repo.commit("add feature", {"src/main.py": b"print(1)"})14    assert res.ok and res.r_level == 215    log_res = repo.log()16    assert log_res.ok and log_res.r_level == 117 18 19def test_reset_hard_is_r3_via_reflog():20    repo = MockGitRepo()21    repo.commit("a", {"a": b"1"})22    repo.commit("b", {"a": b"1", "b": b"2"})23    res = repo.reset_hard(1)24    assert res.ok and res.r_level == 325    assert len(res.orphaned_commits) == 126 27 28def test_reset_hard_after_reflog_expired_is_r4():29    repo = MockGitRepo()30    repo.commit("a", {"a": b"1"})31    repo.commit("b", {"a": b"1", "b": b"2"})32    repo.reflog_expire_all()33    res = repo.reset_hard(1)34    assert res.ok and res.r_level == 435 36 37def test_branch_delete_with_reflog_is_r3():38    repo = MockGitRepo()39    repo.checkout_branch("feature", create=True)40    repo.commit("feature work", {"x": b"1"})41    repo.checkout_branch("main")42    res = repo.delete_branch("feature")43    assert res.ok and res.r_level == 344    assert len(res.orphaned_commits) == 145 46 47def test_push_is_r2_and_force_push_preserved_elsewhere_is_r4():48    repo = MockGitRepo()49    # Make two local commits then push normally50    repo.commit("a", {"a": b"1"})51    repo.commit("b", {"a": b"1", "b": b"2"})52    push = repo.push()53    assert push.ok and push.r_level == 254 55    # Now rewrite history locally (reset past the second commit)56    repo.reset_hard(1)57    # The previous commit b is preserved on someone else's clone (modeled)58    remote_tip = repo.remote_branches["main"]59    repo.other_clones_have_commits.add(remote_tip)60    res = repo.push_force()61    assert res.ok and res.r_level == 462 63 64def test_force_push_without_preservation_is_r5():65    repo = MockGitRepo()66    repo.commit("a", {"a": b"1"})67    repo.commit("b", {"a": b"1", "b": b"2"})68    repo.push()69    repo.reset_hard(1)  # Drop commit b locally70    # Nobody has b anywhere71    res = repo.push_force()72    assert res.ok and res.r_level == 573    assert len(res.orphaned_commits) >= 174 75 76def test_reflog_expire_all_with_orphans_is_r5():77    repo = MockGitRepo()78    repo.commit("a", {"a": b"1"})79    repo.commit("b", {"a": b"1", "b": b"2"})80    repo.reset_hard(1)  # b now only lives in reflog81    res = repo.reflog_expire_all()82    assert res.ok and res.r_level == 583 84 85def test_filter_branch_rewrites_history_r4():86    repo = MockGitRepo()87    repo.commit("add secrets", {"src/main.py": b"x", "secrets.env": b"KEY=abc"})88    repo.commit("more work", {"src/main.py": b"y", "secrets.env": b"KEY=abc"})89    res = repo.filter_branch_drop("secrets.env")90    assert res.ok and res.r_level == 491    # Every new commit's files should lack secrets.env92    tip = repo.branches["main"]93    assert "secrets.env" not in repo.commits[tip].files94 95 96def test_mock_git_never_shells_out_or_hits_network():97    """Same isolation guarantee as the mock FS."""98    with patch.object(subprocess, "run") as mock_run, patch.object(99        subprocess, "Popen"100    ) as mock_popen, patch.object(socket, "socket") as mock_sock:101        repo = MockGitRepo()102        repo.commit("x", {"a": b"1"})103        repo.checkout_branch("feat", create=True)104        repo.commit("y", {"a": b"2"})105        repo.checkout_branch("main")106        repo.delete_branch("feat")107        repo.push()108        repo.reset_hard(1)109        repo.push_force()110        assert mock_run.call_count == 0111        assert mock_popen.call_count == 0112        assert mock_sock.call_count == 0113