Files
AegisGitea-MCP/tests/test_audit.py
T
Latte b82e2866cb feat: new settings, CLI skeleton and interface skeletons
Adds the pydantic-settings Settings with validated GITEA_URL, OAuth scopes
and toolsets, the argparse CLI skeleton, catalog.model, identity and
GiteaAPIError. Test fixtures now isolate env, cwd and state paths in tmp.
2026-10-14 15:40:37 +02:00

81 lines
3.0 KiB
Python

"""Tests for tamper-evident audit logging."""
import json
from pathlib import Path
import pytest
from aegis_gitea_mcp.audit import AuditLogger, validate_audit_log_integrity
def test_audit_log_integrity_valid(tmp_path: Path, monkeypatch: pytest.MonkeyPatch) -> None:
"""Fresh audit log should validate with intact hash chain."""
monkeypatch.setenv("GITEA_URL", "https://gitea.example.com")
log_path = tmp_path / "audit.log"
logger = AuditLogger(log_path=log_path)
logger.log_tool_invocation("list_repositories", result_status="pending")
logger.log_tool_invocation("list_repositories", result_status="success")
logger.close()
valid, errors = validate_audit_log_integrity(log_path)
assert valid
assert errors == []
def test_audit_log_integrity_detects_tamper(
tmp_path: Path, monkeypatch: pytest.MonkeyPatch
) -> None:
"""Integrity validation should fail when entries are modified."""
monkeypatch.setenv("GITEA_URL", "https://gitea.example.com")
log_path = tmp_path / "audit.log"
logger = AuditLogger(log_path=log_path)
logger.log_tool_invocation("list_repositories", result_status="pending")
logger.log_tool_invocation("list_repositories", result_status="success")
logger.close()
lines = log_path.read_text(encoding="utf-8").splitlines()
first_entry = json.loads(lines[0])
first_entry["payload"]["tool_name"] = "tampered"
lines[0] = json.dumps(first_entry)
log_path.write_text("\n".join(lines) + "\n", encoding="utf-8")
valid, errors = validate_audit_log_integrity(log_path)
assert not valid
assert errors
def test_audit_logger_uses_configured_path(mock_env: None, tmp_path: Path) -> None:
"""Without an explicit path the logger writes to AUDIT_LOG_PATH (tmp in tests)."""
from aegis_gitea_mcp.audit import get_audit_logger
logger = get_audit_logger()
logger.log_access_denied("tool", reason="nope")
logger.log_security_event("evt", "description", metadata={"k": "v"})
assert logger.log_path == tmp_path / "data" / "audit.log"
assert len(logger.log_path.read_text(encoding="utf-8").splitlines()) == 2
valid, errors = validate_audit_log_integrity(logger.log_path)
assert valid, errors
def test_audit_masks_secrets_and_continues_chain(mock_env: None, tmp_path: Path) -> None:
"""Secrets are masked before persistence and a reopened log continues the chain."""
log_path = tmp_path / "chain.log"
first = AuditLogger(log_path=log_path)
first.log_tool_invocation("t", params={"note": "key AKIA1234567890ABCDEF"})
first.close()
second = AuditLogger(log_path=log_path)
second.log_tool_invocation("t", error="boom", result_status="error")
second.close()
text = log_path.read_text(encoding="utf-8")
assert "AKIA1234567890ABCDEF" not in text
valid, errors = validate_audit_log_integrity(log_path)
assert valid, errors
def test_validate_missing_log_is_valid(tmp_path: Path) -> None:
assert validate_audit_log_integrity(tmp_path / "absent.log") == (True, [])