# Copyright 2026 Cisco Systems, Inc. and its affiliates
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# SPDX-License-Identifier: Apache-2.0

"""Tests for base patcher utilities."""

import pytest
from unittest.mock import MagicMock, patch, AsyncMock
import sys


class TestSafeImport:
    """Test safe_import function."""

    def test_safe_import_existing_module(self):
        """Test importing an existing module."""
        from aidefense.runtime.agentsec.patchers._base import safe_import
        
        result = safe_import("json")
        
        assert result is not None
        assert hasattr(result, "dumps")

    def test_safe_import_nonexistent_module(self):
        """Test importing a nonexistent module returns None."""
        from aidefense.runtime.agentsec.patchers._base import safe_import
        
        result = safe_import("nonexistent_module_xyz")
        
        assert result is None
