feat(ipc): implement cli_tool_bridge as BeforeTool hook

tests/test_cli_tool_bridge.py

@@ -0,0 +1,74 @@
+import unittest
+from unittest.mock import patch, MagicMock
+import io
+import json
+import sys
+import os
+
+# Add project root to sys.path
+sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__), "..")))
+
+# Import after path fix
+from scripts.cli_tool_bridge import main
+
+class TestCliToolBridge(unittest.TestCase):
+    def setUp(self):
+        self.tool_call = {
+            'tool_name': 'read_file',
+            'tool_input': {'path': 'test.txt'}
+        }
+
+    @patch('sys.stdin', new_callable=io.StringIO)
+    @patch('sys.stdout', new_callable=io.StringIO)
+    @patch('api_hook_client.ApiHookClient.request_confirmation')
+    def test_allow_decision(self, mock_request, mock_stdout, mock_stdin):
+        # 1. Mock stdin with a JSON string tool call
+        mock_stdin.write(json.dumps(self.tool_call))
+        mock_stdin.seek(0)
+
+        # 2. Mock ApiHookClient to return approved
+        mock_request.return_value = {'approved': True}
+
+        # Run main
+        main()
+
+        # 3. Capture stdout and assert allow
+        output = json.loads(mock_stdout.getvalue().strip())
+        self.assertEqual(output.get('decision'), 'allow')
+
+    @patch('sys.stdin', new_callable=io.StringIO)
+    @patch('sys.stdout', new_callable=io.StringIO)
+    @patch('api_hook_client.ApiHookClient.request_confirmation')
+    def test_deny_decision(self, mock_request, mock_stdout, mock_stdin):
+        # Mock stdin
+        mock_stdin.write(json.dumps(self.tool_call))
+        mock_stdin.seek(0)
+
+        # 4. Mock ApiHookClient to return denied
+        mock_request.return_value = {'approved': False}
+
+        main()
+
+        # Assert deny
+        output = json.loads(mock_stdout.getvalue().strip())
+        self.assertEqual(output.get('decision'), 'deny')
+
+    @patch('sys.stdin', new_callable=io.StringIO)
+    @patch('sys.stdout', new_callable=io.StringIO)
+    @patch('api_hook_client.ApiHookClient.request_confirmation')
+    def test_unreachable_hook_server(self, mock_request, mock_stdout, mock_stdin):
+        # Mock stdin
+        mock_stdin.write(json.dumps(self.tool_call))
+        mock_stdin.seek(0)
+
+        # 5. Test case where hook server is unreachable (exception)
+        mock_request.side_effect = Exception("Connection refused")
+
+        main()
+
+        # Assert deny on error
+        output = json.loads(mock_stdout.getvalue().strip())
+        self.assertEqual(output.get('decision'), 'deny')
+
+if __name__ == '__main__':
+    unittest.main()