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

# Assuming the relevant classes and functions are in 'recursive_kernel.py'
# You might need to adjust the import path based on your project structure
from recursive_kernel import RecursiveKernel  # Replace with your actual module

class TestRecursiveKernel(unittest.TestCase):

    def setUp(self):
        # Mocking the kernel client and other dependencies
        self.mock_kernel_client = MagicMock()
        self.recursive_kernel = RecursiveKernel(kernel_client=self.mock_kernel_client)
        self.recursive_kernel.kernel = self.mock_kernel_client
        self.recursive_kernel.iopub_socket = MagicMock()
        self.recursive_kernel.shell = MagicMock()
        self.recursive_kernel.user_expressions = {}
        self.recursive_kernel.log = MagicMock()


    def test_execute_request_success(self):
        # Mock the kernel's execute method to simulate a successful execution
        self.mock_kernel_client.execute.return_value = {'status': 'ok', 'execution_count': 1}
        self.mock_kernel_client.get_iopub_msg.return_value = {'content':{'data': {'text/plain': "mocked output"}}}

        # Mock msg
        msg = {'content': {'code': 'print("Hello, world!")'}}

        # Call execute_request
        reply = self.recursive_kernel.execute_request(msg)

        # Assertions
        self.mock_kernel_client.execute.assert_called_once_with(msg['content']['code'], silent=False, store_history=True, user_expressions={}, allow_stdin=False)
        self.assertEqual(reply['content']['status'], 'ok')


    def test_execute_request_error(self):
       # Mock the kernel's execute method to simulate an error
        self.mock_kernel_client.execute.side_effect = Exception("Mocked error")

        # Mock msg
        msg = {'content': {'code': 'raise Exception("Test Exception")'}}

        # Call execute_request
        reply = self.recursive_kernel.execute_request(msg)

        # Assertions
        self.assertEqual(reply['content']['status'], 'error')
        self.assertIn('ename', reply['content'])
        self.assertIn('evalue', reply['content'])
        self.assertIn('traceback', reply['content'])


    def test_do_complete(self):
        # Mock the kernel's do_complete method
        self.mock_kernel_client.complete.return_value = {'status': 'ok', 'matches': ['test1', 'test2'], 'cursor_start': 0, 'cursor_end': 5}

        # Call do_complete
        reply = self.recursive_kernel.do_complete('test_code', 5)

        # Assertions
        self.mock_kernel_client.complete.assert_called_once_with('test_code', 5)
        self.assertEqual(reply['content']['status'], 'ok')
        self.assertEqual(reply['content']['matches'], ['test1', 'test2'])
        self.assertEqual(reply['content']['cursor_start'], 0)
        self.assertEqual(reply['content']['cursor_end'], 5)

    def test_do_shutdown(self):
        # Call do_shutdown
        reply = self.recursive_kernel.do_shutdown(False)

        # Assertions
        self.mock_kernel_client.shutdown.assert_called_once_with(False)
        self.assertEqual(reply['content']['status'], 'ok')
        self.assertEqual(reply['content']['restart'], False)

    def test_send_response(self):
        parent = {'header': {'msg_id': 'test_msg_id'}}
        content = {'data': 'test_data'}
        self.recursive_kernel.send_response(self.recursive_kernel.iopub_socket, 'display_data', content, parent=parent)
        self.recursive_kernel.iopub_socket.send.assert_called_once()

if __name__ == '__main__':
    unittest.main()