import queue
import subprocess
import threading

import pytest

from swarms.tools.prebuilt.code_interpreter import (  # Adjust the import according to your project structure
    SubprocessCodeInterpreter,
)


# Fixture for the SubprocessCodeInterpreter instance
@pytest.fixture
def interpreter():
    return SubprocessCodeInterpreter()


# Test for correct initialization
def test_initialization(interpreter):
    assert interpreter.start_cmd == ""
    assert interpreter.process is None
    assert not interpreter.debug_mode
    assert isinstance(interpreter.output_queue, queue.Queue)
    assert isinstance(interpreter.done, threading.Event)


# Test for starting and terminating process
def test_start_and_terminate_process(interpreter):
    interpreter.start_cmd = "echo Hello"
    interpreter.start_process()
    assert isinstance(interpreter.process, subprocess.Popen)
    interpreter.terminate()
    assert (
        interpreter.process.poll() is not None
    )  # Process should be terminated


# Test preprocess_code method
def test_preprocess_code(interpreter):
    code = "print('Hello, World!')"
    processed_code = interpreter.preprocess_code(code)
    # Add assertions based on expected behavior of preprocess_code
    assert processed_code == code  # Example assertion


# Test detect_active_line method
def test_detect_active_line(interpreter):
    line = "Some line of code"
    assert (
        interpreter.detect_active_line(line) is None
    )  # Adjust assertion based on implementation


# Test detect_end_of_execution method
def test_detect_end_of_execution(interpreter):
    line = "End of execution line"
    assert (
        interpreter.detect_end_of_execution(line) is None
    )  # Adjust assertion based on implementation


# Test line_postprocessor method
def test_line_postprocessor(interpreter):
    line = "Some output line"
    assert (
        interpreter.line_postprocessor(line) == line
    )  # Adjust assertion based on implementation


# Test handle_stream_output method
def test_handle_stream_output(interpreter, monkeypatch):
    # This requires more complex setup, including monkeypatching and simulating stream output
    # Example setup
    def mock_readline():
        yield "output line"
        yield ""

    monkeypatch.setattr("sys.stdout", mock_readline())
    # More test code needed here to simulate and assert the behavior of handle_stream_output
