# file scalene/scalene_sigqueue.py:8-48
# lines [10, 11, 12, 13, 17, 21, 26, 27, 28, 32, 33, 36, 37, 43, 44, 45, 46, 47, 48]
# branches ['26->exit', '26->27', '32->exit', '32->33', '43->44', '45->46', '45->47']

import pytest
import threading
from typing import Optional, Any, Generic, TypeVar
from scalene.scalene_sigqueue import ScaleneSigQueue
import queue

T = TypeVar('T')

class TestScaleneSigQueue(Generic[T]):
    # Prevent pytest from considering this class as a test
    __test__ = False

    def test_scalene_sigqueue(self):
        # Define a process function that will be called by the queue
        def process_function(*args):
            assert args == (1, 2, 3), "The process function did not receive the expected arguments."

        # Create an instance of ScaleneSigQueue
        sigqueue = ScaleneSigQueue(process_function)

        # Start the queue processing
        sigqueue.start()
        assert sigqueue.thread is not None and sigqueue.thread.is_alive(), "The thread should be started and alive."

        # Put an item into the queue
        sigqueue.put((1, 2, 3))
        # Allow some time for the thread to process the item
        threading.Event().wait(0.1)

        # Stop the queue processing
        sigqueue.stop()
        assert sigqueue.thread is None, "The thread should be stopped and set to None."

        # Test get method
        sigqueue.put(None)
        item = sigqueue.get()
        assert item is None, "The get method should return None."

        # Test put method
        sigqueue.put((1, 2, 3))
        item = sigqueue.get()
        assert item == (1, 2, 3), "The put method should add the item to the queue."

        # Clean up
        sigqueue.stop()

@pytest.fixture(autouse=True)
def run_around_tests():
    # Before each test
    yield
    # After each test
    # No cleanup needed as the test_scalene_sigqueue function handles its own cleanup
