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


@pytest.fixture
def cron_cog(bot):
    # Patch create_task to prevent background task creation
    with patch.object(bot.loop, 'create_task', return_value=MagicMock()):
        from cogs.cron import Cron
        cog = Cron(bot)
        yield cog


@pytest.mark.slow
@pytest.mark.asyncio
async def test_cron_job_execution(cron_cog):
    """Test cron job executes when due."""
    cog = cron_cog

    job = {
        "id": "test_job",
        "cron_expression": "* * * * *",
        "type": "message",
        "channel_id": 456,
        "active": True,
        "message": "Test",
    }
    cog.scheduled_tasks.append(job)

    # Mock the execute_task method
    with patch.object(cog, 'execute_task', new_callable=AsyncMock) as mock_exec:
        # Mock should_run_task to return True
        with patch.object(cog, 'should_run_task', return_value=True):
            # Test single iteration of schedule_checker logic
            for task in cog.scheduled_tasks:
                if task.get("active", True) and cog.should_run_task(task, None):
                    await cog.execute_task(task)
            mock_exec.assert_called_once_with(job)