## tested complete 

import pytest
from ratehawk.monitoring.metrics import RateLimitMetrics

@pytest.fixture
def rate_limit_metrics():
    return RateLimitMetrics()

@pytest.mark.asyncio
async def test_track_request(rate_limit_metrics):
    key = "test_key"
    rate_limit_metrics.track_request(key, True)
    assert True  # Add appropriate assertions based on your metrics implementation

@pytest.mark.asyncio
async def test_update_usage(rate_limit_metrics):
    key = "test_key"
    rate_limit_metrics.update_usage(key, 5, 10)
    assert True  # Add appropriate assertions based on your metrics implementation

@pytest.mark.asyncio
async def test_track_exceeded(rate_limit_metrics):
    key = "test_key"
    rate_limit_metrics.track_exceeded(key)
    assert True  # Add appropriate assertions based on your metrics implementation

@pytest.mark.asyncio
async def test_start_timing(rate_limit_metrics):
    key = "test_key"
    rate_limit_metrics.start_timing(key)
    assert True  # Add appropriate assertions based on your metrics implementation

@pytest.mark.asyncio
async def test_stop_timing(rate_limit_metrics):
    key = "test_key"
    rate_limit_metrics.start_timing("test_key")
    rate_limit_metrics.stop_timing("test_key")
    assert True  # Add appropriate assertions based on your metrics implementation
