"""
Integration tests for channel metrics endpoint (/metrics).
"""

from __future__ import annotations

import pytest

pytestmark = [pytest.mark.asyncio, pytest.mark.integration]


async def test_metrics_returns_prometheus_format(test_client):
    response = await test_client.get("/metrics")
    if response.status_code == 503:
        pytest.skip("Channel gateway not initialized")
    assert response.status_code == 200, response.text
    assert "text/plain" in response.headers.get("content-type", "")
    body = response.text
    assert "# HELP" in body or "# TYPE" in body or body.strip() == ""


async def test_metrics_no_auth_required(test_client):
    response = await test_client.get("/metrics")
    if response.status_code == 503:
        pytest.skip("Channel gateway not initialized")
    assert response.status_code != 401, "metrics endpoint should not require auth"