import pytest
from httpx import AsyncClient, ASGITransport

from app.main import app


class TestMainApp:
    """Tests for main app endpoints."""

    @pytest.fixture
    async def client(self):
        """Create test client."""
        transport = ASGITransport(app=app)
        async with AsyncClient(transport=transport, base_url="http://test") as ac:
            yield ac

    async def test_root_endpoint(self, client):
        """Test root endpoint returns app info."""
        response = await client.get("/")
        assert response.status_code == 200
        data = response.json()
        assert data["message"] == "KOL Insight API"
        assert data["version"] == "1.0.0"

    async def test_health_endpoint(self, client):
        """Test health check endpoint."""
        response = await client.get("/health")
        assert response.status_code == 200
        data = response.json()
        assert data["status"] == "healthy"