social-app/backend/tests/e2e/test_infra_health_e2e.py

from __future__ import annotations

import socket
import threading
import time

from playwright.sync_api import sync_playwright
import uvicorn

from app import app
from v1.infra.dependencies import get_redis_service


class _FakeService:
    def __init__(self) -> None:
        self._initialized = True

    @property
    def is_initialized(self) -> bool:
        return self._initialized

    async def initialize(self) -> bool:
        return True

    async def health_check(self) -> dict[str, object]:
        return {"status": "healthy", "details": {}}


def _find_free_port() -> int:
    with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as sock:
        sock.bind(("127.0.0.1", 0))
        return sock.getsockname()[1]


def _wait_for_port(host: str, port: int, timeout: float = 5.0) -> None:
    deadline = time.time() + timeout
    while time.time() < deadline:
        with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as sock:
            if sock.connect_ex((host, port)) == 0:
                return
        time.sleep(0.05)
    raise RuntimeError("Server did not start in time")


def _start_server(host: str, port: int):
    config = uvicorn.Config(app, host=host, port=port, log_level="info")
    server = uvicorn.Server(config)
    thread = threading.Thread(target=server.run, daemon=True)
    thread.start()
    _wait_for_port(host, port)
    return server, thread


def test_infra_health_e2e() -> None:
    app.dependency_overrides[get_redis_service] = lambda: _FakeService()

    host = "127.0.0.1"
    port = _find_free_port()
    server, thread = _start_server(host, port)

    try:
        with sync_playwright() as playwright:
            request_context = playwright.request.new_context(
                base_url=f"http://{host}:{port}"
            )
            try:
                response = request_context.get("/api/v1/infra/health")
                assert response.status == 200
                body = response.json()
                assert body["status"] == "healthy"
                assert "redis" in body["services"]
            finally:
                request_context.dispose()
    finally:
        server.should_exit = True
        thread.join(timeout=5)
        app.dependency_overrides = {}