test_api.py

from multiprocessing import Process
import requests
import unittest
import uvicorn

class TestApiFromAutomatedClient(unittest.TestCase):
    def setUp(self) -> None:
        import uvicorn
        host = '127.0.0.1'
        port = 5000

        self.server_process = Process(
            target=uvicorn.run,
            args=('api:app', ),
            kwargs={'host': host, 'port': port, 'log_level': 'info'},
            daemon=True
        )
        self.uri = f'http://{host}:{port}/'
        self.server_process.start()

    def tearDown(self) -> None:
        self.server_process.terminate()

    def test_trivial_api_response(self):
        resp = requests.get(self.uri, )
        self.assertEqual(resp.status_code, 200)