Example of using python for RESTful data validation

tester.py

import requests
import logging
from datetime import datetime
from pathlib import Path

LOG_DIR = Path("./logs")
logger = logging.getLogger("py-api-data-validation")
logging.basicConfig(
    level=logging.INFO,
    filename=LOG_DIR /
    "{nm}_{dt}.log".format(
        nm=logger.name, dt=datetime.now().strftime("%Y-%m-%d")),
    filemode="a",
    format="%(asctime)s - %(levelname)s - %(name)s - %(message)s",
    datefmt="%Y-%m-%d %H:%M:%S",
)


def error(caller, err, msgs=[]):
    err_msg = f"{caller} - {type(err).__name__} - {err.args}"
    logger.error(err_msg)
    print(err_msg)
    if msgs and len(msgs) > 0:
        for m in msgs:
            _m = f"{caller} - {m}"
            logger.error(_m)
            print(_m)


def get(url):
    try:
        response = requests.get(url)

        if response.status_code != 200:
            response.raise_for_status()

        return response.json()
    except Exception as err:
        error("get", err, [{"url": url}])


def test_1():
    try:
        data = get("https://reqres.in/api/users/2")

        assert "data" in data, "data not found in response json"

        expected_keys = ["id", "email", "first_namee"]
        for ek in expected_keys:
            assert ek in data["data"], f"{ek} not found in data"

        return True
    except AssertionError as err:
        error("test_1 - assert", err)
        return False
    except Exception as err:
        error("test_1", err)
        return False



if __name__ == "__main__":
    print(f"test 1 pass: {test_1()}")