def test_check_if_required_keys_present_with_missing_keys():
required_keys = {"patientName", "villageNumber", "patientSex", "dob"}
invalid_code = PatientValidation.check_if_required_keys_present(
patient_request_body, required_keys)
# invalid_code should return as a tuple that looks like:
# ({'HTTP 400': 'The request body key {dob} is required.'}, 400)
assert invalid_code[0]["HTTP 400"] is not None
assert invalid_code[1] == 400
def test_check_if_required_keys_present_with_all_keys():
required_keys = {"patientName", "villageNumber", "patientSex"}
valid = PatientValidation.check_if_required_keys_present(
patient_request_body, required_keys)
assert valid is None