Tests new person can be added and asserts using Get API

people_test.py

def test_new_person_can_be_added():
    unique_last_name = create_new_person()

    # After user is created, we read all the users and then use list comprehension to find if the
    # created user is present in the response list
    peoples = requests.get(BASE_URI).json()
    is_new_user_created = search_created_user_in(peoples, unique_last_name)
    assert_that(is_new_user_created).is_not_empty()

def create_new_person():
    # Ensure a user with a unique last name is created everytime the test runs
    # Note: json.dumps() is used to convert python dict to json string
    unique_last_name = f'User {str(uuid4())}'
    payload = dumps({
        'fname': 'New',
        'lname': unique_last_name
    })

    # Setting default headers to show that the client accepts json
    # And will send json in the headers
    headers = {
        'Content-Type': 'application/json',
        'Accept': 'application/json'
    }

    # We use requests.post method with keyword params to make the request more readable
    response = requests.post(url=BASE_URI, data=payload, headers=headers)
    assert_that(response.status_code, description='Person not created').is_equal_to(requests.codes.no_content)
    return unique_last_name

def search_created_user_in(peoples, last_name):
    return [person for person in peoples if person['lname'] == last_name]