requests-mock-flask#
requests-mock-flask helps with testing Flask applications with responses or requests-mock.
Installation#
Requires Python 3.11+.
pip install requests-mock-flask
Usage example#
import flask
import requests
import responses
import requests_mock
from requests_mock_flask import add_flask_app_to_mock
app = flask.Flask("test_app")
@app.route('/')
def _() -> str:
return 'Hello, World!'
@responses.activate
def test_responses_decorator() -> None:
"""
It is possible to use the helper with a ``responses`` decorator.
"""
add_flask_app_to_mock(
mock_obj=responses,
flask_app=app,
base_url='http://www.example.com',
)
response = requests.get('http://www.example.com')
assert response.status_code == 200
assert response.text == 'Hello, World!'
def test_responses_context_manager() -> None:
"""
It is possible to use the helper with a ``responses`` context manager.
"""
with responses.RequestsMock(
assert_all_requests_are_fired=False,
) as resp_m:
add_flask_app_to_mock(
mock_obj=resp_m,
flask_app=app,
base_url='http://www.example.com',
)
response = requests.get('http://www.example.com')
assert response.status_code == 200
assert response.text == 'Hello, World!'
def test_requests_mock_context_manager() -> None:
"""
It is possible to use the helper with a ``requests_mock`` context
manager.
"""
with requests_mock.Mocker() as resp_m:
add_flask_app_to_mock(
mock_obj=resp_m,
flask_app=app,
base_url='http://www.example.com',
)
response = requests.get('http://www.example.com')
assert response.status_code == 200
assert response.text == 'Hello, World!'
def test_requests_mock_adapter() -> None:
"""
It is possible to use the helper with a ``requests_mock`` fixture.
"""
session = requests.Session()
adapter = requests_mock.Adapter()
session.mount('mock', adapter)
add_flask_app_to_mock(
mock_obj=adapter,
flask_app=app,
base_url='mock://www.example.com',
)
response = session.get('mock://www.example.com')
assert response.status_code == 200
assert response.text == 'Hello, World!'
Use cases#
Use the
requests
for testing applications.Create a test suite which can test a Flask application as well as a live web application, to make a verified fake.
Test a service which calls a Flask application that you have the source code for.