Pytest Fixture for Flask #python

conftest.py

import pytest


@pytest.fixture(scope='session')
def api_client(api_environment):
    from YOURFLASKMODULE import app
    # switch on testing mode to propagate exceptions from within the app
    app.testing = True
    # this is needed when testing to allow url_for URL generation
    app.config['SERVER_NAME'] = 'localhost'
    # push the app context to allow tests to access the flask.current_app singleton
    ctx = app.app_context()
    ctx.push()
    yield app.test_client()
    ctx.pop()