In here we have following files:

• app.py - our api application we are testing
• crud.sqlite - our db used for testing
• test_api.py - our tests to test application api
• requirements.txt and .circleci is required so that CircleCI is run with tests on every commit

To run tests use following command line:

python3 -m unittest test_api

Pre-requesites for tests are python3 and these libraries:

pip3 install flask

pip3 install unittest

pip3 install flask_sqlalchemy

pip3 install flask_marshmallow

To generate sqlite db launch python interactive shell:

$ python3

Use following code afterwards:

>>> from app import db

>>> db.create_all()