• To create a new virtual python env
  python3 -m venv [name of folder to put venv in]
  Standards are either .venv or venv for the folder name

• To activate your virtual env
  source [path to your venv]/bin/activate

• To test that your virtual env is active
  which python <- should return a path ending [path to your venv]/bin/python NOT /usr/bin/python

• To deactivate your virtual env
  deactivate

• To run tests
  python -m unittest test_example.py
• For more/better examples see > https://docs.python.org/3.7/library/unittest.html#command-line-interface

unittest - https://docs.python.org/3.7/library/unittest.html
unittest.mock - https://docs.python.org/3.7/library/unittest.mock.html