python unit test

I am using pytest
https://docs.pytest.org/en/latest/

python -m pytest
py.test -v
py.test -s # which allows print

Be careful of the arguments sequence, it is reverting the sequence of the @mock.

@mock is python out-of-box feature.
https://docs.python.org/3/library/unittest.mock.html

mock.return_value is to set the return value when the mock method is called.

assert_called
assert_called_once
assert_called_with
assert_called_with_once
assert_any_call

side_effect to raise exception

For unit test coverage, run this command

the coverage report is under the folder htmlcov.
http://www.robinandeer.com/blog/2016/06/22/how-i-test-my-code-part-3/
https://pypi.python.org/pypi/pytest-cov

To find the unused code, run "vulture targetFile or dir"

To run the pytest in eclipse