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init-tox

This repository aims to introduce the tox automation project standarizing testing in Python and how to work with such a complete automation CI system workflow.

Objective

Create a develop, build, test, and deploy workflow based on tox from scratch.

What is tox?

Is a generic "virtualenv" management and test command line tool you can use for:

  • checking environments and dependencies required
  • running your tests
  • acting as a frontend to continuos integration servers

Note: tox documentation

Getting started

On your python environment set the tox tool via pip install tox

Note: this repo used the 6.2.4 tox version

Config

$ tox --showconfig

Shows basically the objects (environments) in the configuration.

Also will show up what kind of variables you might set when configuring an environment.

For seeing verbosity

$ tox -vvvvvv

first 3vs are for tox and the rest for pip

Run commands as part of your toxrun to give you more information

Run tox programmatically and attach a debugger to the process (see tox developer faq)

If you dont set envlist it will run all environments by default. But you can specify which ones tox should run, listing them in that variable.

to see the environments declared, the default and the additional

$ tox -av

to recreate the environments inside .tox/

$ tox --recreate (tox -r (in short form))

You can use subsitutions like {envpython} to refer specific tox variables

setup.py

Describes how our python code should be packaged.

usedevelop

Install the current package in development mode with "setup.py develop" using symbolic links to the source folder not copying all the stuff

Activate

You may activate specific environments to work with them and to not run again tox (to recreate)

cuz maybe you prefer to install manually some packages

$ .tox/{environment_name}/scripts/bin/activate
$ pip install {package or module}
$ pip install -e . (for own packages set in the actual pwd)

Notes

[tox] -> basic top level section to specify whats globally available envlist -> key which environments the test will run

[testenv] -> basic section for specific commands -> list the commands you wanna use to test ur library/project and the dependencies that should be installed

// tox will manage to setup the environment and install all the dependencies listed to be added // inside .tox will be created the virtual environments tested when running tox.ini (tox)

Linting: Black

$ tox -e black