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pynguin 0.38.0

Pynguin
Pynguin (IPA: ˈpɪŋɡuiːn),
the
PYthoN
General
UnIt
test
geNerator,
is a tool that allows developers to generate unit tests automatically.
Testing software is often considered to be a tedious task.
Thus, automated generation techniques have been proposed and mature tools exist—for
statically typed languages, such as Java.
There is, however, no fully-automated tool available that produces unit tests for
general-purpose programs in a dynamically typed language.
Pynguin is, to the best of our knowledge, the first tool that fills this gap
and allows the automated generation of unit tests for Python programs.

Internal Pipeline Status

Attention
Please Note:
Pynguin executes the module under test!
As a consequence, depending on what code is in that module,
running Pynguin can cause serious harm to your computer,
for example, wipe your entire hard disk!
We recommend running Pynguin in an isolated environment;
use, for example, a Docker container to minimize the risk of damaging
your system.
Pynguin is only a research prototype!
It is not tailored towards production use whatsoever.
However, we would love to see Pynguin in a production-ready stage at some point;
please report your experiences in using Pynguin to us.
Prerequisites
Before you begin, ensure you have met the following requirements:

You have installed Python 3.10 (we have not yet tested with Python
3.11, there might be some problems due to changed internals regarding the byte-code
instrumentation).
Attention: Pynguin now requires Python 3.10! Older versions are no longer
supported!

You have a recent Linux/macOS/Windows machine.

Please consider reading the online documentation
to start your Pynguin adventure.
Installing Pynguin
Pynguin can be easily installed using the pip tool by typing:
pip install pynguin

Make sure that your version of pip is that of a supported Python version, as any
older version is not supported by Pynguin!
Using Pynguin
Before you continue, please read the quick start guide
Pynguin is a command-line application.
Once you installed it to a virtual environment, you can invoke the tool by typing
pynguin inside this virtual environment.
Pynguin will then print a list of its command-line parameters.
A minimal full command line to invoke Pynguin could be the following,
where we assume that a project foo is located in /tmp/foo,
we want to store Pynguin's generated tests in /tmp/testgen,
and we want to generate tests using a whole-suite approach for the module foo.bar
(wrapped for better readability):
pynguin \
--project-path /tmp/foo \
--output-path /tmp/testgen \
--module-name foo.bar

Please find a more detailed example in the quick start guide.
Contributing to Pynguin
For the development of Pynguin you will need the poetry
dependency management and packaging tool.
To start developing, follow these steps:

Clone the repository

Change to the pynguin folder: cd pynguin

Create a virtual environment and install dependencies using poetry: poetry install

Make your changes

Run make check to verify that your changes pass all checks
Please see the poetry documentation for more information on this tool.

Contributors
Pynguin is developed at the
Chair of Software Engineering II
of the University of Passau.
Maintainer: Stephan Lukasczyk
Contributors:

Juan Altmayer Pizzorno
Lucas Berg
Tucker Blue
Gordon Fraser
Abdur-Rahmaan Janhangeer
Maximilian Königseder
Florian Kroiß
Simon Labrenz
Roman Levin
Juan Julián Merelo Guervós
Lukas Steffens
Florian Straubinger
Sara Tavares

Development using PyCharm.
If you want to use the PyCharm IDE you have to set up a few things:

Import pynguin into PyCharm.
Let PyCharm configure configure a virtual environment using poetry.
Set the default test runner to pytest
Set the DocString format to Google

License
This project is licensed under the terms of the MIT License.
Pynguin was using the GNU Lesser General Public License (LGPL) until version 0.29.0,
its licence was changed with version 0.30.0.
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