How To Install python-doublex on Ubuntu 18.04

In this tutorial we learn how to install python-doublex on Ubuntu 18.04. python-doublex is test doubles framework for Python 2

Introduction

In this tutorial we learn how to install python-doublex on Ubuntu 18.04.

What is python-doublex

python-doublex is:

doublex is a test doubles framework for the Python unittest module. It may be used as a effective tool to perform Test Driven Development.

It provides stubs, spies, proxy-spies, mocks, individual methods, properties, etc. Methods support observer attachment or delegate return value generation to iterables, generators or even third party functions. A special double factory (called Mimic) allows one to create doubles inheriting original class superclasses. This provides replacements for the original instances even for code performing explicit type checking.

doublex supersedes pyDoubles and it provides its legacy API as a wrapper.

There are three methods to install python-doublex on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install python-doublex Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install python-doublex using apt-get by running the following command:

sudo apt-get -y install python-doublex

Install python-doublex Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install python-doublex using apt by running the following command:

sudo apt -y install python-doublex

Install python-doublex Using aptitude

If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install python-doublex using aptitude by running the following command:

sudo aptitude -y install python-doublex

How To Uninstall python-doublex on Ubuntu 18.04

To uninstall only the python-doublex package we can use the following command:

sudo apt-get remove python-doublex

Uninstall python-doublex And Its Dependencies

To uninstall python-doublex and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:

sudo apt-get -y autoremove python-doublex

Remove python-doublex Configurations and Data

To remove python-doublex configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge python-doublex

Remove python-doublex configuration, data, and all of its dependencies

We can use the following command to remove python-doublex configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge python-doublex

References

Summary

In this tutorial we learn how to install python-doublex package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.