How To Install cmdtest on Ubuntu 20.04

In this tutorial we learn how to install cmdtest on Ubuntu 20.04. cmdtest is blackbox testing of Unix command line programs

Introduction

In this tutorial we learn how to install cmdtest on Ubuntu 20.04.

What is cmdtest

cmdtest is:

cmdtest black box tests Unix command line tools. Roughly, it is given a script, its input files, and its expected output files. cmdtest runs the script, and checks the output is as expected.

cmdtest is aimed specifically at testing non-interactive Unix command line programs, and tries to make that as easy as possible.

Also included is a “scenario testing” tool, yarn.

There are three methods to install cmdtest on Ubuntu 20.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install cmdtest Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install cmdtest

Install cmdtest Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install cmdtest using apt by running the following command:

sudo apt -y install cmdtest

Install cmdtest 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 cmdtest using aptitude by running the following command:

sudo aptitude -y install cmdtest

How To Uninstall cmdtest on Ubuntu 20.04

To uninstall only the cmdtest package we can use the following command:

sudo apt-get remove cmdtest

Uninstall cmdtest And Its Dependencies

To uninstall cmdtest and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:

sudo apt-get -y autoremove cmdtest

Remove cmdtest Configurations and Data

To remove cmdtest configuration and data from Ubuntu 20.04 we can use the following command:

sudo apt-get -y purge cmdtest

Remove cmdtest configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge cmdtest

References

Summary

In this tutorial we learn how to install cmdtest package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.