How To Install ruby-spy on Ubuntu 18.04
Introduction
In this tutorial we learn how to install ruby-spy on Ubuntu 18.04.
What is ruby-spy
ruby-spy is:
Spy is a mocking library that was made for the modern age. It uses that uses the spy pattern and checks method’s existence and arity: Spy by default will raise an error if you attempt to stub a method that doesn’t exist or call the stubbed method with the wrong arity.
There are three methods to install ruby-spy 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 ruby-spy Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install ruby-spy using apt-get by running the following command:
sudo apt-get -y install ruby-spy
Install ruby-spy Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install ruby-spy using apt by running the following command:
sudo apt -y install ruby-spy
Install ruby-spy 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 ruby-spy using aptitude by running the following command:
sudo aptitude -y install ruby-spy
How To Uninstall ruby-spy on Ubuntu 18.04
To uninstall only the ruby-spy package we can use the following command:
sudo apt-get remove ruby-spy
Uninstall ruby-spy And Its Dependencies
To uninstall ruby-spy and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove ruby-spy
Remove ruby-spy Configurations and Data
To remove ruby-spy configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge ruby-spy
Remove ruby-spy configuration, data, and all of its dependencies
We can use the following command to remove ruby-spy configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge ruby-spy
References
Summary
In this tutorial we learn how to install ruby-spy package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
