Install ruby-rails-dom-testing by entering the following commands in the terminal:
sudo apt update sudo apt install ruby-rails-dom-testing
Description:
SOM and Selector assertions for Rails applications
This package provides test assertions for dealing with HTML content. DOM trees can be tested using `assert_dom_equal` and `assert_dom_not_equal`, and HTML elements can be tested using `assert_select`, `assert_select_encoded`, `assert_select_email`, and selected with `css_select`.
Homepage: https://github.com/rails/rails-dom-testing
Version: 1.0.6-2
Section: universe/ruby