Task-C-CatalogDisplay
Activity 1
Add a date and time to the sidebar. It doesn’t have to update; just show the value at the time the page was displayed.
Hint: you can find the sidebar is in the application layout, inside the <div id="side"> element. You previously included the time in the hello page in the Instant Gratification chapter.
Activity 2
Experiment with setting various number_to_currency helper method options, and see the effect on your catalog listing.
Hint: you might find it helpful to consult the API documentation.
Activity 3
Write some functional tests for the product maintenance application using assert_select. The tests will need to be placed into the test/functional/products_controller_test.rb file.
Hint: you might find it helpful to consult the API documentation.