Why routing maps URLs to actions in Ruby on Rails - Test Your Understanding

Practice - 5 Tasks

1fill in blank

easy

Complete the code to define a route that maps the URL '/home' to the 'index' action of the 'pages' controller.

Ruby on Rails

get '/home', to: '[1]'

Drag options to blanks, or click blank then click option'

Apages#index

Bpages#show

Chome#show

Dhome#index

Attempts:

3 left

💡 Hint

Common Mistakes

Using the wrong controller name.

Using the wrong action name.

Forgetting the '#' between controller and action.

The route maps '/home' to the 'index' action in the 'pages' controller using 'pages#index'.

2fill in blank

medium

Complete the code to create a route that maps a GET request for '/products/:id' to the 'show' action in the 'products' controller.

Ruby on Rails

get '/products/:id', to: '[1]'

Drag options to blanks, or click blank then click option'

Aproducts#edit

Bproducts#index

Cproducts#show

Ditems#show

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'index' instead of 'show' for a single item.

Using the wrong controller name.

Missing the '#' between controller and action.

The route maps a GET request with an ID parameter to the 'show' action of the 'products' controller.

3fill in blank

hard

Fix the error in the route that should map POST requests to '/users' to the 'create' action in the 'users' controller.

Ruby on Rails

post '/users', to: '[1]'

Drag options to blanks, or click blank then click option'

Ausers#new

Busers#create

Cusers#update

Duser#create

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'new' instead of 'create' for POST requests.

Using singular controller name 'user' instead of 'users'.

Using 'update' which is for PATCH/PUT requests.

POST requests to '/users' should map to the 'create' action in the 'users' controller, which is 'users#create'.

4fill in blank

hard

Fill both blanks to define a route that maps DELETE requests for '/articles/:id' to the 'destroy' action in the 'articles' controller.

Ruby on Rails

[1] '/articles/:id', to: '[2]'

Drag options to blanks, or click blank then click option'

Adelete

Bdestroy

Cremove

Darticles#destroy

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'remove' which is not a valid HTTP verb.

Using 'destroy' as the HTTP verb instead of the action.

Mixing up the controller and action in the route string.

The HTTP method is 'delete' and the route points to 'articles#destroy' to delete an article.

5fill in blank

hard

Fill all three blanks to define a route that maps PATCH requests for '/profiles/:id' to the 'update' action in the 'profiles' controller with a named route helper 'profile_update'.

Ruby on Rails

[1] '/profiles/:id', to: '[2]', as: '[3]'

Drag options to blanks, or click blank then click option'

Apatch

Bprofiles#update

Cprofile_update

Dput

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'put' instead of 'patch' for partial updates.

Using the wrong controller or action name.

Forgetting to add the named route helper.

The HTTP verb is 'patch', the route points to 'profiles#update', and the named route helper is 'profile_update'.