How to get a list of available generators
in a Rails
application, including those from included gems like devise
? (Similar to rake -T
for a list of rake tasks
)
Rails Generate --no-test-framework is a flag that tells the generator not to create any tests for the newly-generated models, controllers, etc. When you're working on your own Rails applications, you don't need the flag — it's quite helpful for quickly stubbing out a test suite.
Ruby provides a script called Generator. This script can be used to generate many useful items in Rails.
To generate a fully working scaffold for a new object, including model, controller, views, assets, and tests, use the rails g scaffold command. Then you can run rake db:migrate to set up the database table. Then you can visit http://localhost:3000/widgets and you'll see a fully functional CRUD scaffold.
Application templates are simple Ruby files containing DSL for adding gems, initializers, etc. to your freshly created Rails project or an existing Rails project. After reading this guide, you will know: How to use templates to generate/customize Rails applications.
I got it. The command is
rails generate
Output is like this:
Usage: rails generate GENERATOR [args] [options] General options: -h, [--help] # Print generator's options and usage -p, [--pretend] # Run but do not make any changes -f, [--force] # Overwrite files that already exist -s, [--skip] # Skip files that already exist -q, [--quiet] # Suppress status output Please choose a generator below. Rails: assets controller generator helper inherited_resources_controller integration_test mailer migration model observer performance_test resource responders_controller scaffold scaffold_controller session_migration task ActiveRecord: active_record:devise active_record:migration active_record:model active_record:observer active_record:session_migration Coffee: coffee:assets Devise: devise devise:install devise:views
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