#Ruby runner rails code#
rails stats is great for looking at statistics on your code, displaying things like KLOCs (thousands of lines of code) and your code to test ratio.rails tmp:create creates tmp directories for cache, sockets, and pids.rails tmp:clear clears all cache, sockets, and screenshot files.
rails tmp:screenshots:clear clears tmp/screenshots.rails tmp:sockets:clear clears tmp/sockets.rails tmp:cache:clear clears tmp/cache.The tmp: namespaced commands will help you clear and create the Rails.root/tmp directory: The Rails.root/tmp directory is, like the *nix /tmp directory, the holding place for temporary files like process id files and cached actions. The commands available in the test: namespace helps in running the different tests you will hopefully write. Rails owes its stability to the use of tests. Rails comes with a test framework called minitest. erb.Ī good description of unit testing in Rails is given in A Guide to Testing Rails Applications You can refer to rails notes -help for information about usage.īy default, it will search in app, config, db, lib, and test directories for FIXME, OPTIMIZE, and TODO annotations in files with extension. Rails notes searches through your code for comments beginning with a specific keyword. More information about migrations can be found in the Migrations guide. rails db:version is useful when troubleshooting, telling you the current version of the database. The most common commands of the db: rails namespace are migrate and create, and it will pay off to try out all of the migration rails commands ( up, down, redo, reset). If you want to clear public/assets completely, you can use rails assets:clobber. The assets:clean command allows for rolling deploys that may still be linking to an old asset while the new assets are being built. You can precompile the assets in app/assets using rails assets:precompile, and remove older compiled assets using rails assets:clean. Middleware: Rack::Sendfile, ActionDispatch::Static, ActionDispatch::Executor, ActiveSupport::Cache::Strategy::LocalCache::Middleware, Rack::Runtime, Rack::MethodOverride, ActionDispatch::RequestId, ActionDispatch::RemoteIp, Sprockets::Rails::QuietAssets, Rails::Rack::Logger, ActionDispatch::ShowExceptions, WebConsole::Middleware, ActionDispatch::DebugExceptions, ActionDispatch::Reloader, ActionDispatch::Callbacks, ActiveRecord::Migration::CheckPending, ActionDispatch::Cookies, ActionDispatch::Session::CookieStore, ActionDispatch::Flash, Rack::Head, Rack::ConditionalGet, Rack::ETagĪpplication root /home/foobar/commandsapp We'll talk more about that command below. Which database? The SQLite3 database that Rails will create for you when we run the rails db:migrate command. The migration requires that we migrate, that is, run some Ruby code (living in that 20130717151933_create_high_scores.rb) to modify the schema of our database.
#Ruby runner rails generator#
The generator checks that there exist the directories for models, controllers, helpers, layouts, functional and unit tests, stylesheets, creates the views, controller, model and database migration for HighScore (creating the high_scores table and fields), takes care of the route for the resource, and new tests for everything.
$ rails generate scaffold HighScore game:string score:integerĬreate db/migrate/20190416145729_create_high_scores.rbĬreate app/controllers/high_scores_controller.rbĬreate app/views/high_scores/Ĭreate app/views/high_scores/Ĭreate app/views/high_scores/Ĭreate app/views/high_scores/Ĭreate app/views/high_scores/_Ĭreate test/controllers/high_scores_controller_test.rbĬreate app/views/high_scores/Ĭreate app/views/high_scores/Ĭreate app/views/high_scores/_high_Ĭreate app/assets/stylesheets/high_scores.scssĬreate app/assets/stylesheets/scaffolds.scss The first thing we'll want to do is create a new Rails application by running the rails new command after installing Rails. Let's create a simple Rails application to step through each of these commands in context. ĭb:structure:load Recreates the databases.
ĭb:structure:dump Dumps the database structure. ĭb:migrate:status Display status of migrationsĭb:schema:cache:clear Clears a db/schema_cache.yml fileĭb:schema:cache:dump Creates a db/schema_cache.yml fileĭb:schema:dump Creates a db/schema.rb file. ĭb:fixtures:load Loads fixtures into the. In addition to those commands, there are:Īssets:clean Remove old compiled assetsĪssets:environment Load asset compile environmentĪssets:precompile Compile all the assets. Server Start the Rails server (short-cut alias: "s")Īll commands can be run with -h (or -help) for more information. Generate Generate new code (short-cut alias: "g")Ĭonsole Start the Rails console (short-cut alias: "c")