diff options
Diffstat (limited to 'railties/guides/source/command_line.textile')
| -rw-r--r-- | railties/guides/source/command_line.textile | 32 |
1 files changed, 17 insertions, 15 deletions
diff --git a/railties/guides/source/command_line.textile b/railties/guides/source/command_line.textile index 1e570c9992..81d181fe02 100644 --- a/railties/guides/source/command_line.textile +++ b/railties/guides/source/command_line.textile @@ -81,7 +81,7 @@ The +rails generate+ command uses templates to create a whole lot of things. You <shell> $ rails generate -Usage: rails generate generator [options] [args] +Usage: rails generate generator [args] [options] ... ... @@ -105,7 +105,7 @@ INFO: All Rails console utilities have help text. As with most *nix utilities, y <shell> $ rails generate controller -Usage: rails generate controller ControllerName [options] +Usage: rails generate controller NAME [action action] [options] ... ... @@ -122,7 +122,7 @@ Example: Modules Example: rails generate controller 'admin/credit_card' suspend late_fee - Credit card admin controller with URLs /admin/credit_card/suspend. + Credit card admin controller with URLs like /admin/credit_card/suspend. Controller: app/controllers/admin/credit_card_controller.rb Views: app/views/admin/credit_card/debit.html.erb [...] Helper: app/helpers/admin/credit_card_helper.rb @@ -138,10 +138,13 @@ $ rails generate controller Greetings hello invoke erb create app/views/greetings create app/views/greetings/hello.html.erb - error rspec [not found] + invoke test_unit + create test/functional/greetings_controller_test.rb invoke helper create app/helpers/greetings_helper.rb - error rspec [not found] + invoke test_unit + create test/unit/helpers/greetings_helper_test.rb + </shell> What all did this generate? It made sure a bunch of directories were in our application, and created a controller file, a functional test file, a helper for the view, and a view file. @@ -153,7 +156,6 @@ class GreetingsController < ApplicationController def hello @message = "Hello, how are you today?" end - end </ruby> @@ -164,7 +166,7 @@ Then the view, to display our message (in +app/views/greetings/hello.html.erb+): <p><%= @message %></p> </html> -Deal. Go check it out in your browser. Fire up your server. Remember? +rails server+ at the root of your Rails application should do it. +Deal. Go check it out in your browser. Fire up your server using +rails server+. <shell> $ rails server @@ -181,7 +183,7 @@ Rails comes with a generator for data models too: <shell> $ rails generate model -Usage: rails generate model ModelName [field:type, field:type] +Usage: rails generate model NAME [field:type field:type] [options] ... @@ -223,7 +225,7 @@ $ rails generate scaffold HighScore game:string score:integer create app/controllers/high_scores_controller.rb create test/functional/high_scores_controller_test.rb create app/helpers/high_scores_helper.rb - route map.resources :high_scores + route resources :high_scores dependency model exists app/models/ exists test/unit/ @@ -284,7 +286,7 @@ Let's say you're creating a website for a client who wants a small accounting sy There is such a thing! The plugin we're installing is called +acts_as_paranoid+, and it lets models implement a +deleted_at+ column that gets set when you call destroy. Later, when calling find, the plugin will tack on a database check to filter out "deleted" things. <shell> -$ rails plugin install http://svn.techno-weenie.net/projects/plugins/acts_as_paranoid +$ rails plugin install https://github.com/technoweenie/acts_as_paranoid.git + ./CHANGELOG + ./MIT-LICENSE ... @@ -376,8 +378,8 @@ $ rails new . --git --database=postgresql add 'Rakefile' create README add 'README' - create app/controllers/application_controller_.rb -add 'app/controllers/application_controller_.rb' + create app/controllers/application_controller.rb +add 'app/controllers/application_controller.rb' create app/helpers/application_helper.rb ... create log/test.log @@ -449,7 +451,7 @@ The Rails generator by default looks in these places for available generators, w * Inside any plugin with a directory like "generators" or "rails_generators" * ~/.rails/generators * Inside any Gem you have installed with a name ending in "_generator" -* Inside *any* Gem installed with a "rails_generators" path, and a file ending in "_generator.rb" +* Inside any Gem installed with a "rails_generators" path, and a file ending in "_generator.rb" * Finally, the builtin Rails generators (controller, model, mailer, etc.) Let's try the fourth option (in our home directory), which will be easy to clean up later: @@ -576,13 +578,13 @@ You can list all the timezones Rails knows about with +rake time:zones:all+, whi h5. +tmp:+ Temporary files -The tmp directory is, like in the *nix /tmp directory, the holding place for temporary files like sessions (if you're using a file store for files), process id files, and cached actions. The +tmp:+ namespace tasks will help you clear them if you need to if they've become overgrown, or create them in case of an +rm -rf *+ gone awry. +The tmp directory is, like in the *nix /tmp directory, the holding place for temporary files like sessions (if you're using a file store for files), process id files, and cached actions. The +tmp:+ namespace tasks will help you clear them if you need to if they've become overgrown, or create them in case of deletions gone awry. h5. Miscellaneous Tasks +rake 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. - +rake secret+ will give you a psuedo-random key to use for your session secret. + +rake secret+ will give you a pseudo-random key to use for your session secret. +rake routes+ will list all of your defined routes, which is useful for tracking down routing problems in your app, or giving you a good overview of the URLs in an app you're trying to get familiar with. |