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Generator allows stupid errors
Reported by Jonas Nielsen | June 26th, 2010 @ 09:17 AM
The generators allows for stupid errors like:
$ rails g nifty:scaffold title:string content:text rating:integer
user_id:integer
I was distracted while writing this, and didn't realize that I forgot to name the scaffold. The generator did not have any problems with this:
create app/models/title:string.rb
create test/unit/title:string_test.rb
create test/fixtures/title:strings.yml
create db/migrate/20100626080439_create_title:strings.rb
create app/controllers/title:strings_controller.rb
create app/helpers/title:strings_helper.rb
create app/views/title:strings/index.html.erb
create app/views/title:strings/show.html.erb
create app/views/title:strings/new.html.erb
create app/views/title:strings/edit.html.erb
create app/views/title:strings/_form.html.erb
route resources :"title:strings"
create test/functional/title:strings_controller_test.rb
Unfortunately the typo error was harder to revert than I expected:
$ rails destroy scaffold title:string
/Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/actionpack-3.0.0.beta4/lib/action_dispatch/routing/route_set.rb:146:in
module_eval':
/Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/actionpack-3.0.0.beta4/lib/action_dispatch/routing/route_set.rb:147:
syntax error, unexpected ':', expecting ';' or '\n' (SyntaxError)
... def hash_for_title:strings_url(options = nil) ... ... ^
/Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/actionpack-3.0.0.beta4/lib/action_dispatch/routing/route_set.rb:149:
syntax error, unexpected keyword_end, expecting $end
end ...
^
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/actionpack-3.0.0.beta4/lib/action_dispatch/routing/route_set.rb:146:in `define_hash_access'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/actionpack-3.0.0.beta4/lib/action_dispatch/routing/route_set.rb:137:in `block in define_named_route_methods'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/actionpack-3.0.0.beta4/lib/action_dispatch/routing/route_set.rb:135:in `each'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/actionpack-3.0.0.beta4/lib/action_dispatch/routing/route_set.rb:135:in `define_named_route_methods'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/actionpack-3.0.0.beta4/lib/action_dispatch/routing/route_set.rb:86:in `add'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/actionpack-3.0.0.beta4/lib/action_dispatch/routing/route_set.rb:282:in `add_route'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/actionpack-3.0.0.beta4/lib/action_dispatch/routing/mapper.rb:212:in `match'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/actionpack-3.0.0.beta4/lib/action_dispatch/routing/mapper.rb:369:in `match'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/actionpack-3.0.0.beta4/lib/action_dispatch/routing/mapper.rb:741:in `match'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/actionpack-3.0.0.beta4/lib/action_dispatch/routing/mapper.rb:711:in `match'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/actionpack-3.0.0.beta4/lib/action_dispatch/routing/mapper.rb:287:in `map_method'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/actionpack-3.0.0.beta4/lib/action_dispatch/routing/mapper.rb:239:in `get'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/actionpack-3.0.0.beta4/lib/action_dispatch/routing/mapper.rb:612:in `block (4 levels) in resources'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/actionpack-3.0.0.beta4/lib/action_dispatch/routing/mapper.rb:329:in `scope'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/actionpack-3.0.0.beta4/lib/action_dispatch/routing/mapper.rb:611:in `block (3 levels) in resources'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/actionpack-3.0.0.beta4/lib/action_dispatch/routing/mapper.rb:814:in `with_scope_level'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/actionpack-3.0.0.beta4/lib/action_dispatch/routing/mapper.rb:610:in `block (2 levels) in resources'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/actionpack-3.0.0.beta4/lib/action_dispatch/routing/mapper.rb:814:in `with_scope_level'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/actionpack-3.0.0.beta4/lib/action_dispatch/routing/mapper.rb:607:in `block in resources'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/actionpack-3.0.0.beta4/lib/action_dispatch/routing/mapper.rb:329:in `scope'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/actionpack-3.0.0.beta4/lib/action_dispatch/routing/mapper.rb:606:in `resources'
from /Users/Jonas/RailsProjects/betterspeakers/config/routes.rb:2:in `block in <top (required)>'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/actionpack-3.0.0.beta4/lib/action_dispatch/routing/route_set.rb:213:in `instance_exec'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/actionpack-3.0.0.beta4/lib/action_dispatch/routing/route_set.rb:213:in `draw'
from /Users/Jonas/RailsProjects/betterspeakers/config/routes.rb:1:in `<top (required)>'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/activesupport-3.0.0.beta4/lib/active_support/dependencies.rb:208:in `load'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/activesupport-3.0.0.beta4/lib/active_support/dependencies.rb:208:in `block in load'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/activesupport-3.0.0.beta4/lib/active_support/dependencies.rb:198:in `block in load_dependency'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/activesupport-3.0.0.beta4/lib/active_support/dependencies.rb:554:in `new_constants_in'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/activesupport-3.0.0.beta4/lib/active_support/dependencies.rb:198:in `load_dependency'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/activesupport-3.0.0.beta4/lib/active_support/dependencies.rb:208:in `load'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/railties-3.0.0.beta4/lib/rails/application/routes_reloader.rb:29:in `block in reload!'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/railties-3.0.0.beta4/lib/rails/application/routes_reloader.rb:29:in `each'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/railties-3.0.0.beta4/lib/rails/application/routes_reloader.rb:29:in `reload!'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/railties-3.0.0.beta4/lib/rails/application/routes_reloader.rb:41:in `reload_if_changed'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/actionpack-3.0.0.beta4/lib/action_dispatch/railtie.rb:13:in `block (2 levels) in <class:Railtie>'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/activesupport-3.0.0.beta4/lib/active_support/callbacks.rb:418:in `_run_prepare_callbacks'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/activesupport-3.0.0.beta4/lib/active_support/callbacks.rb:88:in `run_callbacks'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/actionpack-3.0.0.beta4/lib/action_dispatch/middleware/callbacks.rb:40:in `initialize'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/actionpack-3.0.0.beta4/lib/action_dispatch/middleware/stack.rb:33:in `new'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/actionpack-3.0.0.beta4/lib/action_dispatch/middleware/stack.rb:33:in `build'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/actionpack-3.0.0.beta4/lib/action_dispatch/middleware/stack.rb:80:in `block in build'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/actionpack-3.0.0.beta4/lib/action_dispatch/middleware/stack.rb:80:in `each'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/actionpack-3.0.0.beta4/lib/action_dispatch/middleware/stack.rb:80:in `inject'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/actionpack-3.0.0.beta4/lib/action_dispatch/middleware/stack.rb:80:in `build'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/railties-3.0.0.beta4/lib/rails/application.rb:140:in `app'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/railties-3.0.0.beta4/lib/rails/application/finisher.rb:35:in `block in <module:Finisher>'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/railties-3.0.0.beta4/lib/rails/initializable.rb:25:in `instance_exec'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/railties-3.0.0.beta4/lib/rails/initializable.rb:25:in `run'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/railties-3.0.0.beta4/lib/rails/initializable.rb:55:in `block in run_initializers'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/railties-3.0.0.beta4/lib/rails/initializable.rb:54:in `each'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/railties-3.0.0.beta4/lib/rails/initializable.rb:54:in `run_initializers'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/railties-3.0.0.beta4/lib/rails/application.rb:119:in `initialize!'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/railties-3.0.0.beta4/lib/rails/application.rb:81:in `method_missing'
from /Users/Jonas/RailsProjects/betterspeakers/config/environment.rb:5:in `<top (required)>'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/railties-3.0.0.beta4/lib/rails/application.rb:94:in `require'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/railties-3.0.0.beta4/lib/rails/application.rb:94:in `require_environment!'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/railties-3.0.0.beta4/lib/rails/application.rb:81:in `method_missing'
from /Users/Jonas/.rvm/gems/ruby-1.9.1-p378/gems/railties-3.0.0.beta4/lib/rails/commands.rb:16:in `<top (required)>'
from script/rails:6:in `require'
from script/rails:6:in `<main>'
I'm no expert and the error is pretty dumb, but I'm sure other people eventually will do the same.
Oh, and I'm using Ryan's Nifty Generators http://github.com/ryanb/nifty-generators as well as psynix Rails 3 HAML Scaffold Generator http://github.com/mbleigh/haml-rails
Comments and changes to this ticket
-
Rob Zolkos October 14th, 2010 @ 03:04 PM
Rails built-in scaffold generator raieses an exception and won't run if using the same parameters as you tried with nifty_generators.
The rails framework shouldn't be responsible for catching errors on parameters to 3rd party generators.
I recommend adding this as an issue to Ryans github repo.
-
Rohit Arondekar October 14th, 2010 @ 03:12 PM
- State changed from “new” to “wontfix”
- Importance changed from “” to “Low”
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