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Routing issue with 'uncountable' resources
Reported by Jason Rudolph | June 18th, 2010 @ 11:46 AM
When you have an uncountable resource (e.g., fish, sheep), Rails is unable to generate a form for that resource. Given a simple form for that resource ...
<%= form_for(@sheep) do |f| %>
<% end %>
When Rails attempts to render the form, it yields the following error:
ActionView::Template::Error: No route matches {:action=>"destroy", :controller=>"sheep"}
I've tested and verified that this issue exists with Rails 3, Beta 4 and edge Rails as of June 18 (SHA a55d832).
The following commands will recreate the issue from scratch:
rails new farm
cd farm
./script/rails generate scaffold sheep name:string
rake db:migrate
rake test:functionals
The (summarized) output is as follows:
[farm] ./script/rails generate scaffold sheep name:string
Plural version of the model detected, using singularized version. Override with --force-plural.
invoke active_record
create db/migrate/20100618103202_create_sheep.rb
create app/models/sheep.rb
invoke test_unit
create test/unit/sheep_test.rb
create test/fixtures/sheep.yml
route resources :sheep
invoke scaffold_controller
create app/controllers/sheep_controller.rb
invoke erb
create app/views/sheep
create app/views/sheep/index.html.erb
...
[farm] rake db:migrate
...
[farm] rake test:functionals
(in /Users/jason/tmp/farm)
Loaded suite /Users/jason/.gem/ruby/1.8.7/gems/rake-0.8.7/lib/rake/rake_test_loader
Started
....E..
Finished in 0.090014 seconds.
1) Error:
test_should_get_new(SheepControllerTest):
ActionView::Template::Error: No route matches {:action=>"destroy", :controller=>"sheep"}
app/views/sheep/_form.html.erb:1
app/views/sheep/new.html.erb:3
app/controllers/sheep_controller.rb:29:in `new'
/test/functional/sheep_controller_test.rb:15:in `test_should_get_new'
7 tests, 9 assertions, 0 failures, 1 errors
rake aborted!
Command failed with status (1): [/Users/jason/.ruby_versions/ruby-enterpris...]
(See full trace by running task with --trace)
Comments and changes to this ticket
-
-
Christopher Redinger June 18th, 2010 @ 10:09 PM
Andrew,
It's a duplicate, but that ticket is closed. Jason's ticket lays out how to reproduce the error still, so either that ticket needs to be reopened, or this one needs to be handled for 3.0. -
Andrew White June 19th, 2010 @ 10:39 PM
Christoper, I've added a patch to #3930 - check it out and see if it fixes your problem.
-
Santiago Pastorino June 20th, 2010 @ 12:41 AM
- State changed from “new” to “duplicate”
-
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People watching this ticket
Andrew White
Christopher Redinger
Jason Rudolph
Jeremy Kemper
Referenced by
-
3930
Uncountable inflections lead to exception with Rails 3 scaffolding
Definitely still broken. Followed the steps laid out in #...