draper: rake commands fail if using rails 5

$ rake spec
rake aborted!
LoadError: cannot load such file -- rails/test_unit/sub_test_task
/home/vagrant/.rvm/gems/ruby-2.2.2@rails_5.0/gems/draper-2.1.0/lib/draper/tasks/test.rake:7:in `require'
/home/vagrant/.rvm/gems/ruby-2.2.2@rails_5.0/gems/draper-2.1.0/lib/draper/tasks/test.rake:7:in `<top (required)>'
/home/vagrant/.rvm/gems/ruby-2.2.2@rails_5.0/gems/draper-2.1.0/lib/draper/railtie.rb:67:in `load'
/home/vagrant/.rvm/gems/ruby-2.2.2@rails_5.0/gems/draper-2.1.0/lib/draper/railtie.rb:67:in `block (2 levels) in <class:Railtie>'
/home/vagrant/.rvm/gems/ruby-2.2.2@rails_5.0/gems/draper-2.1.0/lib/draper/railtie.rb:67:in `each'
/home/vagrant/.rvm/gems/ruby-2.2.2@rails_5.0/gems/draper-2.1.0/lib/draper/railtie.rb:67:in `block in <class:Railtie>'
/home/vagrant/.rvm/gems/ruby-2.2.2@rails_5.0/bundler/gems/rails-1022796ac075/railties/lib/rails/railtie.rb:237:in `instance_exec'
/home/vagrant/.rvm/gems/ruby-2.2.2@rails_5.0/bundler/gems/rails-1022796ac075/railties/lib/rails/railtie.rb:237:in `block in run_tasks_blocks'
/home/vagrant/.rvm/gems/ruby-2.2.2@rails_5.0/bundler/gems/rails-1022796ac075/railties/lib/rails/railtie.rb:245:in `each'
/home/vagrant/.rvm/gems/ruby-2.2.2@rails_5.0/bundler/gems/rails-1022796ac075/railties/lib/rails/railtie.rb:245:in `each_registered_block'
/home/vagrant/.rvm/gems/ruby-2.2.2@rails_5.0/bundler/gems/rails-1022796ac075/railties/lib/rails/railtie.rb:237:in `run_tasks_blocks'
/home/vagrant/.rvm/gems/ruby-2.2.2@rails_5.0/bundler/gems/rails-1022796ac075/railties/lib/rails/application.rb:442:in `block in run_tasks_blocks'
/home/vagrant/.rvm/gems/ruby-2.2.2@rails_5.0/bundler/gems/rails-1022796ac075/railties/lib/rails/engine/railties.rb:13:in `each'
/home/vagrant/.rvm/gems/ruby-2.2.2@rails_5.0/bundler/gems/rails-1022796ac075/railties/lib/rails/engine/railties.rb:13:in `each'
/home/vagrant/.rvm/gems/ruby-2.2.2@rails_5.0/bundler/gems/rails-1022796ac075/railties/lib/rails/application.rb:442:in `run_tasks_blocks'
/home/vagrant/.rvm/gems/ruby-2.2.2@rails_5.0/bundler/gems/rails-1022796ac075/railties/lib/rails/engine.rb:460:in `load_tasks'
/home/vagrant/test_app/rakefile:7:in `<top (required)>'
(See full trace by running task with --trace)

About this issue

Original URL
State: closed
Created 9 years ago
Reactions: 11
Comments: 30 (2 by maintainers)

Commits related to this issue

Setup test task in Rails 5 style This bug was causing all rake tasks to fail in Rails 5 when draper gem was present Fixes drapergem/draper#681 — committed to audionerd/draper by audionerd 9 years ago
Setup test task in Rails 5 style This bug was causing all rake tasks to fail in Rails 5 when draper gem was present Fixes https://github.com/drapergem/draper/issues/681 — committed to versify/draper by versify 8 years ago
fix dependency on rails/test_unit/sub_test_task Merge https://github.com/audionerd/draper/tree/rails5 to fix dependency on rails/test_unit/sub_test_task Fixes https://github.com/drapergem/draper/iss... — committed to bichinger/draper by jwidderich 8 years ago
Merge pull request #2 from bichinger/rails5-fix-test-dependency Fix dependency on rails/test_unit/sub_test_task (drapergem#681) — committed to Mehonoshin/draper by Mehonoshin 8 years ago

Most upvoted comments

Instead of using forked version of draper, you can do monkey patch like this:

# lib/rails/test_unit/sub_test_task.rb
class Rails::SubTestTask < Rake::TestTask
end

+18

chulkilee on May 18, 2016

For Rails 5 use: gem 'draper', "3.0.0.pre1"

Not a fork and not a monkey patch. Seems to be the “best” solution right now.

MatthiasRMS on Feb 3, 2017

My team is also receiving this error on various projects when attempting to move to Rails 5. Any progress on getting this fixed (without monkey patching)?

kyledecot on Sep 29, 2016

@mayank-istar - Try “gem ‘draper’, github: ‘audionerd/draper’, branch: ‘rails5’”

jasnow on Dec 24, 2015

In test.rake Draper requires rails/test_unit/sub_test_task, but Rails 5 does not have that file in railties/lib/rails/test_unit anymore.

It was removed by 3297909 (see also: 8017e6a).

audionerd on Oct 8, 2015

@asiniy do you mean https://github.com/MrEmelianenko/drape? It’s not developed for the last 5 months, how can anyone be sure it will be maintained in the future?

dmitry on Oct 11, 2016

How come this is tagged as Closed and Merged when it very clearly isn’t?

I’ve just created a new Rails 5 project and get this exact error.

JohnSmall on Sep 22, 2016

Guys, feel free to switch to the gem 'drape'. It’s a draper designed for rails 5.

asiniy on Oct 11, 2016

Could someone please open a PR?

seanlinsley on Jan 15, 2017

@ivanjolic95 : Did you try gem ‘draper’, github: ‘audionerd/draper’, branch: ‘rails5’ ?

jasnow on Mar 22, 2016