How do I create a rake task for a Rails engine which is not exposed to the host application?
-
07-06-2021 - |
Question
# lib/tasks/test.rake
task :hello do
puts 'hello'
end
$ rake app:hello
To run the task I need to prefix it with "app:" and it runs in the context of the dummy app. It is also exposed to the host application (i.e when used as a plugin in a parent Rails app) as rake hello
.
I want to run a rake task which does not require a Rails environment and runs some command, but it is run from the engine root, not the dummy app root.
Solution
I know that's a bit late, but for others here searching for the correct answer, do the following :
Create your task :
# lib/tasks/your_engine_tasks.rake
desc "Explaining what the task does"
task :your_task do
# Task goes here
end
Then go to your engine ./Rakefile and add
load 'lib/tasks/your_engine_tasks.rake'
Here we go, now:
$ rake -T
gives you your task.
Hope I helped.
OTHER TIPS
I want a better answer to this question however I did figure out that you can add tasks in the Rakefile for the engine (so ./Rakefile not in the spec/dummy application) like so:
task :my_task do
puts "hi!"
end
task :default => [:spec, :my_task]
I would prefer to have my task in another file but at least this provides a way to go forward. In my case, I want to run Konacha javascript tests in the dummy application so my Rakefile looks like this:
task :spec_javascript do
exec 'cd spec/dummy && rake konacha:run' # exec passes command return value up stack!
end
task :default => [:spec, :spec_javascript]