Rspec: Expecting a Rake task to be called

This seems to be obvious, but you can expect Rake tasks to be called in RSpec.

it 'deletes all Users' do
   FactroyBot.create(:user)
   expect(Rake::Task['notify:critical_operation']).to receive(:invoke)
   
   expect { described_class.clean }.to change(User, :count).from(1).to(0) 
end

Note: Try to avoid logic in rake tasks and prefer to just call classes in them.

Example:

desc 'Some task'
task :some_task do
  SomeClass.new.run
end

Emanuel

makandra.com

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Last edit

331 days ago

Felix Eschey

License

Source code in this card is licensed under the MIT License.

Hide a Rake task from the `rake -T` list

A Rake task appears in rake -T if it has a description:

desc 'Compile assets'
task :compile do
  ...
end

To not list it, simply omit the description:

task :compile do
  ...
end

You can also hide a Rake task that has been defi...

Find Where a Rake Task is Defined

You can use rake --where task to find the source location that defines task:

bundle exec rake --where assets:precompile
rake assets:precompile              /home/henning/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/precompiled_assets-0....

Posted by Emanuel to makandra dev (2020-05-28 11:58)

Rspec: Expecting a Rake task to be called

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