RSpec: how to test Rails logger message expectations?

Question

I am trying to test that the Rails logger receives messages in some of my specs. I am using the Logging gem.

Let\'s say that I have a class like this:

Answer 1

If you want to keep consistency in your tests, but setting the expectations at last you need to add in your setup:

setup do
 allow(Rails.logger).to receive(:info)
end
...

it 'should log an info message' do
 {code}

  expect(Rails.logger).to have_received(:info).with('Starting the worker...')
end