Howto Fix Bearer No Method Error in Rswag

The scenario is like this, trying to tell rswag to use bearer token in swagger file. The error is not clear and telling us nothing.

[1] pry(#<Class>)> 

An error occurred while loading ./spec/requests/api/articles_spec.rb.
Failure/Error: security [Bearer: []]

NoMethodError:
  undefined method `[]=' for nil:NilClass
# /usr/local/bundle/ruby/2.7.0/bundler/gems/rswag-c85fa3b37a18/rswag-specs/lib/rswag/specs/example_group_helpers.rb:22:in `block (2 levels) in <module:ExampleGroupHelpers>'
# ./spec/requests/api/articles_spec.rb:10:in `block (2 levels) in <top (required)>'
# /usr/local/bundle/ruby/2.7.0/bundler/gems/rswag-c85fa3b37a18/rswag-specs/lib/rswag/specs/example_group_helpers.rb:8:in `path'
# ./spec/requests/api/articles_spec.rb:9:in `block in <top (required)>'
# ./spec/requests/api/articles_spec.rb:3:in `<top (required)>'

An error occurred while loading ./spec/requests/api/articles_spec.rb.
Failure/Error: security [Bearer: []]

NoMethodError:
  undefined method `[]=' for nil:NilClass
# /usr/local/bundle/ruby/2.7.0/bundler/gems/rswag-c85fa3b37a18/rswag-specs/lib/rswag/specs/example_group_helpers.rb:22:in `block (2 levels) in <module:ExampleGroupHelpers>'
# ./spec/requests/api/articles_spec.rb:10:in `block (2 levels) in <top (required)>'
# /usr/local/bundle/ruby/2.7.0/bundler/gems/rswag-c85fa3b37a18/rswag-specs/lib/rswag/specs/example_group_helpers.rb:8:in `path'
# ./spec/requests/api/articles_spec.rb:9:in `block in <top (required)>'
# ./spec/requests/api/articles_spec.rb:3:in `<top (required)>'
Run options: include {:focus=>true}
Run options: include {:focus=>true}

The correct solution is to have Bearer: [] in the correct block - get, post and similar, not in path:

require 'swagger_helper'

RSpec.describe 'api/articles', type: :request do
  path '/api/articles' do
    get 'lists articles' do
      security [Bearer: []]
      consumes 'application/json'
      produces 'application/json'

      response(200, 'successful') do
        run_test! do
          expect(JSON.parse(response.body)).to match_array([
            {
              "title" => "myrtana.sk"
            }
          ])
        end
      end
    end
  end
end

Howto Fix Bearer No Method Error in Rswag

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