acceptance_spec.rb

require 'spec_helper'
require 'open3'

describe 'unnest' do
  it 'can unnest nested class definitions in a file' do
    example_input = <<-EOF
module A::B
  class C::D::E < F::G
    def initialize(foo)
      @foo = foo
    end
  end
end
EOF
    ENV['PATH'] = "./bin/:#{ENV['PATH']}"
    capture, status = Open3.capture2e('unnest', stdin_data: example_input)
    expected_output = <<-EOF
module A
  module B
    module C
      module D
        class E < F::G
          def initialize(foo)
            @foo = foo
          end
        end
      end
    end
  end
end
EOF
    expect(capture).to eq expected_output
  end
end