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require 'spec_helper'
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require Metasploit::Framework.root.join('tools/dev/msftidy.rb').to_path
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RSpec.describe RuboCopRunner do
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  # Metasploit globally sets `::Encoding.default_internal`, which
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  # breaks reading Rubocop's ability to load its default config file
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  # as UTF-8.
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  #
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  # Note that this is a test only issue, as msftidy runs in its own
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  # Ruby process and doesn't load Metasploit which causes this issue
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  def patch_io_read_encoding
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    original_read = IO.method(:read)
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    allow(IO).to receive(:read) do |absolute_path, **kwargs|
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      original_read.call(absolute_path, **kwargs.merge(encoding: ::Encoding.default_internal))
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    end
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  end
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  before(:each) do
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    patch_io_read_encoding
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  end
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  context 'with a tidy module' do
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    let(:file) { File.expand_path('modules/auxiliary/auxiliary_rubocopped.rb', FILE_FIXTURES_PATH) }
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    before(:each) do
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      allow(subject).to receive(:requires_rubocop?).and_return(true)
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      @stdout = get_stdout do
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        @status = subject.run(file)
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      end
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    end
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    it 'returns zero (no warnings or errors)' do
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      expect(@status).to be_zero
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    end
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    it 'contains no warnings' do
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      expect(@stdout).to match 'no offenses detected'
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    end
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  end
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  context 'with an untidy tidy module' do
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    let(:file) { File.expand_path('modules/exploits/existing_auto_target.rb', FILE_FIXTURES_PATH) }
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    before(:each) do
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      allow(subject).to receive(:requires_rubocop?).and_return(true)
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      @stdout = get_stdout do
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        @status = subject.run(file)
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      end
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    end
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    it 'returns zero (no warnings or errors)' do
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      expect(@status).to_not be_zero
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    end
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    it 'contains no warnings' do
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      expect(@stdout).to match 'Rubocop failed'
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    end
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  end
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  context 'with an untidy module that is marked as too old for requiring linting' do
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    let(:file) { File.expand_path('modules/exploits/existing_auto_target.rb', FILE_FIXTURES_PATH) }
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    before(:each) do
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      allow(subject).to receive(:requires_rubocop?).and_return(false)
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      @stdout = get_stdout do
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        @status = subject.run(file)
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      end
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    end
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    it 'returns zero (no warnings or errors)' do
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      expect(@status).to be_zero
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    end
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    it 'contains a status message' do
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      expect(@stdout).to match /Rubocop not required for older modules skipping/
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    end
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  end
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end
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