scrubber test for mutant

gistfile1.txt

class EmailAddressScrubber

  DUMMY = '@yahoo.com' unless defined?(DUMMY)
  CANDIDATES = %w(TestingInferences.com CoordinationSystem.com DifficultConversation.com Undiscussible.com RelationshipEffectiveness.com Coordinated-Action.com OptimizeAlignment.com AlignmentOptimization.com) unless defined?(CANDIDATES)

  def scrub(address)
    x = address[1].ord % CANDIDATES.size
    collapse(address.sub(DUMMY, "@#{CANDIDATES[x]}"))
  end

  def collapse(out)
    out = out.sub('99@', '@').sub('001@', '@')
    out = out[2..-1] if out =~ /sp.@.*/
    out
  end
end

require 'spec_helper.rb'

describe 'EmailAddressScrubber' do

  let(:eas) { EmailAddressScrubber.new }

  describe '#scrub' do
    it 'should scrub an email address' do

      expect(eas.scrub('tim@yahoo.com')).to eq('tim@CoordinationSystem.com')
      expect(eas.scrub('spc@yahoo.com')).to eq('c@TestingInferences.com')
    end

    it 'should return same address if not yahoo.com' do
      old_address = 'tim@gmail.com'
      expect(eas.scrub(old_address)).to eq(old_address)
    end
  end

  describe '#collapse' do
    it 'should collapse properly' do
      $_ = ''
      expect(eas.collapse('----')).to eq('----')
      expect(eas.collapse('a99@xyz.com')).to eq('a@xyz.com')
      expect(eas.collapse('a001@xyz.com')).to eq('a@xyz.com')
      expect(eas.collapse('spx@xyz.com')).to eq('x@xyz.com')
    end
  end

end