spec/lib/gitlab/metrics/delta_spec.rb


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require 'spec_helper'

describe Gitlab::Metrics::Delta do
  let(:delta) { described_class.new }

  describe '#compared_with' do
    it 'returns the delta as a Numeric' do
      expect(delta.compared_with(5)).to eq(5)
    end

    it 'bases the delta on a previously used value' do
      expect(delta.compared_with(5)).to eq(5)
      expect(delta.compared_with(15)).to eq(10)
    end
  end
end