Contents

require 'spec_helper'
require 'split/dashboard/helpers'

include Split::DashboardHelpers

describe Split::DashboardHelpers do
  describe 'confidence_level' do
    it 'should handle very small numbers' do
      expect(confidence_level(Complex(2e-18, -0.03))).to eq('Insufficient confidence')
    end

    it "should consider a z-score of 1.65 <= z < 1.96 as 90% confident" do
      expect(confidence_level(1.65)).to eq('90% confidence')
      expect(confidence_level(1.80)).to eq('90% confidence')
    end

    it "should consider a z-score of 1.96 <= z < 2.58 as 95% confident" do
      expect(confidence_level(1.96)).to eq('95% confidence')
      expect(confidence_level(2.00)).to eq('95% confidence')
    end

    it "should consider a z-score of z >= 2.58 as 99% confident" do
      expect(confidence_level(2.58)).to eq('99% confidence')
      expect(confidence_level(3.00)).to eq('99% confidence')
    end
  end
end

Version data entries

9 entries across 9 versions & 1 rubygems

Version	Path
split-1.3.2	spec/dashboard_helpers_spec.rb
split-1.3.1	spec/dashboard_helpers_spec.rb
split-1.3.0	spec/dashboard_helpers_spec.rb
split-1.2.1	spec/dashboard_helpers_spec.rb
split-1.2.0	spec/dashboard_helpers_spec.rb
split-1.1.0	spec/dashboard_helpers_spec.rb
split-1.0.0	spec/dashboard_helpers_spec.rb
split-0.8.0	spec/dashboard_helpers_spec.rb
split-0.7.3	spec/dashboard_helpers_spec.rb