spec/helpers/storage_helper_spec.rb


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require 'spec_helper'

describe StorageHelper do
  describe '#storage_counter' do
    it 'formats bytes to one decimal place' do
      expect(helper.storage_counter(1.23.megabytes)).to eq '1.2 MB'
    end

    it 'does not add decimals for sizes < 1 MB' do
      expect(helper.storage_counter(23.5.kilobytes)).to eq '24 KB'
    end

    it 'does not add decimals for zeroes' do
      expect(helper.storage_counter(2.megabytes)).to eq '2 MB'
    end

    it 'uses commas as thousands separator' do
      expect(helper.storage_counter(100_000_000_000_000_000)).to eq '90,949.5 TB'
    end
  end
end