user_report_spec.rb

require 'rails_helper'

RSpec.describe UserReport do

  # Jun |    Aug    |  Sep
  #-----|--|--|--|--|--|--|--> time
  #   * | * *       |
  #
  # Short periods - weeks
  # Stars - timelogs
  describe "#to_h" do
    let(:user) { create :user }

    let(:jul30) { Time.parse('2015-07-30 10:00') }
    let(:aug6)  { Time.parse('2015-08-06 10:00') }
    let(:aug11) { Time.parse('2015-08-11 10:00') }

    before do
      project = create :project, title: 'Destroy Death Star'

      Timecop.travel jul30 do
        create :timelog, user: user, hours: 1, project: project
      end

      Timecop.travel aug6 do
        create :timelog, user: user, hours: 2, project: project
      end

      Timecop.travel aug11 do
        create :timelog, user: user, hours: 3, project: project
      end
    end

    around do |ex|
      Timecop.travel Time.parse('2015-08-11 10:00') do
        ex.run
      end
    end

    it "should calculate day totals for current week and month" do
      report = UserReport.new(user, aug11.monday, aug11.sunday).to_h
      expect(report).to eq(
        {
          :by_day => {
            "Mon"=> 0,
            "Tue"=> 3,
            "Wed"=> 0,
            "Thu"=> 0,
            "Fri"=> 0,
            "Sat"=> 0,
            "Sun"=> 0,
          },
          :by_project =>[
            ["Destroy Death Star", { :month => 5, :week => 3 }]
          ],
          :tasks=>[
            {:project=>"Destroy Death Star", :hours => 3, :description=>"Hard working" }
          ],

          :total_week=>3.0,
          :total_month=>5.0
        }
      )
    end
  end

  describe "#to_h" do
    let(:user) { create :user }

    let(:aug31) { Time.parse('2015-08-31 10:00') }
    let(:sep01) { Time.parse('2015-09-01 10:00') }

    before do
      projectA = create :project, title: 'A'
      projectB = create :project, title: 'B'

      Timecop.travel aug31 do
        create :timelog, user: user, hours: 1, project: projectA
      end

      Timecop.travel sep01 do
        create :timelog, user: user, hours: 2, project: projectB
      end
    end

    around do |ex|
      Timecop.travel Time.parse('2015-09-06 10:00') do
        ex.run
      end
    end

    it "should calculate day totals for current week and month" do
      report = UserReport.new(user, sep01.monday, sep01.sunday).to_h
      expect(report).to eq(
        {
          :by_day => {
            "Mon"=> 1,
            "Tue"=> 2,
            "Wed"=> 0,
            "Thu"=> 0,
            "Fri"=> 0,
            "Sat"=> 0,
            "Sun"=> 0,
          },
          :by_project =>[
            ["A", { :month => 0, :week => 1 }],
            ["B", { :month => 2, :week => 2 }],
          ],
          :tasks=>[
            {:project=>"A", :hours => 3, :description=>"Hard working" }
          ],

          :total_week=>3.0,
          :total_month=>2.0
        }
      )
    end
  end
end