describe ProcedureStatsConcern do describe '#usual_traitement_time_for_recent_dossiers' do let(:procedure) { create(:procedure) } before do Timecop.freeze(Time.utc(2019, 6, 1, 12, 0)) delays.each do |delay| create_dossier(construction_date: 1.week.ago - delay, instruction_date: 1.week.ago - delay + 12.hours, processed_date: 1.week.ago) end end after { Timecop.return } context 'when there are several processed dossiers' do let(:delays) { [1.day, 2.days, 2.days, 2.days, 2.days, 3.days, 3.days, 3.days, 3.days, 12.days] } it 'returns a time representative of the dossier instruction delay' do expect(procedure.usual_traitement_time_for_recent_dossiers(30)).to be_between(3.days, 4.days) end end context 'when there are very old dossiers' do let(:delays) { [2.days, 2.days] } let!(:old_dossier) { create_dossier(construction_date: 3.months.ago, instruction_date: 2.months.ago, processed_date: 2.months.ago) } it 'ignores dossiers older than 1 month' do expect(procedure.usual_traitement_time_for_recent_dossiers(30)).to be_within(1.hour).of(2.days) end end context 'when there is a dossier with bad data' do let(:delays) { [2.days, 2.days] } let!(:bad_dossier) { create_dossier(construction_date: nil, instruction_date: nil, processed_date: 10.days.ago) } it 'ignores bad dossiers' do expect(procedure.usual_traitement_time_for_recent_dossiers(30)).to be_within(1.hour).of(2.days) end end context 'when there is only one processed dossier' do let(:delays) { [1.day] } it { expect(procedure.usual_traitement_time_for_recent_dossiers(30)).to be_within(1.hour).of(1.day) } end context 'where there is no processed dossier' do let(:delays) { [] } it { expect(procedure.usual_traitement_time_for_recent_dossiers(30)).to eq nil } end end describe '.usual_traitement_time_by_month_in_days' do let(:procedure) { create(:procedure) } def create_dossiers(delays_by_month) delays_by_month.each_with_index do |delays, index| delays.each do |delay| processed_date = (index.months + 1.week).ago create_dossier(construction_date: processed_date - delay, instruction_date: processed_date - delay + 12.hours, processed_date: processed_date) end end end before do Timecop.freeze(Time.utc(2019, 6, 25, 12, 0)) create_dossiers(delays_by_month) end after { Timecop.return } context 'when there are several processed dossiers' do let(:delays_by_month) { [ [90.days, 90.days], [1.day, 2.days, 2.days, 2.days, 2.days, 3.days, 3.days, 3.days, 3.days, 12.days], [30.days, 60.days, 60.days, 60.days] ] } it 'computes a time representative of the dossier instruction delay for each month except current month' do expect(procedure.usual_traitement_time_by_month_in_days['avril 2019']).to eq 60 expect(procedure.usual_traitement_time_by_month_in_days['mai 2019']).to eq 4 expect(procedure.usual_traitement_time_by_month_in_days['juin 2019']).to eq nil end end end private def create_dossier(construction_date:, instruction_date:, processed_date:) dossier = create(:dossier, :accepte, procedure: procedure, depose_at: construction_date, en_instruction_at: instruction_date, processed_at: processed_date) end end