require 'spec_helper' describe OrderArticle do let(:order) { FactoryGirl.create :order, article_count: 1 } let(:oa) { order.order_articles.first } it 'is not ordered by default' do expect(OrderArticle.ordered.count).to eq 0 end [:units_to_order, :units_billed, :units_received].each do |units| it "is ordered when there are #{units.to_s.gsub '_', ' '}" do oa.update_attribute units, rand(1..99) expect(OrderArticle.ordered.count).to eq 1 end end it 'knows how many items there are' do oa.units_to_order = rand(1..99) expect(oa.units).to eq oa.units_to_order oa.units_billed = rand(1..99) expect(oa.units).to eq oa.units_billed oa.units_received = rand(1..99) expect(oa.units).to eq oa.units_received oa.units_billed = rand(1..99) expect(oa.units).to eq oa.units_received oa.units_to_order = rand(1..99) expect(oa.units).to eq oa.units_received oa.units_received = rand(1..99) expect(oa.units).to eq oa.units_received end describe 'redistribution' do let(:admin) { FactoryGirl.create :user, groups:[FactoryGirl.create(:workgroup, role_finance: true)] } let(:article) { FactoryGirl.create :article, unit_quantity: 3 } let(:order) { FactoryGirl.create :order, article_ids: [article.id] } let(:go1) { FactoryGirl.create :group_order, order: order } let(:go2) { FactoryGirl.create :group_order, order: order } let(:go3) { FactoryGirl.create :group_order, order: order } let(:goa1) { FactoryGirl.create :group_order_article, group_order: go1, order_article: oa } let(:goa2) { FactoryGirl.create :group_order_article, group_order: go2, order_article: oa } let(:goa3) { FactoryGirl.create :group_order_article, group_order: go3, order_article: oa } # set quantities of group_order_articles def set_quantities(q1, q2, q3) goa1.update_quantities(*q1) goa2.update_quantities(*q2) goa3.update_quantities(*q3) oa.update_results! order.finish!(admin) goa_reload end # reload all group_order_articles def goa_reload [goa1, goa2, goa3].map(&:reload) end it 'has expected units_to_order' do set_quantities [3,2], [1,3], [1,0] expect(oa.units*oa.article.unit_quantity).to eq 6 expect([goa1, goa2, goa3].map(&:result)).to eq [4, 1, 1] end it 'does nothing when nothing has changed' do set_quantities [3,2], [1,3], [1,0] expect(oa.redistribute 6, [:tolerance, nil]).to eq [1, 0] goa_reload expect([goa1, goa2, goa3].map(&:result).map(&:to_i)).to eq [4, 1, 1] end it 'works when there is nothing to distribute' do set_quantities [3,2], [1,3], [1,0] expect(oa.redistribute 0, [:tolerance, nil]).to eq [0, 0] goa_reload expect([goa1, goa2, goa3].map(&:result)).to eq [0, 0, 0] end it 'works when quantity needs to be reduced' do set_quantities [3,2], [1,3], [1,0] expect(oa.redistribute 4, [:tolerance, nil]).to eq [0, 0] goa_reload expect([goa1, goa2, goa3].map(&:result)).to eq [3, 1, 0] end it 'works when quantity is increased within quantity' do set_quantities [3,0], [2,0], [2,0] expect([goa1, goa2, goa3].map(&:result)).to eq [3, 2, 1] expect(oa.redistribute 7, [:tolerance, nil]).to eq [0, 0] goa_reload expect([goa1, goa2, goa3].map(&:result).map(&:to_i)).to eq [3, 2, 2] end it 'works when there is just one for the first' do set_quantities [3,2], [1,3], [1,0] expect(oa.redistribute 1, [:tolerance, nil]).to eq [0, 0] goa_reload expect([goa1, goa2, goa3].map(&:result)).to eq [1, 0, 0] end it 'works when there is tolerance and left-over' do set_quantities [3,2], [1,1], [1,0] expect(oa.redistribute 10, [:tolerance, nil]).to eq [3, 2] goa_reload expect([goa1, goa2, goa3].map(&:result)).to eq [5, 2, 1] end it 'works when redistributing without tolerance' do set_quantities [3,2], [1,3], [1,0] expect(oa.redistribute 8, [nil]).to eq [3] goa_reload expect([goa1, goa2, goa3].map(&:result)).to eq [3, 1, 1] end end end