require_relative '../spec_helper' describe GroupOrderArticle do let(:user) { create :user, groups: [create(:ordergroup)] } let(:order) { create(:order) } let(:go) { create :group_order, order: order, ordergroup: user.ordergroup } let(:goa) { create :group_order_article, group_order: go, order_article: order.order_articles.first } it 'has zero quantity by default' do expect(goa.quantity).to eq(0) end it 'has zero tolerance by default' do expect(goa.tolerance).to eq(0) end it 'has zero result by default' do expect(goa.result).to eq(0) end it 'has zero total price by default' do expect(goa.total_price).to eq(0) end describe do let(:article) { create :article, supplier: order.supplier, unit_quantity: 1 } let(:oa) { order.order_articles.create(:article => article) } let(:goa) { create :group_order_article, group_order: go, order_article: oa } it 'can be ordered by piece' do goa.update_quantities(1, 0) expect(goa.quantity).to eq(1) expect(goa.tolerance).to eq(0) end it 'can be ordered in larger amounts' do quantity, tolerance = rand(13..99), rand(0..99) goa.update_quantities(quantity, tolerance) expect(goa.quantity).to eq(quantity) expect(goa.tolerance).to eq(tolerance) end it 'has a proper total price' do quantity = rand(1..99) goa.update_quantities(quantity, 0) expect(goa.total_price).to eq(quantity * goa.order_article.price.fc_price) end it 'can unorder a product' do goa.update_quantities(rand(1..99), rand(0..99)) goa.update_quantities(0, 0) expect(GroupOrderArticle.exists?(goa.id)).to be false end it 'updates quantity and tolerance' do goa.update_quantities(2, 2) goa.update_quantities(1, 1) expect(goa.quantity).to eq(1) expect(goa.tolerance).to eq(1) goa.update_quantities(1, 2) expect(goa.tolerance).to eq(2) end end describe 'distribution strategy' do let(:article) { create :article, supplier: order.supplier, unit_quantity: 1 } let(:oa) { order.order_articles.create(:article => article) } let(:goa) { create :group_order_article, group_order: go, order_article: oa } let!(:goaq) { create :group_order_article_quantity, group_order_article: goa, quantity: 4, tolerance: 6 } it 'can calculate the result for the distribution strategy "first order first serve"' do res = goa.calculate_result(2) expect(res).to eq(quantity: 2, tolerance: 0, total: 2) end it 'can calculate the result for the distribution strategy "no automatic distribution"' do FoodsoftConfig[:distribution_strategy] = FoodsoftConfig::DistributionStrategy::NO_AUTOMATIC_DISTRIBUTION res = goa.calculate_result(2) expect(res).to eq(quantity: 4, tolerance: 0, total: 4) end it 'determines tolerance correctly' do res = goa.calculate_result(6) expect(res).to eq(quantity: 4, tolerance: 2, total: 6) end end end