foodsoft/spec/models/group_order_article_spec.rb

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require_relative '../spec_helper'
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describe GroupOrderArticle do
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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 }
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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
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describe do
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let(:article) { create :article, supplier: order.supplier, unit_quantity: 1 }
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let(:oa) { order.order_articles.create(:article => article) }
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let(:goa) { create :group_order_article, group_order: go, order_article: oa }
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it 'can be ordered by piece' do
goa.update_quantities(1, 0)
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expect(goa.quantity).to eq(1)
expect(goa.tolerance).to eq(0)
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end
it 'can be ordered in larger amounts' do
quantity, tolerance = rand(13..99), rand(0..99)
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goa.update_quantities(quantity, tolerance)
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expect(goa.quantity).to eq(quantity)
expect(goa.tolerance).to eq(tolerance)
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end
it 'has a proper total price' do
quantity = rand(1..99)
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goa.update_quantities(quantity, 0)
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expect(goa.total_price).to eq(quantity * goa.order_article.price.fc_price)
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end
it 'can unorder a product' do
goa.update_quantities(rand(1..99), rand(0..99))
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goa.update_quantities(0, 0)
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expect(GroupOrderArticle.exists?(goa.id)).to be false
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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
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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
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end