require 'spec_helper' describe Article do let(:supplier) { FactoryGirl.create :supplier } let(:article) { FactoryGirl.create :article, supplier: supplier } it 'has a unique name' do article2 = FactoryGirl.build :article, supplier: supplier, name: article.name expect(article2).to be_invalid end it 'computes the gross price correctly' do article.deposit = 0 article.tax = 12 expect(article.gross_price).to eq((article.price * 1.12).round(2)) article.deposit = 1.20 expect(article.gross_price).to eq(((article.price + 1.20) * 1.12).round(2)) end it 'gross price >= net price' do expect(article.gross_price).to be >= article.price end it 'fc-price >= gross price' do if article.gross_price > 0 expect(article.fc_price).to be > article.gross_price else expect(article.fc_price).to be >= article.gross_price end end it 'knows when it is deleted' do expect(supplier.deleted?).to be_false supplier.mark_as_deleted expect(supplier.deleted?).to be_true end it 'keeps a price history' do expect(article.article_prices.all.map(&:price)).to eq([article.price]) oldprice = article.price sleep 1 # so that the new price really has a later creation time article.price += 1 article.save! expect(article.article_prices.all.map(&:price)).to eq([article.price, oldprice]) end end