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Versions: 9
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Contents
require 'spec/spec_helper'
#
# Tests for image model extensions
#
describe ShopDiscounts::Models::Purchaseable do
dataset :shop_line_items, :shop_discounts
before :each do
ShopDiscountable.create(:discount => shop_discounts(:ten_percent), :discounted => shop_line_items(:one))
end
describe '#value' do
it 'it should return the price of the items' do
shop_line_items(:one).value.should === shop_line_items(:one).item.price
end
end
describe '#discount' do
context 'single discount' do
it 'should return the value of that discount as a percentage' do
shop_line_items(:one).discount.should === (shop_discounts(:ten_percent).amount * 0.01)
end
end
context 'multiple discounts' do
before :each do
ShopDiscountable.create(:discount => shop_discounts(:five_percent), :discounted => shop_line_items(:one))
end
it 'should attach all discounts to the item' do
shop_line_items(:one).discount.should == 0.15
end
end
context 'too many discounts' do
before :each do
ShopDiscountable.create(:discount => shop_discounts(:hundred_percent), :discounted => shop_line_items(:one))
end
it 'should return a capped discount amount' do
shop_line_items(:one).discount.should == 1
end
end
end
describe '#discounted' do
it 'should return how much has been taken off the product' do
shop_line_items(:one).discounted.should === (shop_line_items(:one).item.price * 0.1)
end
end
describe '#price' do
it 'should return the discounted price of the product' do
shop_line_items(:one).price.should === (shop_line_items(:one).value - shop_line_items(:one).discounted)
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems