boom

spec/models/line_item_spec.rb

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+require File.dirname(__FILE__) + '/../spec_helper'
+
+describe LineItem do
+
+  context "#save" do
+    it "should create one link for a single digital Variant" do
+      digital_variant = Factory(:variant, :digital => Factory(:digital))
+      line_item = Factory(:line_item, :variant => digital_variant)
+      links = digital_variant.digital.digital_links
+      links.all.size.should == 1
+      links.first.line_item.should == line_item
+    end
+
+    it "should create a link for each quantity of a digital Variant, even when quantity changes later" do
+      digital_variant = Factory(:variant, :digital => Factory(:digital))
+      line_item = Factory(:line_item, :variant => digital_variant, :quantity => 5)
+      links = digital_variant.digital.digital_links
+      links.all.size.should == 5
+      links.each { |link| link.line_item.should == line_item }
+      # quantity update
+      line_item.quantity = 8
+      line_item.save
+      links = digital_variant.digital.digital_links
+      links.all.size.should == 8
+      links.each { |link| link.line_item.should == line_item }
+    end
+  end
+  
+end
+
+
+
+