many changes

spec/models/list_spec.rb

@@ -14,4 +14,17 @@ describe List do
     end
   end
 
+  describe :mark_as_payed do
+    it "should set payed_at to a time" do
+      @list.payed_at.should be_nil
+      @list.mark_as_payed
+      @list.payed_at.should be_kind_of Time
+    end
+    it "should set is_payed to true" do
+      @list.is_payed.should be_false
+      @list.mark_as_payed
+      @list.is_payed.should be_true
+    end
+  end
+
 end

spec/models/product_spec.rb

@@ -0,0 +1,6 @@
+require 'spec_helper'
+
+describe Product do
+
+
+end