freireag · November 9, 2008 05:52 · Nov 9, 2008
diff --git a/product_test.rb b/product_test.rb
@@ -0,0 +1,24 @@
+require 'test_helper'
+
+class ProductTest < ActiveSupport::TestCase
+  context "given an existing product" do
+    fixtures :all
+
+    should_have_db_columns :id, :name, :description, :price, :quantity
+    should_have_db_column :name, :type => "string", :null => false
+    should_have_db_column :price, :type => "decimal", :null => false, :scale => 2
+    should_have_db_column :quantity, :type => "integer", :default => 0, :null => false
+
+    should_have_instance_methods :name, :name=, :description, :description=, :price, :price=, :quantity, :quantity=
+
+    should_not_allow_values_for :price, -1, 0
+    should_not_allow_values_for :quantity, -1, 1.3
+    should_allow_values_for :quantity, 0
+
+    should_only_allow_numeric_values_for :price
+    should_only_allow_numeric_values_for :quantity
+
+    should_require_attributes :name, :price, :quantity
+    should_require_unique_attributes :name
+  end
+end