initial plan structure, and some misc fixes

tests/site_tests.rb

@@ -0,0 +1,29 @@
+require_relative './environment.rb'
+require 'rack/test'
+
+include Rack::Test::Methods
+
+def app
+  Sinatra::Application
+end
+
+describe 'site' do
+  describe 'plan_name' do
+    it 'should set to free for missing stripe_customer_id' do
+      site = Fabricate :site
+      site.reload.plan_type.must_equal 'free'
+    end
+
+    it 'should be free for no plan_type entry' do
+      site = Fabricate :site, stripe_customer_id: 'cust_derp'
+      site.plan_type.must_equal 'free'
+    end
+
+    it 'should match plan_type' do
+      %w{supporter neko catbus fatcat}.each do |plan_type|
+        site = Fabricate :site, plan_type: plan_type
+        site.plan_type.must_equal plan_type
+      end
+    end
+  end
+end