Record not unique fixes.

Author: Sutto

Gemfile

@@ -20,6 +20,6 @@ if (wp_version = ENV['WILL_PAGINATE_VERSION'])
   gem 'will_paginate', wp_version
 end
 
-gem 'active_model_serializers'
+gem 'active_model_serializers', ENV['AMS_VERSION'] || '> 0.0'
 
 gemspec

spec/integration/active_record_spec.rb

@@ -42,7 +42,8 @@
     end
   end
 
-  pending 'should automatically map ActiveRecord::RecordNotUnique' do
+  it 'should automatically map ActiveRecord::RecordNotUnique' do
+    Fish.connection.add_index :fish, :latin_name, unique: true
     attrs = {:token => "a", :name => "Test Fish", :latin_name => "Latin Name", :child_number => 5}
     Fish.create! attrs
     action_is { Fish.create!(attrs); raise "This should not happen..." }