Ensures headless JS server and testing environment are connecting to same database

Author: oponder

spec/support/shared_db_connection.rb

@@ -0,0 +1,25 @@
+class ActiveRecord::Base
+  mattr_accessor :shared_connection
+  @@shared_connection = nil
+
+  def self.connection
+    @@shared_connection || retrieve_connection
+  end
+end
+
+# Forces all threads to share the same connection. This works on
+# Capybara because it starts the web server in a thread.
+ActiveRecord::Base.shared_connection = ActiveRecord::Base.connection
+
+if Rails.env.javascript_test?
+  module ActiveRecord
+    module ConnectionAdapters
+      module QueryCache
+        private
+          def cache_sql(sql,binds)
+            yield
+          end
+      end
+    end
+  end
+end