Mock some AR::Relation methods about tables

Author: elia

lib/active_admin/mongoid/criteria.rb

@@ -1,3 +1,5 @@
+require 'delegate'
+
 Mongoid::Criteria.class_eval do
   def relation *args, &block
     self
@@ -6,5 +8,15 @@ def relation *args, &block
   def base
     klass
   end
+
+  def table
+    CollectionTable.new(klass.collection)
+  end
+
+  class CollectionTable < SimpleDelegator
+    def from(*a)
+      self
+    end
+  end
 end