Specs for table truncation without id seq

spec/database_cleaner/active_record/truncation/postgresql_spec.rb

@@ -27,6 +27,13 @@ module ActiveRecord
           User.count.should eq 0
         end
 
+        it "truncates the table without id sequence" do
+          2.times { Agent.create }
+
+          connection.truncate_table('agents')
+          Agent.count.should eq 0
+        end
+
         it "resets AUTO_INCREMENT index of table" do
           2.times { User.create }
           User.delete_all
@@ -45,4 +52,3 @@ module ActiveRecord
     end
   end
 end
-

spec/support/active_record/schema_setup.rb

@@ -3,8 +3,15 @@ def load_schema
     create_table :users, :force => true do |t|
       t.integer :name
     end
+
+    create_table :agents, :id => false, :force => true do |t|
+      t.integer :name
+    end
   end
 end
 
 class ::User < ActiveRecord::Base
 end
+
+class ::Agent < ActiveRecord::Base
+end