Close connection from specs

lib/dm-mongo-adapter/adapter.rb

@@ -130,7 +130,23 @@ def connection
         end
       end
 
-      private
+      # Closes the active connection if any
+      #
+      # This method is mostly used from specs. But you can force a 
+      # connection close from your code if needed.
+      #
+      # This method is a noop when no connection exists. 
+      # Connections are established on demand. 
+      # 
+      # @return nil
+      #
+      # @api public
+      def close_connection
+        @connection and @connection.close
+        @connection = nil
+      end
+
+    private
 
       def initialize(name, options = {})
         # When giving a repository URI rather than a hash, the database name

spec/spec_helper.rb

@@ -37,8 +37,8 @@ def setup_connection
   end
 
   def teardown_connection
-    #DataMapper.repository(:default).adapter.connection.close
-    #DataMapper::Repository.adapters.delete :default
+    DataMapper.repository(:default).adapter.close_connection
+    DataMapper::Repository.adapters.delete :default
   end
 end
 

spec/unit/dm-mongo-adapter/adapter/close_connection_spec.rb

@@ -0,0 +1,32 @@
+require 'spec_helper'
+
+describe DataMapper::Mongo::Adapter, '#close_connection' do
+  let(:object) { described_class.new(:default,{}) }
+
+  subject { object.close_connection }
+
+
+  context 'when adapter is connected' do
+    let(:connection) { mock(:close => true) }
+
+    before do
+      object.instance_variable_set(:@connection,connection)
+    end
+
+    it 'should close the connection' do
+      connection.should_receive(:close)
+      subject
+    end
+
+    it 'should remove the connection' do
+      subject
+      object.instance_variable_get(:@connection).should be_false
+    end
+  end
+
+  context 'when adapter is not connected' do
+    it 'should be a noop' do
+      subject
+    end
+  end
+end