Dropbox::Entry automatically uses metadata hash feature

lib/dropbox/entry.rb

@@ -31,10 +31,16 @@ def initialize(session, path) # :nodoc:
       @path = path
     end
 
-    # Delegates to Dropbox::API#metadata.
+    # Delegates to Dropbox::API#metadata. Additional options:
+    #
+    # +force+:: Normally, subsequent calls to this method will use cached
+    #           results if the file hasn't been changed. To download the full
+    #           metadata even if the file has not been changed, set this to
+    #           +true+.
 
     def metadata(options={})
-      @session.metadata path, options
+      @previous_metadata = nil if options.delete(:force)
+      @previous_metadata = @session.metadata path, (@previous_metadata ? options.merge(:prior_response => @previous_metadata) : options)
     end
     alias :info :metadata
 

spec/dropbox/entry_spec.rb

@@ -22,6 +22,26 @@
 
       @entry.metadata(:sandbox => true)
     end
+
+    it "should record prior responses and use them automatically" do
+      result = mock('result')
+
+      @session.should_receive(:metadata).once.with(@path, {}).and_return(result)
+      @entry.metadata.should eql(result)
+
+      @session.should_receive(:metadata).once.with(@path, { :prior_response => result }).and_return(result)
+      @entry.metadata.should eql(result)
+    end
+
+    it "... unless :force is set to true" do
+      result = mock('result')
+
+      @session.should_receive(:metadata).once.with(@path, {}).and_return(result)
+      @entry.metadata
+
+      @session.should_receive(:metadata).once.with(@path, {}).and_return(result)
+      @entry.metadata(:force => true)
+    end
   end
 
   describe "#move" do