Merge pull request jeremy#3 from j-manu/guage-spec-doc

Document #gauge and test that namespacing works

lib/statsd.rb

@@ -7,6 +7,7 @@
 # @example Send some stats
 #   $statsd.increment 'garets'
 #   $statsd.timing 'glork', 320
+#   $statsd.gauge 'bork', 100
 # @example Use {#time} to time the execution of a block
 #   $statsd.time('account.activate') { @account.activate! }
 # @example Create a namespaced statsd client and increment 'account.activate'

spec/statsd_spec.rb

@@ -183,6 +183,11 @@ class Statsd
       @statsd.timing('foobar', 500)
       @statsd.socket.recv.must_equal ['service.foobar:500|ms']
     end
+
+    it "should add namespace to gauge" do
+      @statsd.gauge('foobar', 500)
+      @statsd.socket.recv.must_equal ['service.foobar:500|g']
+    end
   end
 
   describe "with logging" do