add "currents" to config

lib/von/config.rb

@@ -13,13 +13,15 @@ module Config
     attr_accessor :hourly_format
     attr_accessor :minutely_format
 
-    attr_reader  :periods
-    attr_reader  :bests
+    attr_reader :periods
+    attr_reader :bests
+    attr_reader :currents
 
     def init!
-      @periods         = {}
-      @bests           = {}
-      @totals          = {}
+      @periods  = {}
+      @bests    = {}
+      @currents = {}
+      @totals   = {}
       # all keys are prefixed with this namespace
       self.namespace = 'von'
       # rescue Redis connection errors
@@ -63,6 +65,7 @@ def counter(field, options = {})
       options.each do |option, value|
         set_period(field, option, value) if Period.exists?(option)
         set_best(field, value) if option == :best
+        set_current(field, value) if option == :current
       end
     end
 
@@ -92,6 +95,11 @@ def set_best(field, time_unit)
       }
     end
 
+    def set_current(field, time_unit)
+      @currents[field] = [ time_unit ].flatten.map { |u|
+        Period.new(u)
+      }
+    end
 
   end
 end

test/config_test.rb

@@ -18,7 +18,7 @@
     @config.namespace.must_equal 'something'
   end
 
-  it "allows periods to be set via counter method" do
+  it "sets periods via counter method" do
     Von.configure do |config|
       config.counter 'bar', :monthly => 3, :daily => 6
     end
@@ -30,7 +30,7 @@
     Von.config.periods[:bar].last.length.must_equal 6
   end
 
-  it "allows bests to be set via counter method" do
+  it "sets bests via counter method" do
     Von.configure do |config|
       config.counter 'bar', :best => :day
       config.counter 'foo', :best => [ :month, :year ]
@@ -44,4 +44,18 @@
     Von.config.bests[:foo].last.name.must_equal :yearly
   end
 
+  it "sets currents via counter method" do
+    Von.configure do |config|
+      config.counter 'bar', :current => :day
+      config.counter 'foo', :current => [ :month, :year ]
+    end
+
+    Von.config.currents[:bar].first.must_be_instance_of Von::Period
+    Von.config.currents[:bar].first.name.must_equal :daily
+    Von.config.currents[:foo].first.must_be_instance_of Von::Period
+    Von.config.currents[:foo].first.name.must_equal :monthly
+    Von.config.currents[:foo].last.must_be_instance_of Von::Period
+    Von.config.currents[:foo].last.name.must_equal :yearly
+  end
+
 end