lib/zache.rb in zache-0.6.0 vs lib/zache.rb in zache-0.7.0

@@ -39,10 +39,14 @@
 class Zache
   # Fake implementation that doesn't cache anything, but behaves like it
   # does. It implements all methods of the original class, but doesn't do
   # any caching. This is very useful for testing.
   class Fake
+    def size
+      1
+    end
+
     def get(*)
       yield
     end
 
     def exists?(*)
@@ -72,9 +76,14 @@
   def initialize(sync: true, dirty: false)
     @hash = {}
     @sync = sync
     @dirty = dirty
     @mutex = Mutex.new
+  end
+
+  # Total number of keys currently in cache.
+  def size
+    @hash.size
   end
 
   # Gets the value from the cache by the provided key. If the value is not
   # found in the cache, it will be calculated via the provided block. If
   # the block is not given, an exception will be raised. The lifetime