lib/zold/stress/stats.rb in zold-stress-0.5.1 vs lib/zold/stress/stats.rb in zold-stress-0.5.2

@@ -31,13 +31,14 @@
 # Copyright:: Copyright (c) 2018 Yegor Bugayenko
 # License:: MIT
 module Zold::Stress
   # Stats
   class Stats
-    def initialize
+    def initialize(log: Zold::Log::NULL)
       @history = {}
       @mutex = Mutex.new
+      @log = log
     end
 
     def exists?(metric)
       !@history[metric].nil?
     end
@@ -76,9 +77,10 @@
       start = Time.now
       yield
       put(metric + '_ok', Time.now - start)
     rescue StandardError => ex
       put(metric + '_error', Time.now - start)
+      @log.error(Backtrace.new(ex))
       raise ex unless swallow
     ensure
       put(metric, Time.now - start)
     end