More fun with timers in tests.

Author: jdantonio

Gemfile

@@ -13,7 +13,6 @@ group :testing do
   gem 'simplecov', '~> 0.9.2', :require => false
   gem 'coveralls', '~> 0.7.11', :require => false
   gem 'timecop', '~> 0.7.3'
-  gem 'hitimes', '~> 1.2.2'
 end
 
 group :documentation do

lib/concurrent/utility/monotonic_time.rb

@@ -55,6 +55,22 @@ def monotonic_time
     GLOBAL_MONOTONIC_CLOCK.get_time
   end
   module_function :monotonic_time
+
+  # Runs the given block and returns the number of seconds that elapsed.
+  #
+  # @yield the block to run and time
+  # @return [Float] the number of seconds the block took to run
+  #
+  # @raise [ArgumentError] when no block given
+  #
+  # @!macro monotonic_clock_warning
+  def monotonic_interval
+    raise ArgumentError.new('no block given') unless block_given?
+    start_time = GLOBAL_MONOTONIC_CLOCK.get_time
+    yield
+    GLOBAL_MONOTONIC_CLOCK.get_time - start_time
+  end
+  module_function :monotonic_interval
 end
 
 __END__

spec/concurrent/exchanger_spec.rb

@@ -1,5 +1,3 @@
-require 'hitimes'
-
 module Concurrent
 
   describe Exchanger do
@@ -58,7 +56,7 @@ module Concurrent
       context 'with timeout' do
 
         it 'should block until timeout' do
-          duration = Hitimes::Interval.measure do
+          duration = Concurrent.monotonic_interval do
             subject.exchange(2, 0.1)
           end
           expect(duration).to be_within(0.05).of(0.1)

spec/concurrent/utility/timer_spec.rb

@@ -1,5 +1,3 @@
-require 'hitimes'
-
 module Concurrent
 
   describe '#timer' do
@@ -17,12 +15,8 @@ module Concurrent
     end
 
     it 'executes the block after the given number of seconds' do
-      latch = CountDownLatch.new(1)
-      duration = Hitimes::Interval.measure do
-        Concurrent::timer(0.2){ latch.count_down }
-        latch.wait(1)
-      end
-      expect(duration).to be_within(0.1).of(0.2)
+      expect(Concurrent.configuration.global_timer_set).to receive(:post).with(0.1)
+      Concurrent::timer(0.1){ nil }
     end
 
     it 'suppresses exceptions thrown by the block' do