Schedule recurring jobs only sidekiq server side

Fixes #104

lib/sidetiq/schedulable.rb

@@ -38,6 +38,8 @@ module Sidetiq
       end
 
       def recurrence(options = {}, &block) # :nodoc:
+        return unless Sidekiq.server?
+
         schedule.instance_eval(&block)
         schedule.set_options(options)
 
@@ -45,28 +47,23 @@ module Sidetiq
         old_description = get_schedulable_key("schedule_description")
         if old_description != schedule.to_s
           get_schedulable_keys.map do |key|
-            schedulable_redis.del(key)
+            Sidekiq.redis_pool.with { |r| r.del(key) }
           end
           set_schedulable_key("schedule_description", schedule.to_s)
         end
       end
 
       private
-
-      def schedulable_redis
-        Sidekiq.redis { |redis| redis }
-      end
-
       def get_schedulable_keys
-        schedulable_redis.keys("sidetiq:#{name}:*")
+        Sidekiq.redis_pool.with { |r| r.keys("sidetiq:#{name}:*") }
       end
 
       def get_schedulable_key(key)
-        schedulable_redis.get("sidetiq:#{name}:#{key}")
+        Sidekiq.redis_pool.with { |r| r.get("sidetiq:#{name}:#{key}") }
       end
 
       def set_schedulable_key(key, value)
-        schedulable_redis.set("sidetiq:#{name}:#{key}", value)
+        Sidekiq.redis_pool.with { |r| r.set("sidetiq:#{name}:#{key}", value) }
       end
 
       def get_timestamp(key)
@@ -83,4 +80,3 @@ module Sidetiq
     end
   end
 end
-

sidetiq.gemspec

@@ -19,7 +19,7 @@ Gem::Specification.new do |gem|
   gem.require_paths = ["lib"]
   gem.extensions    = []
 
-  gem.add_dependency 'sidekiq',   '>= 2.16.0'
+  gem.add_dependency 'sidekiq',   '>= 3.0.0'
   gem.add_dependency 'celluloid', '>= 0.14.1'
   gem.add_dependency 'ice_cube',  '~> 0.12.0'
 

test/helper.rb

@@ -13,6 +13,12 @@ require 'rack/test'
 require 'sidetiq'
 require 'sidetiq/web'
 
+module Sidekiq
+  def self.server?
+    true
+  end
+end
+
 class Sidetiq::Supervisor
   def self.clock
     @clock ||= Sidetiq::Clock.new

test/test_schedulable.rb

@@ -1,10 +1,25 @@
 require_relative 'helper'
+require 'minitest/mock'
 
 class TestShedulable < Sidetiq::TestCase
   class FakeWorker
     include Sidetiq::Schedulable
   end
 
+  def test_recurrence
+    Sidekiq.stub(:server?, true) do
+      Sidekiq.expects(:redis_pool).returns(Sidekiq::RedisConnection.create).at_least(1)
+
+      FakeWorker.recurrence { hourly }
+    end
+
+    Sidekiq.stub(:server?, false) do
+      Sidekiq.expects(:redis_pool).times(0)
+
+      FakeWorker.recurrence { hourly }
+    end
+  end
+
   def test_resheduling
     last_run = (Time.now - 100).to_f
     next_run = (Time.now + 100).to_f