Lets you inject in a RedisConnect into Sidekiq::Client so you can push jobs to different Redis instances in the same application.

lib/sidekiq.rb

@@ -66,8 +66,11 @@ module Sidekiq
 
   def self.redis(&block)
     raise ArgumentError, "requires a block" if !block
+    redis_connection.with(&block)
+  end
+
+  def self.redis_connection
     @redis ||= Sidekiq::RedisConnection.create
-    @redis.with(&block)
   end
 
   def self.redis=(hash)

lib/sidekiq/client.rb

@@ -25,6 +25,10 @@ module Sidekiq
       @chain
     end
 
+    def initialize(redis_connection = Sidekiq.redis_connection)
+      @redis_connection = redis_connection
+    end
+
     ##
     # The main method used to push a job to Redis.  Accepts a number of options:
     #
@@ -135,7 +139,7 @@ module Sidekiq
 
     def raw_push(payloads)
       pushed = false
-      Sidekiq.redis do |conn|
+      @redis_connection.with do |conn|
         if payloads.first['at']
           pushed = conn.zadd('schedule', payloads.map do |hash|
             at = hash.delete('at').to_s

test/test_client.rb

@@ -20,10 +20,12 @@ class TestClient < Sidekiq::Test
       def @redis.with; yield self; end
       def @redis.exec; true; end
       Sidekiq.instance_variable_set(:@redis, @redis)
+      Sidekiq::Client.instance_variable_set(:@default, nil)
     end
 
     after do
       Sidekiq.instance_variable_set(:@redis, REDIS)
+      Sidekiq::Client.instance_variable_set(:@default, nil)
     end
 
     it 'raises ArgumentError with invalid params' do

test/test_scheduling.rb

@@ -4,6 +4,7 @@ require 'sidekiq/scheduled'
 class TestScheduling < Sidekiq::Test
   describe 'middleware' do
     before do
+      Sidekiq::Client.instance_variable_set(:@default, nil)
       @redis = Minitest::Mock.new
       # Ugh, this is terrible.
       Sidekiq.instance_variable_set(:@redis, @redis)
@@ -11,6 +12,10 @@ class TestScheduling < Sidekiq::Test
       def @redis.with; yield self; end
     end
 
+    after do
+      Sidekiq::Client.instance_variable_set(:@default, nil)
+    end
+
     class ScheduledWorker
       include Sidekiq::Worker
       sidekiq_options :queue => :custom_queue