implement `provider_job_id` for `queue_classic`.

The latest, currently unreleased, version of queue_classic is required
for this to work. See
https://github.com/QueueClassic/queue_classic/pull/262 for more details.

Gemfile

@@ -49,7 +49,7 @@ group :job do
   gem 'sidekiq', require: false
   gem 'sucker_punch', require: false
   gem 'delayed_job', require: false
-  gem 'queue_classic', require: false, platforms: :ruby
+  gem 'queue_classic', github: "QueueClassic/queue_classic", require: false, platforms: :ruby
   gem 'sneakers', require: false
   gem 'que', require: false
   gem 'backburner', require: false

Gemfile.lock

@@ -1,3 +1,10 @@
+GIT
+  remote: git://github.com/QueueClassic/queue_classic.git
+  revision: d144db29f1436e9e8b3c7a1a1ecd4442316a9ecd
+  specs:
+    queue_classic (3.2.0.alpha)
+      pg (>= 0.17, < 0.19)
+
 GIT
   remote: git://github.com/bkeepers/qu.git
   revision: d098e2657c92e89a6413bebd9c033930759c061f
@@ -173,8 +180,6 @@ GEM
     pg (0.18.2)
     psych (2.0.13)
     que (0.10.0)
-    queue_classic (3.1.0)
-      pg (>= 0.17, < 0.19)
     racc (1.4.12)
     rack (1.6.4)
     rack-cache (1.2)
@@ -289,7 +294,7 @@ DEPENDENCIES
   qu-rails!
   qu-redis
   que
-  queue_classic
+  queue_classic!
   racc (>= 1.4.6)
   rack-cache (~> 1.2)
   rails!

activejob/CHANGELOG.md

@@ -1,6 +1,11 @@
+*   Implement `provider_job_id` for `queue_classic` adapter. This requires the
+    latest, currently unreleased, version of queue_classic.
+
+    *Yves Senn*
+
 *   `assert_enqueued_with` and `assert_performed_with` now returns the matched
     job instance for further assertions.
-    
+
     *Jean Boussier*
 
 *   Include I18n.locale into job serialization/deserialization and use it around

activejob/lib/active_job/queue_adapters/queue_classic_adapter.rb

@@ -18,7 +18,9 @@ module ActiveJob
     #   Rails.application.config.active_job.queue_adapter = :queue_classic
     class QueueClassicAdapter
       def enqueue(job) #:nodoc:
-        build_queue(job.queue_name).enqueue("#{JobWrapper.name}.perform", job.serialize)
+        qc_job = build_queue(job.queue_name).enqueue("#{JobWrapper.name}.perform", job.serialize)
+        job.provider_job_id = qc_job["id"] if qc_job.is_a?(Hash)
+        qc_job
       end
 
       def enqueue_at(job, timestamp) #:nodoc:
@@ -28,7 +30,9 @@ module ActiveJob
             'the QC::Queue needs to respond to `enqueue_at(timestamp, method, *args)`. ' \
             'You can implement this yourself or you can use the queue_classic-later gem.'
         end
-        queue.enqueue_at(timestamp, "#{JobWrapper.name}.perform", job.serialize)
+        qc_job = queue.enqueue_at(timestamp, "#{JobWrapper.name}.perform", job.serialize)
+        job.provider_job_id = qc_job["id"] if qc_job.is_a?(Hash)
+        qc_job
       end
 
       # Builds a <tt>QC::Queue</tt> object to schedule jobs on.

activejob/test/integration/queuing_test.rb

@@ -57,13 +57,13 @@ class QueuingTest < ActiveSupport::TestCase
   end
 
   test 'should supply a provider_job_id when available for immediate jobs' do
-    skip unless adapter_is?(:delayed_job, :sidekiq, :qu, :que)
+    skip unless adapter_is?(:delayed_job, :sidekiq, :qu, :que, :queue_classic)
     test_job = TestJob.perform_later @id
     assert test_job.provider_job_id, 'Provider job id should be set by provider'
   end
 
   test 'should supply a provider_job_id when available for delayed jobs' do
-    skip unless adapter_is?(:delayed_job, :sidekiq, :que)
+    skip unless adapter_is?(:delayed_job, :sidekiq, :que, :queue_classic)
     delayed_test_job = TestJob.set(wait: 1.minute).perform_later @id
     assert delayed_test_job.provider_job_id, 'Provider job id should by set for delayed jobs by provider'
   end