Update ActiveJob adapter for sucker_punch 2.0

This PR includes two changes for 2.0.0:

- Breaking API change around `async.perform` --> `perform_async`
- New addition of `perform_in`, which now allows end users of the
  adapter to use the `enqueued_at` public API method.

2 files changed, 14 insertions, 3 deletions

diff --git a/activejob/lib/active_job/queue_adapters.rb b/activejob/lib/active_job/queue_adapters.rb
index aeb1fe1e73..2c5039ef4d 100644
--- a/activejob/lib/active_job/queue_adapters.rb
+++ b/activejob/lib/active_job/queue_adapters.rb
@@ -27,7 +27,7 @@ module ActiveJob
   #   | Resque            | Yes   | Yes    | Yes (Gem)  | Queue      | Global  | Yes     |
   #   | Sidekiq           | Yes   | Yes    | Yes        | Queue      | No      | Job     |
   #   | Sneakers          | Yes   | Yes    | No         | Queue      | Queue   | No      |
-  #   | Sucker Punch      | Yes   | Yes    | No         | No         | No      | No      |
+  #   | Sucker Punch      | Yes   | Yes    | Yes        | No         | No      | No      |
   #   | Active Job Async  | Yes   | Yes    | Yes        | No         | No      | No      |
   #   | Active Job Inline | No    | Yes    | N/A        | N/A        | N/A     | N/A     |
   #
diff --git a/activejob/lib/active_job/queue_adapters/sucker_punch_adapter.rb b/activejob/lib/active_job/queue_adapters/sucker_punch_adapter.rb
index c6c35f8ab4..1037084341 100644
--- a/activejob/lib/active_job/queue_adapters/sucker_punch_adapter.rb
+++ b/activejob/lib/active_job/queue_adapters/sucker_punch_adapter.rb
@@ -19,11 +19,22 @@ module ActiveJob
     #   Rails.application.config.active_job.queue_adapter = :sucker_punch
     class SuckerPunchAdapter
       def enqueue(job) #:nodoc:
-        JobWrapper.new.async.perform job.serialize
+        if JobWrapper.respond_to?(:perform_async)
+          # sucker_punch 2.0 API
+          JobWrapper.perform_async job.serialize
+        else
+          # sucker_punch 1.0 API
+          JobWrapper.new.async.perform job.serialize
+        end
       end
 
       def enqueue_at(job, timestamp) #:nodoc:
-        raise NotImplementedError, "This queueing backend does not support scheduling jobs. To see what features are supported go to http://api.rubyonrails.org/classes/ActiveJob/QueueAdapters.html"
+        if JobWrapper.respond_to?(:perform_in)
+          delay = timestamp - Time.current.to_f
+          JobWrapper.perform_in delay, job.serialize
+        else
+          raise NotImplementedError, 'sucker_punch 1.0 does not support `enqueued_at`. Please upgrade to version ~> 2.0.0 to enable this behavior.'
+        end
       end
 
       class JobWrapper #:nodoc: