Pass job.id to the executing job as provider_job_id for access within perform() (#529)

* Pass job.id to the executing job as provider_job_id for access within perform()

* Use a string instead of a symbol for provider_job_id

* Add a test for the provision of provider_job_id within job execution environment

Author: brendon

app/models/solid_queue/claimed_execution.rb

@@ -92,7 +92,7 @@ def failed_with(error)
 
   private
     def execute
-      ActiveJob::Base.execute(job.arguments)
+      ActiveJob::Base.execute(job.arguments.merge("provider_job_id" => job.id))
       Result.new(true, nil)
     rescue Exception => e
       Result.new(false, e)

test/dummy/app/jobs/provider_job_id_job.rb

@@ -0,0 +1,5 @@
+class ProviderJobIdJob < ApplicationJob
+  def perform
+    JobBuffer.add "provider_job_id: #{provider_job_id}"
+  end
+end

test/models/solid_queue/claimed_execution_test.rb

@@ -73,6 +73,14 @@ class SolidQueue::ClaimedExecutionTest < ActiveSupport::TestCase
     assert job.reload.failed?
   end
 
+  test "provider_job_id is available within job execution" do
+    job = ProviderJobIdJob.perform_later
+    claimed_execution = prepare_and_claim_job job
+    claimed_execution.perform
+
+    assert_equal "provider_job_id: #{job.provider_job_id}", JobBuffer.last_value
+  end
+
   private
     def prepare_and_claim_job(active_job, process: @process)
       job = SolidQueue::Job.find_by(active_job_id: active_job.job_id)