Add interruption adapter for GoodJob

lib/job-iteration/interruption_adapters.rb

@@ -4,7 +4,7 @@
 
 module JobIteration
   module InterruptionAdapters
-    BUNDLED_ADAPTERS = [:resque, :sidekiq].freeze # @api private
+    BUNDLED_ADAPTERS = [:good_job, :resque, :sidekiq].freeze # @api private
 
     class << self
       # Returns adapter for specified name.

lib/job-iteration/interruption_adapters/good_job_adapter.rb

@@ -0,0 +1,28 @@
+# frozen_string_literal: true
+
+begin
+  require "good_job"
+rescue LoadError
+  # GoodJob is not available, no need to load the adapter
+  return
+end
+
+module JobIteration
+  module InterruptionAdapters
+    module GoodJobAdapter
+      class << self
+        attr_accessor :stopping
+
+        def call
+          stopping
+        end
+      end
+
+      ActiveSupport::Notifications.subscribe("scheduler_shutdown_start.good_job") do
+        GoodJobAdapter.stopping = true
+      end
+    end
+
+    register(:good_job, GoodJobAdapter)
+  end
+end

test/integration/interruption_adapters_test.rb

@@ -36,7 +36,8 @@ class InterruptionAdaptersTest < ActiveSupport::TestCase
     ruby = <<~RUBY
       require 'bundler/setup'
       require 'job-iteration'
-      JobIteration::InterruptionAdapters::BUNDLED_ADAPTERS.each do |name|
+      # The adapter for GoodJob cannot be easily tested at the moment.
+      JobIteration::InterruptionAdapters::BUNDLED_ADAPTERS.excluding(:good_job).each do |name|
         JobIteration::InterruptionAdapters.lookup(name)
       end
     RUBY