Fix SubmissionFileUpdateJob not being enqueued

CLoses #100

config/application.rb

@@ -35,6 +35,9 @@ class Application < Rails::Application
       },
     }
 
+    # TODO: Remove this
+    config.active_record.run_after_transaction_callbacks_in_order_defined = false
+
     config.action_controller.action_on_unpermitted_parameters = :raise
 
     config.cache_store = :file_store, Rails.root.join("tmp/file_store")

test/model/submission_file_test.rb

@@ -3,6 +3,8 @@
 require "test_helper"
 
 class SubmissionFileTest < ActiveSupport::TestCase
+  include ActiveJob::TestHelper
+
   describe "#original" do
     it "must be attached on create" do
       e = assert_raises(ActiveRecord::RecordInvalid) { create(:submission_file, skip_original_validation: false) }
@@ -21,5 +23,15 @@ class SubmissionFileTest < ActiveSupport::TestCase
       assert_not sm.original.attached?
       assert_predicate(sm, :valid?)
     end
+
+    it "enqueues the update job on create" do
+      create(:submission_file_with_original, file_name: "1.webp")
+      assert_enqueued_jobs 1, only: SubmissionFileUpdateJob
+    end
+
+    it "enqueues nothing if the attachment didn't change" do
+      sm = create(:submission_file_with_original, file_name: "1.webp")
+      assert_no_enqueued_jobs { sm.save }
+    end
   end
 end