1 files changed, 86 insertions, 0 deletions
diff --git a/actionmailer/test/legacy_delivery_job_test.rb b/actionmailer/test/legacy_delivery_job_test.rb
new file mode 100644
index 0000000000..112c842beb
--- /dev/null
+++ b/actionmailer/test/legacy_delivery_job_test.rb
@@ -0,0 +1,86 @@
+# frozen_string_literal: true
+
+require "abstract_unit"
+require "active_job"
+require "mailers/params_mailer"
+require "mailers/delayed_mailer"
+
+class LegacyDeliveryJobTest < ActiveSupport::TestCase
+  include ActiveJob::TestHelper
+
+  class LegacyDeliveryJob < ActionMailer::DeliveryJob
+  end
+
+  class LegacyParmeterizedDeliveryJob < ActionMailer::Parameterized::DeliveryJob
+  end
+
+  setup do
+    @previous_logger = ActiveJob::Base.logger
+    ActiveJob::Base.logger = Logger.new(nil)
+
+    @previous_delivery_method = ActionMailer::Base.delivery_method
+    ActionMailer::Base.delivery_method = :test
+
+    @previous_deliver_later_queue_name = ActionMailer::Base.deliver_later_queue_name
+    ActionMailer::Base.deliver_later_queue_name = :test_queue
+  end
+
+  teardown do
+    ActiveJob::Base.logger = @previous_logger
+    ParamsMailer.deliveries.clear
+
+    ActionMailer::Base.delivery_method = @previous_delivery_method
+    ActionMailer::Base.deliver_later_queue_name = @previous_deliver_later_queue_name
+  end
+
+  test "should send parameterized mail correctly" do
+    mail = ParamsMailer.with(inviter: "david@basecamp.com", invitee: "jason@basecamp.com").invitation
+    args = [
+      "ParamsMailer",
+      "invitation",
+      "deliver_now",
+      { inviter: "david@basecamp.com", invitee: "jason@basecamp.com" },
+    ]
+
+    with_delivery_job(LegacyParmeterizedDeliveryJob) do
+      assert_deprecated do
+        assert_performed_with(job: LegacyParmeterizedDeliveryJob, args: args) do
+          mail.deliver_later
+        end
+      end
+    end
+  end
+
+  test "should send mail correctly" do
+    mail = DelayedMailer.test_message(1, 2, 3)
+    args = [
+      "DelayedMailer",
+      "test_message",
+      "deliver_now",
+      1,
+      2,
+      3,
+    ]
+
+    with_delivery_job(LegacyDeliveryJob) do
+      assert_deprecated do
+        assert_performed_with(job: LegacyDeliveryJob, args: args) do
+          mail.deliver_later
+        end
+      end
+    end
+  end
+
+  private
+
+    def with_delivery_job(job)
+      old_params_delivery_job = ParamsMailer.delivery_job
+      old_regular_delivery_job = DelayedMailer.delivery_job
+      ParamsMailer.delivery_job = job
+      DelayedMailer.delivery_job = job
+      yield
+    ensure
+      ParamsMailer.delivery_job = old_params_delivery_job
+      DelayedMailer.delivery_job = old_regular_delivery_job
+    end
+end