From 66cc0e768fb092dbcd12feb3387c2a22e4cbeb37 Mon Sep 17 00:00:00 2001
From: Gannon McGibbon <gannon.mcgibbon@gmail.com>
Date: Wed, 16 Jan 2019 19:02:23 -0500
Subject: [PATCH] Seed database with inline ActiveJob job adapter

---
 railties/CHANGELOG.md                 |  4 ++++
 railties/lib/rails/engine.rb          | 14 +++++++++++++-
 railties/test/railties/engine_test.rb | 12 ++++++++++++
 3 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/railties/CHANGELOG.md b/railties/CHANGELOG.md
index 9c7e958b7c..1d37707c62 100644
--- a/railties/CHANGELOG.md
+++ b/railties/CHANGELOG.md
@@ -1,3 +1,7 @@
+*   Seed database with inline ActiveJob job adapter.
+
+    *Gannon McGibbon*
+
 *   Add `rails db:system:change` command for changing databases.
 
     ```
diff --git a/railties/lib/rails/engine.rb b/railties/lib/rails/engine.rb
index 6a13a84108..f768c30db0 100644
--- a/railties/lib/rails/engine.rb
+++ b/railties/lib/rails/engine.rb
@@ -548,7 +548,7 @@ module Rails
     # Blog::Engine.load_seed
     def load_seed
       seed_file = paths["db/seeds.rb"].existent.first
-      load(seed_file) if seed_file
+      with_inline_jobs { load(seed_file) } if seed_file
     end
 
     # Add configured load paths to Ruby's load path, and remove duplicate entries.
@@ -658,6 +658,18 @@ module Rails
         end
       end
 
+      def with_inline_jobs
+        queue_adapter = config.active_job.queue_adapter
+        ActiveSupport.on_load(:active_job) do
+          self.queue_adapter = :inline
+        end
+        yield
+      ensure
+        ActiveSupport.on_load(:active_job) do
+          self.queue_adapter = queue_adapter
+        end
+      end
+
       def has_migrations?
         paths["db/migrate"].existent.any?
       end
diff --git a/railties/test/railties/engine_test.rb b/railties/test/railties/engine_test.rb
index e62e8c8b44..508367212b 100644
--- a/railties/test/railties/engine_test.rb
+++ b/railties/test/railties/engine_test.rb
@@ -879,6 +879,18 @@ YAML
       assert Bukkits::Engine.config.bukkits_seeds_loaded
     end
 
+    test "jobs are ran inline while loading seeds" do
+      app_file "db/seeds.rb", <<-RUBY
+        Rails.application.config.seed_queue_adapter = ActiveJob::Base.queue_adapter
+      RUBY
+
+      boot_rails
+      Rails.application.load_seed
+
+      assert_instance_of ActiveJob::QueueAdapters::InlineAdapter, Rails.application.config.seed_queue_adapter
+      assert_instance_of ActiveJob::QueueAdapters::AsyncAdapter, ActiveJob::Base.queue_adapter
+    end
+
     test "skips nonexistent seed data" do
       FileUtils.rm "#{app_path}/db/seeds.rb"
       boot_rails