Moved AR testing from using global variable to thread variable

activejob/test/cases/job_serialization_test.rb

@@ -4,12 +4,12 @@ require 'models/person'
 
 class JobSerializationTest < ActiveSupport::TestCase
   setup do
-    $BUFFER = []
+    Thread.current[:ajbuffer] = []
     @person = Person.find(5)
   end
 
   test 'serialize job with gid' do
     GidJob.enqueue @person
-    assert_equal "Person with ID: 5", $BUFFER.pop
+    assert_equal "Person with ID: 5", Thread.current[:ajbuffer].pop
   end
 end

activejob/test/cases/logging_test.rb

@@ -23,7 +23,7 @@ class AdapterTest < ActiveSupport::TestCase
 
   def setup
     super
-    $BUFFER = []
+    Thread.current[:ajbuffer] = []
     @old_logger = ActiveJob::Base.logger
     @logger = ActiveSupport::TaggedLogging.new(TestLogger.new)
     set_logger @logger

activejob/test/cases/queuing_test.rb

@@ -5,17 +5,17 @@ require 'active_support/core_ext/numeric/time'
 
 class QueuingTest < ActiveSupport::TestCase
   setup do
-    $BUFFER = []
+    Thread.current[:ajbuffer] = []
   end
 
   test 'run queued job' do
     HelloJob.enqueue
-    assert_equal "David says hello", $BUFFER.pop
+    assert_equal "David says hello", Thread.current[:ajbuffer].pop
   end
 
   test 'run queued job with arguments' do
     HelloJob.enqueue "Jamie"
-    assert_equal "Jamie says hello", $BUFFER.pop
+    assert_equal "Jamie says hello", Thread.current[:ajbuffer].pop
   end
 
   test 'run queued job later' do

activejob/test/cases/rescue_test.rb

@@ -5,13 +5,13 @@ require 'active_support/core_ext/object/inclusion'
 
 class RescueTest < ActiveSupport::TestCase
   setup do
-    $BUFFER = []
+    Thread.current[:ajbuffer] = []
   end
 
   test 'rescue perform exception with retry' do
     job = RescueJob.new
     job.execute(SecureRandom.uuid, "david")
-    assert_equal [ "rescued from ArgumentError", "performed beautifully" ], $BUFFER
+    assert_equal [ "rescued from ArgumentError", "performed beautifully" ], Thread.current[:ajbuffer]
   end
 
   test 'let through unhandled perform exception' do

activejob/test/jobs/gid_job.rb

@@ -1,6 +1,6 @@
 class GidJob < ActiveJob::Base
   def perform(person)
-    $BUFFER << "Person with ID: #{person.id}"
+    Thread.current[:ajbuffer] << "Person with ID: #{person.id}"
   end
 end
 

activejob/test/jobs/hello_job.rb

@@ -1,5 +1,5 @@
 class HelloJob < ActiveJob::Base
   def perform(greeter = "David")
-    $BUFFER << "#{greeter} says hello"
+    Thread.current[:ajbuffer] << "#{greeter} says hello"
   end
 end

activejob/test/jobs/rescue_job.rb

@@ -2,7 +2,7 @@ class RescueJob < ActiveJob::Base
   class OtherError < StandardError; end
 
   rescue_from(ArgumentError) do
-    $BUFFER << "rescued from ArgumentError"
+    Thread.current[:ajbuffer] << "rescued from ArgumentError"
     arguments[0] = "DIFFERENT!"
     retry_now
   end
@@ -14,7 +14,7 @@ class RescueJob < ActiveJob::Base
     when "other"
       raise OtherError
     else
-      $BUFFER << "performed beautifully"
+      Thread.current[:ajbuffer] << "performed beautifully"
     end
   end
 end