1 files changed, 51 insertions, 0 deletions
diff --git a/activerecord/test/cases/subscriber_test.rb b/activerecord/test/cases/subscriber_test.rb
new file mode 100644
index 0000000000..f569d64ee5
--- /dev/null
+++ b/activerecord/test/cases/subscriber_test.rb
@@ -0,0 +1,51 @@
+require "cases/helper"
+require "models/developer"
+require "rails/subscriber/test_helper"
+require "active_record/railties/subscriber"
+
+module SubscriberTest
+  Rails::Subscriber.add(:active_record, ActiveRecord::Railties::Subscriber.new)
+
+  def super
+    @old_logger = ActiveRecord::Base.logger
+    super
+  end
+
+  def teardown
+    super
+    ActiveRecord::Base.logger = @old_logger
+  end
+
+  def set_logger(logger)
+    ActiveRecord::Base.logger = @logger
+  end
+
+  def test_basic_query_logging
+    Developer.all
+    wait
+    assert_equal 1, @logger.logged(:debug).size
+    assert_match /Developer Load/, @logger.logged(:debug).last
+    assert_match /SELECT \* FROM "developers"/, @logger.logged(:debug).last
+  end
+
+  def test_cached_queries
+    ActiveRecord::Base.cache do
+      Developer.all
+      Developer.all
+    end
+    wait
+    assert_equal 2, @logger.logged(:debug).size
+    assert_match /CACHE/, @logger.logged(:debug).last
+    assert_match /SELECT \* FROM "developers"/, @logger.logged(:debug).last
+  end
+
+  class SyncSubscriberTest < ActiveSupport::TestCase
+    include Rails::Subscriber::SyncTestHelper
+    include SubscriberTest
+  end
+
+  class AsyncSubscriberTest < ActiveSupport::TestCase
+    include Rails::Subscriber::AsyncTestHelper
+    include SubscriberTest
+  end
+end
+\ No newline at end of file