From dca493dd3f051bad894bded0171a4f953973e38e Mon Sep 17 00:00:00 2001
From: Willian Tenfen W <tw.willian@gmail.com>
Date: Tue, 26 Nov 2024 22:00:48 -0300
Subject: [PATCH] Fix undefined method 'close' when config.backlog is set to
 false

---
 lib/airbrake-ruby/sync_sender.rb | 2 ++
 spec/sync_sender_spec.rb         | 7 +++++++
 2 files changed, 9 insertions(+)

diff --git a/lib/airbrake-ruby/sync_sender.rb b/lib/airbrake-ruby/sync_sender.rb
index 7d345c1b..38961593 100644
--- a/lib/airbrake-ruby/sync_sender.rb
+++ b/lib/airbrake-ruby/sync_sender.rb
@@ -66,6 +66,8 @@ def send(data, promise, endpoint = @config.error_endpoint)
     # @return [void]
     # @since v6.2.0
     def close
+      return unless @backlog
+
       @backlog.close
     end
 
diff --git a/spec/sync_sender_spec.rb b/spec/sync_sender_spec.rb
index d88a7959..2248af7b 100644
--- a/spec/sync_sender_spec.rb
+++ b/spec/sync_sender_spec.rb
@@ -204,5 +204,12 @@
       sync_sender.close
       expect(mock_backlog).to have_received(:close)
     end
+
+    it "doesn't error when config.backlog is false" do
+      Airbrake::Config.instance.merge(backlog: false)
+
+      sync_sender.close
+      expect(mock_backlog).not_to have_received(:close)
+    end
   end
 end