1 files changed, 27 insertions, 0 deletions
diff --git a/rubocop/cop/sidekiq_options_queue.rb b/rubocop/cop/sidekiq_options_queue.rb
new file mode 100644
index 00000000000..43b35ba0214
--- /dev/null
+++ b/rubocop/cop/sidekiq_options_queue.rb
@@ -0,0 +1,27 @@
+require_relative '../spec_helpers'
+
+module RuboCop
+  module Cop
+    # Cop that prevents manually setting a queue in Sidekiq workers.
+    class SidekiqOptionsQueue < RuboCop::Cop::Cop
+      include SpecHelpers
+
+      MSG = 'Do not manually set a queue; `ApplicationWorker` sets one automatically.'.freeze
+
+      def_node_matcher :sidekiq_options?, <<~PATTERN
+        (send nil :sidekiq_options $...)
+      PATTERN
+
+      def on_send(node)
+        return if in_spec?(node)
+        return unless sidekiq_options?(node)
+
+        node.arguments.first.each_node(:pair) do |pair|
+          key_name = pair.key.children[0]
+
+          add_offense(pair, :expression) if key_name == :queue
+        end
+      end
+    end
+  end
+end