1 files changed, 12 insertions, 0 deletions
diff --git a/spec/lib/gitlab/sidekiq_cluster/cli_spec.rb b/spec/lib/gitlab/sidekiq_cluster/cli_spec.rb
index 3dd5ac8ee6c..e818b03cf75 100644
--- a/spec/lib/gitlab/sidekiq_cluster/cli_spec.rb
+++ b/spec/lib/gitlab/sidekiq_cluster/cli_spec.rb
@@ -48,6 +48,18 @@ RSpec.describe Gitlab::SidekiqCluster::CLI do
         cli.run(%w(*))
       end
 
+      it 'raises an error when the arguments contain newlines' do
+        invalid_arguments = [
+          ["foo\n"],
+          ["foo\r"],
+          %W[foo b\nar]
+        ]
+
+        invalid_arguments.each do |arguments|
+          expect { cli.run(arguments) }.to raise_error(described_class::CommandError)
+        end
+      end
+
       context 'with --negate flag' do
         it 'starts Sidekiq workers for all queues in all_queues.yml except the ones in argv' do
           expect(Gitlab::SidekiqConfig::CliMethods).to receive(:worker_queues).and_return(['baz'])