1 files changed, 25 insertions, 0 deletions
diff --git a/spec/lib/gitlab/database/consistency_spec.rb b/spec/lib/gitlab/database/consistency_spec.rb
new file mode 100644
index 00000000000..35fa65512ae
--- /dev/null
+++ b/spec/lib/gitlab/database/consistency_spec.rb
@@ -0,0 +1,25 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Gitlab::Database::Consistency do
+  let(:session) do
+    Gitlab::Database::LoadBalancing::Session.current
+  end
+
+  describe '.with_read_consistency' do
+    it 'sticks to primary database' do
+      expect(session).not_to be_using_primary
+
+      block = -> (&control) do
+        described_class.with_read_consistency do
+          expect(session).to be_using_primary
+
+          control.call
+        end
+      end
+
+      expect { |probe| block.call(&probe) }.to yield_control
+    end
+  end
+end