1 files changed, 30 insertions, 0 deletions
diff --git a/spec/services/projects/all_merge_requests_count_service_spec.rb b/spec/services/projects/all_merge_requests_count_service_spec.rb
new file mode 100644
index 00000000000..13954d688aa
--- /dev/null
+++ b/spec/services/projects/all_merge_requests_count_service_spec.rb
@@ -0,0 +1,30 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Projects::AllMergeRequestsCountService, :use_clean_rails_memory_store_caching do
+  let_it_be(:project) { create(:project) }
+
+  subject { described_class.new(project) }
+
+  it_behaves_like 'a counter caching service'
+
+  describe '#count' do
+    it 'returns the number of all merge requests' do
+      create(:merge_request,
+             :opened,
+             source_project: project,
+             target_project: project)
+      create(:merge_request,
+             :closed,
+             source_project: project,
+             target_project: project)
+      create(:merge_request,
+             :merged,
+             source_project: project,
+             target_project: project)
+
+      expect(subject.count).to eq(3)
+    end
+  end
+end