1 files changed, 21 insertions, 0 deletions
diff --git a/spec/services/milestones/merge_requests_count_service_spec.rb b/spec/services/milestones/merge_requests_count_service_spec.rb
new file mode 100644
index 00000000000..aecc7d5ef52
--- /dev/null
+++ b/spec/services/milestones/merge_requests_count_service_spec.rb
@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Milestones::MergeRequestsCountService, :use_clean_rails_memory_store_caching do
+  let_it_be(:project) { create(:project, :empty_repo) }
+  let_it_be(:milestone) { create(:milestone, project: project) }
+
+  before_all do
+    create(:merge_request, milestone: milestone, source_project: project)
+    create(:merge_request, :closed, milestone: milestone, source_project: project)
+  end
+
+  subject { described_class.new(milestone) }
+
+  it_behaves_like 'a counter caching service'
+
+  it 'counts all merge requests' do
+    expect(subject.count).to eq(2)
+  end
+end