1 files changed, 45 insertions, 0 deletions
diff --git a/spec/graphql/resolvers/merge_requests_count_resolver_spec.rb b/spec/graphql/resolvers/merge_requests_count_resolver_spec.rb
new file mode 100644
index 00000000000..da177da93a6
--- /dev/null
+++ b/spec/graphql/resolvers/merge_requests_count_resolver_spec.rb
@@ -0,0 +1,45 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Resolvers::MergeRequestsCountResolver do
+  include GraphqlHelpers
+
+  describe '#resolve' do
+    let_it_be(:user) { create(:user) }
+    let_it_be(:project1) { create(:project, :repository, :public) }
+    let_it_be(:project2) { create(:project, :repository, repository_access_level: ProjectFeature::PRIVATE) }
+    let_it_be(:issue) { create(:issue, project: project1) }
+    let_it_be(:merge_request_closing_issue1) { create(:merge_requests_closing_issues, issue: issue) }
+    let_it_be(:merge_request_closing_issue2) do
+      merge_request = create(:merge_request, source_project: project2)
+      create(:merge_requests_closing_issues, issue: issue, merge_request: merge_request)
+    end
+
+    specify do
+      expect(described_class).to have_nullable_graphql_type(GraphQL::Types::Int)
+    end
+
+    subject { batch_sync { resolve_merge_requests_count(issue) } }
+
+    context "when user can only view an issue's closing merge requests that are public" do
+      it 'returns the count of the merge requests closing the issue' do
+        expect(subject).to eq(1)
+      end
+    end
+
+    context "when user can view an issue's closing merge requests that are both public and private" do
+      before do
+        project2.add_reporter(user)
+      end
+
+      it 'returns the count of the merge requests closing the issue' do
+        expect(subject).to eq(2)
+      end
+    end
+  end
+
+  def resolve_merge_requests_count(obj)
+    resolve(described_class, obj: obj, ctx: { current_user: user })
+  end
+end