1 files changed, 47 insertions, 0 deletions
diff --git a/spec/graphql/resolvers/admin/analytics/instance_statistics/measurements_resolver_spec.rb b/spec/graphql/resolvers/admin/analytics/instance_statistics/measurements_resolver_spec.rb
new file mode 100644
index 00000000000..76854be2daa
--- /dev/null
+++ b/spec/graphql/resolvers/admin/analytics/instance_statistics/measurements_resolver_spec.rb
@@ -0,0 +1,47 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Resolvers::Admin::Analytics::InstanceStatistics::MeasurementsResolver do
+  include GraphqlHelpers
+
+  describe '#resolve' do
+    let_it_be(:user) { create(:user) }
+    let_it_be(:admin_user) { create(:user, :admin) }
+
+    let_it_be(:project_measurement_new) { create(:instance_statistics_measurement, :project_count, recorded_at: 2.days.ago) }
+    let_it_be(:project_measurement_old) { create(:instance_statistics_measurement, :project_count, recorded_at: 10.days.ago) }
+
+    subject { resolve_measurements({ identifier: 'projects' }, { current_user: current_user }) }
+
+    context 'when requesting project count measurements' do
+      context 'as an admin user' do
+        let(:current_user) { admin_user }
+
+        it 'returns the records, latest first' do
+          expect(subject).to eq([project_measurement_new, project_measurement_old])
+        end
+      end
+
+      context 'as a non-admin user' do
+        let(:current_user) { user }
+
+        it 'raises ResourceNotAvailable error' do
+          expect { subject }.to raise_error(Gitlab::Graphql::Errors::ResourceNotAvailable)
+        end
+      end
+
+      context 'as an unauthenticated user' do
+        let(:current_user) { nil }
+
+        it 'raises ResourceNotAvailable error' do
+          expect { subject }.to raise_error(Gitlab::Graphql::Errors::ResourceNotAvailable)
+        end
+      end
+    end
+  end
+
+  def resolve_measurements(args = {}, context = {})
+    resolve(described_class, args: args, ctx: context)
+  end
+end