Add tests for statistics controller routes

spec/controllers/statistics_controller_spec.rb

@@ -0,0 +1,34 @@
+require 'rails_helper'
+
+describe StatisticsController do
+  let(:user) { FactoryBot.create(:admin) }
+  before(:each) { allow(controller).to receive(:current_user).and_return(user) }
+
+  [:show, :graphs].each do |route|
+    describe "GET ##{route}" do
+      before(:each) { get route }
+
+      expect_status(200)
+      expect_template(route)
+    end
+  end
+
+  [:user_activity_history, :rfc_activity_history].each do |route|
+    describe "GET ##{route}" do
+      before(:each) { get route }
+
+      expect_status(200)
+      expect_template(:activity_history)
+    end
+  end
+
+  [:show, :user_activity, :user_activity_history, :rfc_activity, :rfc_activity_history].each do |route|
+    describe "GET ##{route}.json" do
+      before(:each) { get route, format: :json }
+
+      expect_status(200)
+      expect_json
+    end
+  end
+
+end