CLDC-2862: check cookies page still viewable in MM

spec/requests/cookies_controller_spec.rb

@@ -0,0 +1,42 @@
+require "rails_helper"
+
+RSpec.describe CookiesController, type: :request do
+  let(:headers) { { "Accept" => "text/html" } }
+  let(:page) { Capybara::Node::Simple.new(response.body) }
+
+  describe "when maintenance mode is disabled" do
+    describe "render cookies page" do
+      before do
+        get "/cookies", headers:, params: {}
+      end
+
+      it "returns a 200" do
+        expect(response).to have_http_status(:success)
+      end
+
+      it "returns the page" do
+        expect(page).to have_title("Cookies")
+      end
+    end
+  end
+
+  describe "when maintenance mode is enabled" do
+    before do
+      allow(FeatureToggle).to receive(:maintenance_mode_enabled?).and_return(true)
+    end
+
+    describe "render cookies page" do
+      before do
+        get "/cookies", headers:, params: {}
+      end
+
+      it "returns a 200" do
+        expect(response).to have_http_status(:success)
+      end
+
+      it "returns the page" do
+        expect(page).to have_title("Cookies")
+      end
+    end
+  end
+end