1 files changed, 48 insertions, 0 deletions
diff --git a/spec/services/users/activity_service_spec.rb b/spec/services/users/activity_service_spec.rb
new file mode 100644
index 00000000000..8d67ebe3231
--- /dev/null
+++ b/spec/services/users/activity_service_spec.rb
@@ -0,0 +1,48 @@
+require 'spec_helper'
+
+describe Users::ActivityService, services: true do
+  include UserActivitiesHelpers
+
+  let(:user) { create(:user) }
+
+  subject(:service) { described_class.new(user, 'type') }
+
+  describe '#execute', :redis do
+    context 'when last activity is nil' do
+      before do
+        service.execute
+      end
+
+      it 'sets the last activity timestamp for the user' do
+        expect(last_hour_user_ids).to eq([user.id])
+      end
+
+      it 'updates the same user' do
+        service.execute
+
+        expect(last_hour_user_ids).to eq([user.id])
+      end
+
+      it 'updates the timestamp of an existing user' do
+        Timecop.freeze(Date.tomorrow) do
+          expect { service.execute }.to change { user_activity(user) }.to(Time.now.to_i.to_s)
+        end
+      end
+
+      describe 'other user' do
+        it 'updates other user' do
+          other_user = create(:user)
+          described_class.new(other_user, 'type').execute
+
+          expect(last_hour_user_ids).to match_array([user.id, other_user.id])
+        end
+      end
+    end
+  end
+
+  def last_hour_user_ids
+    Gitlab::UserActivities.new.
+      select { |k, v| v >= 1.hour.ago.to_i.to_s }.
+      map { |k, _| k.to_i }
+  end
+end