1 files changed, 63 insertions, 0 deletions
diff --git a/spec/lib/gitlab/usage_data_counters/vs_code_extenion_activity_unique_counter_spec.rb b/spec/lib/gitlab/usage_data_counters/vs_code_extenion_activity_unique_counter_spec.rb
new file mode 100644
index 00000000000..7593d51fe76
--- /dev/null
+++ b/spec/lib/gitlab/usage_data_counters/vs_code_extenion_activity_unique_counter_spec.rb
@@ -0,0 +1,63 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.shared_examples 'a tracked vs code unique action' do |event|
+  before do
+    stub_application_setting(usage_ping_enabled: true)
+  end
+
+  def count_unique(date_from:, date_to:)
+    Gitlab::UsageDataCounters::HLLRedisCounter.unique_events(event_names: action, start_date: date_from, end_date: date_to)
+  end
+
+  it 'tracks when the user agent is from vs code' do
+    aggregate_failures do
+      user_agent = { user_agent: 'vs-code-gitlab-workflow/3.11.1 VSCode/1.52.1 Node.js/12.14.1 (darwin; x64)' }
+
+      expect(track_action(user: user1, **user_agent)).to be_truthy
+      expect(track_action(user: user1, **user_agent)).to be_truthy
+      expect(track_action(user: user2, **user_agent)).to be_truthy
+
+      expect(count_unique(date_from: time - 1.week, date_to: time + 1.week)).to eq(2)
+    end
+  end
+
+  it 'does not track when the user agent is not from vs code' do
+    aggregate_failures do
+      user_agent = { user_agent: 'normal_user_agent' }
+
+      expect(track_action(user: user1, **user_agent)).to be_falsey
+      expect(track_action(user: user1, **user_agent)).to be_falsey
+      expect(track_action(user: user2, **user_agent)).to be_falsey
+
+      expect(count_unique(date_from: time - 1.week, date_to: time + 1.week)).to eq(0)
+    end
+  end
+
+  it 'does not track if user agent is not present' do
+    expect(track_action(user: nil, user_agent: nil)).to be_nil
+  end
+
+  it 'does not track if user is not present' do
+    user_agent = { user_agent: 'vs-code-gitlab-workflow/3.11.1 VSCode/1.52.1 Node.js/12.14.1 (darwin; x64)' }
+
+    expect(track_action(user: nil, **user_agent)).to be_nil
+  end
+end
+
+RSpec.describe Gitlab::UsageDataCounters::VSCodeExtensionActivityUniqueCounter, :clean_gitlab_redis_shared_state do
+  let(:user1) { build(:user, id: 1) }
+  let(:user2) { build(:user, id: 2) }
+  let(:time) { Time.current }
+
+  context 'when tracking a vs code api request' do
+    it_behaves_like 'a tracked vs code unique action' do
+      let(:action) { described_class::VS_CODE_API_REQUEST_ACTION }
+
+      def track_action(params)
+        described_class.track_api_request_when_trackable(**params)
+      end
+    end
+  end
+end