Migrates Snowplow backend from EE to CE

This introduces several changes, but these are all just ported from the
EE project.

1 files changed, 45 insertions, 0 deletions

diff --git a/spec/lib/gitlab/snowplow_tracker_spec.rb b/spec/lib/gitlab/snowplow_tracker_spec.rb
new file mode 100644
index 00000000000..073a33e5973
--- /dev/null
+++ b/spec/lib/gitlab/snowplow_tracker_spec.rb
@@ -0,0 +1,45 @@
+# frozen_string_literal: true
+require 'spec_helper'
+
+describe Gitlab::SnowplowTracker do
+  let(:timestamp) { Time.utc(2017, 3, 22) }
+
+  around do |example|
+    Timecop.freeze(timestamp) { example.run }
+  end
+
+  subject { described_class.track_event('epics', 'action', property: 'what', value: 'doit') }
+
+  context '.track_event' do
+    context 'when Snowplow tracker is disabled' do
+      it 'does not track the event' do
+        expect(SnowplowTracker::Tracker).not_to receive(:new)
+
+        subject
+      end
+    end
+
+    context 'when Snowplow tracker is enabled' do
+      before do
+        stub_application_setting(snowplow_enabled: true)
+        stub_application_setting(snowplow_site_id: 'awesome gitlab')
+        stub_application_setting(snowplow_collector_hostname: 'url.com')
+      end
+
+      it 'tracks the event' do
+        tracker = double
+
+        expect(::SnowplowTracker::Tracker).to receive(:new)
+          .with(
+            an_instance_of(::SnowplowTracker::Emitter),
+            an_instance_of(::SnowplowTracker::Subject),
+            'cf', 'awesome gitlab'
+          ).and_return(tracker)
+        expect(tracker).to receive(:track_struct_event)
+          .with('epics', 'action', nil, 'what', 'doit', nil, timestamp.to_i)
+
+        subject
+      end
+    end
+  end
+end