1 files changed, 150 insertions, 0 deletions
diff --git a/spec/tooling/danger/product_intelligence_spec.rb b/spec/tooling/danger/product_intelligence_spec.rb
new file mode 100644
index 00000000000..17ef67e64fe
--- /dev/null
+++ b/spec/tooling/danger/product_intelligence_spec.rb
@@ -0,0 +1,150 @@
+# frozen_string_literal: true
+
+require 'gitlab-dangerfiles'
+require 'gitlab/dangerfiles/spec_helper'
+
+require_relative '../../../tooling/danger/product_intelligence'
+require_relative '../../../tooling/danger/project_helper'
+
+RSpec.describe Tooling::Danger::ProductIntelligence do
+  include_context "with dangerfile"
+
+  subject(:product_intelligence) { fake_danger.new(helper: fake_helper) }
+
+  let(:fake_danger) { DangerSpecHelper.fake_danger.include(described_class) }
+  let(:changed_files) { ['metrics/counts_7d/test_metric.yml', 'doc/development/usage_ping/dictionary.md'] }
+  let(:changed_lines) { ['+tier: ee'] }
+
+  before do
+    allow(fake_helper).to receive(:all_changed_files).and_return(changed_files)
+    allow(fake_helper).to receive(:changed_lines).and_return(changed_lines)
+  end
+
+  describe '#need_dictionary_changes?' do
+    subject { product_intelligence.need_dictionary_changes? }
+
+    context 'when changed files do not contain dictionary changes' do
+      let(:changed_files) { ['config/metrics/counts_7d/test_metric.yml'] }
+
+      it { is_expected.to be true }
+    end
+
+    context 'when changed files already contains dictionary changes' do
+      let(:changed_files) { ['doc/development/usage_ping/dictionary.md'] }
+
+      it { is_expected.to be false }
+    end
+  end
+
+  describe '#missing_labels' do
+    subject { product_intelligence.missing_labels }
+
+    let(:ci_env) { true }
+
+    before do
+      allow(fake_helper).to receive(:mr_has_labels?).and_return(false)
+      allow(fake_helper).to receive(:ci?).and_return(ci_env)
+    end
+
+    context 'with ci? false' do
+      let(:ci_env) { false }
+
+      it { is_expected.to be_empty }
+    end
+
+    context 'with ci? true' do
+      let(:expected_labels) { ['product intelligence', 'product intelligence::review pending'] }
+
+      it { is_expected.to match_array(expected_labels) }
+    end
+
+    context 'with product intelligence label' do
+      let(:expected_labels) { ['product intelligence::review pending'] }
+
+      before do
+        allow(fake_helper).to receive(:mr_has_labels?).with('product intelligence').and_return(true)
+      end
+
+      it { is_expected.to match_array(expected_labels) }
+    end
+
+    context 'with product intelligence::review pending' do
+      before do
+        allow(fake_helper).to receive(:mr_has_labels?).and_return(true)
+      end
+
+      it { is_expected.to be_empty }
+    end
+  end
+
+  describe '#matching_changed_files' do
+    subject { product_intelligence.matching_changed_files }
+
+    let(:changed_files) do
+      [
+        'dashboard/todos_controller.rb',
+        'components/welcome.vue',
+        'admin/groups/_form.html.haml'
+      ]
+    end
+
+    context 'with snowplow files changed' do
+      context 'when vue file changed' do
+        let(:changed_lines) { ['+data-track-event'] }
+
+        it { is_expected.to match_array(['components/welcome.vue']) }
+      end
+
+      context 'when haml file changed' do
+        let(:changed_lines) { ['+ data: { track_label:'] }
+
+        it { is_expected.to match_array(['admin/groups/_form.html.haml']) }
+      end
+
+      context 'when ruby file changed' do
+        let(:changed_lines) { ['+ Gitlab::Tracking.event'] }
+        let(:changed_files) { ['dashboard/todos_controller.rb', 'admin/groups/_form.html.haml'] }
+
+        it { is_expected.to match_array(['dashboard/todos_controller.rb']) }
+      end
+    end
+
+    context 'with dictionary file not changed' do
+      it { is_expected.to be_empty }
+    end
+
+    context 'with metrics files changed' do
+      let(:changed_files) { ['config/metrics/counts_7d/test_metric.yml', 'ee/config/metrics/counts_7d/ee_metric.yml'] }
+
+      it { is_expected.to match_array(changed_files) }
+    end
+
+    context 'with metrics files not changed' do
+      it { is_expected.to be_empty }
+    end
+
+    context 'with tracking files changed' do
+      let(:changed_files) do
+        [
+          'lib/gitlab/tracking.rb',
+          'spec/lib/gitlab/tracking_spec.rb',
+          'app/helpers/tracking_helper.rb'
+        ]
+      end
+
+      it { is_expected.to match_array(changed_files) }
+    end
+
+    context 'with usage_data files changed' do
+      let(:changed_files) do
+        [
+          'doc/api/usage_data.md',
+          'ee/lib/ee/gitlab/usage_data.rb',
+          'spec/lib/gitlab/usage_data_spec.rb'
+        ]
+      end
+
+      it { is_expected.to match_array(changed_files) }
+    end
+  end
+end