Update dictionary renderer to include data category

Changelog: changed

lib/gitlab/usage/docs/helper.rb

@@ -51,6 +51,10 @@ module Gitlab
           "Tiers:#{format(:tier, object[:tier])}"
         end
 
+        def render_data_category(object)
+          "Data Category: `#{object[:data_category]}`"
+        end
+
         def format(key, value)
           Gitlab::Usage::Docs::ValueFormatter.format(key, value)
         end

lib/gitlab/usage/docs/templates/default.md.haml

@@ -38,6 +38,9 @@
   = render_yaml_link(object.yaml_path)
   \
   = render_owner(object.attributes)
+  - if object.attributes[:data_category].present?
+    \
+    = render_data_category(object.attributes)
   \
   = render_status(object.attributes)
   \

spec/lib/gitlab/usage/docs/helper_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Gitlab::Usage::Docs::Helper do
+  subject(:helper) { klass.new }
+
+  let_it_be(:klass) do
+    Class.new do
+      include Gitlab::Usage::Docs::Helper
+    end
+  end
+
+  let(:metric_definition) do
+    {
+      data_category: 'Standard',
+      name: 'test_metric',
+      description: description,
+      product_group: 'group::product intelligence',
+      status: 'data_available',
+      tier: %w(free premium)
+    }
+  end
+
+  let(:description) { 'Metric description' }
+
+  describe '#render_name' do
+    it { expect(helper.render_name(metric_definition[:name])).to eq('### `test_metric`') }
+  end
+
+  describe '#render_description' do
+    context 'without description' do
+      let(:description) { nil }
+
+      it { expect(helper.render_description(metric_definition)).to eq('Missing description') }
+    end
+
+    context 'without description' do
+      it { expect(helper.render_description(metric_definition)).to eq('Metric description') }
+    end
+  end
+
+  describe '#render_yaml_link' do
+    let(:yaml_link) { 'config/metrics/license/test_metric.yml' }
+    let(:expected) { "[YAML definition](#{yaml_link})" }
+
+    it { expect(helper.render_yaml_link(yaml_link)).to eq(expected) }
+  end
+
+  describe '#render_status' do
+    let(:expected) { "Status: `data_available`" }
+
+    it { expect(helper.render_status(metric_definition)).to eq(expected) }
+  end
+
+  describe '#render_owner' do
+    let(:expected) { "Group: `group::product intelligence`" }
+
+    it { expect(helper.render_owner(metric_definition)).to eq(expected) }
+  end
+
+  describe '#render_tiers' do
+    let(:expected) { "Tiers: `free`, `premium`" }
+
+    it { expect(helper.render_tiers(metric_definition)).to eq(expected) }
+  end
+
+  describe '#render_data_category' do
+    let(:expected) { 'Data Category: `Standard`' }
+
+    it { expect(helper.render_data_category(metric_definition)).to eq(expected) }
+  end
+
+  describe '#render_owner' do
+    let(:expected) { "Group: `group::product intelligence`" }
+
+    it { expect(helper.render_owner(metric_definition)).to eq(expected) }
+  end
+end