Add metadata and template methods for coverage badge

lib/gitlab/badge/coverage/report.rb

@@ -29,6 +29,14 @@ module Gitlab
           @coverage.to_i
         end
+        def metadata
+          @metadata ||= Coverage::Metadata.new(self)
+        end
+
+        def template
+          @template ||= Coverage::Template.new(self)
+        end
+
         private
         def raw_coverage

spec/lib/gitlab/badge/coverage/report_spec.rb

@@ -14,6 +14,18 @@ describe Gitlab::Badge::Coverage::Report do
     end
   end
+  describe '#metadata' do
+    it 'returns correct metadata' do
+      expect(badge.metadata.image_url).to include 'coverage.svg'
+    end
+  end
+
+  describe '#template' do
+    it 'returns correct template' do
+      expect(badge.template.key_text).to eq 'coverage'
+    end
+  end
+
   shared_examples 'unknown coverage report' do
     context 'particular job specified' do
       let(:job_name) { '' }