fixup! WIP: Setup code coverage for storefront

Author: adammathys

storefront/lib/testing_support/coverage.rb

@@ -12,6 +12,23 @@
     SimpleCov.formatter = SimpleCov::Formatter::CoberturaFormatter
   end
 
+  def (SimpleCov::ResultAdapter).call(result)
+    result = result.transform_keys do |path|
+      template_path = path.sub(
+        "#{SimpleCov.root}/",
+        "#{SimpleCov.root}/../storefront/templates/"
+      )
+      File.exist?(template_path) ? template_path : path
+    end
+    result.each do |path, coverage|
+      next unless path.end_with?(".erb")
+
+      # Remove the extra trailing lines added by ERB
+      coverage[:lines] = coverage[:lines][...File.read(path).lines.size]
+    end
+    result
+  end
+
   SimpleCov.command_name("solidus:storefront")
   SimpleCov.merge_timeout(3600)
   SimpleCov.start("rails")