Cast values to strings before escaping them

This ensures that e.g. line numbers used in tags are first casted to
strings.

1 files changed, 4 insertions, 0 deletions

diff --git a/spec/workers/metrics_worker_spec.rb b/spec/workers/metrics_worker_spec.rb
index 0d12516c1a3..f5650494c7c 100644
--- a/spec/workers/metrics_worker_spec.rb
+++ b/spec/workers/metrics_worker_spec.rb
@@ -36,5 +36,9 @@ describe MetricsWorker do
     it 'escapes an equals sign' do
       expect(worker.escape_value('foo=')).to eq('foo\\=')
     end
+
+    it 'casts values to Strings' do
+      expect(worker.escape_value(10)).to eq('10')
+    end
   end
 end