Cache InfluxDB settings after the first use

This ensures we don't need to load anything from either PostgreSQL or
the Rails cache whenever creating new InfluxDB connections.

1 files changed, 3 insertions, 9 deletions

diff --git a/spec/lib/gitlab/metrics_spec.rb b/spec/lib/gitlab/metrics_spec.rb
index 6c0682cac4d..c2924708f44 100644
--- a/spec/lib/gitlab/metrics_spec.rb
+++ b/spec/lib/gitlab/metrics_spec.rb
@@ -1,15 +1,9 @@
 require 'spec_helper'
 
 describe Gitlab::Metrics do
-  describe '.pool_size' do
-    it 'returns a Fixnum' do
-      expect(described_class.pool_size).to be_an_instance_of(Fixnum)
-    end
-  end
-
-  describe '.timeout' do
-    it 'returns a Fixnum' do
-      expect(described_class.timeout).to be_an_instance_of(Fixnum)
+  describe '.settings' do
+    it 'returns a Hash' do
+      expect(described_class.settings).to be_an_instance_of(Hash)
     end
   end