Adjust test to changed metrics methods.

+ remove deprecated test suite

lib/gitlab/metrics/prometheus.rb

@@ -53,7 +53,7 @@ module Gitlab
         return metric if metric
 
         PROVIDER_MUTEX.synchronize do
-          provide_metric(name) || registry.send(method, *args)
+          provide_metric(name) || registry.send(method, name, *args)
         end
       end
 

spec/lib/gitlab/metrics/rack_middleware_spec.rb

@@ -18,20 +18,6 @@ describe Gitlab::Metrics::RackMiddleware do
       expect(middleware.call(env)).to eq('yay')
     end
 
-    xit 'tags a transaction with the name and action of a controller' do
-      klass      = double(:klass, name: 'TestController')
-      controller = double(:controller, class: klass, action_name: 'show', content_type: 'text/html')
-
-      env['action_controller.instance'] = controller
-
-      allow(app).to receive(:call).with(env)
-
-      expect(middleware).to receive(:tag_controller)
-        .with(an_instance_of(Gitlab::Metrics::Transaction), env)
-
-      middleware.call(env)
-    end
-
     it 'tracks any raised exceptions' do
       expect(app).to receive(:call).with(env).and_raise(RuntimeError)
 

spec/lib/gitlab/metrics_spec.rb

@@ -199,7 +199,7 @@ describe Gitlab::Metrics do
 
   shared_examples 'prometheus metrics API' do
     describe '#counter' do
-      subject { described_class.counter(:couter, 'doc') }
+      subject { described_class.counter(:counter, 'doc') }
 
       describe '#increment' do
         it 'successfully calls #increment without arguments' do
@@ -255,7 +255,7 @@ describe Gitlab::Metrics do
     it_behaves_like 'prometheus metrics API'
 
     describe '#null_metric' do
-      subject { described_class.provide_metric(:test) }
+      subject { described_class.send(:provide_metric, :test) }
 
       it { is_expected.to be_a(Gitlab::Metrics::NullMetric) }
     end
@@ -296,7 +296,7 @@ describe Gitlab::Metrics do
     it_behaves_like 'prometheus metrics API'
 
     describe '#null_metric' do
-      subject { described_class.provide_metric(:test) }
+      subject { described_class.send(:provide_metric, :test) }
 
       it { is_expected.to be_nil }
     end