1 files changed, 14 insertions, 33 deletions
diff --git a/spec/lib/gitlab/metrics/background_transaction_spec.rb b/spec/lib/gitlab/metrics/background_transaction_spec.rb
index d36ee24fc50..83bee84df99 100644
--- a/spec/lib/gitlab/metrics/background_transaction_spec.rb
+++ b/spec/lib/gitlab/metrics/background_transaction_spec.rb
@@ -4,27 +4,28 @@ require 'spec_helper'
 
 RSpec.describe Gitlab::Metrics::BackgroundTransaction do
   let(:transaction) { described_class.new }
-  let(:prometheus_metric) { instance_double(Prometheus::Client::Metric, base_labels: {}) }
-
-  before do
-    allow(described_class).to receive(:prometheus_metric).and_return(prometheus_metric)
-  end
 
   describe '#run' do
+    let(:prometheus_metric) { instance_double(Prometheus::Client::Metric, base_labels: {}) }
+
+    before do
+      allow(described_class).to receive(:prometheus_metric).and_return(prometheus_metric)
+    end
+
     it 'yields the supplied block' do
       expect { |b| transaction.run(&b) }.to yield_control
     end
 
     it 'stores the transaction in the current thread' do
       transaction.run do
-        expect(Thread.current[described_class::BACKGROUND_THREAD_KEY]).to eq(transaction)
+        expect(Thread.current[described_class::THREAD_KEY]).to eq(transaction)
       end
     end
 
     it 'removes the transaction from the current thread upon completion' do
       transaction.run { }
 
-      expect(Thread.current[described_class::BACKGROUND_THREAD_KEY]).to be_nil
+      expect(Thread.current[described_class::THREAD_KEY]).to be_nil
     end
   end
 
@@ -68,7 +69,10 @@ RSpec.describe Gitlab::Metrics::BackgroundTransaction do
     end
   end
 
-  RSpec.shared_examples 'metric with labels' do |metric_method|
+  it_behaves_like 'transaction metrics with labels' do
+    let(:transaction_obj) { described_class.new }
+    let(:labels) { { endpoint_id: 'TestWorker', feature_category: 'projects', queue: 'test_worker' } }
+
     before do
       test_worker_class = Class.new do
         def self.queue
@@ -78,33 +82,10 @@ RSpec.describe Gitlab::Metrics::BackgroundTransaction do
       stub_const('TestWorker', test_worker_class)
     end
 
-    it 'measures with correct labels and value' do
-      value = 1
-      expect(prometheus_metric).to receive(metric_method).with({
-        endpoint_id: 'TestWorker', feature_category: 'projects', queue: 'test_worker'
-      }, value)
-
+    around do |example|
       Gitlab::ApplicationContext.with_raw_context(feature_category: 'projects', caller_id: 'TestWorker') do
-        transaction.send(metric_method, :test_metric, value)
+        example.run
       end
     end
   end
-
-  describe '#increment' do
-    let(:prometheus_metric) { instance_double(Prometheus::Client::Counter, :increment, base_labels: {}) }
-
-    it_behaves_like 'metric with labels', :increment
-  end
-
-  describe '#set' do
-    let(:prometheus_metric) { instance_double(Prometheus::Client::Gauge, :set, base_labels: {}) }
-
-    it_behaves_like 'metric with labels', :set
-  end
-
-  describe '#observe' do
-    let(:prometheus_metric) { instance_double(Prometheus::Client::Histogram, :observe, base_labels: {}) }
-
-    it_behaves_like 'metric with labels', :observe
-  end
 end