1 files changed, 22 insertions, 0 deletions
diff --git a/spec/initializers/zz_metrics_spec.rb b/spec/initializers/zz_metrics_spec.rb
new file mode 100644
index 00000000000..3eaccfe8d8b
--- /dev/null
+++ b/spec/initializers/zz_metrics_spec.rb
@@ -0,0 +1,22 @@
+require 'spec_helper'
+
+describe 'instrument_classes' do
+  let(:config) { double(:config) }
+
+  let(:influx_sampler) { double(:influx_sampler) }
+
+  before do
+    allow(config).to receive(:instrument_method)
+    allow(config).to receive(:instrument_methods)
+    allow(config).to receive(:instrument_instance_method)
+    allow(config).to receive(:instrument_instance_methods)
+    allow(Gitlab::Metrics::Samplers::InfluxSampler).to receive(:initialize_instance).and_return(influx_sampler)
+    allow(influx_sampler).to receive(:start)
+    allow(Gitlab::Application).to receive(:configure)
+  end
+
+  it 'can autoload and instrument all files' do
+    require_relative '../../config/initializers/zz_metrics'
+    expect { instrument_classes(config) }.not_to raise_error
+  end
+end