1 files changed, 11 insertions, 1 deletions
diff --git a/spec/lib/gitlab/metrics/samplers/ruby_sampler_spec.rb b/spec/lib/gitlab/metrics/samplers/ruby_sampler_spec.rb
index ead650a27f0..9fc8dd10922 100644
--- a/spec/lib/gitlab/metrics/samplers/ruby_sampler_spec.rb
+++ b/spec/lib/gitlab/metrics/samplers/ruby_sampler_spec.rb
@@ -3,7 +3,7 @@
 require 'spec_helper'
 
 describe Gitlab::Metrics::Samplers::RubySampler do
-  let(:sampler) { described_class.new(5) }
+  let(:sampler) { described_class.new }
   let(:null_metric) { double('null_metric', set: nil, observe: nil) }
 
   before do
@@ -18,6 +18,16 @@ describe Gitlab::Metrics::Samplers::RubySampler do
     end
   end
 
+  describe '#interval' do
+    it 'samples every sixty seconds by default' do
+      expect(subject.interval).to eq(60)
+    end
+
+    it 'samples at other intervals if requested' do
+      expect(described_class.new(11).interval).to eq(11)
+    end
+  end
+
   describe '#sample' do
     it 'adds a metric containing the process resident memory bytes' do
       expect(Gitlab::Metrics::System).to receive(:memory_usage_rss).and_return(9000)