Add latest changes from gitlab-org/gitlab@13-8-stable-eev13.8.0-rc42

1 files changed, 27 insertions, 0 deletions

diff --git a/spec/support/shared_examples/metrics/sampler_shared_examples.rb b/spec/support/shared_examples/metrics/sampler_shared_examples.rb
new file mode 100644
index 00000000000..ebf199c3a8d
--- /dev/null
+++ b/spec/support/shared_examples/metrics/sampler_shared_examples.rb
@@ -0,0 +1,27 @@
+# frozen_string_literal: true
+
+RSpec.shared_examples 'metrics sampler' do |env_prefix|
+  context 'when sampling interval is passed explicitly' do
+    subject { described_class.new(42) }
+
+    specify { expect(subject.interval).to eq(42) }
+  end
+
+  context 'when sampling interval is passed through the environment' do
+    subject { described_class.new }
+
+    before do
+      stub_env("#{env_prefix}_INTERVAL_SECONDS", '42')
+    end
+
+    specify { expect(subject.interval).to eq(42) }
+  end
+
+  context 'when no sampling interval is passed anywhere' do
+    subject { described_class.new }
+
+    it 'uses the hardcoded default' do
+      expect(subject.interval).to eq(described_class::DEFAULT_SAMPLING_INTERVAL_SECONDS)
+    end
+  end
+end