1 files changed, 27 insertions, 0 deletions
diff --git a/spec/lib/gitlab/ci/parsers/instrumentation_spec.rb b/spec/lib/gitlab/ci/parsers/instrumentation_spec.rb
new file mode 100644
index 00000000000..30bcce21be2
--- /dev/null
+++ b/spec/lib/gitlab/ci/parsers/instrumentation_spec.rb
@@ -0,0 +1,27 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Gitlab::Ci::Parsers::Instrumentation do
+  describe '#parse!' do
+    let(:parser_class) do
+      Class.new do
+        prepend Gitlab::Ci::Parsers::Instrumentation
+
+        def parse!(arg1, arg2)
+          "parse #{arg1} #{arg2}"
+        end
+      end
+    end
+
+    it 'sets metrics for duration of parsing' do
+      result = parser_class.new.parse!('hello', 'world')
+
+      expect(result).to eq('parse hello world')
+
+      metrics = Gitlab::Metrics.registry.get(:ci_report_parser_duration_seconds).get({ parser: parser_class.name })
+
+      expect(metrics.keys).to match_array(described_class::BUCKETS)
+    end
+  end
+end