54 lines
2.0 KiB
Ruby
54 lines
2.0 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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RSpec.describe Gitlab::Metrics::ElasticsearchRackMiddleware do
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let(:app) { double(:app, call: 'app call result') }
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let(:middleware) { described_class.new(app) }
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let(:env) { {} }
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let(:transaction) { Gitlab::Metrics::WebTransaction.new(env) }
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describe '#call' do
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let(:elasticsearch_query_time) { 0.1 }
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let(:elasticsearch_requests_count) { 2 }
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before do
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allow(Gitlab::Instrumentation::ElasticsearchTransport).to receive(:query_time) { elasticsearch_query_time }
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allow(Gitlab::Instrumentation::ElasticsearchTransport).to receive(:get_request_count) { elasticsearch_requests_count }
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allow(Gitlab::Metrics).to receive(:current_transaction).and_return(transaction)
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end
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it 'calls the app' do
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expect(middleware.call(env)).to eq('app call result')
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end
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it 'records elasticsearch metrics' do
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expect(transaction).to receive(:increment).with(:http_elasticsearch_requests_total, elasticsearch_requests_count)
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expect(transaction).to receive(:observe).with(:http_elasticsearch_requests_duration_seconds, elasticsearch_query_time)
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middleware.call(env)
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end
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it 'records elasticsearch metrics if an error is raised' do
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expect(transaction).to receive(:increment).with(:http_elasticsearch_requests_total, elasticsearch_requests_count)
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expect(transaction).to receive(:observe).with(:http_elasticsearch_requests_duration_seconds, elasticsearch_query_time)
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allow(app).to receive(:call).with(env).and_raise(StandardError)
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expect { middleware.call(env) }.to raise_error(StandardError)
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end
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context 'when there are no elasticsearch requests' do
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let(:elasticsearch_requests_count) { 0 }
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it 'does not record any metrics' do
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expect(transaction).not_to receive(:observe).with(:http_elasticsearch_requests_duration_seconds)
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expect(transaction).not_to receive(:increment).with(:http_elasticsearch_requests_total, 0)
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middleware.call(env)
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end
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end
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end
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end
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