45 lines
1.5 KiB
Ruby
45 lines
1.5 KiB
Ruby
require 'spec_helper'
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describe Gitlab::Middleware::RailsQueueDuration do
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let(:app) { double(:app) }
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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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before do
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expect(app).to receive(:call).with(env).and_return('yay')
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end
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describe '#call' do
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it 'calls the app when metrics are disabled' do
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expect(Gitlab::Metrics).to receive(:current_transaction).and_return(nil)
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expect(middleware.call(env)).to eq('yay')
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end
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context 'when metrics are enabled' do
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before do
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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 when metrics are enabled but no timing header is found' do
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expect(middleware.call(env)).to eq('yay')
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end
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it 'sets proxy_flight_time and calls the app when the header is present' do
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env['HTTP_GITLAB_WORKHORSE_PROXY_START'] = '123'
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expect(transaction).to receive(:set).with(:rails_queue_duration, an_instance_of(Float))
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expect(middleware.call(env)).to eq('yay')
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end
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it 'observes rails queue duration metrics and calls the app when the header is present' do
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env['HTTP_GITLAB_WORKHORSE_PROXY_START'] = '2000000000'
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expect(middleware.send(:metric_rails_queue_duration_seconds)).to receive(:observe).with(transaction.labels, 1)
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Timecop.freeze(Time.at(3)) do
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expect(middleware.call(env)).to eq('yay')
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end
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end
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end
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end
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end
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