112 lines
3.7 KiB
Ruby
112 lines
3.7 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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require 'stackprof'
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RSpec.describe Gitlab::Middleware::Speedscope do
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let(:app) { proc { |env| [200, { 'Content-Type' => 'text/plain' }, ['Hello world!']] } }
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let(:middleware) { described_class.new(app) }
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describe '#call' do
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shared_examples 'returns original response' do
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it 'returns original response' do
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expect(StackProf).not_to receive(:run)
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status, headers, body = middleware.call(env)
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expect(status).to eq(200)
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expect(headers).to eq({ 'Content-Type' => 'text/plain' })
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expect(body.first).to eq('Hello world!')
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end
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end
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context 'when flamegraph is not requested' do
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let(:env) { Rack::MockRequest.env_for('/') }
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it_behaves_like 'returns original response'
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end
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context 'when flamegraph requested' do
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let(:env) { Rack::MockRequest.env_for('/', params: { 'performance_bar' => 'flamegraph' }) }
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before do
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allow(env).to receive(:[]).and_call_original
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end
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context 'when user is not allowed' do
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before do
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allow(env).to receive(:[]).with('warden').and_return(double('Warden', user: create(:user)))
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end
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it_behaves_like 'returns original response'
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end
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context 'when user is allowed' do
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before do
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allow(env).to receive(:[]).with('warden').and_return(double('Warden', user: create(:admin)))
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end
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it 'returns a flamegraph' do
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expect(StackProf).to receive(:run).and_call_original
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status, headers, body = middleware.call(env)
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expect(status).to eq(200)
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expect(headers).to eq({ 'Content-Type' => 'text/html' })
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expect(body.first).to include('speedscope-iframe')
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end
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context 'when the stackprof_mode parameter is set and valid' do
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let(:env) { Rack::MockRequest.env_for('/', params: { 'performance_bar' => 'flamegraph', 'stackprof_mode' => 'cpu' }) }
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it 'runs StackProf in the mode specified in the stackprof_mode parameter' do
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expect(StackProf).to receive(:run).with(hash_including(mode: :cpu))
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middleware.call(env)
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end
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end
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context 'when the stackprof_mode parameter is not set' do
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let(:env) { Rack::MockRequest.env_for('/', params: { 'performance_bar' => 'flamegraph' }) }
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it 'runs StackProf in wall mode' do
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expect(StackProf).to receive(:run).with(hash_including(mode: :wall))
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middleware.call(env)
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end
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end
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context 'when the stackprof_mode parameter is invalid' do
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let(:env) { Rack::MockRequest.env_for('/', params: { 'performance_bar' => 'flamegraph', 'stackprof_mode' => 'invalid' }) }
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it 'runs StackProf in wall mode' do
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expect(StackProf).to receive(:run).with(hash_including(mode: :wall))
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middleware.call(env)
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end
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end
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context 'when the stackprof_mode parameter is set to object mode' do
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let(:env) { Rack::MockRequest.env_for('/', params: { 'performance_bar' => 'flamegraph', 'stackprof_mode' => 'object' }) }
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it 'runs StackProf with an interval of 100' do
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expect(StackProf).to receive(:run).with(hash_including(interval: 100))
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middleware.call(env)
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end
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end
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context 'when the stackprof_mode parameter is not set to object mode' do
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let(:env) { Rack::MockRequest.env_for('/', params: { 'performance_bar' => 'flamegraph', 'stackprof_mode' => 'wall' }) }
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it 'runs StackProf with an interval of 10_100' do
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expect(StackProf).to receive(:run).with(hash_including(interval: 10_100))
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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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end
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end
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