82 lines
2.1 KiB
Ruby
82 lines
2.1 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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RSpec.describe Gitlab::Sherlock::Middleware do
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let(:app) { double(:app) }
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let(:middleware) { described_class.new(app) }
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describe '#call' do
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describe 'when instrumentation is enabled' do
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it 'instruments a request' do
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allow(middleware).to receive(:instrument?).and_return(true)
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allow(middleware).to receive(:call_with_instrumentation)
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middleware.call({})
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end
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end
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describe 'when instrumentation is disabled' do
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it "doesn't instrument a request" do
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allow(middleware).to receive(:instrument).and_return(false)
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allow(app).to receive(:call)
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middleware.call({})
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end
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end
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end
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describe '#call_with_instrumentation' do
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it 'instruments a request' do
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trans = double(:transaction)
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retval = 'cats are amazing'
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env = {}
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allow(app).to receive(:call).with(env).and_return(retval)
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allow(middleware).to receive(:transaction_from_env).and_return(trans)
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allow(trans).to receive(:run).and_yield.and_return(retval)
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allow(Gitlab::Sherlock.collection).to receive(:add).with(trans)
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middleware.call_with_instrumentation(env)
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end
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end
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describe '#instrument?' do
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it 'returns false for a text/css request' do
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env = { 'HTTP_ACCEPT' => 'text/css', 'REQUEST_URI' => '/' }
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expect(middleware.instrument?(env)).to eq(false)
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end
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it 'returns false for a request to a Sherlock route' do
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env = {
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'HTTP_ACCEPT' => 'text/html',
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'REQUEST_URI' => '/sherlock/transactions'
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}
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expect(middleware.instrument?(env)).to eq(false)
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end
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it 'returns true for a request that should be instrumented' do
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env = {
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'HTTP_ACCEPT' => 'text/html',
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'REQUEST_URI' => '/cats'
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}
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expect(middleware.instrument?(env)).to eq(true)
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end
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end
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describe '#transaction_from_env' do
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it 'returns a Transaction' do
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env = {
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'HTTP_ACCEPT' => 'text/html',
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'REQUEST_URI' => '/cats'
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}
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expect(middleware.transaction_from_env(env))
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.to be_an_instance_of(Gitlab::Sherlock::Transaction)
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end
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end
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end
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