130 lines
4.1 KiB
Ruby
130 lines
4.1 KiB
Ruby
require 'spec_helper'
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describe Gitlab::Metrics::RackMiddleware 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) { { 'REQUEST_METHOD' => 'GET', 'REQUEST_URI' => '/foo' } }
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describe '#call' do
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before do
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expect_any_instance_of(Gitlab::Metrics::Transaction).to receive(:finish)
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end
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it 'tracks a transaction' do
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expect(app).to receive(:call).with(env).and_return('yay')
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expect(middleware.call(env)).to eq('yay')
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end
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it 'tags a transaction with the name and action of a controller' do
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klass = double(:klass, name: 'TestController', content_type: 'text/html')
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controller = double(:controller, class: klass, action_name: 'show')
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env['action_controller.instance'] = controller
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allow(app).to receive(:call).with(env)
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expect(middleware).to receive(:tag_controller).
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with(an_instance_of(Gitlab::Metrics::Transaction), env)
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middleware.call(env)
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end
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it 'tags a transaction with the method and path of the route in the grape endpoint' do
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route = double(:route, route_method: "GET", route_path: "/:version/projects/:id/archive(.:format)")
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endpoint = double(:endpoint, route: route)
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env['api.endpoint'] = endpoint
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allow(app).to receive(:call).with(env)
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expect(middleware).to receive(:tag_endpoint).
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with(an_instance_of(Gitlab::Metrics::Transaction), env)
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middleware.call(env)
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end
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it 'tracks any raised exceptions' do
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expect(app).to receive(:call).with(env).and_raise(RuntimeError)
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expect_any_instance_of(Gitlab::Metrics::Transaction).
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to receive(:add_event).with(:rails_exception)
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expect { middleware.call(env) }.to raise_error(RuntimeError)
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end
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end
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describe '#transaction_from_env' do
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let(:transaction) { middleware.transaction_from_env(env) }
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it 'returns a Transaction' do
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expect(transaction).to be_an_instance_of(Gitlab::Metrics::Transaction)
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end
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it 'stores the request method and URI in the transaction as values' do
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expect(transaction.values[:request_method]).to eq('GET')
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expect(transaction.values[:request_uri]).to eq('/foo')
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end
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context "when URI includes sensitive parameters" do
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let(:env) do
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{
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'REQUEST_METHOD' => 'GET',
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'REQUEST_URI' => '/foo?private_token=my-token',
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'PATH_INFO' => '/foo',
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'QUERY_STRING' => 'private_token=my_token',
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'action_dispatch.parameter_filter' => [:private_token]
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}
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end
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it 'stores the request URI with the sensitive parameters filtered' do
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expect(transaction.values[:request_uri]).to eq('/foo?private_token=[FILTERED]')
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end
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end
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end
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describe '#tag_controller' do
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let(:transaction) { middleware.transaction_from_env(env) }
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let(:content_type) { 'text/html' }
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before do
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klass = double(:klass, name: 'TestController')
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controller = double(:controller, class: klass, action_name: 'show', content_type: content_type)
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env['action_controller.instance'] = controller
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end
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it 'tags a transaction with the name and action of a controller' do
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middleware.tag_controller(transaction, env)
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expect(transaction.action).to eq('TestController#show')
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end
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context 'when the response content type is not :html' do
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let(:content_type) { 'application/json' }
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it 'appends the mime type to the transaction action' do
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middleware.tag_controller(transaction, env)
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expect(transaction.action).to eq('TestController#show.json')
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end
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end
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end
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describe '#tag_endpoint' do
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let(:transaction) { middleware.transaction_from_env(env) }
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it 'tags a transaction with the method and path of the route in the grape endpount' do
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route = double(:route, route_method: "GET", route_path: "/:version/projects/:id/archive(.:format)")
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endpoint = double(:endpoint, route: route)
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env['api.endpoint'] = endpoint
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middleware.tag_endpoint(transaction, env)
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expect(transaction.action).to eq('Grape#GET /projects/:id/archive')
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end
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end
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end
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