Golang fakeyagnats.FakeYagnats類代碼示例

import (
	. "github.com/cloudfoundry/gorouter/registry"
	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"

	"github.com/cloudfoundry/gorouter/config"
	"github.com/cloudfoundry/gorouter/route"
	"github.com/cloudfoundry/yagnats/fakeyagnats"

	"encoding/json"
	"time"
)

var _ = Describe("RouteRegistry", func() {
	var r *RouteRegistry
	var messageBus *fakeyagnats.FakeYagnats

	var fooEndpoint, barEndpoint, bar2Endpoint *route.Endpoint
	var configObj *config.Config

	BeforeEach(func() {
		configObj = config.DefaultConfig()
		configObj.PruneStaleDropletsInterval = 50 * time.Millisecond
		configObj.DropletStaleThreshold = 10 * time.Millisecond

		messageBus = fakeyagnats.New()
		r = NewRouteRegistry(configObj, messageBus)
		fooEndpoint = route.NewEndpoint("12345", "192.168.1.1", 1234,
			"id1", map[string]string{
				"runtime":   "ruby18",
				"framework": "sinatra",

	"github.com/cloudfoundry/hm9000/testhelpers/appfixture"
	"github.com/cloudfoundry/hm9000/testhelpers/fakelogger"
	"github.com/cloudfoundry/hm9000/testhelpers/fakemetricsaccountant"
	"github.com/cloudfoundry/storeadapter/fakestoreadapter"
	"github.com/cloudfoundry/yagnats/fakeyagnats"
	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"
)

var _ = Describe("Sender", func() {
	var (
		storeAdapter      *fakestoreadapter.FakeStoreAdapter
		store             storepackage.Store
		sender            *Sender
		messageBus        *fakeyagnats.FakeYagnats
		timeProvider      *faketimeprovider.FakeTimeProvider
		dea               appfixture.DeaFixture
		app               appfixture.AppFixture
		conf              *config.Config
		metricsAccountant *fakemetricsaccountant.FakeMetricsAccountant
	)

	BeforeEach(func() {
		messageBus = fakeyagnats.New()
		dea = appfixture.NewDeaFixture()
		app = dea.GetApp(0)
		conf, _ = config.DefaultConfig()
		metricsAccountant = fakemetricsaccountant.New()

		timeProvider = &faketimeprovider.FakeTimeProvider{
			TimeToProvide: time.Unix(int64(10+conf.ActualFreshnessTTL()), 0),

func init() {
	Describe("natsHandler", func() {
		var (
			settingsService *fakesettings.FakeSettingsService
			client          *fakeyagnats.FakeYagnats
			logger          boshlog.Logger
			handler         boshhandler.Handler
		)

		BeforeEach(func() {
			settingsService = &fakesettings.FakeSettingsService{
				Settings: boshsettings.Settings{
					AgentID: "my-agent-id",
					Mbus:    "nats://fake-username:[email protected]:1234",
				},
			}
			logger = boshlog.NewLogger(boshlog.LevelNone)
			client = fakeyagnats.New()
			handler = NewNatsHandler(settingsService, client, logger)
		})

		Describe("Start", func() {
			It("starts", func() {
				var receivedRequest boshhandler.Request

				handler.Start(func(req boshhandler.Request) (resp boshhandler.Response) {
					receivedRequest = req
					return boshhandler.NewValueResponse("expected value")
				})
				defer handler.Stop()

				Expect(client.ConnectedConnectionProvider()).ToNot(BeNil())

				Expect(client.SubscriptionCount()).To(Equal(1))
				subscriptions := client.Subscriptions("agent.my-agent-id")
				Expect(len(subscriptions)).To(Equal(1))

				expectedPayload := []byte(`{"method":"ping","arguments":["foo","bar"], "reply_to": "reply to me!"}`)
				subscription := subscriptions[0]
				subscription.Callback(&yagnats.Message{
					Subject: "agent.my-agent-id",
					Payload: expectedPayload,
				})

				Expect(receivedRequest).To(Equal(boshhandler.Request{
					ReplyTo: "reply to me!",
					Method:  "ping",
					Payload: expectedPayload,
				}))

				Expect(client.PublishedMessageCount()).To(Equal(1))
				messages := client.PublishedMessages("reply to me!")
				Expect(len(messages)).To(Equal(1))
				Expect(messages[0].Payload).To(Equal([]byte(`{"value":"expected value"}`)))
			})

			It("does not respond if the response is nil", func() {
				err := handler.Start(func(req boshhandler.Request) (resp boshhandler.Response) {
					return nil
				})
				Expect(err).ToNot(HaveOccurred())
				defer handler.Stop()

				subscription := client.Subscriptions("agent.my-agent-id")[0]
				subscription.Callback(&yagnats.Message{
					Subject: "agent.my-agent-id",
					Payload: []byte(`{"method":"ping","arguments":["foo","bar"], "reply_to": "reply to me!"}`),
				})

				Expect(client.PublishedMessageCount()).To(Equal(0))
			})

			It("responds with an error if the response is bigger than 1MB", func() {
				err := handler.Start(func(req boshhandler.Request) (resp boshhandler.Response) {
					// gets inflated by json.Marshal when enveloping
					size := 0

					switch req.Method {
					case "small":
						size = 1024*1024 - 12
					case "big":
						size = 1024 * 1024
					default:
						panic("unknown request size")
					}

					chars := make([]byte, size)
					for i := range chars {
						chars[i] = 'A'
					}
					return boshhandler.NewValueResponse(string(chars))
				})
				Expect(err).ToNot(HaveOccurred())
				defer handler.Stop()

				subscription := client.Subscriptions("agent.my-agent-id")[0]
				subscription.Callback(&yagnats.Message{
					Subject: "agent.my-agent-id",
					Payload: []byte(`{"method":"small","arguments":[], "reply_to": "fake-reply-to"}`),
				})
//.........這裏部分代碼省略.........

	"github.com/cloudfoundry/hm9000/models"
	. "github.com/cloudfoundry/hmperformance/simulator"
	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"
	"time"

	"github.com/cloudfoundry/hm9000/testhelpers/desiredstateserver"
	"github.com/cloudfoundry/yagnats/fakeyagnats"
	"math/rand"
	"sort"
)

var _ = Describe("Simulator", func() {
	var (
		sim                *Simulator
		messageBus         *fakeyagnats.FakeYagnats
		desiredStateServer *desiredstateserver.DesiredStateServer
		randomizer         *rand.Rand
	)

	BeforeEach(func() {
		desiredStateServer = desiredstateserver.NewDesiredStateServer()
		messageBus = fakeyagnats.New()
		randomizer = rand.New(rand.NewSource(time.Now().Unix()))
		sim = New(100, 8, randomizer, messageBus, desiredStateServer)
	})

	Describe("Preparing the simulator", func() {
		It("should generate the requested number of apps", func() {
			Ω(sim.Apps).Should(HaveLen(100))
		})