Golang Initialize Examples

Example #1

File: autowire_end_to_end_test.go Project: ninglipeng/gorouter

	"os"
	"sync"
)

// these tests need to be invoked individually from an external script,
// since environment variables need to be set/unset before starting the tests
var _ = Describe("Autowire End-to-End", func() {
	Context("with DROPSONDE_ORIGIN set", func() {
		var oldEnv string

		BeforeEach(func() {
			oldEnv = os.Getenv("DROPSONDE_ORIGIN")
			os.Setenv("DROPSONDE_ORIGIN", "test-origin")
			emitter, _ := autowire.CreateDefaultEmitter()
			autowire.Initialize(emitter)
			metrics.Initialize(metric_sender.NewMetricSender(autowire.AutowiredEmitter()))
		})

		AfterEach(func() {
			os.Setenv("DROPSONDE_ORIGIN", oldEnv)
		})

		It("emits HTTP client/server events and heartbeats", func() {
			udpListener, err := net.ListenPacket("udp4", ":3457")
			Expect(err).ToNot(HaveOccurred())
			defer udpListener.Close()
			udpDataChan := make(chan []byte, 16)

			receivedEvents := make(map[string]bool)
			lock := sync.RWMutex{}
			origin := os.Getenv("DROPSONDE_ORIGIN")

Example #2

File: metrics_test.go Project: johannespetzold/gorouter

package metrics_test

import (
	"github.com/cloudfoundry/dropsonde/autowire/metrics"
	"github.com/cloudfoundry/dropsonde/metric_sender/fake"

	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"
)

var _ = Describe("Metrics", func() {
	var fakeMetricSender *fake.FakeMetricSender

	BeforeEach(func() {
		fakeMetricSender = fake.NewFakeMetricSender()
		metrics.Initialize(fakeMetricSender)
	})

	It("delegates SendValue", func() {
		metrics.SendValue("metric", 42.42, "answers")

		Expect(fakeMetricSender.GetValue("metric").Value).To(Equal(42.42))
		Expect(fakeMetricSender.GetValue("metric").Unit).To(Equal("answers"))
	})

	It("delegates IncrementCounter", func() {
		metrics.IncrementCounter("count")

		Expect(fakeMetricSender.GetCounter("count")).To(BeEquivalentTo(1))

		metrics.IncrementCounter("count")