示例#1
0
func InstrumentedRoundTripper(roundTripper http.RoundTripper) http.RoundTripper {
	if autowiredEmitter == nil {
		return roundTripper
	}

	return dropsonde.InstrumentedRoundTripper(roundTripper, autowiredEmitter)
}
}

var _ = Describe("InstrumentedRoundTripper", func() {
	var fakeRoundTripper *FakeRoundTripper
	var rt http.RoundTripper
	var req *http.Request
	var fakeEmitter *fake.FakeEventEmitter

	var origin = "testRoundtripper/42"

	BeforeEach(func() {
		var err error
		fakeEmitter = fake.NewFakeEventEmitter(origin)

		fakeRoundTripper = new(FakeRoundTripper)
		rt = dropsonde.InstrumentedRoundTripper(fakeRoundTripper, fakeEmitter)

		req, err = http.NewRequest("GET", "http://foo.example.com/", nil)
		Expect(err).ToNot(HaveOccurred())
		req.RemoteAddr = "127.0.0.1"
		req.Header.Set("User-Agent", "our-testing-client")

	})

	Describe("request ID", func() {
		It("should generate a new request ID", func() {
			rt.RoundTrip(req)
			Expect(req.Header.Get("X-CF-RequestID")).ToNot(BeEmpty())
		})

		Context("if request ID can't be generated", func() {