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websocket_app.go
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/
websocket_app.go
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package test
import (
"bytes"
"io"
"io/ioutil"
"net/http"
"time"
"github.com/nats-io/go-nats"
"github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"code.cloudfoundry.org/gorouter/route"
"code.cloudfoundry.org/gorouter/test/common"
"code.cloudfoundry.org/gorouter/test_util"
)
func NewWebSocketApp(urls []route.Uri, rPort uint16, mbusClient *nats.Conn, delay time.Duration, routeServiceUrl string) *common.TestApp {
app := common.NewTestApp(urls, rPort, mbusClient, nil, routeServiceUrl)
app.AddHandler("/", func(w http.ResponseWriter, r *http.Request) {
defer ginkgo.GinkgoRecover()
Expect(r.Header.Get("Upgrade")).To(Equal("websocket"))
Expect(r.Header.Get("Connection")).To(Equal("upgrade"))
conn, _, err := w.(http.Hijacker).Hijack()
x := test_util.NewHttpConn(conn)
resp := test_util.NewResponse(http.StatusSwitchingProtocols)
resp.Header.Set("Upgrade", "websocket")
resp.Header.Set("Connection", "upgrade")
time.Sleep(delay)
x.WriteResponse(resp)
Expect(err).ToNot(HaveOccurred())
x.CheckLine("hello from client")
x.WriteLine("hello from server")
})
return app
}
func NewHangingWebSocketApp(urls []route.Uri, rPort uint16, mbusClient *nats.Conn, routeServiceUrl string) *common.TestApp {
app := common.NewTestApp(urls, rPort, mbusClient, nil, routeServiceUrl)
app.AddHandler("/", func(w http.ResponseWriter, r *http.Request) {
defer ginkgo.GinkgoRecover()
Expect(r.Header.Get("Upgrade")).To(Equal("websocket"))
Expect(r.Header.Get("Connection")).To(Equal("upgrade"))
conn, _, err := w.(http.Hijacker).Hijack()
Expect(err).ToNot(HaveOccurred())
x := test_util.NewHttpConn(conn)
resp := test_util.NewResponse(http.StatusNotFound)
resp.ContentLength = -1
resp.Header.Set("Upgrade", "websocket")
resp.Header.Set("Connection", "upgrade")
resp.Body = ioutil.NopCloser(io.MultiReader(
bytes.NewBufferString("\r\nbeginning of the response body goes here\r\n\r\n"),
bytes.NewBuffer(make([]byte, 10024)), // bigger than the internal buffer of the http stdlib
bytes.NewBufferString("\r\nmore response here, probably won't be seen by client\r\n"),
&test_util.HangingReadCloser{}),
)
x.WriteResponse(resp)
panic("you won't get here in a test")
})
return app
}