r.Run()
})
AfterEach(func() {
if natsRunner != nil {
natsRunner.Stop()
}
if router != nil {
router.Stop()
}
})
Context("Drain", func() {
It("waits until the last request completes", func() {
app := test.NewTestApp([]route.Uri{"drain.vcap.me"}, config.Port, mbusClient, nil, "")
blocker := make(chan bool)
resultCh := make(chan bool, 2)
app.AddHandler("/", func(w http.ResponseWriter, r *http.Request) {
blocker <- true
_, err := ioutil.ReadAll(r.Body)
defer r.Body.Close()
Expect(err).ToNot(HaveOccurred())
<-blocker
w.WriteHeader(http.StatusNoContent)
})
config = createConfig(cfgFile, statusPort, proxyPort)
})
JustBeforeEach(func() {
gorouterSession = startGorouterSession(cfgFile)
})
It("waits for all requests to finish", func() {
mbusClient, err := newMessageBus(config)
Expect(err).ToNot(HaveOccurred())
requestMade := make(chan bool)
requestProcessing := make(chan bool)
responseRead := make(chan bool)
longApp := test.NewTestApp([]route.Uri{"longapp.vcap.me"}, proxyPort, mbusClient, nil, "")
longApp.AddHandler("/", func(w http.ResponseWriter, r *http.Request) {
requestMade <- true
<-requestProcessing
_, err := ioutil.ReadAll(r.Body)
defer r.Body.Close()
Expect(err).ToNot(HaveOccurred())
w.WriteHeader(http.StatusOK)
w.Write([]byte{'b'})
})
longApp.Listen()
routesUri := fmt.Sprintf("http://%s:%s@%s:%d/routes", config.Status.User, config.Status.Pass, localIP, statusPort)
Eventually(func() bool {
return appRegistered(routesUri, longApp)
}).Should(BeTrue())
app.Unregister()
}
})
Context("Run", func() {
It("reports an error when run twice (address in use)", func() {
errCh := router.Run()
var err error
Eventually(errCh).Should(Receive(&err))
Expect(err).ToNot(BeNil())
})
})
Context("Stop", func() {
It("no longer proxies http", func() {
app := test.NewTestApp([]route.Uri{"greet.vcap.me"}, config.Port, mbusClient, nil, "")
app.AddHandler("/", func(w http.ResponseWriter, r *http.Request) {
_, err := ioutil.ReadAll(r.Body)
defer r.Body.Close()
Expect(err).ToNot(HaveOccurred())
w.WriteHeader(http.StatusNoContent)
})
app.Listen()
Eventually(func() bool {
return appRegistered(registry, app)
}).Should(BeTrue())
req, err := http.NewRequest("GET", app.Endpoint(), nil)
Expect(err).ToNot(HaveOccurred())