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api_test.go
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api_test.go
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package firebase
import (
"fmt"
"net/http"
"net/http/httptest"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
func verifyStreamRequest(request *http.Request) {
Expect(request.Method).To(Equal("GET"))
Expect(request.Header.Get("Accept")).To(Equal("text/event-stream"))
}
var _ = Describe("Firebase SSE/Event Source client", func() {
var (
testServer *httptest.Server
testClient *client
testAPI Api
handler func(w http.ResponseWriter, r *http.Request)
nullHandler func(w http.ResponseWriter, r *http.Request)
stopChannel chan bool
)
BeforeEach(func() {
nullHandler = func(w http.ResponseWriter, r *http.Request) {
verifyStreamRequest(r)
// no events, just terminate the session
}
})
JustBeforeEach(func() {
testServer, testClient = fakeServer(http.HandlerFunc(handler))
testClient = testClient.Child("").(*client)
testAPI = testClient.api
stopChannel = make(chan bool)
})
AfterEach(func() {
close(stopChannel)
testServer.Close()
})
Context("When the connection terminates with EOF", func() {
BeforeEach(func() {
handler = nullHandler
})
It("Receives an empty event", func() {
events, err := testAPI.Stream(testClient.url, testAuth, nil, nil,
stopChannel)
Expect(err).To(BeNil())
Eventually(events).Should(Receive(Equal(RawEvent{})))
})
})
Context("Handling a single event", func() {
BeforeEach(func() {
handler = func(w http.ResponseWriter, r *http.Request) {
verifyStreamRequest(r)
fmt.Fprintln(w, "event: hi")
fmt.Fprintln(w, "data: there")
}
})
It("Fires a single event", func() {
expectedEvent := RawEvent{Event: "hi", Data: "there"}
events, err := testAPI.Stream(testClient.url, testAuth, nil, nil,
stopChannel)
Expect(err).To(BeNil())
Eventually(events).Should(Receive(Equal(expectedEvent)))
})
})
Context("Handling two events", func() {
BeforeEach(func() {
handler = func(w http.ResponseWriter, r *http.Request) {
verifyStreamRequest(r)
fmt.Fprintln(w, "event: hi")
fmt.Fprintln(w, "data: there")
fmt.Fprintf(w, "\n")
fmt.Fprintln(w, "event: hey")
fmt.Fprintln(w, "data: you")
}
})
It("Fires two events", func() {
expectedEvent1 := RawEvent{Event: "hi", Data: "there"}
expectedEvent2 := RawEvent{Event: "hey", Data: "you"}
events, err := testAPI.Stream(testClient.url, testAuth, nil, nil,
stopChannel)
Expect(err).To(BeNil())
Eventually(events).Should(Receive(Equal(expectedEvent1)))
Eventually(events).Should(Receive(Equal(expectedEvent2)))
})
})
})