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|
package webapp
import (
"bytes"
"errors"
"net"
"net/http"
"testing"
)
type fakeListener struct {
closed bool
addr *net.TCPAddr
}
func (l *fakeListener) Accept() (net.Conn, error) {
return nil, errors.New("not implemented")
}
func (l *fakeListener) Close() error {
l.closed = true
return nil
}
func (l *fakeListener) Addr() net.Addr {
return l.addr
}
type responseWriter struct {
header http.Header
written bytes.Buffer
status int
}
func (w *responseWriter) Header() http.Header {
if w.header == nil {
w.header = make(http.Header)
}
return w.header
}
func (w *responseWriter) Write(b []byte) (int, error) {
if w.status == 0 {
w.status = 200
}
return w.written.Write(b)
}
func (w *responseWriter) WriteHeader(s int) {
w.status = s
}
func Test_localServer_ServeHTTP(t *testing.T) {
listener := &fakeListener{}
s := &localServer{
CallbackPath: "/hello",
resultChan: make(chan CodeResponse, 1),
listener: listener,
}
w1 := &responseWriter{}
w2 := &responseWriter{}
serveChan := make(chan struct{})
go func() {
req1, _ := http.NewRequest("GET", "http://127.0.0.1:12345/favicon.ico", nil)
s.ServeHTTP(w1, req1)
req2, _ := http.NewRequest("GET", "http://127.0.0.1:12345/hello?code=ABC-123&state=xy%2Fz", nil)
s.ServeHTTP(w2, req2)
serveChan <- struct{}{}
}()
res := <-s.resultChan
if res.Code != "ABC-123" {
t.Errorf("got code %q", res.Code)
}
if res.State != "xy/z" {
t.Errorf("got state %q", res.State)
}
<-serveChan
if w1.status != 404 {
t.Errorf("status = %d", w2.status)
}
if w2.status != 200 {
t.Errorf("status = %d", w2.status)
}
if w2.written.String() != "<p>You may now close this page and return to the client app.</p>" {
t.Errorf("written: %q", w2.written.String())
}
if w2.Header().Get("Content-Type") != "text/html" {
t.Errorf("Content-Type: %v", w2.Header().Get("Content-Type"))
}
if !listener.closed {
t.Error("expected listener to be closed")
}
}
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