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package negroni
import (
"bufio"
"net"
"net/http"
"net/http/httptest"
"testing"
"time"
)
type closeNotifyingRecorder struct {
*httptest.ResponseRecorder
closed chan bool
}
func newCloseNotifyingRecorder() *closeNotifyingRecorder {
return &closeNotifyingRecorder{
httptest.NewRecorder(),
make(chan bool, 1),
}
}
func (c *closeNotifyingRecorder) close() {
c.closed <- true
}
func (c *closeNotifyingRecorder) CloseNotify() <-chan bool {
return c.closed
}
type hijackableResponse struct {
Hijacked bool
}
func newHijackableResponse() *hijackableResponse {
return &hijackableResponse{}
}
func (h *hijackableResponse) Header() http.Header { return nil }
func (h *hijackableResponse) Write(buf []byte) (int, error) { return 0, nil }
func (h *hijackableResponse) WriteHeader(code int) {}
func (h *hijackableResponse) Flush() {}
func (h *hijackableResponse) Hijack() (net.Conn, *bufio.ReadWriter, error) {
h.Hijacked = true
return nil, nil, nil
}
func TestResponseWriterWritingString(t *testing.T) {
rec := httptest.NewRecorder()
rw := NewResponseWriter(rec)
rw.Write([]byte("Hello world"))
expect(t, rec.Code, rw.Status())
expect(t, rec.Body.String(), "Hello world")
expect(t, rw.Status(), http.StatusOK)
expect(t, rw.Size(), 11)
expect(t, rw.Written(), true)
}
func TestResponseWriterWritingStrings(t *testing.T) {
rec := httptest.NewRecorder()
rw := NewResponseWriter(rec)
rw.Write([]byte("Hello world"))
rw.Write([]byte("foo bar bat baz"))
expect(t, rec.Code, rw.Status())
expect(t, rec.Body.String(), "Hello worldfoo bar bat baz")
expect(t, rw.Status(), http.StatusOK)
expect(t, rw.Size(), 26)
}
func TestResponseWriterWritingHeader(t *testing.T) {
rec := httptest.NewRecorder()
rw := NewResponseWriter(rec)
rw.WriteHeader(http.StatusNotFound)
expect(t, rec.Code, rw.Status())
expect(t, rec.Body.String(), "")
expect(t, rw.Status(), http.StatusNotFound)
expect(t, rw.Size(), 0)
}
func TestResponseWriterBefore(t *testing.T) {
rec := httptest.NewRecorder()
rw := NewResponseWriter(rec)
result := ""
rw.Before(func(ResponseWriter) {
result += "foo"
})
rw.Before(func(ResponseWriter) {
result += "bar"
})
rw.WriteHeader(http.StatusNotFound)
expect(t, rec.Code, rw.Status())
expect(t, rec.Body.String(), "")
expect(t, rw.Status(), http.StatusNotFound)
expect(t, rw.Size(), 0)
expect(t, result, "barfoo")
}
func TestResponseWriterHijack(t *testing.T) {
hijackable := newHijackableResponse()
rw := NewResponseWriter(hijackable)
hijacker, ok := rw.(http.Hijacker)
expect(t, ok, true)
_, _, err := hijacker.Hijack()
if err != nil {
t.Error(err)
}
expect(t, hijackable.Hijacked, true)
}
func TestResponseWriteHijackNotOK(t *testing.T) {
hijackable := new(http.ResponseWriter)
rw := NewResponseWriter(*hijackable)
hijacker, ok := rw.(http.Hijacker)
expect(t, ok, true)
_, _, err := hijacker.Hijack()
refute(t, err, nil)
}
func TestResponseWriterCloseNotify(t *testing.T) {
rec := newCloseNotifyingRecorder()
rw := NewResponseWriter(rec)
closed := false
notifier := rw.(http.CloseNotifier).CloseNotify()
rec.close()
select {
case <-notifier:
closed = true
case <-time.After(time.Second):
}
expect(t, closed, true)
}
func TestResponseWriterFlusher(t *testing.T) {
rec := httptest.NewRecorder()
rw := NewResponseWriter(rec)
_, ok := rw.(http.Flusher)
expect(t, ok, true)
}
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