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echo/middleware/compress_test.go
Vishal Rana 88f307bedd Middleware and handler as closure
Signed-off-by: Vishal Rana <vr@labstack.com>
2016-02-17 21:49:31 -08:00

141 lines
3.1 KiB
Go

package middleware
import (
"bytes"
"compress/gzip"
"testing"
"github.com/labstack/echo"
"github.com/labstack/echo/test"
"github.com/stretchr/testify/assert"
)
type closeNotifyingRecorder struct {
*test.ResponseRecorder
closed chan bool
}
func newCloseNotifyingRecorder() *closeNotifyingRecorder {
return &closeNotifyingRecorder{
test.NewResponseRecorder(),
make(chan bool, 1),
}
}
func (c *closeNotifyingRecorder) close() {
c.closed <- true
}
func (c *closeNotifyingRecorder) CloseNotify() <-chan bool {
return c.closed
}
func TestGzip(t *testing.T) {
e := echo.New()
req := test.NewRequest(echo.GET, "/", nil)
rec := test.NewResponseRecorder()
c := echo.NewContext(req, rec, e)
// Skip if no Accept-Encoding header
h := Gzip()(echo.HandlerFunc(func(c echo.Context) error {
c.Response().Write([]byte("test")) // For Content-Type sniffing
return nil
}))
h.Handle(c)
assert.Equal(t, "test", rec.Body.String())
req = test.NewRequest(echo.GET, "/", nil)
req.Header().Set(echo.AcceptEncoding, "gzip")
rec = test.NewResponseRecorder()
c = echo.NewContext(req, rec, e)
// Gzip
h.Handle(c)
// assert.Equal(t, http.StatusOK, rec.Status())
assert.Equal(t, "gzip", rec.Header().Get(echo.ContentEncoding))
assert.Contains(t, rec.Header().Get(echo.ContentType), echo.TextPlain)
r, err := gzip.NewReader(rec.Body)
defer r.Close()
if assert.NoError(t, err) {
buf := new(bytes.Buffer)
buf.ReadFrom(r)
assert.Equal(t, "test", buf.String())
}
}
// func TestGzipFlush(t *testing.T) {
// res := test.NewResponseRecorder()
// buf := new(bytes.Buffer)
// w := gzip.NewWriter(buf)
// gw := gzipWriter{Writer: w, ResponseWriter: res}
//
// n0 := buf.Len()
// if n0 != 0 {
// t.Fatalf("buffer size = %d before writes; want 0", n0)
// }
//
// if err := gw.Flush(); err != nil {
// t.Fatal(err)
// }
//
// n1 := buf.Len()
// if n1 == 0 {
// t.Fatal("no data after first flush")
// }
//
// gw.Write([]byte("x"))
//
// n2 := buf.Len()
// if n1 != n2 {
// t.Fatalf("after writing a single byte, size changed from %d to %d; want no change", n1, n2)
// }
//
// if err := gw.Flush(); err != nil {
// t.Fatal(err)
// }
//
// n3 := buf.Len()
// if n2 == n3 {
// t.Fatal("Flush didn't flush any data")
// }
// }
// func TestGzipCloseNotify(t *testing.T) {
// rec := newCloseNotifyingRecorder()
// buf := new(bytes.Buffer)
// w := gzip.NewWriter(buf)
// gw := gzipWriter{Writer: w, ResponseWriter: rec}
// closed := false
// notifier := gw.CloseNotify()
// rec.close()
//
// select {
// case <-notifier:
// closed = true
// case <-time.After(time.Second):
// }
//
// assert.Equal(t, closed, true)
// }
//
// func BenchmarkGzip(b *testing.B) {
// b.StopTimer()
// b.ReportAllocs()
//
// h := func(c echo.Context) error {
// c.Response().Write([]byte("test")) // For Content-Type sniffing
// return nil
// }
// req, _ := http.NewRequest(echo.GET, "/", nil)
// req.Header().Set(echo.AcceptEncoding, "gzip")
//
// b.StartTimer()
//
// for i := 0; i < b.N; i++ {
// e := echo.New()
// res := test.NewResponseRecorder()
// c := echo.NewContext(req, res, e)
// Gzip()(h)(c)
// }
//
// }