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refine: return error instead of panic when response writer doesn't implement hijacker

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This commit is contained in:
xieyuschen 2024-08-07 21:59:36 +08:00
parent cc4e11438c
commit 44b40e45b4
2 changed files with 8 additions and 5 deletions
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7
response_writer.go
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@ -6,6 +6,7 @@ package gin
import (
"bufio"
"errors"
"io"
"net"
"net/http"
@ -109,7 +110,11 @@ func (w *responseWriter) Hijack() (net.Conn, *bufio.ReadWriter, error) {
if w.size < 0 {
w.size = 0
}
return w.ResponseWriter.(http.Hijacker).Hijack()
hijacker, ok := w.ResponseWriter.(http.Hijacker)
if !ok {
return nil, nil, errors.New("response writer does not support Hijack")
}
return hijacker.Hijack()
}
// CloseNotify implements the http.CloseNotifier interface.

6
response_writer_test.go
View File

@ -111,10 +111,8 @@ func TestResponseWriterHijack(t *testing.T) {
writer.reset(testWriter)
w := ResponseWriter(writer)
assert.Panics(t, func() {
_, _, err := w.Hijack()
require.NoError(t, err)
})
_, _, err := w.Hijack()
assert.Equal(t, "response writer does not support Hijack", err.Error())
assert.True(t, w.Written())
assert.Panics(t, func() {