vbatts/registry
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

Return instrumented response writer from context

Browse source 
This is ensures that users of the ResponseWriter from the context correctly
track usage. Otherwise, context reporting is incorrect.

Signed-off-by: Stephen J Day <stephen.day@docker.com>
This commit is contained in:
Stephen J Day 2015-04-20 11:15:01 -07:00
parent a9a9658e41
commit cb938c476f
2 changed files with 12 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
context/http.go
View file

@ -302,7 +302,7 @@ func (irw *instrumentedResponseWriter) Flush() {
func (irw *instrumentedResponseWriter) Value(key interface{}) interface{} {
if keyStr, ok := key.(string); ok {
if keyStr == "http.response" {
return irw.ResponseWriter
return irw
}
if !strings.HasPrefix(keyStr, "http.response.") {

13
context/http_test.go
View file

@ -132,8 +132,17 @@ func TestWithResponseWriter(t *testing.T) {
trw := testResponseWriter{}
ctx, rw := WithResponseWriter(Background(), &trw)
if ctx.Value("http.response") != &trw {
t.Fatalf("response not available in context: %v != %v", ctx.Value("http.response"), &trw)
if ctx.Value("http.response") != rw {
t.Fatalf("response not available in context: %v != %v", ctx.Value("http.response"), rw)
}
grw, err := GetResponseWriter(ctx)
if err != nil {
t.Fatalf("error getting response writer: %v", err)
}
if grw != rw {
t.Fatalf("unexpected response writer returned: %#v != %#v", grw, rw)
}
if n, err := rw.Write(make([]byte, 1024)); err != nil {