1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
// +build !go1.3
package graceful
import (
"net/http"
"sync/atomic"
"testing"
)
type fakeWriter http.Header
func (f fakeWriter) Header() http.Header {
return http.Header(f)
}
func (f fakeWriter) Write(buf []byte) (int, error) {
return len(buf), nil
}
func (f fakeWriter) WriteHeader(status int) {}
func testClose(t *testing.T, h http.Handler, expectClose bool) {
m := middleware(h)
r, _ := http.NewRequest("GET", "/", nil)
w := make(fakeWriter)
m.ServeHTTP(w, r)
c, ok := w["Connection"]
if expectClose {
if !ok || len(c) != 1 || c[0] != "close" {
t.Fatal("Expected 'Connection: close'")
}
} else {
if ok {
t.Fatal("Did not expect Connection header")
}
}
}
func TestNormal(t *testing.T) {
atomic.StoreInt32(&closing, 0)
h := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Write([]byte{})
})
testClose(t, h, false)
}
func TestClose(t *testing.T) {
atomic.StoreInt32(&closing, 0)
h := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
atomic.StoreInt32(&closing, 1)
})
testClose(t, h, true)
}
func TestCloseWriteHeader(t *testing.T) {
atomic.StoreInt32(&closing, 0)
h := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
atomic.StoreInt32(&closing, 1)
w.WriteHeader(200)
})
testClose(t, h, true)
}
func TestCloseWrite(t *testing.T) {
atomic.StoreInt32(&closing, 0)
h := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
atomic.StoreInt32(&closing, 1)
w.Write([]byte{})
})
testClose(t, h, true)
}
|
