forked from spkg/httpctx
/
newcontext_test.go
98 lines (78 loc) · 1.8 KB
/
newcontext_test.go
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
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
package httpctx_test
import (
"net/http"
"sync"
"testing"
"github.com/spkg/httpctx"
"github.com/stretchr/testify/assert"
"golang.org/x/net/context"
)
func ExampleNewContext() {
handler := func(w http.ResponseWriter, r *http.Request) {
ctx, cancelFunc := httpctx.NewContext(context.Background(), w, r)
defer cancelFunc()
doSomethingWith(ctx, w, r)
}
http.HandleFunc("/", handler)
http.ListenAndServe(":8080", nil)
}
func doSomethingWith(ctx context.Context, w http.ResponseWriter, r *http.Request) {
// ... perform processing here ...
}
type fakeWriter struct {
CloseNotifyChan chan bool
}
func newFakeWriter() *fakeWriter {
return &fakeWriter{
CloseNotifyChan: make(chan bool),
}
}
func (fw *fakeWriter) CloseNotify() <-chan bool {
return fw.CloseNotifyChan
}
func (fw *fakeWriter) Header() http.Header {
panic("not implemented")
}
func (fw *fakeWriter) Write([]byte) (int, error) {
panic("not implemented")
}
func (fw *fakeWriter) WriteHeader(status int) {
panic("not implemented")
}
func TestNewContext_CloseNotifier(t *testing.T) {
assert := assert.New(t)
fw := newFakeWriter()
fr := &http.Request{}
ctx := context.Background()
ctx, cancelFunc := httpctx.NewContext(ctx, fw, fr)
defer cancelFunc()
var wg sync.WaitGroup
finished := false
wg.Add(1)
go func(ctx context.Context) {
<-ctx.Done()
finished = true
wg.Done()
}(ctx)
fw.CloseNotifyChan <- true
wg.Wait()
assert.True(finished)
}
func TestNewContext_CancelFunc(t *testing.T) {
assert := assert.New(t)
fw := newFakeWriter()
fr := &http.Request{}
ctx := context.Background()
ctx, cancelFunc := httpctx.NewContext(ctx, fw, fr)
var wg sync.WaitGroup
finished := false
wg.Add(1)
go func(ctx context.Context) {
<-ctx.Done()
finished = true
wg.Done()
}(ctx)
cancelFunc()
wg.Wait()
assert.True(finished)
}