-
Notifications
You must be signed in to change notification settings - Fork 1.3k
Expand file tree
/
Copy pathhttp.go
More file actions
48 lines (40 loc) · 1.37 KB
/
Copy pathhttp.go
File metadata and controls
48 lines (40 loc) · 1.37 KB
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
package testutil
import (
"context"
"encoding/json"
"net/http"
"testing"
"github.com/stretchr/testify/require"
)
// RoundTripperFunc adapts a function to an http.RoundTripper.
type RoundTripperFunc func(*http.Request) (*http.Response, error)
var _ http.RoundTripper = RoundTripperFunc(nil)
func (f RoundTripperFunc) RoundTrip(req *http.Request) (*http.Response, error) {
return f(req)
}
// RequireEventuallyResponseOK makes HTTP GET requests to the given endpoint until it returns
// 200 OK with a valid JSON response that can be decoded into target, or until the context
// times out. This is useful for waiting for HTTP servers to become ready during tests,
// especially for metadata endpoints that may not be immediately available.
func RequireEventuallyResponseOK(ctx context.Context, t testing.TB, endpoint string, target interface{}) {
t.Helper()
ok := Eventually(ctx, t, func(ctx context.Context) (done bool) {
req, err := http.NewRequestWithContext(ctx, http.MethodGet, endpoint, nil)
if err != nil {
return false
}
resp, err := http.DefaultClient.Do(req)
if err != nil {
return false
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
return false
}
if err := json.NewDecoder(resp.Body).Decode(target); err != nil {
return false
}
return true
}, IntervalFast)
require.True(t, ok, "endpoint %s not ready in time", endpoint)
}