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prevent race condition with bytes.Buffer in vsphere unit tests

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Signed-off-by: Davanum Srinivas <davanum@gmail.com>
This commit is contained in:
Davanum Srinivas 2021-02-09 22:32:42 -05:00
parent 93d288e2a4
commit ad2174f519
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GPG Key ID: 80D83A796103BF59
1 changed files with 20 additions and 2 deletions
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22
staging/src/k8s.io/legacy-cloud-providers/vsphere/vsphere_test.go
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@ -32,6 +32,7 @@ import (
"sort"
"strconv"
"strings"
"sync"
"testing"
"github.com/vmware/govmomi/find"
@ -1166,6 +1167,23 @@ func fakeSecret(name, namespace, datacenter, user, password string) *v1.Secret {
}
}
type buffer struct {
b bytes.Buffer
rw sync.RWMutex
}
func (b *buffer) String() string {
b.rw.RLock()
defer b.rw.RUnlock()
return b.b.String()
}
func (b *buffer) Write(p []byte) (n int, err error) {
b.rw.Lock()
defer b.rw.Unlock()
return b.b.Write(p)
}
func TestSecretUpdated(t *testing.T) {
datacenter := "0.0.0.0"
secretName := "vccreds"
@ -1231,8 +1249,8 @@ func TestSecretUpdated(t *testing.T) {
for _, testcase := range testcases {
t.Run(testcase.name, func(t *testing.T) {
buf := new(bytes.Buffer)
errBuf := new(bytes.Buffer)
buf := new(buffer)
errBuf := new(buffer)
klog.SetOutputBySeverity("INFO", buf)
klog.SetOutputBySeverity("WARNING", errBuf)