packer-cn/builder/alicloud/ecs/client_test.go

83 lines
2.1 KiB
Go

package ecs
import (
"fmt"
"github.com/aliyun/alibaba-cloud-sdk-go/sdk/responses"
"testing"
"time"
)
func TestWaitForExpectedExceedRetryTimes(t *testing.T) {
c := ClientWrapper{}
iter := 0
waitDone := make(chan bool, 1)
go func() {
_, _ = c.WaitForExpected(&WaitForExpectArgs{
RequestFunc: func() (responses.AcsResponse, error) {
iter++
return nil, fmt.Errorf("test: let iteration %d failed", iter)
},
EvalFunc: func(response responses.AcsResponse, err error) WaitForExpectEvalResult {
if err != nil {
fmt.Printf("need retry: %s\n", err)
return WaitForExpectToRetry
}
return WaitForExpectSuccess
},
})
waitDone <- true
}()
timeTolerance := 1 * time.Second
select {
case <-waitDone:
if iter != defaultRetryTimes {
t.Fatalf("WaitForExpected should terminate at the %d iterations", defaultRetryTimes)
}
case <-time.After(defaultRetryTimes*defaultRetryInterval + timeTolerance):
t.Fatalf("WaitForExpected should terminate within %f seconds", (defaultRetryTimes*defaultRetryInterval + timeTolerance).Seconds())
}
}
func TestWaitForExpectedExceedRetryTimeout(t *testing.T) {
c := ClientWrapper{}
expectTimeout := 10 * time.Second
iter := 0
waitDone := make(chan bool, 1)
go func() {
_, _ = c.WaitForExpected(&WaitForExpectArgs{
RequestFunc: func() (responses.AcsResponse, error) {
iter++
return nil, fmt.Errorf("test: let iteration %d failed", iter)
},
EvalFunc: func(response responses.AcsResponse, err error) WaitForExpectEvalResult {
if err != nil {
fmt.Printf("need retry: %s\n", err)
return WaitForExpectToRetry
}
return WaitForExpectSuccess
},
RetryTimeout: expectTimeout,
})
waitDone <- true
}()
timeTolerance := 1 * time.Second
select {
case <-waitDone:
if iter > int(expectTimeout/defaultRetryInterval) {
t.Fatalf("WaitForExpected should terminate before the %d iterations", int(expectTimeout/defaultRetryInterval))
}
case <-time.After(expectTimeout + timeTolerance):
t.Fatalf("WaitForExpected should terminate within %f seconds", (expectTimeout + timeTolerance).Seconds())
}
}