mirror of https://github.com/v2ray/v2ray-core
99 lines
1.8 KiB
Go
99 lines
1.8 KiB
Go
package retry_test
|
|
|
|
import (
|
|
"testing"
|
|
"time"
|
|
|
|
"v2ray.com/core/common"
|
|
"v2ray.com/core/common/errors"
|
|
. "v2ray.com/core/common/retry"
|
|
)
|
|
|
|
var (
|
|
errorTestOnly = errors.New("This is a fake error.")
|
|
)
|
|
|
|
func TestNoRetry(t *testing.T) {
|
|
startTime := time.Now().Unix()
|
|
err := Timed(10, 100000).On(func() error {
|
|
return nil
|
|
})
|
|
endTime := time.Now().Unix()
|
|
|
|
common.Must(err)
|
|
if endTime < startTime {
|
|
t.Error("endTime < startTime: ", startTime, " -> ", endTime)
|
|
}
|
|
}
|
|
|
|
func TestRetryOnce(t *testing.T) {
|
|
startTime := time.Now()
|
|
called := 0
|
|
err := Timed(10, 1000).On(func() error {
|
|
if called == 0 {
|
|
called++
|
|
return errorTestOnly
|
|
}
|
|
return nil
|
|
})
|
|
duration := time.Since(startTime)
|
|
|
|
common.Must(err)
|
|
if v := int64(duration / time.Millisecond); v < 900 {
|
|
t.Error("duration: ", v)
|
|
}
|
|
}
|
|
|
|
func TestRetryMultiple(t *testing.T) {
|
|
startTime := time.Now()
|
|
called := 0
|
|
err := Timed(10, 1000).On(func() error {
|
|
if called < 5 {
|
|
called++
|
|
return errorTestOnly
|
|
}
|
|
return nil
|
|
})
|
|
duration := time.Since(startTime)
|
|
|
|
common.Must(err)
|
|
if v := int64(duration / time.Millisecond); v < 4900 {
|
|
t.Error("duration: ", v)
|
|
}
|
|
}
|
|
|
|
func TestRetryExhausted(t *testing.T) {
|
|
startTime := time.Now()
|
|
called := 0
|
|
err := Timed(2, 1000).On(func() error {
|
|
called++
|
|
return errorTestOnly
|
|
})
|
|
duration := time.Since(startTime)
|
|
|
|
if errors.Cause(err) != ErrRetryFailed {
|
|
t.Error("cause: ", err)
|
|
}
|
|
|
|
if v := int64(duration / time.Millisecond); v < 1900 {
|
|
t.Error("duration: ", v)
|
|
}
|
|
}
|
|
|
|
func TestExponentialBackoff(t *testing.T) {
|
|
startTime := time.Now()
|
|
called := 0
|
|
err := ExponentialBackoff(10, 100).On(func() error {
|
|
called++
|
|
return errorTestOnly
|
|
})
|
|
duration := time.Since(startTime)
|
|
|
|
if errors.Cause(err) != ErrRetryFailed {
|
|
t.Error("cause: ", err)
|
|
}
|
|
if v := int64(duration / time.Millisecond); v < 4000 {
|
|
t.Error("duration: ", v)
|
|
}
|
|
}
|