35 lines
554 B
Go
35 lines
554 B
Go
|
package backoff
|
||
|
|
|
||
|
|
import (
|
||
|
|
"errors"
|
||
|
|
"log"
|
||
|
|
"testing"
|
||
|
|
)
|
||
|
|
|
||
|
|
func TestRetry(t *testing.T) {
|
||
|
|
const successOn = 3
|
||
|
|
var i = 0
|
||
|
|
|
||
|
|
// This function is successfull on "successOn" calls.
|
||
|
|
f := func() error {
|
||
|
|
i++
|
||
|
|
log.Printf("function is called %d. time\n", i)
|
||
|
|
|
||
|
|
if i == successOn {
|
||
|
|
log.Println("OK")
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
|
||
|
|
log.Println("error")
|
||
|
|
return errors.New("error")
|
||
|
|
}
|
||
|
|
|
||
|
|
err := Retry(f, NewExponentialBackOff())
|
||
|
|
if err != nil {
|
||
|
|
t.Errorf("unexpected error: %s", err.Error())
|
||
|
|
}
|
||
|
|
if i != successOn {
|
||
|
|
t.Errorf("invalid number of retries: %d", i)
|
||
|
|
}
|
||
|
|
}
|