mirror of
https://github.com/Luzifer/nginx-sso.git
synced 2024-12-21 05:11:17 +00:00
47 lines
1.3 KiB
Go
47 lines
1.3 KiB
Go
|
// Copyright 2017 Google LLC
|
||
|
|
//
|
||
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
// you may not use this file except in compliance with the License.
|
||
|
|
// You may obtain a copy of the License at
|
||
|
|
//
|
||
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
//
|
||
|
|
// Unless required by applicable law or agreed to in writing, software
|
||
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
// See the License for the specific language governing permissions and
|
||
|
|
// limitations under the License.
|
||
|
|
|
||
|
|
package gensupport
|
||
|
|
|
||
|
|
import (
|
||
|
|
"testing"
|
||
|
|
"time"
|
||
|
|
)
|
||
|
|
|
||
|
|
func TestBackoff(t *testing.T) {
|
||
|
|
eb := &ExponentialBackoff{Base: time.Millisecond, Max: time.Second}
|
||
|
|
|
||
|
|
var total time.Duration
|
||
|
|
for n, max := 0, 2*time.Millisecond; ; n, max = n+1, max*2 {
|
||
|
|
if n > 100 {
|
||
|
|
// There's less than 1 in 10^28 of taking longer than 100 iterations,
|
||
|
|
// so this is just to check we don't have an infinite loop.
|
||
|
|
t.Fatalf("Failed to timeout after 100 iterations.")
|
||
|
|
}
|
||
|
|
pause, retry := eb.Pause()
|
||
|
|
if !retry {
|
||
|
|
break
|
||
|
|
}
|
||
|
|
|
||
|
|
if 0 > pause || pause >= max {
|
||
|
|
t.Errorf("Iteration %d: pause = %v; want in range [0, %v)", n, pause, max)
|
||
|
|
}
|
||
|
|
total += pause
|
||
|
|
}
|
||
|
|
|
||
|
|
if total < time.Second {
|
||
|
|
t.Errorf("Total time = %v; want > %v", total, time.Second)
|
||
|
|
}
|
||
|
|
}
|