mirror of
https://github.com/optim-enterprises-bv/kubernetes.git
synced 2025-11-04 04:08:16 +00:00
66 lines
1.5 KiB
Go
66 lines
1.5 KiB
Go
/*
|
|
Copyright 2014 The Kubernetes Authors All rights reserved.
|
|
|
|
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 util
|
|
|
|
import (
|
|
"testing"
|
|
"time"
|
|
)
|
|
|
|
func TestBasicThrottle(t *testing.T) {
|
|
r := NewTokenBucketRateLimiter(1, 3)
|
|
for i := 0; i < 3; i++ {
|
|
if !r.CanAccept() {
|
|
t.Error("unexpected false accept")
|
|
}
|
|
}
|
|
if r.CanAccept() {
|
|
t.Error("unexpected true accept")
|
|
}
|
|
}
|
|
|
|
func TestIncrementThrottle(t *testing.T) {
|
|
r := NewTokenBucketRateLimiter(1, 1)
|
|
if !r.CanAccept() {
|
|
t.Error("unexpected false accept")
|
|
}
|
|
if r.CanAccept() {
|
|
t.Error("unexpected true accept")
|
|
}
|
|
|
|
// Allow to refill
|
|
time.Sleep(2 * time.Second)
|
|
|
|
if !r.CanAccept() {
|
|
t.Error("unexpected false accept")
|
|
}
|
|
}
|
|
|
|
func TestThrottle(t *testing.T) {
|
|
r := NewTokenBucketRateLimiter(10, 5)
|
|
|
|
// Should consume 5 tokens immediately, then
|
|
// the remaining 11 should take at least 1 second (0.1s each)
|
|
expectedFinish := time.Now().Add(time.Second * 1)
|
|
for i := 0; i < 16; i++ {
|
|
r.Accept()
|
|
}
|
|
if time.Now().Before(expectedFinish) {
|
|
t.Error("rate limit was not respected, finished too early")
|
|
}
|
|
}
|