mirror of https://github.com/k3s-io/k3s
60 lines
1.8 KiB
Go
60 lines
1.8 KiB
Go
/*
|
|
Copyright 2014 Google Inc. 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 master
|
|
|
|
import (
|
|
"testing"
|
|
"time"
|
|
|
|
fake_cloud "github.com/GoogleCloudPlatform/kubernetes/pkg/cloudprovider/fake"
|
|
"github.com/GoogleCloudPlatform/kubernetes/pkg/util"
|
|
)
|
|
|
|
func TestCacheExpire(t *testing.T) {
|
|
fakeCloud := &fake_cloud.FakeCloud{}
|
|
clock := &util.FakeClock{time.Now()}
|
|
|
|
c := NewIPCache(fakeCloud, clock, 60*time.Second)
|
|
|
|
_ = c.GetInstanceIP("foo")
|
|
// This call should hit the cache, so we expect no additional calls to the cloud
|
|
_ = c.GetInstanceIP("foo")
|
|
// Advance the clock, this call should miss the cache, so expect one more call.
|
|
clock.Time = clock.Time.Add(61 * time.Second)
|
|
_ = c.GetInstanceIP("foo")
|
|
|
|
if len(fakeCloud.Calls) != 2 || fakeCloud.Calls[1] != "ip-address" || fakeCloud.Calls[0] != "ip-address" {
|
|
t.Errorf("Unexpected calls: %+v", fakeCloud.Calls)
|
|
}
|
|
}
|
|
|
|
func TestCacheNotExpire(t *testing.T) {
|
|
fakeCloud := &fake_cloud.FakeCloud{}
|
|
clock := &util.FakeClock{time.Now()}
|
|
|
|
c := NewIPCache(fakeCloud, clock, 60*time.Second)
|
|
|
|
_ = c.GetInstanceIP("foo")
|
|
// This call should hit the cache, so we expect no additional calls to the cloud
|
|
clock.Time = clock.Time.Add(60 * time.Second)
|
|
_ = c.GetInstanceIP("foo")
|
|
|
|
if len(fakeCloud.Calls) != 1 || fakeCloud.Calls[0] != "ip-address" {
|
|
t.Errorf("Unexpected calls: %+v", fakeCloud.Calls)
|
|
}
|
|
}
|