kubernetes runtime_cache_test 源码
kubernetes runtime_cache_test 代码
文件路径：/pkg/kubelet/container/runtime_cache_test.go
/*
Copyright 2015 The Kubernetes Authors.
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 container_test
import (
"reflect"
"testing"
"time"
. "k8s.io/kubernetes/pkg/kubelet/container"
ctest "k8s.io/kubernetes/pkg/kubelet/container/testing"
)
func comparePods(t *testing.T, expected []*ctest.FakePod, actual []*Pod) {
if len(expected) != len(actual) {
t.Errorf("expected %d pods, got %d instead", len(expected), len(actual))
}
for i := range expected {
if !reflect.DeepEqual(expected[i].Pod, actual[i]) {
t.Errorf("expected %#v, got %#v", expected[i].Pod, actual[i])
}
}
}
func TestGetPods(t *testing.T) {
runtime := &ctest.FakeRuntime{}
expected := []*ctest.FakePod{{Pod: &Pod{ID: "1111"}}, {Pod: &Pod{ID: "2222"}}, {Pod: &Pod{ID: "3333"}}}
runtime.PodList = expected
cache := NewTestRuntimeCache(runtime)
actual, err := cache.GetPods()
if err != nil {
t.Errorf("unexpected error %v", err)
}
comparePods(t, expected, actual)
}
func TestForceUpdateIfOlder(t *testing.T) {
runtime := &ctest.FakeRuntime{}
cache := NewTestRuntimeCache(runtime)
// Cache old pods.
oldpods := []*ctest.FakePod{{Pod: &Pod{ID: "1111"}}}
runtime.PodList = oldpods
cache.UpdateCacheWithLock()
// Update the runtime to new pods.
newpods := []*ctest.FakePod{{Pod: &Pod{ID: "1111"}}, {Pod: &Pod{ID: "2222"}}, {Pod: &Pod{ID: "3333"}}}
runtime.PodList = newpods
// An older timestamp should not force an update.
cache.ForceUpdateIfOlder(time.Now().Add(-20 * time.Minute))
actual := cache.GetCachedPods()
comparePods(t, oldpods, actual)
// A newer timestamp should force an update.
cache.ForceUpdateIfOlder(time.Now().Add(20 * time.Second))
actual = cache.GetCachedPods()
comparePods(t, newpods, actual)
}
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