56 lines
1.6 KiB
Go
56 lines
1.6 KiB
Go
/*
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Copyright 2020 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package kubelet
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import (
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"testing"
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"time"
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"github.com/golang/groupcache/lru"
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)
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func TestTimeCache(t *testing.T) {
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cache := &timeCache{cache: lru.New(2)}
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if a, ok := cache.Get("123"); ok {
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t.Errorf("expected cache miss, got %v, %v", a, ok)
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}
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now := time.Now()
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soon := now.Add(time.Minute)
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cache.Add("now", now)
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cache.Add("soon", soon)
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if a, ok := cache.Get("now"); !ok || !a.Equal(now) {
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t.Errorf("expected cache hit matching %v, got %v, %v", now, a, ok)
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}
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if a, ok := cache.Get("soon"); !ok || !a.Equal(soon) {
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t.Errorf("expected cache hit matching %v, got %v, %v", soon, a, ok)
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}
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then := now.Add(-time.Minute)
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cache.Add("then", then)
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if a, ok := cache.Get("now"); ok {
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t.Errorf("expected cache miss from oldest evicted value, got %v, %v", a, ok)
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}
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if a, ok := cache.Get("soon"); !ok || !a.Equal(soon) {
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t.Errorf("expected cache hit matching %v, got %v, %v", soon, a, ok)
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}
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if a, ok := cache.Get("then"); !ok || !a.Equal(then) {
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t.Errorf("expected cache hit matching %v, got %v, %v", then, a, ok)
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}
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}
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