mirror of
https://github.com/EchoVault/SugarDB.git
synced 2025-10-06 00:16:53 +08:00
49 lines
1.3 KiB
Go
49 lines
1.3 KiB
Go
// Copyright 2024 Kelvin Clement Mwinuka
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package eviction_test
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import (
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"container/heap"
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"github.com/echovault/echovault/internal/eviction"
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"testing"
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"time"
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)
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func Test_CacheLRU(t *testing.T) {
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keys := []string{"key1", "key2", "key3", "key4", "key5"}
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cache := eviction.NewCacheLRU()
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for _, key := range keys {
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cache.Update(key)
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}
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access := []string{"key3", "key4", "key1", "key2", "key5"}
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ticker := time.NewTicker(200 * time.Millisecond)
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for _, key := range access {
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cache.Update(key)
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// Yield
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<-ticker.C
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}
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ticker.Stop()
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for i := len(access) - 1; i >= 0; i-- {
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key := heap.Pop(cache).(string)
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if key != access[i] {
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t.Errorf("expected key at index %d to be %s, got %s", i, access[i], key)
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}
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}
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}
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