mirror of
https://gitee.com/milvus-io/milvus.git
synced 2024-12-01 19:39:21 +08:00
386 lines
8.7 KiB
Go
386 lines
8.7 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. 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 storage
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestNewLRU(t *testing.T) {
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c, err := NewLRU(1, nil)
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assert.Nil(t, err)
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assert.NotNil(t, c)
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c, err = NewLRU(0, nil)
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assert.NotNil(t, err)
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assert.Nil(t, c)
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c, err = NewLRU(-1, nil)
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assert.NotNil(t, err)
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assert.Nil(t, c)
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}
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func TestLRU_Add(t *testing.T) {
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evicted := 0
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c, err := NewLRU(2, func(interface{}, interface{}) { evicted++ })
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assert.Nil(t, err)
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testKey1 := "test_key_1"
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testValue1 := "test_value_1"
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testValueExtra := "test_value_extra"
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testKey2 := "test_key_2"
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testValue2 := "test_value_2"
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testKey3 := "test_key_3"
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testValue3 := "test_value_3"
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c.Add(testKey1, testValue1)
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c.Add(testKey2, testValue2)
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v, ok := c.Get(testKey1)
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assert.True(t, ok)
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assert.EqualValues(t, testValue1, v)
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v, ok = c.Get(testKey2)
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assert.True(t, ok)
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assert.EqualValues(t, testValue2, v)
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c.Add(testKey1, testValueExtra)
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k, v, ok := c.GetOldest()
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assert.True(t, ok)
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assert.EqualValues(t, testKey2, k)
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assert.EqualValues(t, testValue2, v)
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c.Add(testKey3, testValue3)
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v, ok = c.Get(testKey3)
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assert.True(t, ok)
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assert.EqualValues(t, testValue3, v)
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v, ok = c.Get(testKey2)
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assert.False(t, ok)
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assert.Nil(t, v)
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assert.EqualValues(t, evicted, 1)
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}
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func TestLRU_Contains(t *testing.T) {
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evicted := 0
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c, err := NewLRU(1, func(interface{}, interface{}) { evicted++ })
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assert.Nil(t, err)
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testKey1 := "test_key_1"
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testValue1 := "test_value_1"
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testKey2 := "test_key_2"
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testValue2 := "test_value_2"
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c.Add(testKey1, testValue1)
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ok := c.Contains(testKey1)
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assert.True(t, ok)
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c.Add(testKey2, testValue2)
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ok = c.Contains(testKey2)
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assert.True(t, ok)
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ok = c.Contains(testKey1)
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assert.False(t, ok)
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assert.EqualValues(t, evicted, 1)
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}
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func TestLRU_Get(t *testing.T) {
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evicted := 0
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c, err := NewLRU(1, func(interface{}, interface{}) { evicted++ })
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assert.Nil(t, err)
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testKey1 := "test_key_1"
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testValue1 := "test_value_1"
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testKey2 := "test_key_2"
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testValue2 := "test_value_2"
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c.Add(testKey1, testValue1)
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v, ok := c.Get(testKey1)
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assert.True(t, ok)
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assert.EqualValues(t, testValue1, v)
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c.Add(testKey2, testValue2)
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v, ok = c.Get(testKey2)
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assert.True(t, ok)
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assert.EqualValues(t, testValue2, v)
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v, ok = c.Get(testKey1)
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assert.False(t, ok)
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assert.Nil(t, v)
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assert.EqualValues(t, evicted, 1)
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}
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func TestLRU_GetOldest(t *testing.T) {
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evicted := 0
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c, err := NewLRU(2, func(interface{}, interface{}) { evicted++ })
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assert.Nil(t, err)
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testKey1 := "test_key_1"
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testValue1 := "test_value_1"
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testKey2 := "test_key_2"
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testValue2 := "test_value_2"
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testKey3 := "test_key_3"
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testValue3 := "test_value_3"
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k, v, ok := c.GetOldest()
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assert.False(t, ok)
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assert.Nil(t, k)
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assert.Nil(t, v)
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c.Add(testKey1, testValue1)
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k, v, ok = c.GetOldest()
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assert.True(t, ok)
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assert.EqualValues(t, testKey1, k)
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assert.EqualValues(t, testValue1, v)
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c.Add(testKey2, testValue2)
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k, v, ok = c.GetOldest()
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assert.True(t, ok)
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assert.EqualValues(t, testKey1, k)
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assert.EqualValues(t, testValue1, v)
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v, ok = c.Get(testKey1)
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assert.True(t, ok)
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assert.EqualValues(t, testValue1, v)
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k, v, ok = c.GetOldest()
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assert.True(t, ok)
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assert.EqualValues(t, testKey2, k)
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assert.EqualValues(t, testValue2, v)
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c.Add(testKey3, testValue3)
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k, v, ok = c.GetOldest()
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assert.True(t, ok)
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assert.EqualValues(t, testKey1, k)
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assert.EqualValues(t, testValue1, v)
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assert.EqualValues(t, evicted, 1)
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}
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func TestLRU_Keys(t *testing.T) {
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evicted := 0
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c, err := NewLRU(2, func(interface{}, interface{}) { evicted++ })
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assert.Nil(t, err)
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testKey1 := "test_key_1"
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testValue1 := "test_value_1"
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testKey2 := "test_key_2"
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testValue2 := "test_value_2"
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testKey3 := "test_key_3"
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testValue3 := "test_value_3"
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c.Add(testKey1, testValue1)
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c.Add(testKey2, testValue2)
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keys := c.Keys()
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assert.ElementsMatch(t, []string{testKey1, testKey2}, keys)
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v, ok := c.Get(testKey1)
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assert.True(t, ok)
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assert.EqualValues(t, testValue1, v)
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keys = c.Keys()
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assert.ElementsMatch(t, []string{testKey2, testKey1}, keys)
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c.Add(testKey3, testValue3)
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keys = c.Keys()
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assert.ElementsMatch(t, []string{testKey3, testKey1}, keys)
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assert.EqualValues(t, evicted, 1)
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}
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func TestLRU_Len(t *testing.T) {
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c, err := NewLRU(2, nil)
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assert.Nil(t, err)
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assert.EqualValues(t, c.Len(), 0)
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testKey1 := "test_key_1"
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testValue1 := "test_value_1"
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testKey2 := "test_key_2"
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testValue2 := "test_value_2"
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testKey3 := "test_key_3"
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testValue3 := "test_value_3"
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c.Add(testKey1, testValue1)
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c.Add(testKey2, testValue2)
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assert.EqualValues(t, c.Len(), 2)
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c.Add(testKey3, testValue3)
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assert.EqualValues(t, c.Len(), 2)
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}
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func TestLRU_Peek(t *testing.T) {
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c, err := NewLRU(2, nil)
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assert.Nil(t, err)
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testKey1 := "test_key_1"
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testValue1 := "test_value_1"
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testKey2 := "test_key_2"
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testValue2 := "test_value_2"
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testKeyNotExist := "not_exist"
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c.Add(testKey1, testValue1)
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v, ok := c.Peek(testKey1)
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assert.True(t, ok)
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assert.EqualValues(t, testValue1, v)
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c.Add(testKey2, testValue2)
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k, v, ok := c.GetOldest()
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assert.True(t, ok)
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assert.EqualValues(t, testKey1, k)
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assert.EqualValues(t, testValue1, v)
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v, ok = c.Peek(testKey1)
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assert.True(t, ok)
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assert.EqualValues(t, testValue1, v)
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k, v, ok = c.GetOldest()
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assert.True(t, ok)
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assert.EqualValues(t, testKey1, k)
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assert.EqualValues(t, testValue1, v)
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v, ok = c.Peek(testKeyNotExist)
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assert.False(t, ok)
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assert.Nil(t, v)
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}
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func TestLRU_Purge(t *testing.T) {
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evicted := 0
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c, err := NewLRU(2, func(interface{}, interface{}) { evicted++ })
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assert.Nil(t, err)
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assert.EqualValues(t, c.Len(), 0)
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testKey1 := "test_key_1"
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testValue1 := "test_value_1"
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testKey2 := "test_key_2"
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testValue2 := "test_value_2"
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testKey3 := "test_key_3"
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testValue3 := "test_value_3"
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c.Add(testKey1, testValue1)
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c.Add(testKey2, testValue2)
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assert.EqualValues(t, c.Len(), 2)
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c.Add(testKey3, testValue3)
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assert.EqualValues(t, c.Len(), 2)
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c.Purge()
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assert.EqualValues(t, c.Len(), 0)
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assert.EqualValues(t, evicted, 3)
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}
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func TestLRU_Remove(t *testing.T) {
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evicted := 0
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c, err := NewLRU(2, func(interface{}, interface{}) { evicted++ })
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assert.Nil(t, err)
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assert.EqualValues(t, c.Len(), 0)
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testKey1 := "test_key_1"
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testValue1 := "test_value_1"
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testKey2 := "test_key_2"
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testValue2 := "test_value_2"
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c.Add(testKey1, testValue1)
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c.Add(testKey2, testValue2)
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assert.EqualValues(t, c.Len(), 2)
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c.Remove(testKey1)
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c.Remove(testKey2)
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assert.EqualValues(t, c.Len(), 0)
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assert.EqualValues(t, evicted, 2)
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}
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func TestLRU_RemoveOldest(t *testing.T) {
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evicted := 0
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c, err := NewLRU(2, func(interface{}, interface{}) { evicted++ })
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assert.Nil(t, err)
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assert.EqualValues(t, c.Len(), 0)
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testKey1 := "test_key_1"
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testValue1 := "test_value_1"
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testKey2 := "test_key_2"
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testValue2 := "test_value_2"
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c.Add(testKey1, testValue1)
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c.Add(testKey2, testValue2)
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assert.EqualValues(t, c.Len(), 2)
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v, ok := c.Get(testKey1)
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assert.True(t, ok)
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assert.EqualValues(t, v, testValue1)
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v, ok = c.Get(testKey2)
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assert.True(t, ok)
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assert.EqualValues(t, v, testValue2)
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c.Remove(testKey1)
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c.Remove(testKey2)
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v, ok = c.Get(testKey1)
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assert.False(t, ok)
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assert.Nil(t, v)
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v, ok = c.Get(testKey2)
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assert.False(t, ok)
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assert.Nil(t, v)
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assert.EqualValues(t, c.Len(), 0)
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assert.EqualValues(t, evicted, 2)
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}
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func TestLRU_Resize(t *testing.T) {
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evicted := 0
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c, err := NewLRU(2, func(interface{}, interface{}) { evicted++ })
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assert.Nil(t, err)
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assert.EqualValues(t, c.Len(), 0)
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testKey1 := "test_key_1"
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testValue1 := "test_value_1"
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testKey2 := "test_key_2"
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testValue2 := "test_value_2"
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c.Add(testKey1, testValue1)
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c.Add(testKey2, testValue2)
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assert.EqualValues(t, c.Len(), 2)
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v, ok := c.Get(testKey1)
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assert.True(t, ok)
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assert.EqualValues(t, v, testValue1)
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v, ok = c.Get(testKey2)
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assert.True(t, ok)
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assert.EqualValues(t, v, testValue2)
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c.Resize(1)
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v, ok = c.Get(testKey1)
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assert.False(t, ok)
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assert.Nil(t, v)
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v, ok = c.Get(testKey2)
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assert.True(t, ok)
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assert.EqualValues(t, v, testValue2)
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assert.EqualValues(t, c.Len(), 1)
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assert.EqualValues(t, evicted, 1)
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c.Resize(3)
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assert.EqualValues(t, c.Len(), 1)
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assert.EqualValues(t, evicted, 1)
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}
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