251 lines
6.5 KiB
Go
251 lines
6.5 KiB
Go
// Copyright 2014 beego Author. All Rights Reserved.
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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 redis
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import (
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"context"
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"errors"
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"fmt"
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"os"
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"testing"
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"time"
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"github.com/gomodule/redigo/redis"
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"github.com/stretchr/testify/assert"
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"github.com/beego/beego/v2/client/cache"
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"github.com/beego/beego/v2/core/berror"
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)
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func TestRedisCache(t *testing.T) {
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redisAddr := os.Getenv("REDIS_ADDR")
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if redisAddr == "" {
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redisAddr = "127.0.0.1:6379"
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}
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bm, err := cache.NewCache("redis", fmt.Sprintf(`{"conn": "%s"}`, redisAddr))
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assert.Nil(t, err)
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timeoutDuration := 3 * time.Second
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assert.Nil(t, bm.Put(context.Background(), "astaxie", 1, timeoutDuration))
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res, _ := bm.IsExist(context.Background(), "astaxie")
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assert.True(t, res)
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time.Sleep(5 * time.Second)
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res, _ = bm.IsExist(context.Background(), "astaxie")
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assert.False(t, res)
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assert.Nil(t, bm.Put(context.Background(), "astaxie", 1, timeoutDuration))
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val, _ := bm.Get(context.Background(), "astaxie")
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v, _ := redis.Int(val, err)
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assert.Equal(t, 1, v)
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assert.Nil(t, bm.Incr(context.Background(), "astaxie"))
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val, _ = bm.Get(context.Background(), "astaxie")
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v, _ = redis.Int(val, err)
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assert.Equal(t, 2, v)
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assert.Nil(t, bm.Decr(context.Background(), "astaxie"))
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val, _ = bm.Get(context.Background(), "astaxie")
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v, _ = redis.Int(val, err)
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assert.Equal(t, 1, v)
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assert.Nil(t, bm.Delete(context.Background(), "astaxie"))
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res, _ = bm.IsExist(context.Background(), "astaxie")
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assert.False(t, res)
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assert.Nil(t, bm.Put(context.Background(), "astaxie", "author", timeoutDuration))
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// test string
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res, _ = bm.IsExist(context.Background(), "astaxie")
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assert.True(t, res)
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val, _ = bm.Get(context.Background(), "astaxie")
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vs, _ := redis.String(val, err)
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assert.Equal(t, "author", vs)
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// test GetMulti
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assert.Nil(t, bm.Put(context.Background(), "astaxie1", "author1", timeoutDuration))
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res, _ = bm.IsExist(context.Background(), "astaxie1")
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assert.True(t, res)
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vv, _ := bm.GetMulti(context.Background(), []string{"astaxie", "astaxie1"})
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assert.Equal(t, 2, len(vv))
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vs, _ = redis.String(vv[0], nil)
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assert.Equal(t, "author", vs)
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vs, _ = redis.String(vv[1], nil)
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assert.Equal(t, "author1", vs)
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vv, _ = bm.GetMulti(context.Background(), []string{"astaxie0", "astaxie1"})
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assert.Nil(t, vv[0])
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vs, _ = redis.String(vv[1], nil)
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assert.Equal(t, "author1", vs)
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// test clear all
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assert.Nil(t, bm.ClearAll(context.Background()))
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}
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func TestCacheScan(t *testing.T) {
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timeoutDuration := 10 * time.Second
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addr := os.Getenv("REDIS_ADDR")
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if addr == "" {
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addr = "127.0.0.1:6379"
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}
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// init
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bm, err := cache.NewCache("redis", fmt.Sprintf(`{"conn": "%s"}`, addr))
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assert.Nil(t, err)
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// insert all
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for i := 0; i < 100; i++ {
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assert.Nil(t, bm.Put(context.Background(), fmt.Sprintf("astaxie%d", i), fmt.Sprintf("author%d", i), timeoutDuration))
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}
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time.Sleep(time.Second)
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// scan all for the first time
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keys, err := bm.(*Cache).Scan(DefaultKey + ":*")
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assert.Nil(t, err)
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assert.Equal(t, 100, len(keys), "scan all error")
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// clear all
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assert.Nil(t, bm.ClearAll(context.Background()))
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// scan all for the second time
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keys, err = bm.(*Cache).Scan(DefaultKey + ":*")
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assert.Nil(t, err)
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assert.Equal(t, 0, len(keys))
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}
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func TestReadThroughCache_redis_Get(t *testing.T) {
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bm, err := cache.NewCache("redis", fmt.Sprintf(`{"conn": "%s"}`, "127.0.0.1:6379"))
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assert.Nil(t, err)
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testReadThroughCacheGet(t, bm)
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}
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func testReadThroughCacheGet(t *testing.T, bm cache.Cache) {
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testCases := []struct {
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name string
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key string
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value string
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cache cache.Cache
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wantErr error
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}{
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{
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name: "Get load err",
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key: "key0",
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cache: func() cache.Cache {
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kvs := map[string]any{"key0": "value0"}
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db := &MockOrm{kvs: kvs}
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loadfunc := func(ctx context.Context, key string) (any, error) {
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v, er := db.Load(key)
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if er != nil {
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return nil, er
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}
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val := []byte(v.(string))
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return val, nil
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}
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c, err := cache.NewReadThroughCache(bm, 3*time.Second, loadfunc)
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assert.Nil(t, err)
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return c
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}(),
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wantErr: func() error {
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err := errors.New("the key not exist")
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return berror.Wrap(
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err, cache.LoadFuncFailed, "cache unable to load data")
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}(),
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},
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{
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name: "Get cache exist",
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key: "key1",
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value: "value1",
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cache: func() cache.Cache {
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keysMap := map[string]int{"key1": 1}
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kvs := map[string]any{"key1": "value1"}
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db := &MockOrm{keysMap: keysMap, kvs: kvs}
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loadfunc := func(ctx context.Context, key string) (any, error) {
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v, er := db.Load(key)
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if er != nil {
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return nil, er
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}
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val := []byte(v.(string))
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return val, nil
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}
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c, err := cache.NewReadThroughCache(bm, 3*time.Second, loadfunc)
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assert.Nil(t, err)
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err = c.Put(context.Background(), "key1", "value1", 3*time.Second)
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assert.Nil(t, err)
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return c
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}(),
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},
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{
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name: "Get loadFunc exist",
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key: "key2",
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value: "value2",
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cache: func() cache.Cache {
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keysMap := map[string]int{"key2": 1}
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kvs := map[string]any{"key2": "value2"}
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db := &MockOrm{keysMap: keysMap, kvs: kvs}
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loadfunc := func(ctx context.Context, key string) (any, error) {
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v, er := db.Load(key)
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if er != nil {
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return nil, er
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}
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val := []byte(v.(string))
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return val, nil
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}
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c, err := cache.NewReadThroughCache(bm, 3*time.Second, loadfunc)
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assert.Nil(t, err)
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return c
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}(),
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},
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}
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_, err := cache.NewReadThroughCache(bm, 3*time.Second, nil)
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assert.Equal(t, berror.Error(cache.InvalidLoadFunc, "loadFunc cannot be nil"), err)
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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bs := []byte(tc.value)
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c := tc.cache
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val, err := c.Get(context.Background(), tc.key)
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if err != nil {
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assert.EqualError(t, tc.wantErr, err.Error())
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return
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}
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assert.Equal(t, bs, val)
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})
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}
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}
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type MockOrm struct {
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keysMap map[string]int
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kvs map[string]any
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}
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func (m *MockOrm) Load(key string) (any, error) {
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_, ok := m.keysMap[key]
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if !ok {
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return nil, errors.New("the key not exist")
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}
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return m.kvs[key], nil
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}
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