91 lines
2.2 KiB
Go
91 lines
2.2 KiB
Go
// Copyright 2014 beego Author. All Rights Reserved.
|
|
//
|
|
// 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 cache
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"sync"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/stretchr/testify/assert"
|
|
)
|
|
|
|
func TestSingleflight_Memory_Get(t *testing.T) {
|
|
bm, err := NewCache("memory", `{"interval":20}`)
|
|
assert.Nil(t, err)
|
|
|
|
testSingleflightCacheConcurrencyGet(t, bm)
|
|
}
|
|
|
|
func TestSingleflight_file_Get(t *testing.T) {
|
|
fc := NewFileCache().(*FileCache)
|
|
fc.CachePath = "////aaa"
|
|
err := fc.Init()
|
|
assert.NotNil(t, err)
|
|
fc.CachePath = getTestCacheFilePath()
|
|
err = fc.Init()
|
|
assert.Nil(t, err)
|
|
|
|
testSingleflightCacheConcurrencyGet(t, fc)
|
|
}
|
|
|
|
func testSingleflightCacheConcurrencyGet(t *testing.T, bm Cache) {
|
|
key, value := "key3", "value3"
|
|
db := &MockOrm{keysMap: map[string]int{key: 1}, kvs: map[string]any{key: value}}
|
|
c, err := NewSingleflightCache(bm, 10*time.Second,
|
|
func(ctx context.Context, key string) (any, error) {
|
|
val, er := db.Load(key)
|
|
if er != nil {
|
|
return nil, er
|
|
}
|
|
return val, nil
|
|
})
|
|
assert.Nil(t, err)
|
|
|
|
var wg sync.WaitGroup
|
|
wg.Add(10)
|
|
for i := 0; i < 10; i++ {
|
|
go func() {
|
|
defer wg.Done()
|
|
val, err := c.Get(context.Background(), key)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
assert.Equal(t, value, val)
|
|
}()
|
|
time.Sleep(1 * time.Millisecond)
|
|
}
|
|
wg.Wait()
|
|
}
|
|
|
|
func ExampleNewSingleflightCache() {
|
|
c := NewMemoryCache()
|
|
c, err := NewSingleflightCache(c, time.Minute, func(ctx context.Context, key string) (any, error) {
|
|
return fmt.Sprintf("hello, %s", key), nil
|
|
})
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
val, err := c.Get(context.Background(), "Beego")
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
fmt.Print(val)
|
|
// Output:
|
|
// hello, Beego
|
|
}
|