beego/client/cache/read_through_test.go
Stone-afk 882130421d feature extend readthrough for cache module (#5116)
* feature 增加readthrough
2023-05-27 14:41:51 +08:00

145 lines
3.6 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"
"errors"
"testing"
"time"
"github.com/beego/beego/v2/core/berror"
"github.com/stretchr/testify/assert"
)
func TestReadThroughCache_Memory_Get(t *testing.T) {
bm, err := NewCache("memory", `{"interval":20}`)
assert.Nil(t, err)
testReadThroughCacheGet(t, bm)
}
func TestReadThroughCache_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)
testReadThroughCacheGet(t, fc)
}
func testReadThroughCacheGet(t *testing.T, bm Cache) {
testCases := []struct {
name string
key string
value string
cache Cache
wantErr error
}{
{
name: "Get load err",
key: "key0",
cache: func() Cache {
kvs := map[string]any{"key0": "value0"}
db := &MockOrm{kvs: kvs}
loadfunc := func(ctx context.Context, key string) (any, error) {
val, er := db.Load(key)
if er != nil {
return nil, er
}
return val, nil
}
c, err := NewReadThroughCache(bm, 3*time.Second, loadfunc)
assert.Nil(t, err)
return c
}(),
wantErr: func() error {
err := errors.New("the key not exist")
return berror.Wrap(
err, LoadFuncFailed, "cache unable to load data")
}(),
},
{
name: "Get cache exist",
key: "key1",
value: "value1",
cache: func() Cache {
keysMap := map[string]int{"key1": 1}
kvs := map[string]any{"key1": "value1"}
db := &MockOrm{keysMap: keysMap, kvs: kvs}
loadfunc := func(ctx context.Context, key string) (any, error) {
val, er := db.Load(key)
if er != nil {
return nil, er
}
return val, nil
}
c, err := NewReadThroughCache(bm, 3*time.Second, loadfunc)
assert.Nil(t, err)
err = c.Put(context.Background(), "key1", "value1", 3*time.Second)
assert.Nil(t, err)
return c
}(),
},
{
name: "Get loadFunc exist",
key: "key2",
value: "value2",
cache: func() Cache {
keysMap := map[string]int{"key2": 1}
kvs := map[string]any{"key2": "value2"}
db := &MockOrm{keysMap: keysMap, kvs: kvs}
loadfunc := func(ctx context.Context, key string) (any, error) {
val, er := db.Load(key)
if er != nil {
return nil, er
}
return val, nil
}
c, err := NewReadThroughCache(bm, 3*time.Second, loadfunc)
assert.Nil(t, err)
return c
}(),
},
}
_, err := NewReadThroughCache(bm, 3*time.Second, nil)
assert.Equal(t, berror.Error(InvalidLoadFunc, "loadFunc cannot be nil"), err)
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
c := tc.cache
val, err := c.Get(context.Background(), tc.key)
if err != nil {
assert.EqualError(t, tc.wantErr, err.Error())
return
}
assert.Equal(t, tc.value, val)
})
}
}
type MockOrm struct {
keysMap map[string]int
kvs map[string]any
}
func (m *MockOrm) Load(key string) (any, error) {
_, ok := m.keysMap[key]
if !ok {
return nil, errors.New("the key not exist")
}
return m.kvs[key], nil
}