You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
67 lines
2.1 KiB
67 lines
2.1 KiB
package testdata
|
|
|
|
import (
|
|
"context"
|
|
"errors"
|
|
"testing"
|
|
)
|
|
|
|
func TestMultiCache(t *testing.T) {
|
|
id := int64(1)
|
|
d := New()
|
|
meta := map[int64]*Demo{id: {ID: id}}
|
|
getsFromCache := func(c context.Context, keys []int64) (map[int64]*Demo, error) { return meta, nil }
|
|
notGetsFromCache := func(c context.Context, keys []int64) (map[int64]*Demo, error) { return nil, errors.New("err") }
|
|
// 缓存返回了部分数据
|
|
partFromCache := func(c context.Context, keys []int64) (map[int64]*Demo, error) { return meta, errors.New("err") }
|
|
getsFromSource := func(c context.Context, keys []int64) (map[int64]*Demo, error) { return meta, nil }
|
|
notGetsFromSource := func(c context.Context, keys []int64) (map[int64]*Demo, error) {
|
|
return meta, errors.New("err")
|
|
}
|
|
addToCache := func(c context.Context, values map[int64]*Demo) error { return nil }
|
|
// gets from cache
|
|
_multiCacheFunc = getsFromCache
|
|
_multiRawFunc = notGetsFromSource
|
|
_multiAddCacheFunc = addToCache
|
|
res, err := d.Demos(context.TODO(), []int64{id})
|
|
if err != nil {
|
|
t.Fatalf("err should be nil, get: %v", err)
|
|
}
|
|
if res[1].ID != 1 {
|
|
t.Fatalf("id should be 1")
|
|
}
|
|
// get from source
|
|
_multiCacheFunc = notGetsFromCache
|
|
_multiRawFunc = getsFromSource
|
|
res, err = d.Demos(context.TODO(), []int64{1, 2, 3, 4, 5, 6})
|
|
if err != nil {
|
|
t.Fatalf("err should be nil, get: %v", err)
|
|
}
|
|
if res[1].ID != 1 {
|
|
t.Fatalf("id should be 1")
|
|
}
|
|
// 缓存失败 返回部分数据 回源也失败的情况
|
|
_multiCacheFunc = partFromCache
|
|
_multiRawFunc = notGetsFromSource
|
|
res, err = d.Demos(context.TODO(), []int64{id})
|
|
if err == nil {
|
|
t.Fatalf("err should be nil, get: %v", err)
|
|
}
|
|
if res[1].ID != 1 {
|
|
t.Fatalf("id should be 1")
|
|
}
|
|
// with null cache
|
|
nullCache := &Demo{ID: -1}
|
|
getNullFromCache := func(c context.Context, keys []int64) (map[int64]*Demo, error) {
|
|
return map[int64]*Demo{id: nullCache}, nil
|
|
}
|
|
_multiCacheFunc = getNullFromCache
|
|
_multiRawFunc = notGetsFromSource
|
|
res, err = d.Demos(context.TODO(), []int64{id})
|
|
if err != nil {
|
|
t.Fatalf("err should be nil, get: %v", err)
|
|
}
|
|
if res[id] != nil {
|
|
t.Fatalf("res should be nil")
|
|
}
|
|
}
|
|
|