frostfs-s3-gw/api/cache/objectslist_test.go

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package cache
import (
"crypto/rand"
"crypto/sha256"
"testing"
"time"
cid "github.com/nspcc-dev/neofs-api-go/pkg/container/id"
"github.com/nspcc-dev/neofs-api-go/pkg/object"
"github.com/stretchr/testify/require"
)
const testingCacheLifetime = 5 * time.Second
const testingCacheSize = 10
func getTestObjectsListConfig() *Config {
return &Config{
Size: testingCacheSize,
Lifetime: testingCacheLifetime,
}
}
func randID(t *testing.T) *object.ID {
id := object.NewID()
id.SetSHA256(randSHA256Checksum(t))
return id
}
func randSHA256Checksum(t *testing.T) (cs [sha256.Size]byte) {
_, err := rand.Read(cs[:])
require.NoError(t, err)
return
}
func TestObjectsListCache(t *testing.T) {
var (
listSize = 10
ids []*object.ID
userKey = "key"
)
for i := 0; i < listSize; i++ {
id := randID(t)
ids = append(ids, id)
}
t.Run("lifetime", func(t *testing.T) {
var (
config = getTestObjectsListConfig()
cache = NewObjectsListCache(config)
cacheKey = ObjectsListKey{cid: userKey}
)
err := cache.Put(cacheKey, ids)
require.NoError(t, err)
condition := func() bool {
return cache.Get(cacheKey) == nil
}
require.Never(t, condition, config.Lifetime, time.Second)
require.Eventually(t, condition, time.Second, 10*time.Millisecond)
})
t.Run("get cache with empty prefix", func(t *testing.T) {
var (
cache = NewObjectsListCache(getTestObjectsListConfig())
cacheKey = ObjectsListKey{cid: userKey}
)
err := cache.Put(cacheKey, ids)
require.NoError(t, err)
actual := cache.Get(cacheKey)
require.Equal(t, len(ids), len(actual))
for i := range ids {
require.Equal(t, ids[i], actual[i])
}
})
t.Run("get cache with prefix", func(t *testing.T) {
cacheKey := ObjectsListKey{
cid: userKey,
prefix: "dir",
}
cache := NewObjectsListCache(getTestObjectsListConfig())
err := cache.Put(cacheKey, ids)
require.NoError(t, err)
actual := cache.Get(cacheKey)
require.Equal(t, len(ids), len(actual))
for i := range ids {
require.Equal(t, ids[i], actual[i])
}
})
t.Run("get cache with other prefix", func(t *testing.T) {
var (
cacheKey = ObjectsListKey{
cid: userKey,
prefix: "dir",
}
newKey = ObjectsListKey{
cid: "key",
prefix: "obj",
}
)
cache := NewObjectsListCache(getTestObjectsListConfig())
err := cache.Put(cacheKey, ids)
require.NoError(t, err)
actual := cache.Get(newKey)
require.Nil(t, actual)
})
t.Run("get cache with non-existing key", func(t *testing.T) {
var (
cacheKey = ObjectsListKey{
cid: userKey,
}
newKey = ObjectsListKey{
cid: "asdf",
}
)
cache := NewObjectsListCache(getTestObjectsListConfig())
err := cache.Put(cacheKey, ids)
require.NoError(t, err)
actual := cache.Get(newKey)
require.Nil(t, actual)
})
}
func TestCleanCacheEntriesChangedWithPutObject(t *testing.T) {
var (
cid = cid.New()
oids = []*object.ID{randID(t)}
keys []ObjectsListKey
)
for _, p := range []string{"", "dir/", "dir/lol/"} {
keys = append(keys, ObjectsListKey{cid: cid.String(), prefix: p})
}
t.Run("put object to the root of the bucket", func(t *testing.T) {
config := getTestObjectsListConfig()
config.Lifetime = time.Minute
cache := NewObjectsListCache(config)
for _, k := range keys {
err := cache.Put(k, oids)
require.NoError(t, err)
}
cache.CleanCacheEntriesContainingObject("obj1", cid)
for _, k := range keys {
list := cache.Get(k)
if k.prefix == "" {
require.Nil(t, list)
} else {
require.NotNil(t, list)
}
}
})
t.Run("put object to dir/", func(t *testing.T) {
config := getTestObjectsListConfig()
config.Lifetime = time.Minute
cache := NewObjectsListCache(config)
for _, k := range keys {
err := cache.Put(k, oids)
require.NoError(t, err)
}
cache.CleanCacheEntriesContainingObject("dir/obj", cid)
for _, k := range keys {
list := cache.Get(k)
if k.prefix == "" || k.prefix == "dir/" {
require.Nil(t, list)
} else {
require.NotNil(t, list)
}
}
})
t.Run("put object to dir/lol/", func(t *testing.T) {
config := getTestObjectsListConfig()
config.Lifetime = time.Minute
cache := NewObjectsListCache(config)
for _, k := range keys {
err := cache.Put(k, oids)
require.NoError(t, err)
}
cache.CleanCacheEntriesContainingObject("dir/lol/obj", cid)
for _, k := range keys {
list := cache.Get(k)
require.Nil(t, list)
}
})
}