func TestCacheSetSuite3(t *testing.T) {
cache := New(4)
cache.Set(tools.NewStoredData([]byte("TEST"), "key"), 0, 0, 0)
l := cache.list.Len()
cache.Set(tools.NewStoredData([]byte("TEST"), "not_key"), 0, 0, 0)
if cache.list.Len() != l {
t.Fatalf("Error occured during appending of exceeding item.")
}
}
func TestCacheSetSuite4(t *testing.T) {
cache := New(4)
cache.Set(tools.NewStoredData([]byte("TEST"), "key"), 0, 0, 0)
if cache.Set(tools.NewStoredData([]byte("HUGE AMOUNT OF DATA"), "not_key"), 0, 0, 0) {
t.Fatalf("Error occured during appending item of unappropriate size.")
}
if cache.list.Len() != 0 {
t.Fatalf("Error occured during appending of exceeding item.")
}
}
func TestOldestItem(t *testing.T) {
cache := New(42)
cache.Set(tools.NewStoredData([]byte("NOTOLD"), "key1"), 0, 0, 0)
cache.Set(tools.NewStoredData([]byte("TEST"), "key2"), 0, 0, 0)
cache.Set(tools.NewStoredData([]byte("OLD"), "key3"), 0, 0, 0)
cache.Get("key1")
cache.Get("key2")
ts := cache.Oldest()
if ts != cache.Get("key3").ts {
t.Fatalf("Unexpected oldest value; expected timestamp %d, received %d", cache.Get("key3").ts, ts)
}
}
func TestCacheGetSuite2(t *testing.T) {
cache := New(10)
cache.Set(tools.NewStoredData([]byte("TEST"), "key1"), 0, 0, 0)
l_elem := cache.items["key1"].listElement
cache.Set(tools.NewStoredData([]byte("TEST"), "key2"), 0, 0, 0)
if l_elem == cache.list.Front() {
t.Fatalf("Wrong list element position.")
}
cache.Get("key1")
if l_elem != cache.list.Front() {
t.Fatalf("Wrong list element position after retrieving.")
}
}
func TestCacheFlushAll(t *testing.T) {
cache := New(10)
cache.Set(tools.NewStoredData([]byte("TEST"), "key1"), 0, 0, 0)
cache.Set(tools.NewStoredData([]byte("TEST"), "key2"), 0, 0, 0)
if cache.list.Len() != 2 {
t.Fatalf("Error occurred during setting of elements.")
}
cache.FlushAll()
if cache.list.Len() != 0 {
t.Fatalf("Error occured during flushing all elements.")
}
}
func TestCacheSetSuite2(t *testing.T) {
cache := New(50)
cache.Set(tools.NewStoredData([]byte("TEST1"), "key1"), 0, 0, 0)
l_elem := cache.items["key1"].listElement
cache.Set(tools.NewStoredData([]byte("TEST2"), "key2"), 0, 0, 0)
l := cache.list.Len()
if !cache.Set(tools.NewStoredData([]byte("CHANGED"), "key1"), 0, 0, 0) {
t.Fatalf("Unexpected value.")
}
if cache.list.Len() != l {
t.Fatalf("Error occured during updating of item.")
}
if l_elem != cache.list.Front() {
t.Fatalf("Error occured during promoting of item.")
}
}
// Implements set method
func (enum *Ascii_protocol_enum) set(storage *cache.LRUCache) (string, error) {
if storage.Set(tools.NewStoredData(enum.data_string, enum.key[0]), enum.flags, enum.exptime, 0) {
return STORED, nil
} else {
return strings.Replace(SERVER_ERROR_TEMP, "%s", "Not enough memory", 1), errors.New("SERVER_ERROR")
}
}
func TestCacheGetSuite4(t *testing.T) {
cache := New(10)
cache.Set(tools.NewStoredData([]byte("TEST"), "key"), 0, 0, 0)
res := cache.Get("key1")
if res != nil {
t.Fatalf("Unexpected value.", res)
}
}
func TestCacheGetSuite3(t *testing.T) {
cache := New(10)
cache.Set(tools.NewStoredData([]byte("TEST"), "key"), 0, 1111111, 0) // Should be immediately expired
res := cache.Get("key")
if res != nil {
t.Fatalf("Unexpected value.", res)
}
}
func TestCacheSetSuite1(t *testing.T) {
cache := New(50)
if !cache.Set(tools.NewStoredData([]byte("TEST"), "key"), 0, 0, 0) {
t.Fatalf("Unexpected value.")
}
if cache.list.Len() == 0 {
t.Fatalf("Error occured during setting of element.")
}
}
func TestCacheSetCasSuite(t *testing.T) {
cache := New(10)
cache.Set(tools.NewStoredData([]byte("TEST"), "key"), 0, 0, 0)
if cache.SetCas("not_key", 424242) || !cache.SetCas("key", 424242) {
t.Fatalf("Unexpected behavior")
}
if cache.Get("key").Cas_unique != 424242 {
t.Fatalf("Cas unique wasn't set")
}
}
func TestHandlingSuiteCas2(t *testing.T) {
var storage = cache.New(42)
if !storage.Set(tools.NewStoredData([]byte("test1"), "key"), 0, 0, 0) {
t.Fatalf("Unexpecting behavior ")
}
var testEnum = Ascii_protocol_enum{"cas", []string{"key"}, 1, 0, 42, 424242, false, make([]byte, 42), ""}
res, err := testEnum.HandleRequest(storage, nil)
if err != nil || string(res) != NOT_FOUND {
t.Fatalf("Unexpected returned values of handling: ", err, res)
}
}
func TestCacheGetSuite1(t *testing.T) {
cache := New(10)
cache.Set(tools.NewStoredData([]byte("TEST"), "key"), 0, 0, 0)
res := cache.Get("key")
if res == nil {
t.Fatalf("Unexpected value.", res)
}
extr := tools.ExtractStoredData(res.Cacheable)
if string(extr) != "TEST" {
t.Fatalf("Wrong returned value: %s", string(extr))
}
}
func TestCacheFlushItemSuite2(t *testing.T) {
cache := New(10)
cache.Set(tools.NewStoredData([]byte("TEST"), "key1"), 0, 0, 0)
if cache.list.Len() == 0 {
t.Fatalf("Error occurred during setting of element.")
}
if cache.Flush("key2") {
t.Fatalf("Unexpected result of flushing.")
}
if cache.list.Len() == 0 {
t.Fatalf("The length of list was changed.")
}
}
func TestCrawlerExpiring(t *testing.T) {
cache := New(4242)
crawler := cache.Crawler
if crawler.SetSleep(10) != nil {
t.Fatalf("Unexpected behavior")
}
crawler.ItemsPerRun = 10
for i := 0; i < 100; i++ {
cache.Set(tools.NewStoredData([]byte("TEST"), "key"+string(byte(i))), 0, 424242, 0)
}
for i := 0; i < 50; i++ {
cache.Set(tools.NewStoredData([]byte("TEST"), "1key"+string(byte(i))), 0, 4242424242, 0)
}
err := cache.EnableCrawler()
if err != nil {
t.Fatalf("Unexpected behavior: crawler is disabled.", err)
}
time.Sleep(time.Millisecond * time.Duration(100))
end_len := cache.list.Len()
if end_len != 50 {
t.Fatalf("Unexpected crawler's behavior: cache has %d items.", end_len)
}
}
func TestCrawlerEnablingDisabling(t *testing.T) {
cache := New(42)
crawler := cache.Crawler
err := cache.EnableCrawler()
time.Sleep(time.Millisecond)
if crawler.enabled || err == nil {
t.Fatalf("Crawler enabled meanwhile items per run wasn't specified.")
}
crawler.ItemsPerRun = 10
cache.Set(tools.NewStoredData([]byte("TEST"), "test"), 0, 0, 0)
err = cache.EnableCrawler()
time.Sleep(time.Millisecond)
if !crawler.enabled || err != nil {
t.Fatalf("Unexpected behavior: crawler is disabled.", err)
}
cache.DisableCrawler()
if crawler.enabled {
t.Fatalf("Unexpected behavior: crawler still runing.")
}
}
// Utility method, for joining common parts of incr/decr methods.
// Receives additional param sign, which defines operation: -1 or 1
func (enum *Ascii_protocol_enum) fold(storage *cache.LRUCache, sign int) (string, error) {
if item := storage.Get(enum.key[0]); item != nil && (sign == 1 || sign == -1) {
existed_data := tools.ExtractStoredData(item.Cacheable)
if existed_data != nil {
evaluated_data_for_existed, err_for_existed := tools.StringToInt64(string(existed_data))
evaluated_data_for_passed, err_for_passed := tools.StringToUInt64(string(enum.data_string))
if err_for_existed == nil && err_for_passed == nil {
var result string
if sign > 0 {
result = tools.IntToString(evaluated_data_for_existed + int64(evaluated_data_for_passed))
} else {
result = tools.IntToString(evaluated_data_for_existed - int64(evaluated_data_for_passed))
}
if storage.Set(tools.NewStoredData([]byte(result), enum.key[0]), item.Flags, item.Exptime, 0) {
return result + "\r\n", nil
}
return strings.Replace(SERVER_ERROR_TEMP, "%s", "Not enough memory", 1), errors.New("SERVER_ERROR")
}
return ERROR_TEMP, nil
}
}
return NOT_FOUND, nil
}
