mirror of
https://github.com/seaweedfs/seaweedfs.git
synced 2024-12-21 15:28:14 +08:00
65 lines
2.6 KiB
Go
65 lines
2.6 KiB
Go
package needle
|
|
|
|
import (
|
|
"os"
|
|
"testing"
|
|
|
|
"github.com/seaweedfs/seaweedfs/weed/storage/backend"
|
|
"github.com/seaweedfs/seaweedfs/weed/storage/types"
|
|
)
|
|
|
|
func TestAppend(t *testing.T) {
|
|
n := &Needle{
|
|
|
|
Cookie: types.Cookie(123), // Cookie Cookie `comment:"random number to mitigate brute force lookups"`
|
|
Id: types.NeedleId(123), // Id NeedleId `comment:"needle id"`
|
|
Size: 8, // Size uint32 `comment:"sum of DataSize,Data,NameSize,Name,MimeSize,Mime"`
|
|
DataSize: 4, // DataSize uint32 `comment:"Data size"` //version2
|
|
Data: []byte("abcd"), // Data []byte `comment:"The actual file data"`
|
|
Flags: 0, // Flags byte `comment:"boolean flags"` //version2
|
|
NameSize: 0, // NameSize uint8 //version2
|
|
Name: nil, // Name []byte `comment:"maximum 256 characters"` //version2
|
|
MimeSize: 0, // MimeSize uint8 //version2
|
|
Mime: nil, // Mime []byte `comment:"maximum 256 characters"` //version2
|
|
PairsSize: 0, // PairsSize uint16 //version2
|
|
Pairs: nil, // Pairs []byte `comment:"additional name value pairs, json format, maximum 6
|
|
LastModified: 123, // LastModified uint64 //only store LastModifiedBytesLength bytes, which is 5 bytes
|
|
Ttl: nil, // Ttl *TTL
|
|
Checksum: 123, // Checksum CRC `comment:"CRC32 to check integrity"`
|
|
AppendAtNs: 123, // AppendAtNs uint64 `comment:"append timestamp in nano seconds"` //version3
|
|
Padding: nil, // Padding []byte `comment:"Aligned to 8 bytes"`
|
|
}
|
|
|
|
tempFile, err := os.CreateTemp("", ".dat")
|
|
if err != nil {
|
|
t.Errorf("Fail TempFile. %v", err)
|
|
return
|
|
}
|
|
|
|
/*
|
|
uint8 : 0 to 255
|
|
uint16 : 0 to 65535
|
|
uint32 : 0 to 4294967295
|
|
uint64 : 0 to 18446744073709551615
|
|
int8 : -128 to 127
|
|
int16 : -32768 to 32767
|
|
int32 : -2147483648 to 2147483647
|
|
int64 : -9223372036854775808 to 9223372036854775807
|
|
*/
|
|
|
|
fileSize := int64(4294967296) + 10000
|
|
tempFile.Truncate(fileSize)
|
|
defer func() {
|
|
tempFile.Close()
|
|
os.Remove(tempFile.Name())
|
|
}()
|
|
|
|
datBackend := backend.NewDiskFile(tempFile)
|
|
defer datBackend.Close()
|
|
|
|
offset, _, _, _ := n.Append(datBackend, CurrentVersion)
|
|
if offset != uint64(fileSize) {
|
|
t.Errorf("Fail to Append Needle.")
|
|
}
|
|
}
|