diff options
Diffstat (limited to 'weed/storage/needle/needle_write_test.go')
| -rw-r--r-- | weed/storage/needle/needle_write_test.go | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/weed/storage/needle/needle_write_test.go b/weed/storage/needle/needle_write_test.go new file mode 100644 index 000000000..20dbc2554 --- /dev/null +++ b/weed/storage/needle/needle_write_test.go @@ -0,0 +1,64 @@ +package needle + +import ( + "os" + "testing" + + "github.com/chrislusf/seaweedfs/weed/storage/backend" + "github.com/chrislusf/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.") + } +} |