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Add donut tests, just for verification

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This commit is contained in:
Harshavardhana 2015-02-18 19:46:01 -08:00
parent aa2c622f52
commit c4f0aad9b5
2 changed files with 73 additions and 3 deletions
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24
pkg/storage/donut/donut.go
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@ -17,12 +17,14 @@
package donut
import (
"encoding/binary"
"io"
)
/*
** DONUT v1 Spec **
DONUT v1 Spec
**********************
BlockStart [4]byte // Magic="MINI"
VersionMajor uint16
VersionMinor uint16
@ -35,6 +37,7 @@ import (
Data io.Reader // matches length
BlockLen uint64 // length to block start
BlockEnd [4]byte // Magic="INIM"
*/
type DonutStructure struct {
@ -81,10 +84,25 @@ func (donut *Donut) Write(gobHeader GobHeader, object io.Reader) error {
BlockLen: 0,
BlockEnd: [4]byte{'I', 'N', 'I', 'M'},
}
if err := WriteStructure(donut.file, donutStructure); err != nil {
if err := donut.WriteStructure(donut.file, donutStructure); err != nil {
return err
}
return nil
}
func WriteStructure(target io.Writer, donutStructure DonutStructure) error { return nil }
func (donut *Donut) WriteStructure(target io.Writer, donutStructure DonutStructure) error {
err := binary.Write(target, binary.LittleEndian, donutStructure.BlockStart)
err = binary.Write(target, binary.LittleEndian, donutStructure.VersionMajor)
err = binary.Write(target, binary.LittleEndian, donutStructure.VersionMinor)
err = binary.Write(target, binary.LittleEndian, donutStructure.VersionPatch)
err = binary.Write(target, binary.LittleEndian, donutStructure.VersionReserved)
err = binary.Write(target, binary.LittleEndian, donutStructure.Reserved)
err = binary.Write(target, binary.LittleEndian, donutStructure.GobHeaderLen)
err = binary.Write(target, binary.LittleEndian, donutStructure.GobHeader)
err = binary.Write(target, binary.LittleEndian, donutStructure.BlockData)
err = binary.Write(target, binary.LittleEndian, donutStructure.Data)
err = binary.Write(target, binary.LittleEndian, donutStructure.BlockLen)
err = binary.Write(target, binary.LittleEndian, donutStructure.BlockEnd)
return err
}

52
pkg/storage/donut/donut_test.go Normal file
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@ -0,0 +1,52 @@
/*
* Mini Object Storage, (C) 2015 Minio, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package donut
import (
"bytes"
. "gopkg.in/check.v1"
"testing"
)
func Test(t *testing.T) { TestingT(t) }
type MySuite struct{}
var _ = Suite(&MySuite{})
func (s *MySuite) TestAPISuite(c *C) {
var b bytes.Buffer
var o bytes.Buffer
donut := Donut{&b}
gobheader := GobHeader{}
err := donut.Write(gobheader, &o)
c.Assert(err, IsNil)
c.Log(b.Bytes())
blockStart := make([]byte, 4)
blockEnd := make([]byte, 4)
n, _ := b.Read(blockStart)
b.Next(b.Len() - n) // jump ahead
b.Read(blockEnd)
blockStartCheck := []byte{'M', 'I', 'N', 'I'}
blockEndCheck := []byte{'I', 'N', 'I', 'M'}
c.Assert(blockStart, DeepEquals, blockStartCheck)
c.Assert(blockEnd, DeepEquals, blockEndCheck)
}