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132 lines
3.7 KiB
132 lines
3.7 KiB
/*
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* Mini Object Storage, (C) 2015 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package v1
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import (
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"bytes"
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"crypto/sha512"
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"encoding/binary"
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"testing"
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"github.com/minio-io/minio/pkg/utils/checksum/crc32c"
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. "gopkg.in/check.v1"
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)
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func Test(t *testing.T) { TestingT(t) }
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type MySuite struct{}
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var _ = Suite(&MySuite{})
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func (s *MySuite) TestSingleWrite(c *C) {
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//var b io.ReadWriteSeeker
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var testBuffer bytes.Buffer
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testData := "Hello, World"
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testLength := uint64(len(testData))
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err := Write(&testBuffer, bytes.NewBufferString(testData), testLength)
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c.Assert(err, IsNil)
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testBufferLength := uint64(testBuffer.Len())
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// we test our crc here too
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headerBytes := testBuffer.Bytes()[0:28]
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expectedCrc := crc32c.Sum32(headerBytes)
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// magic mini
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magicMini := make([]byte, 4)
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testBuffer.Read(magicMini)
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c.Assert(magicMini, DeepEquals, []byte{'M', 'I', 'N', 'I'})
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// major version
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majorVersion := make([]byte, 2)
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testBuffer.Read(majorVersion)
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c.Assert(binary.LittleEndian.Uint16(majorVersion), DeepEquals, uint16(1))
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// minor version
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minorVersion := make([]byte, 2)
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testBuffer.Read(minorVersion)
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c.Assert(binary.LittleEndian.Uint16(minorVersion), DeepEquals, uint16(0))
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// patch version
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patchVersion := make([]byte, 2)
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testBuffer.Read(patchVersion)
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c.Assert(binary.LittleEndian.Uint16(patchVersion), DeepEquals, uint16(0))
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// reserved version
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reservedVersion := make([]byte, 2)
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testBuffer.Read(reservedVersion)
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c.Assert(binary.LittleEndian.Uint16(reservedVersion), DeepEquals, uint16(0))
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// reserved
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reserved := make([]byte, 8)
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testBuffer.Read(reserved)
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c.Assert(binary.LittleEndian.Uint64(reserved), DeepEquals, uint64(0))
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// data length
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length := make([]byte, 8)
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testBuffer.Read(length)
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c.Assert(binary.LittleEndian.Uint64(length), DeepEquals, testLength)
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// test crc
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bufCrc := make([]byte, 4)
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testBuffer.Read(bufCrc)
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c.Assert(binary.LittleEndian.Uint32(bufCrc), DeepEquals, expectedCrc)
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// magic DATA
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magicData := make([]byte, 4)
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testBuffer.Read(magicData)
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c.Assert(magicData, DeepEquals, []byte{'D', 'A', 'T', 'A'})
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// data
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actualData := make([]byte, int32(testLength))
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testBuffer.Read(actualData)
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c.Assert(string(actualData), DeepEquals, testData)
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// extract footer crc32c
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actualFooterCrc := make([]byte, 4)
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testBuffer.Read(actualFooterCrc)
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remainingBytes := testBuffer.Bytes()
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remainingSum := crc32c.Sum32(remainingBytes)
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c.Assert(binary.LittleEndian.Uint32(actualFooterCrc), DeepEquals, remainingSum)
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// sha512
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expectedSha512 := sha512.Sum512([]byte(testData))
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actualSha512 := make([]byte, 64)
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testBuffer.Read(actualSha512)
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c.Assert(actualSha512, DeepEquals, expectedSha512[:])
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// length
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actualLength := make([]byte, 8)
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testBuffer.Read(actualLength)
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c.Assert(testBufferLength, DeepEquals, binary.LittleEndian.Uint64(actualLength))
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// magic INIM
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magicInim := make([]byte, 4)
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testBuffer.Read(magicInim)
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c.Assert(magicInim, DeepEquals, []byte{'I', 'N', 'I', 'M'})
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// ensure no extra data is in the file
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c.Assert(testBuffer.Len(), Equals, 0)
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}
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func (s *MySuite) TestLengthMismatchInWrite(c *C) {
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var testData bytes.Buffer
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err := Write(&testData, bytes.NewBufferString("hello, world"), 5)
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c.Assert(err, Not(IsNil))
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}
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