mirror of
https://github.com/taigrr/bitcask
synced 2025-01-18 04:03:17 -08:00
5c6ceadac1
* ttl support first commit * imports fix * put api args correction * put options added * upgrade method added * upgrade log added * v0 to v1 migration script added * error assertion added * temp migration dir fix Co-authored-by: yash <yash.chandra@grabpay.com>
59 lines
2.0 KiB
Go
59 lines
2.0 KiB
Go
package migrations
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import (
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"encoding/binary"
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"encoding/hex"
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"io"
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"io/ioutil"
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"os"
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"path/filepath"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func Test_ApplyV0ToV1(t *testing.T) {
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assert := assert.New(t)
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testdir, err := ioutil.TempDir("/tmp", "bitcask")
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assert.NoError(err)
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defer os.RemoveAll(testdir)
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w0, err := os.OpenFile(filepath.Join(testdir, "000000000.data"), os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0640)
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assert.NoError(err)
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w1, err := os.OpenFile(filepath.Join(testdir, "000000001.data"), os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0640)
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assert.NoError(err)
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w2, err := os.OpenFile(filepath.Join(testdir, "000000002.data"), os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0640)
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assert.NoError(err)
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defer w0.Close()
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defer w1.Close()
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defer w2.Close()
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buf := make([]byte, 104)
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binary.BigEndian.PutUint32(buf[:4], 5)
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binary.BigEndian.PutUint64(buf[4:12], 7)
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copy(buf[12:28], "mykeymyvalue0AAA")
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binary.BigEndian.PutUint32(buf[28:32], 3)
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binary.BigEndian.PutUint64(buf[32:40], 5)
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copy(buf[40:52], "keyvalue0BBB")
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_, err = w0.Write(buf[:52])
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assert.NoError(err)
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_, err = w1.Write(buf[:52])
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assert.NoError(err)
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_, err = w2.Write(buf[:52])
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assert.NoError(err)
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err = ApplyV0ToV1(testdir, 104)
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assert.NoError(err)
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r0, err := os.Open(filepath.Join(testdir, "000000000.data"))
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assert.NoError(err)
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defer r0.Close()
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n, err := io.ReadFull(r0, buf)
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assert.NoError(err)
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assert.Equal(104, n)
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assert.Equal("0000000500000000000000076d796b65796d7976616c75653041414100000000000000000000000300000000000000056b657976616c75653042424200000000000000000000000500000000000000076d796b65796d7976616c7565304141410000000000000000", hex.EncodeToString(buf))
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r1, err := os.Open(filepath.Join(testdir, "000000001.data"))
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assert.NoError(err)
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defer r1.Close()
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n, err = io.ReadFull(r1, buf[:100])
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assert.NoError(err)
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assert.Equal(100, n)
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assert.Equal("0000000300000000000000056b657976616c75653042424200000000000000000000000500000000000000076d796b65796d7976616c75653041414100000000000000000000000300000000000000056b657976616c7565304242420000000000000000", hex.EncodeToString(buf[:100]))
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}
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