李建琦
6d655c9903
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63 lines
1.5 KiB
Go
63 lines
1.5 KiB
Go
//go:build unit
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package service
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import (
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"bytes"
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"crypto/sha256"
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"fmt"
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"os"
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"testing"
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"github.com/stretchr/testify/require"
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)
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func TestSplitBackupFile_ReassemblesExactBytes(t *testing.T) {
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src := writeBackupArchiveFixture(t, []byte("0123456789abcdefg"))
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parts, err := splitBackupFile(src, 5)
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require.NoError(t, err)
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require.Len(t, parts, 4)
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var got bytes.Buffer
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for i, part := range parts {
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require.Equal(t, i+1, part.Index)
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require.LessOrEqual(t, part.SizeBytes, int64(5))
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data, readErr := os.ReadFile(part.Path)
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require.NoError(t, readErr)
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require.Equal(t, fmt.Sprintf("%x", sha256.Sum256(data)), part.SHA256)
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got.Write(data)
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}
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require.Equal(t, []byte("0123456789abcdefg"), got.Bytes())
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}
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func TestSplitBackupFile_RejectsInvalidInput(t *testing.T) {
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src := writeBackupArchiveFixture(t, []byte("data"))
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_, err := splitBackupFile(src, 0)
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require.Error(t, err)
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empty := writeBackupArchiveFixture(t, nil)
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_, err = splitBackupFile(empty, 5)
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require.Error(t, err)
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_, err = splitBackupFile(filepathForMissingBackupArchive(t), 5)
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require.Error(t, err)
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}
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func writeBackupArchiveFixture(t *testing.T, content []byte) string {
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t.Helper()
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path := filepathForBackupArchive(t)
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require.NoError(t, os.WriteFile(path, content, 0o600))
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return path
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}
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func filepathForBackupArchive(t *testing.T) string {
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t.Helper()
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return t.TempDir() + "/archive.gz"
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}
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func filepathForMissingBackupArchive(t *testing.T) string {
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t.Helper()
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return t.TempDir() + "/missing.gz"
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}
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