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37 lines
1.1 KiB
Go
37 lines
1.1 KiB
Go
// Copyright 2021 The LevelDB-Go and Pebble Authors. All rights reserved. Use
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// of this source code is governed by a BSD-style license that can be found in
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// the LICENSE file.
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package vfs
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import (
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"os"
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"testing"
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"time"
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"github.com/stretchr/testify/require"
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)
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func TestFileWrappersHaveFd(t *testing.T) {
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// Use the real filesystem so that we can test vfs.Default, which returns
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// files with Fd().
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tmpf, err := os.CreateTemp("", "pebble-db-fd-file")
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require.NoError(t, err)
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filename := tmpf.Name()
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defer os.Remove(filename)
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// File wrapper case 1: Check if diskHealthCheckingFile has Fd().
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fs2, closer := WithDiskHealthChecks(Default, 10*time.Second,
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func(info DiskSlowInfo) {})
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defer closer.Close()
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f2, err := fs2.Open(filename)
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require.NoError(t, err)
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require.NotZero(t, f2.Fd())
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require.NotEqual(t, f2.Fd(), InvalidFd)
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// File wrapper case 2: Check if syncingFile has Fd().
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f3 := NewSyncingFile(f2, SyncingFileOptions{BytesPerSync: 8 << 10 /* 8 KB */})
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require.NotZero(t, f3.Fd())
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require.NotEqual(t, f3.Fd(), InvalidFd)
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require.NoError(t, f2.Close())
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}
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