mirror of
https://github.com/cubefs/cubefs.git
synced 2026-08-02 02:00:56 +00:00
282 lines
8.3 KiB
Go
282 lines
8.3 KiB
Go
// Copyright 2022 The CubeFS Authors.
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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
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// implied. See the License for the specific language governing
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// permissions and limitations under the License.
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package core
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import (
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"context"
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"os"
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"path/filepath"
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"testing"
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"github.com/golang/mock/gomock"
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"github.com/stretchr/testify/require"
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bnapi "github.com/cubefs/cubefs/blobstore/api/blobnode"
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"github.com/cubefs/cubefs/blobstore/blobnode/base"
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"github.com/cubefs/cubefs/blobstore/testing/mocks"
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"github.com/cubefs/cubefs/blobstore/util/log"
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"github.com/cubefs/cubefs/blobstore/util/mergetask"
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)
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func doBlobFileOp(t *testing.T, f *os.File, emptyIoPool bool) {
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// create
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syncWorker := mergetask.NewMergeTask(-1, func(interface{}) error { return nil })
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ctr := gomock.NewController(t)
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ioPool := mocks.NewMockIoPool(ctr)
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ioPool.EXPECT().Submit(gomock.Any()).DoAndReturn(func(args base.IoPoolTaskArgs) error {
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return args.TaskFn()
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}).AnyTimes()
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ioPools := map[bnapi.IOType]base.IoPool{
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bnapi.ReadIO: ioPool,
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bnapi.WriteIO: ioPool,
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bnapi.DeleteIO: ioPool,
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bnapi.BackgroundIO: ioPool,
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}
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ef := blobFile{f, 1, syncWorker, nil, ioPools}
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log.Info(ef.Name())
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fd := ef.Fd()
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require.NotNil(t, fd)
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info, err := ef.Stat()
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require.NoError(t, err)
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require.NotNil(t, info)
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data := []byte("test data")
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// WriteAtCtx
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ctx, cancel := context.WithCancel(context.Background())
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ctx = bnapi.SetIoType(ctx, bnapi.WriteIO)
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n, err := ef.WriteAtCtx(ctx, data, 0)
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require.NoError(t, err)
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require.Equal(t, len(data), n)
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cancel()
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n, err = ef.WriteAtCtx(ctx, data, 0)
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require.ErrorIs(t, err, context.Canceled)
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require.Equal(t, 0, n)
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// ReadAtCtx
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ctx, cancel = context.WithCancel(context.Background())
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ctx = bnapi.SetIoType(ctx, bnapi.ReadIO)
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buf := make([]byte, len(data))
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n, err = ef.ReadAtCtx(ctx, buf, 0)
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require.NoError(t, err)
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require.Equal(t, len(data), n)
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require.Equal(t, data, buf)
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cancel()
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n, err = ef.ReadAtCtx(ctx, buf, 0)
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require.ErrorIs(t, err, context.Canceled)
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require.Equal(t, 0, n)
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// stat
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stat, err := ef.SysStat()
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require.NoError(t, err)
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log.Infof("stat: %v", stat)
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require.Equal(t, int32(stat.Size), int32(len(data)))
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log.Infof("blksize: %d", stat.Blocks)
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// pre allocate 1M
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err = ef.Allocate(0, 1*1024*1024)
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require.NoError(t, err)
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stat, err = ef.SysStat()
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require.NoError(t, err)
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log.Infof("blksize: %d", stat.Blocks)
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// scale size
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require.Equal(t, int32(stat.Size), int32(1*1024*1024))
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// phy allocate >= 1M
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require.True(t, int32(stat.Blocks) >= 1*1024*1024/512)
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// punch hole, release phy space
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err = ef.Discard(0, 1*1024*1024)
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require.NoError(t, err)
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stat, err = ef.SysStat()
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require.NoError(t, err)
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log.Infof("blksize: %d", stat.Blocks)
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// keep size
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require.Equal(t, int32(stat.Size), int32(1*1024*1024))
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// phy allocate == 0
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require.Equal(t, int(stat.Blocks), 0)
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}
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func TestBlobFile_Op(t *testing.T) {
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testDir, err := os.MkdirTemp(os.TempDir(), "BlobFileOp")
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require.NoError(t, err)
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defer os.RemoveAll(testDir)
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posixfilepath := filepath.Join(testDir, "PoxsixFile")
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log.Info(posixfilepath)
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temppath := filepath.Join(posixfilepath, "xxxtemp")
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f, err := OpenFile(temppath, false)
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require.Error(t, err)
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require.Nil(t, f)
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f, err = OpenFile(posixfilepath, true)
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require.NoError(t, err)
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require.NotNil(t, f)
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// enable io pools
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doBlobFileOp(t, f, false)
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// invalid/empty io pools
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posixfilepath2 := filepath.Join(testDir, "PoxsixFile2")
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f, err = OpenFile(posixfilepath2, true)
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require.NoError(t, err)
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require.NotNil(t, f)
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doBlobFileOp(t, f, true)
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}
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func TestBlobFile_doTaskFnCtxCancel(t *testing.T) {
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testDir, err := os.MkdirTemp(os.TempDir(), "BlobFileTaskCancel")
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require.NoError(t, err)
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defer os.RemoveAll(testDir)
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posixfilepath := filepath.Join(testDir, "PoxsixFile")
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log.Info(posixfilepath)
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temppath := filepath.Join(posixfilepath, "xxxtemp")
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f, err := OpenFile(temppath, false)
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require.Error(t, err)
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require.Nil(t, f)
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f, err = OpenFile(posixfilepath, true)
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require.NoError(t, err)
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require.NotNil(t, f)
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// create
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syncWorker := mergetask.NewMergeTask(-1, func(interface{}) error { return nil })
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ctr := gomock.NewController(t)
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ioPool := mocks.NewMockIoPool(ctr)
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ioPools := map[bnapi.IOType]base.IoPool{
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bnapi.ReadIO: ioPool,
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bnapi.WriteIO: ioPool,
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bnapi.DeleteIO: ioPool,
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bnapi.BackgroundIO: ioPool,
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}
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ef := blobFile{f, 1, syncWorker, nil, ioPools}
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fd := ef.Fd()
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require.NotNil(t, fd)
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info, err := ef.Stat()
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require.NoError(t, err)
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require.NotNil(t, info)
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data := []byte("test data")
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// Test 1: Normal WriteAtCtx - should succeed
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ctx, cancel := context.WithCancel(context.Background())
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ctx = bnapi.SetIoType(ctx, bnapi.WriteIO)
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ioPool.EXPECT().Submit(gomock.Any()).DoAndReturn(func(args base.IoPoolTaskArgs) error {
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return args.TaskFn()
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})
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n, err := ef.WriteAtCtx(ctx, data, 0)
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require.NoError(t, err)
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require.Equal(t, len(data), n)
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ctx = bnapi.SetIoType(ctx, bnapi.BackgroundIO)
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ioPool.EXPECT().Submit(gomock.Any()).DoAndReturn(func(args base.IoPoolTaskArgs) error {
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cancel()
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return args.TaskFn()
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})
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n, err = ef.WriteAtCtx(ctx, data, 0)
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require.ErrorIs(t, err, context.Canceled)
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require.Equal(t, 0, n)
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// Test 2: Normal ReadAtCtx - should succeed
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ctx, cancel = context.WithCancel(context.Background())
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ctx = bnapi.SetIoType(ctx, bnapi.ReadIO)
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buf := make([]byte, len(data))
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ioPool.EXPECT().Submit(gomock.Any()).DoAndReturn(func(args base.IoPoolTaskArgs) error {
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return args.TaskFn()
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})
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n, err = ef.ReadAtCtx(ctx, buf, 0)
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require.NoError(t, err)
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require.Equal(t, len(data), n)
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require.Equal(t, data, buf)
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// Test 3: Context canceled before calling WriteAtCtx, blobfile checks ctx.Err() before calling Submit
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// If context is already canceled, it returns immediately without calling Submit
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ctx, cancel = context.WithCancel(context.Background())
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ctx = bnapi.SetIoType(ctx, bnapi.WriteIO)
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// Cancel context before calling WriteAtCtx
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cancel()
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// No mock expectation needed since Submit won't be called when context is already canceled
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n, err = ef.WriteAtCtx(ctx, data, 0)
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require.ErrorIs(t, err, context.Canceled)
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require.Equal(t, 0, n)
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// Test 4: Context canceled before calling ReadAtCtx
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ctx, cancel = context.WithCancel(context.Background())
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ctx = bnapi.SetIoType(ctx, bnapi.ReadIO)
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// Cancel context before calling ReadAtCtx
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cancel()
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// No mock expectation needed since Submit won't be called when context is already canceled
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n, err = ef.ReadAtCtx(ctx, buf, 0)
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require.ErrorIs(t, err, context.Canceled)
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require.Equal(t, 0, n)
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// Test 5: Context canceled during task execution in WriteAtCtx
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// This simulates the case where iopool detects context cancellation and returns context.Canceled
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ctx = bnapi.SetIoType(context.Background(), bnapi.WriteIO)
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ioPool.EXPECT().Submit(gomock.Any()).Return(context.Canceled)
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n, err = ef.WriteAtCtx(ctx, data, 0)
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require.ErrorIs(t, err, context.Canceled)
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require.Equal(t, 0, n)
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// Test 6: Context canceled during task execution in ReadAtCtx
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// This simulates the case where iopool detects context cancellation and returns context.Canceled
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ctx = bnapi.SetIoType(context.Background(), bnapi.ReadIO)
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ioPool.EXPECT().Submit(gomock.Any()).Return(context.Canceled)
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n, err = ef.ReadAtCtx(ctx, buf, 0)
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require.ErrorIs(t, err, context.Canceled)
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require.Equal(t, 0, n)
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// Test 7: Allocate with context cancellation during task execution
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ioPool.EXPECT().Submit(gomock.Any()).Return(context.Canceled)
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err = ef.Allocate(0, 1024)
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require.ErrorIs(t, err, context.Canceled)
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// Test 8: Discard with context cancellation during task execution
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ioPool.EXPECT().Submit(gomock.Any()).Return(context.Canceled)
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err = ef.Discard(0, 1024)
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require.ErrorIs(t, err, context.Canceled)
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// Test 9: Sync with context cancellation during task execution
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ioPool.EXPECT().Submit(gomock.Any()).Return(context.Canceled)
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err = ef.Sync()
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require.ErrorIs(t, err, context.Canceled)
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// Test 10: Panic case for invalid IO type
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require.Panics(t, func() {
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ctx = context.Background()
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ctx = bnapi.SetIoType(ctx, bnapi.IOTypeMax)
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ef.ReadAtCtx(ctx, buf, 0)
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})
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}
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