// Copyright (c) 2015-2021 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package cmd
import (
"bytes"
"io"
"io/ioutil"
"os"
"path"
"testing"
"github.com/minio/minio/internal/lock"
)
func TestFSRenameFile(t *testing.T) {
// create xlStorage test setup
_, path, err := newXLStorageTestSetup(t)
if err != nil {
t.Fatalf("Unable to create xlStorage test setup, %s", err)
}
if err = fsMkdir(GlobalContext, pathJoin(path, "testvolume1")); err != nil {
t.Fatal(err)
}
if err = fsRenameFile(GlobalContext, pathJoin(path, "testvolume1"), pathJoin(path, "testvolume2")); err != nil {
t.Fatal(err)
}
if err = fsRenameFile(GlobalContext, pathJoin(path, "testvolume1"), pathJoin(path, "testvolume2")); err != errFileNotFound {
t.Fatal(err)
}
if err = fsRenameFile(GlobalContext, pathJoin(path, "my-obj-del-0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001"), pathJoin(path, "testvolume2")); err != errFileNameTooLong {
t.Fatal("Unexpected error", err)
}
if err = fsRenameFile(GlobalContext, pathJoin(path, "testvolume1"), pathJoin(path, "my-obj-del-0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001")); err != errFileNameTooLong {
t.Fatal("Unexpected error", err)
}
}
func TestFSStats(t *testing.T) {
// create xlStorage test setup
_, path, err := newXLStorageTestSetup(t)
if err != nil {
t.Fatalf("Unable to create xlStorage test setup, %s", err)
}
// Setup test environment.
if err = fsMkdir(GlobalContext, ""); err != errInvalidArgument {
t.Fatal("Unexpected error", err)
}
if err = fsMkdir(GlobalContext, pathJoin(path, "my-obj-del-0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001")); err != errFileNameTooLong {
t.Fatal("Unexpected error", err)
}
if err = fsMkdir(GlobalContext, pathJoin(path, "success-vol")); err != nil {
t.Fatalf("Unable to create volume, %s", err)
}
reader := bytes.NewReader([]byte("Hello, world"))
if _, err = fsCreateFile(GlobalContext, pathJoin(path, "success-vol", "success-file"), reader, 0); err != nil {
t.Fatalf("Unable to create file, %s", err)
}
// Seek back.
reader.Seek(0, 0)
if err = fsMkdir(GlobalContext, pathJoin(path, "success-vol", "success-file")); err != errVolumeExists {
t.Fatal("Unexpected error", err)
}
if _, err = fsCreateFile(GlobalContext, pathJoin(path, "success-vol", "path/to/success-file"), reader, 0); err != nil {
t.Fatalf("Unable to create file, %s", err)
}
// Seek back.
reader.Seek(0, 0)
testCases := []struct {
srcFSPath string
srcVol string
srcPath string
expectedErr error
}{
// Test case - 1.
// Test case with valid inputs, expected to pass.
{
srcFSPath: path,
srcVol: "success-vol",
srcPath: "success-file",
expectedErr: nil,
},
// Test case - 2.
// Test case with valid inputs, expected to pass.
{
srcFSPath: path,
srcVol: "success-vol",
srcPath: "path/to/success-file",
expectedErr: nil,
},
// Test case - 3.
// Test case with non-existent file.
{
srcFSPath: path,
srcVol: "success-vol",
srcPath: "nonexistent-file",
expectedErr: errFileNotFound,
},
// Test case - 4.
// Test case with non-existent file path.
{
srcFSPath: path,
srcVol: "success-vol",
srcPath: "path/2/success-file",
expectedErr: errFileNotFound,
},
// Test case - 5.
// Test case with path being a directory.
{
srcFSPath: path,
srcVol: "success-vol",
srcPath: "path",
expectedErr: errFileNotFound,
},
// Test case - 6.
// Test case with src path segment > 255.
{
srcFSPath: path,
srcVol: "success-vol",
srcPath: "my-obj-del-0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001",
expectedErr: errFileNameTooLong,
},
// Test case - 7.
// Test case validate only srcVol exists.
{
srcFSPath: path,
srcVol: "success-vol",
expectedErr: nil,
},
// Test case - 8.
// Test case validate only srcVol doesn't exist.
{
srcFSPath: path,
srcVol: "success-vol-non-existent",
expectedErr: errVolumeNotFound,
},
// Test case - 9.
// Test case validate invalid argument.
{
expectedErr: errInvalidArgument,
},
}
for i, testCase := range testCases {
if testCase.srcPath != "" {
if _, err := fsStatFile(GlobalContext, pathJoin(testCase.srcFSPath, testCase.srcVol,
testCase.srcPath)); err != testCase.expectedErr {
t.Fatalf("TestErasureStorage case %d: Expected: \"%s\", got: \"%s\"", i+1, testCase.expectedErr, err)
}
} else {
if _, err := fsStatVolume(GlobalContext, pathJoin(testCase.srcFSPath, testCase.srcVol)); err != testCase.expectedErr {
t.Fatalf("TestFS case %d: Expected: \"%s\", got: \"%s\"", i+1, testCase.expectedErr, err)
}
}
}
}
func TestFSCreateAndOpen(t *testing.T) {
// Setup test environment.
_, path, err := newXLStorageTestSetup(t)
if err != nil {
t.Fatalf("Unable to create xlStorage test setup, %s", err)
}
if err = fsMkdir(GlobalContext, pathJoin(path, "success-vol")); err != nil {
t.Fatalf("Unable to create directory, %s", err)
}
if _, err = fsCreateFile(GlobalContext, "", nil, 0); err != errInvalidArgument {
t.Fatal("Unexpected error", err)
}
if _, _, err = fsOpenFile(GlobalContext, "", -1); err != errInvalidArgument {
t.Fatal("Unexpected error", err)
}
reader := bytes.NewReader([]byte("Hello, world"))
if _, err = fsCreateFile(GlobalContext, pathJoin(path, "success-vol", "success-file"), reader, 0); err != nil {
t.Fatalf("Unable to create file, %s", err)
}
// Seek back.
reader.Seek(0, 0)
testCases := []struct {
srcVol string
srcPath string
expectedErr error
}{
// Test case - 1.
// Test case with segment of the volume name > 255.
{
srcVol: "my-obj-del-0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001",
srcPath: "success-file",
expectedErr: errFileNameTooLong,
},
// Test case - 2.
// Test case with src path segment > 255.
{
srcVol: "success-vol",
srcPath: "my-obj-del-0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001",
expectedErr: errFileNameTooLong,
},
}
for i, testCase := range testCases {
_, err = fsCreateFile(GlobalContext, pathJoin(path, testCase.srcVol, testCase.srcPath), reader, 0)
if err != testCase.expectedErr {
t.Errorf("Test case %d: Expected: \"%s\", got: \"%s\"", i+1, testCase.expectedErr, err)
}
_, _, err = fsOpenFile(GlobalContext, pathJoin(path, testCase.srcVol, testCase.srcPath), 0)
if err != testCase.expectedErr {
t.Errorf("Test case %d: Expected: \"%s\", got: \"%s\"", i+1, testCase.expectedErr, err)
}
}
// Attempt to open a directory.
if _, _, err = fsOpenFile(GlobalContext, pathJoin(path), 0); err != errIsNotRegular {
t.Fatal("Unexpected error", err)
}
}
func TestFSDeletes(t *testing.T) {
// create xlStorage test setup
_, path, err := newXLStorageTestSetup(t)
if err != nil {
t.Fatalf("Unable to create xlStorage test setup, %s", err)
}
// Setup test environment.
if err = fsMkdir(GlobalContext, pathJoin(path, "success-vol")); err != nil {
t.Fatalf("Unable to create directory, %s", err)
}
reader := bytes.NewReader([]byte("Hello, world"))
if _, err = fsCreateFile(GlobalContext, pathJoin(path, "success-vol", "success-file"), reader, reader.Size()); err != nil {
t.Fatalf("Unable to create file, %s", err)
}
// Seek back.
reader.Seek(0, io.SeekStart)
// folder is not empty
err = fsMkdir(GlobalContext, pathJoin(path, "success-vol", "not-empty"))
if err != nil {
t.Fatal(err)
}
err = ioutil.WriteFile(pathJoin(path, "success-vol", "not-empty", "file"), []byte("data"), 0o777)
if err != nil {
t.Fatal(err)
}
// recursive
if err = fsMkdir(GlobalContext, pathJoin(path, "success-vol", "parent")); err != nil {
t.Fatal(err)
}
if err = fsMkdir(GlobalContext, pathJoin(path, "success-vol", "parent", "dir")); err != nil {
t.Fatal(err)
}
testCases := []struct {
basePath string
srcVol string
srcPath string
expectedErr error
}{
// valid case with existing volume and file to delete.
{
basePath: path,
srcVol: "success-vol",
srcPath: "success-file",
expectedErr: nil,
},
// The file was deleted in the last case, so Delete should fail.
{
basePath: path,
srcVol: "success-vol",
srcPath: "success-file",
expectedErr: errFileNotFound,
},
// Test case with segment of the volume name > 255.
{
basePath: path,
srcVol: "my-obj-del-0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001",
srcPath: "success-file",
expectedErr: errFileNameTooLong,
},
// Test case with src path segment > 255.
{
basePath: path,
srcVol: "success-vol",
srcPath: "my-obj-del-0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001",
expectedErr: errFileNameTooLong,
},
// Base path is way too long.
{
basePath: "path03333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333",
srcVol: "success-vol",
srcPath: "object",
expectedErr: errFileNameTooLong,
},
// Directory is not empty. Should give nil, but won't delete.
{
basePath: path,
srcVol: "success-vol",
srcPath: "not-empty",
expectedErr: nil,
},
// Should delete recursively.
{
basePath: path,
srcVol: "success-vol",
srcPath: pathJoin("parent", "dir"),
expectedErr: nil,
},
}
for i, testCase := range testCases {
if err = fsDeleteFile(GlobalContext, testCase.basePath, pathJoin(testCase.basePath, testCase.srcVol, testCase.srcPath)); err != testCase.expectedErr {
t.Errorf("Test case %d: Expected: \"%s\", got: \"%s\"", i+1, testCase.expectedErr, err)
}
}
}
func BenchmarkFSDeleteFile(b *testing.B) {
// create xlStorage test setup
_, path, err := newXLStorageTestSetup(b)
if err != nil {
b.Fatalf("Unable to create xlStorage test setup, %s", err)
}
// Setup test environment.
if err = fsMkdir(GlobalContext, pathJoin(path, "benchmark")); err != nil {
b.Fatalf("Unable to create directory, %s", err)
}
benchDir := pathJoin(path, "benchmark")
filename := pathJoin(benchDir, "file.txt")
b.ResetTimer()
// We need to create and delete the file sequentially inside the benchmark.
for i := 0; i < b.N; i++ {
b.StopTimer()
err = ioutil.WriteFile(filename, []byte("data"), 0o777)
if err != nil {
b.Fatal(err)
}
b.StartTimer()
err = fsDeleteFile(GlobalContext, benchDir, filename)
if err != nil {
b.Fatal(err)
}
}
}
// Tests fs removes.
func TestFSRemoves(t *testing.T) {
// create xlStorage test setup
_, path, err := newXLStorageTestSetup(t)
if err != nil {
t.Fatalf("Unable to create xlStorage test setup, %s", err)
}
// Setup test environment.
if err = fsMkdir(GlobalContext, pathJoin(path, "success-vol")); err != nil {
t.Fatalf("Unable to create directory, %s", err)
}
reader := bytes.NewReader([]byte("Hello, world"))
if _, err = fsCreateFile(GlobalContext, pathJoin(path, "success-vol", "success-file"), reader, 0); err != nil {
t.Fatalf("Unable to create file, %s", err)
}
// Seek back.
reader.Seek(0, 0)
if _, err = fsCreateFile(GlobalContext, pathJoin(path, "success-vol", "success-file-new"), reader, 0); err != nil {
t.Fatalf("Unable to create file, %s", err)
}
// Seek back.
reader.Seek(0, 0)
testCases := []struct {
srcFSPath string
srcVol string
srcPath string
expectedErr error
}{
// Test case - 1.
// valid case with existing volume and file to delete.
{
srcFSPath: path,
srcVol: "success-vol",
srcPath: "success-file",
expectedErr: nil,
},
// Test case - 2.
// The file was deleted in the last case, so Delete should fail.
{
srcFSPath: path,
srcVol: "success-vol",
srcPath: "success-file",
expectedErr: errFileNotFound,
},
// Test case - 3.
// Test case with segment of the volume name > 255.
{
srcFSPath: path,
srcVol: "my-obj-del-0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001",
srcPath: "success-file",
expectedErr: errFileNameTooLong,
},
// Test case - 4.
// Test case with src path segment > 255.
{
srcFSPath: path,
srcVol: "success-vol",
srcPath: "my-obj-del-0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001",
expectedErr: errFileNameTooLong,
},
// Test case - 5.
// Test case with src path empty.
{
srcFSPath: path,
srcVol: "success-vol",
expectedErr: errVolumeNotEmpty,
},
// Test case - 6.
// Test case with src path empty.
{
srcFSPath: path,
srcVol: "my-obj-del-0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001",
expectedErr: errFileNameTooLong,
},
// Test case - 7.
// Test case with src path empty.
{
srcFSPath: path,
srcVol: "non-existent",
expectedErr: errVolumeNotFound,
},
// Test case - 8.
// Test case with src and volume path empty.
{
expectedErr: errInvalidArgument,
},
}
for i, testCase := range testCases {
if testCase.srcPath != "" {
if err = fsRemoveFile(GlobalContext, pathJoin(testCase.srcFSPath, testCase.srcVol, testCase.srcPath)); err != testCase.expectedErr {
t.Errorf("Test case %d: Expected: \"%s\", got: \"%s\"", i+1, testCase.expectedErr, err)
}
} else {
if err = fsRemoveDir(GlobalContext, pathJoin(testCase.srcFSPath, testCase.srcVol, testCase.srcPath)); err != testCase.expectedErr {
t.Error(err)
}
}
}
if err = fsRemoveAll(GlobalContext, pathJoin(path, "success-vol")); err != nil {
t.Fatal(err)
}
if err = fsRemoveAll(GlobalContext, ""); err != errInvalidArgument {
t.Fatal(err)
}
if err = fsRemoveAll(GlobalContext, "my-obj-del-0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001"); err != errFileNameTooLong {
t.Fatal(err)
}
}
func TestFSRemoveMeta(t *testing.T) {
// create xlStorage test setup
_, fsPath, err := newXLStorageTestSetup(t)
if err != nil {
t.Fatalf("Unable to create xlStorage test setup, %s", err)
}
// Setup test environment.
if err = fsMkdir(GlobalContext, pathJoin(fsPath, "success-vol")); err != nil {
t.Fatalf("Unable to create directory, %s", err)
}
filePath := pathJoin(fsPath, "success-vol", "success-file")
reader := bytes.NewReader([]byte("Hello, world"))
if _, err = fsCreateFile(GlobalContext, filePath, reader, 0); err != nil {
t.Fatalf("Unable to create file, %s", err)
}
rwPool := &fsIOPool{
readersMap: make(map[string]*lock.RLockedFile),
}
if _, err := rwPool.Open(filePath); err != nil {
t.Fatalf("Unable to lock file %s", filePath)
}
defer rwPool.Close(filePath)
tmpDir := t.TempDir()
if err := fsRemoveMeta(GlobalContext, fsPath, filePath, tmpDir); err != nil {
t.Fatalf("Unable to remove file, %s", err)
}
if _, err := os.Stat((filePath)); !osIsNotExist(err) {
t.Fatalf("`%s` file found though it should have been deleted.", filePath)
}
if _, err := os.Stat((path.Dir(filePath))); !osIsNotExist(err) {
t.Fatalf("`%s` parent directory found though it should have been deleted.", filePath)
}
}
func TestFSIsFile(t *testing.T) {
filePath := pathJoin(t.TempDir(), "tmpfile")
if err := ioutil.WriteFile(filePath, nil, 0o777); err != nil {
t.Fatalf("Unable to create file %s", filePath)
}
if !fsIsFile(GlobalContext, filePath) {
t.Fatalf("Expected %s to be a file", filePath)
}
}