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/*
* Minio Cloud Storage, (C) 2016, 2017 Minio, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package cmd
import (
"bytes"
"io"
"io/ioutil"
"os"
"path"
"testing"
"github.com/minio/minio/pkg/errors"
"github.com/minio/minio/pkg/lock"
)
func TestFSRenameFile(t *testing.T) {
// create posix test setup
_, path, err := newPosixTestSetup()
if err != nil {
t.Fatalf("Unable to create posix test setup, %s", err)
}
defer os.RemoveAll(path)
if err = fsMkdir(pathJoin(path, "testvolume1")); err != nil {
t.Fatal(err)
}
if err = fsRenameFile(pathJoin(path, "testvolume1"), pathJoin(path, "testvolume2")); err != nil {
t.Fatal(err)
}
if err = fsRenameFile(pathJoin(path, "testvolume1"), pathJoin(path, "testvolume2")); errors.Cause(err) != errFileNotFound {
t.Fatal(err)
}
if err = fsRenameFile(pathJoin(path, "my-obj-del-0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001"), pathJoin(path, "testvolume2")); errors.Cause(err) != errFileNameTooLong {
t.Fatal("Unexpected error", err)
}
if err = fsRenameFile(pathJoin(path, "testvolume1"), pathJoin(path, "my-obj-del-0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001")); errors.Cause(err) != errFileNameTooLong {
t.Fatal("Unexpected error", err)
}
}
func TestFSStats(t *testing.T) {
// create posix test setup
_, path, err := newPosixTestSetup()
if err != nil {
t.Fatalf("Unable to create posix test setup, %s", err)
}
defer os.RemoveAll(path)
// Setup test environment.
if err = fsMkdir(""); errors.Cause(err) != errInvalidArgument {
t.Fatal("Unexpected error", err)
}
if err = fsMkdir(pathJoin(path, "my-obj-del-0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001")); errors.Cause(err) != errFileNameTooLong {
t.Fatal("Unexpected error", err)
}
if err = fsMkdir(pathJoin(path, "success-vol")); err != nil {
t.Fatalf("Unable to create volume, %s", err)
}
var reader = bytes.NewReader([]byte("Hello, world"))
if _, err = fsCreateFile(pathJoin(path, "success-vol", "success-file"), reader, nil, 0); err != nil {
t.Fatalf("Unable to create file, %s", err)
}
// Seek back.
reader.Seek(0, 0)
if err = fsMkdir(pathJoin(path, "success-vol", "success-file")); errors.Cause(err) != errVolumeExists {
t.Fatal("Unexpected error", err)
}
if _, err = fsCreateFile(pathJoin(path, "success-vol", "path/to/success-file"), reader, nil, 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: errFileAccessDenied,
},
// 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(pathJoin(testCase.srcFSPath, testCase.srcVol,
testCase.srcPath)); errors.Cause(err) != testCase.expectedErr {
t.Fatalf("TestPosix case %d: Expected: \"%s\", got: \"%s\"", i+1, testCase.expectedErr, err)
}
} else {
if _, err := fsStatVolume(pathJoin(testCase.srcFSPath, testCase.srcVol)); errors.Cause(err) != testCase.expectedErr {
t.Fatalf("TestPosix case %d: Expected: \"%s\", got: \"%s\"", i+1, testCase.expectedErr, err)
}
}
}
}
func TestFSCreateAndOpen(t *testing.T) {
// Setup test environment.
_, path, err := newPosixTestSetup()
if err != nil {
t.Fatalf("Unable to create posix test setup, %s", err)
}
defer os.RemoveAll(path)
if err = fsMkdir(pathJoin(path, "success-vol")); err != nil {
t.Fatalf("Unable to create directory, %s", err)
}
if _, err = fsCreateFile("", nil, nil, 0); errors.Cause(err) != errInvalidArgument {
t.Fatal("Unexpected error", err)
}
if _, _, err = fsOpenFile("", -1); errors.Cause(err) != errInvalidArgument {
t.Fatal("Unexpected error", err)
}
var reader = bytes.NewReader([]byte("Hello, world"))
if _, err = fsCreateFile(pathJoin(path, "success-vol", "success-file"), reader, nil, 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(pathJoin(path, testCase.srcVol, testCase.srcPath), reader, nil, 0)
if errors.Cause(err) != testCase.expectedErr {
t.Errorf("Test case %d: Expected: \"%s\", got: \"%s\"", i+1, testCase.expectedErr, err)
}
_, _, err = fsOpenFile(pathJoin(path, testCase.srcVol, testCase.srcPath), 0)
if errors.Cause(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(pathJoin(path), 0); errors.Cause(err) != errIsNotRegular {
t.Fatal("Unexpected error", err)
}
}
func TestFSDeletes(t *testing.T) {
// create posix test setup
_, path, err := newPosixTestSetup()
if err != nil {
t.Fatalf("Unable to create posix test setup, %s", err)
}
defer os.RemoveAll(path)
// Setup test environment.
if err = fsMkdir(pathJoin(path, "success-vol")); err != nil {
t.Fatalf("Unable to create directory, %s", err)
}
var buf = make([]byte, 4096)
var reader = bytes.NewReader([]byte("Hello, world"))
if _, err = fsCreateFile(pathJoin(path, "success-vol", "success-file"), reader, buf, 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(pathJoin(path, "success-vol", "not-empty"))
if err != nil {
t.Fatal(err)
}
err = ioutil.WriteFile(pathJoin(path, "success-vol", "not-empty", "file"), []byte("data"), 0777)
if err != nil {
t.Fatal(err)
10000
}
// recursive
if err = fsMkdir(pathJoin(path, "success-vol", "parent")); err != nil {
t.Fatal(err)
}
if err = fsMkdir(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 DeleteFile 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(testCase.basePath, pathJoin(testCase.basePath, testCase.srcVol, testCase.srcPath)); errors.Cause(err) != testCase.expectedErr {
t.Errorf("Test case %d: Expected: \"%s\", got: \"%s\"", i+1, testCase.expectedErr, err)
}
}
}
func BenchmarkFSDeleteFile(b *testing.B) {
// create posix test setup
_, path, err := newPosixTestSetup()
if err != nil {
b.Fatalf("Unable to create posix test setup, %s", err)
}
defer os.RemoveAll(path)
// Setup test environment.
if err = fsMkdir(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"), 0777)
if err != nil {
b.Fatal(err)
}
b.StartTimer()
err = fsDeleteFile(benchDir, filename)
if err != nil {
b.Fatal(err)
}
}
}
// Tests fs removes.
func TestFSRemoves(t *testing.T) {
// create posix test setup
_, path, err := newPosixTestSetup()
if err != nil {
t.Fatalf("Unable to create posix test setup, %s", err)
}
defer os.RemoveAll(path)
// Setup test environment.
if err = fsMkdir(pathJoin(path, "success-vol")); err != nil {
t.Fatalf("Unable to create directory, %s", err)
}
var reader = bytes.NewReader([]byte("Hello, world"))
if _, err = fsCreateFile(pathJoin(path, "success-vol", "success-file"), reader, nil, 0); err != nil {
t.Fatalf("Unable to create file, %s", err)
}
// Seek back.
reader.Seek(0, 0)
if _, err = fsCreateFile(pathJoin(path, "success-vol", "success-file-new"), reader, nil, 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 DeleteFile 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(pathJoin(testCase.srcFSPath, testCase.srcVol, testCase.srcPath)); errors.Cause(err) != testCase.expectedErr {
t.Errorf("Test case %d: Expected: \"%s\", got: \"%s\"", i+1, testCase.expectedErr, err)
}
} else {
if err = fsRemoveDir(pathJoin(testCase.srcFSPath, testCase.srcVol, testCase.srcPath)); errors.Cause(err) != testCase.expectedErr {
t.Error(err)
}
}
}
if err = fsRemoveAll(pathJoin(path, "success-vol")); err != nil {
t.Fatal(err)
}
if err = fsRemoveAll(""); errors.Cause(err) != errInvalidArgument {
t.Fatal(err)
}
if err = fsRemoveAll("my-obj-del-0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001"); errors.Cause(err) != errFileNameTooLong {
t.Fatal(err)
}
}
func TestFSRemoveMeta(t *testing.T) {
// create posix test setup
_, fsPath, err := newPosixTestSetup()
if err != nil {
t.Fatalf("Unable to create posix test setup, %s", err)
}
defer os.RemoveAll(fsPath)
// Setup test environment.
if err = fsMkdir(pathJoin(fsPath, "success-vol")); err != nil {
t.Fatalf("Unable to create directory, %s", err)
}
filePath := pathJoin(fsPath, "success-vol", "success-file")
var reader = bytes.NewReader([]byte("Hello, world"))
if _, err = fsCreateFile(filePath, reader, nil, 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, tmpErr := ioutil.TempDir(globalTestTmpDir, "minio-")
if tmpErr != nil {
t.Fatal(tmpErr)
}
if err := fsRemoveMeta(fsPath, filePath, tmpDir); err != nil {
t.Fatalf("Unable to remove file, %s", err)
}
if _, err := os.Stat((filePath)); !os.IsNotExist(err) {
t.Fatalf("`%s` file found though it should have been deleted.", filePath)
}
if _, err := os.Stat((path.Dir(filePath))); !os.IsNotExist(err) {
t.Fatalf("`%s` parent directory found though it should have been deleted.", filePath)
}
}