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minio/cmd/posix-utils_windows_test.go

136 lines
3.4 KiB

// +build windows
/*
* Minio Cloud Storage, (C) 2016 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"
"os"
"strings"
"testing"
)
// Test if various paths work as expected when converted to UNC form
func TestUNCPaths(t *testing.T) {
var testCases = []struct {
objName string
pass bool
}{
{"/abcdef", true},
{"/a/b/c/d/e/f/g", true},
{string(bytes.Repeat([]byte("界"), 85)), true},
// Each path component must be <= 255 bytes long.
{string(bytes.Repeat([]byte("界"), 100)), false},
{`/p/q/r/s/t`, true},
}
// Instantiate posix object to manage a disk
var err error
err = os.Mkdir("c:\\testdisk", 0700)
if err != nil {
t.Fatal(err)
}
// Cleanup on exit of test
defer os.RemoveAll("c:\\testdisk")
var fs StorageAPI
fs, err = newPosix(`c:\testdisk`)
if err != nil {
t.Fatal(err)
}
// Create volume to use in conjunction with other StorageAPI's file API(s)
err = fs.MakeVol("voldir")
if err != nil {
t.Fatal(err)
}
for _, test := range testCases {
err = fs.AppendFile("voldir", test.objName, []byte("hello"))
if err != nil && test.pass {
t.Error(err)
} else if err == nil && !test.pass {
t.Error(err)
}
fs.DeleteFile("voldir", test.objName)
}
}
// Test to validate posix behaviour on windows when a non-final path component is a file.
func TestUNCPathENOTDIR(t *testing.T) {
var err error
// Instantiate posix object to manage a disk
err = os.Mkdir("c:\\testdisk", 0700)
if err != nil {
t.Fatal(err)
}
// Cleanup on exit of test
defer os.RemoveAll("c:\\testdisk")
var fs StorageAPI
fs, err = newPosix(`c:\testdisk`)
if err != nil {
t.Fatal(err)
}
// Create volume to use in conjunction with other StorageAPI's file API(s)
err = fs.MakeVol("voldir")
if err != nil {
t.Fatal(err)
}
err = fs.AppendFile("voldir", "/file", []byte("hello"))
if err != nil {
t.Fatal(err)
}
// Try to create a file that includes a file in its path components.
// In *nix, this returns syscall.ENOTDIR while in windows we receive the following error.
err = fs.AppendFile("voldir", "/file/obj1", []byte("hello"))
if err != errFileAccessDenied {
t.Errorf("expected: %s, got: %s", errFileAccessDenied, err)
}
}
// Test to validate 32k path works on windows platform
func Test32kUNCPath(t *testing.T) {
var err error
// The following calculation was derived empirically. It is not exactly MAX_PATH - len(longDiskName)
// possibly due to expansion rules as mentioned here -
// https://msdn.microsoft.com/en-us/library/windows/desktop/aa365247(v=vs.85).aspx#maxpath
var longPathName string
for {
compt := strings.Repeat("a", 255)
if len(compt)+len(longPathName)+1 > 32767 {
break
}
longPathName = longPathName + `\` + compt
}
longPathName = "C:" + longPathName
err = mkdirAll(longPathName, 0777)
if err != nil {
t.Fatal(err)
}
// Cleanup on exit of test
defer removeAll(longPathName)
_, err = newPosix(longPathName)
if err != nil {
t.Fatal(err)
}
}