minio/internal/lock/lock_windows_test.go

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//go:build windows
// +build windows
// 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 lock
import (
"strings"
"testing"
)
func TestFixLongPath(t *testing.T) {
// 248 is long enough to trigger the longer-than-248 checks in
// fixLongPath, but short enough not to make a path component
// longer than 255, which is illegal on Windows. (which
// doesn't really matter anyway, since this is purely a string
// function we're testing, and it's not actually being used to
// do a system call)
veryLong := "l" + strings.Repeat("o", 248) + "ng"
for _, test := range []struct{ in, want string }{
// Short; unchanged:
{`C:\short.txt`, `C:\short.txt`},
{`C:\`, `C:\`},
{`C:`, `C:`},
// The "long" substring is replaced by a looooooong
// string which triggers the rewriting. Except in the
// cases below where it doesn't.
{`C:\long\foo.txt`, `\\?\C:\long\foo.txt`},
{`C:/long/foo.txt`, `\\?\C:\long\foo.txt`},
{`C:\long\foo\\bar\.\baz\\`, `\\?\C:\long\foo\bar\baz`},
{`\\unc\path`, `\\unc\path`},
{`long.txt`, `long.txt`},
{`C:long.txt`, `C:long.txt`},
{`c:\long\..\bar\baz`, `c:\long\..\bar\baz`},
{`\\?\c:\long\foo.txt`, `\\?\c:\long\foo.txt`},
{`\\?\c:\long/foo.txt`, `\\?\c:\long/foo.txt`},
} {
in := strings.Replace(test.in, "long", veryLong, -1)
want := strings.Replace(test.want, "long", veryLong, -1)
if got := fixLongPath(in); got != want {
got = strings.Replace(got, veryLong, "long", -1)
t.Errorf("fixLongPath(%q) = %q; want %q", test.in, got, test.want)
}
}
}