diff options
Diffstat (limited to 'dependencies/pkg/mod/golang.org/x/sys@v0.1.0/unix/xattr_test.go')
| -rw-r--r-- | dependencies/pkg/mod/golang.org/x/sys@v0.1.0/unix/xattr_test.go | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/dependencies/pkg/mod/golang.org/x/sys@v0.1.0/unix/xattr_test.go b/dependencies/pkg/mod/golang.org/x/sys@v0.1.0/unix/xattr_test.go new file mode 100644 index 0000000..c7510ca --- /dev/null +++ b/dependencies/pkg/mod/golang.org/x/sys@v0.1.0/unix/xattr_test.go @@ -0,0 +1,208 @@ +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build darwin || freebsd || linux || netbsd +// +build darwin freebsd linux netbsd + +package unix_test + +import ( + "io/ioutil" + "os" + "runtime" + "strings" + "testing" + + "golang.org/x/sys/unix" +) + +func TestXattr(t *testing.T) { + defer chtmpdir(t)() + + f := "xattr1" + touch(t, f) + + xattrName := "user.test" + xattrDataSet := "gopher" + + err := unix.Setxattr(f, xattrName, []byte{}, 0) + if err == unix.ENOTSUP || err == unix.EOPNOTSUPP { + t.Skip("filesystem does not support extended attributes, skipping test") + } else if err != nil { + t.Fatalf("Setxattr: %v", err) + } + + err = unix.Setxattr(f, xattrName, []byte(xattrDataSet), 0) + if err != nil { + t.Fatalf("Setxattr: %v", err) + } + + // find size + size, err := unix.Listxattr(f, nil) + if err != nil { + t.Fatalf("Listxattr: %v", err) + } + + if size <= 0 { + t.Fatalf("Listxattr returned an empty list of attributes") + } + + buf := make([]byte, size) + read, err := unix.Listxattr(f, buf) + if err != nil { + t.Fatalf("Listxattr: %v", err) + } + + xattrs := stringsFromByteSlice(buf[:read]) + + xattrWant := xattrName + if runtime.GOOS == "freebsd" { + // On FreeBSD, the namespace is stored separately from the xattr + // name and Listxattr doesn't return the namespace prefix. + xattrWant = strings.TrimPrefix(xattrWant, "user.") + } + found := false + for _, name := range xattrs { + if name == xattrWant { + found = true + } + } + + if !found { + t.Errorf("Listxattr did not return previously set attribute '%s'", xattrName) + } + + // find size + size, err = unix.Getxattr(f, xattrName, nil) + if err != nil { + t.Fatalf("Getxattr: %v", err) + } + + if size <= 0 { + t.Fatalf("Getxattr returned an empty attribute") + } + + xattrDataGet := make([]byte, size) + _, err = unix.Getxattr(f, xattrName, xattrDataGet) + if err != nil { + t.Fatalf("Getxattr: %v", err) + } + + got := string(xattrDataGet) + if got != xattrDataSet { + t.Errorf("Getxattr: expected attribute value %s, got %s", xattrDataSet, got) + } + + err = unix.Removexattr(f, xattrName) + if err != nil { + t.Fatalf("Removexattr: %v", err) + } + + n := "nonexistent" + err = unix.Lsetxattr(n, xattrName, []byte(xattrDataSet), 0) + if err != unix.ENOENT { + t.Errorf("Lsetxattr: expected %v on non-existent file, got %v", unix.ENOENT, err) + } + + _, err = unix.Lgetxattr(n, xattrName, nil) + if err != unix.ENOENT { + t.Errorf("Lgetxattr: %v", err) + } + + s := "symlink1" + err = os.Symlink(n, s) + if err != nil { + t.Fatal(err) + } + + err = unix.Lsetxattr(s, xattrName, []byte(xattrDataSet), 0) + if err != nil { + // Linux and Android doen't support xattrs on symlinks according + // to xattr(7), so just test that we get the proper error. + if (runtime.GOOS != "linux" && runtime.GOOS != "android") || err != unix.EPERM { + t.Fatalf("Lsetxattr: %v", err) + } + } +} + +func TestFdXattr(t *testing.T) { + file, err := ioutil.TempFile("", "TestFdXattr") + if err != nil { + t.Fatal(err) + } + defer os.Remove(file.Name()) + defer file.Close() + + fd := int(file.Fd()) + xattrName := "user.test" + xattrDataSet := "gopher" + + err = unix.Fsetxattr(fd, xattrName, []byte(xattrDataSet), 0) + if err == unix.ENOTSUP || err == unix.EOPNOTSUPP { + t.Skip("filesystem does not support extended attributes, skipping test") + } else if err != nil { + t.Fatalf("Fsetxattr: %v", err) + } + + // find size + size, err := unix.Flistxattr(fd, nil) + if err != nil { + t.Fatalf("Flistxattr: %v", err) + } + + if size <= 0 { + t.Fatalf("Flistxattr returned an empty list of attributes") + } + + buf := make([]byte, size) + read, err := unix.Flistxattr(fd, buf) + if err != nil { + t.Fatalf("Flistxattr: %v", err) + } + + xattrs := stringsFromByteSlice(buf[:read]) + + xattrWant := xattrName + if runtime.GOOS == "freebsd" { + // On FreeBSD, the namespace is stored separately from the xattr + // name and Listxattr doesn't return the namespace prefix. + xattrWant = strings.TrimPrefix(xattrWant, "user.") + } + found := false + for _, name := range xattrs { + if name == xattrWant { + found = true + } + } + + if !found { + t.Errorf("Flistxattr did not return previously set attribute '%s'", xattrName) + } + + // find size + size, err = unix.Fgetxattr(fd, xattrName, nil) + if err != nil { + t.Fatalf("Fgetxattr: %v", err) + } + + if size <= 0 { + t.Fatalf("Fgetxattr returned an empty attribute") + } + + xattrDataGet := make([]byte, size) + _, err = unix.Fgetxattr(fd, xattrName, xattrDataGet) + if err != nil { + t.Fatalf("Fgetxattr: %v", err) + } + + got := string(xattrDataGet) + if got != xattrDataSet { + t.Errorf("Fgetxattr: expected attribute value %s, got %s", xattrDataSet, got) + } + + err = unix.Fremovexattr(fd, xattrName) + if err != nil { + t.Fatalf("Fremovexattr: %v", err) + } +} |