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// Copyright (c) 2019-2021, Sylabs Inc. All rights reserved.
// This software is licensed under a 3-clause BSD license. Please consult the
// LICENSE.md file distributed with the sources of this project regarding your
// rights to use or distribute this software.
package overlay
import (
"os"
"path/filepath"
"testing"
"golang.org/x/sys/unix"
)
func TestCheckLowerUpper(t *testing.T) {
tests := []struct {
name string
path string
fsName string
fsType int64
dir dir
expectedSuccess bool
expectIncompatibleErr bool
}{
{
name: "Root filesystem lower",
path: "/",
fsName: "none",
dir: lowerDir,
expectedSuccess: true,
expectIncompatibleErr: false,
},
{
name: "Root filesystem upper",
path: "/",
fsName: "none",
dir: upperDir,
expectedSuccess: true,
expectIncompatibleErr: false,
},
{
name: "Non existent path lower",
path: "/non/existent/path",
fsName: "none",
dir: lowerDir,
expectedSuccess: false,
expectIncompatibleErr: false,
},
{
name: "Non existent path upper",
path: "/non/existent/path",
fsName: "none",
dir: upperDir,
expectedSuccess: false,
expectIncompatibleErr: false,
},
{
name: "NFS mock lower",
path: "/",
fsName: "NFS",
dir: lowerDir,
fsType: nfs,
expectedSuccess: true,
expectIncompatibleErr: false,
},
{
name: "NFS mock upper",
path: "/",
fsName: "NFS",
dir: upperDir,
fsType: nfs,
expectedSuccess: false,
expectIncompatibleErr: true,
},
{
name: "FUSE mock lower",
path: "/",
fsName: "FUSE",
dir: lowerDir,
fsType: fuse,
expectedSuccess: true,
expectIncompatibleErr: false,
},
{
name: "FUSE mock upper",
path: "/",
fsName: "FUSE",
dir: upperDir,
fsType: fuse,
expectedSuccess: false,
expectIncompatibleErr: true,
},
{
name: "ECRYPT mock lower",
path: "/",
fsName: "ECRYPT",
dir: lowerDir,
fsType: ecrypt,
expectedSuccess: false,
expectIncompatibleErr: true,
},
{
name: "ECRYPT mock upper",
path: "/",
fsName: "ECRYPT",
dir: upperDir,
fsType: ecrypt,
expectedSuccess: false,
expectIncompatibleErr: true,
},
//nolint:misspell
{
name: "LUSTRE mock lower",
path: "/",
fsName: "LUSTRE",
dir: lowerDir,
fsType: lustre,
expectedSuccess: false,
expectIncompatibleErr: true,
},
//nolint:misspell
{
name: "LUSTRE mock upper",
path: "/",
fsName: "LUSTRE",
dir: upperDir,
fsType: lustre,
expectedSuccess: false,
expectIncompatibleErr: true,
},
{
name: "GPFS mock lower",
path: "/",
fsName: "GPFS",
dir: lowerDir,
fsType: gpfs,
expectedSuccess: false,
expectIncompatibleErr: true,
},
{
name: "GPFS mock upper",
path: "/",
fsName: "GPFS",
dir: upperDir,
fsType: gpfs,
expectedSuccess: false,
expectIncompatibleErr: true,
},
{
name: "PANFS mock lower",
path: "/",
fsName: "PANFS",
dir: lowerDir,
fsType: panfs,
expectedSuccess: false,
expectIncompatibleErr: true,
},
{
name: "PANFS mock upper",
path: "/",
fsName: "PANFS",
dir: upperDir,
fsType: panfs,
expectedSuccess: false,
expectIncompatibleErr: true,
},
}
if IsIncompatible(nil) {
t.Errorf("IsIncompatible with nil error returned true")
}
for _, tt := range tests {
var err error
// mock statfs
if tt.fsType > 0 {
statfs = func(path string, st *unix.Statfs_t) error {
st.Type = tt.fsType
return nil
}
} else {
statfs = unix.Statfs
}
switch tt.dir {
case lowerDir:
err = CheckLower(tt.path)
case upperDir:
err = CheckUpper(tt.path)
}
if err != nil && tt.expectedSuccess {
t.Errorf("unexpected error for %q: %s", tt.name, err)
} else if err == nil && !tt.expectedSuccess {
t.Errorf("unexpected success for %q", tt.name)
} else if err != nil && !tt.expectedSuccess {
if !tt.expectIncompatibleErr {
continue
}
expectedError := &errIncompatibleFs{
path: tt.path,
name: tt.fsName,
dir: tt.dir,
}
if IsIncompatible(err) {
if expectedError.Error() == err.Error() {
continue
}
}
t.Errorf("unexpected error for %q: %q instead of %q", tt.name, err, expectedError)
}
}
}
func TestAbsOverlay(t *testing.T) {
tmpDir := mkTempDirOrFatal(t)
oldDir, err := os.Getwd()
if err != nil {
t.Fatal(err)
}
if err := os.Chdir(tmpDir); err != nil {
t.Fatal(err)
}
t.Cleanup(func() {
os.Chdir(oldDir)
})
innerDir := filepath.Join(tmpDir, "inner")
if err := os.Mkdir(innerDir, 0o755); err != nil {
t.Fatal(err)
}
tests := []struct {
name string
desc string
want string
wantErr bool
}{
{
name: "abs",
desc: innerDir,
want: innerDir,
},
{
name: "rel",
desc: "inner",
want: innerDir,
},
{
name: "abs_dots",
desc: innerDir + "/../inner",
want: innerDir,
},
{
name: "rel_dots",
desc: "inner/../inner",
want: innerDir,
},
{
name: "absDest",
desc: innerDir + ":/dest",
want: innerDir + ":/dest",
},
{
name: "relDest",
desc: "inner" + ":/dest",
want: innerDir + ":/dest",
},
{
name: "absDestOpt",
desc: innerDir + ":/dest:ro",
want: innerDir + ":/dest:ro",
},
{
name: "relDestOpt",
desc: "inner" + ":/dest:ro",
want: innerDir + ":/dest:ro",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := AbsOverlay(tt.desc)
if (err != nil) != tt.wantErr {
t.Errorf("AbsOverlay() error = %v, wantErr %v", err, tt.wantErr)
return
}
if got != tt.want {
t.Errorf("AbsOverlay() = %v, want %v", got, tt.want)
}
})
}
}
|
