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// Copyright 2011 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.
package user
import (
"os"
"testing"
)
var (
hasCgo = false
hasUSER = os.Getenv("USER") != ""
hasHOME = os.Getenv("HOME") != ""
)
func checkUser(t *testing.T) {
t.Helper()
if !userImplemented {
t.Skip("user: not implemented; skipping tests")
}
}
func TestCurrent(t *testing.T) {
old := userBuffer
defer func() {
userBuffer = old
}()
userBuffer = 1 // force use of retry code
u, err := Current()
if err != nil {
if hasCgo || (hasUSER && hasHOME) {
t.Fatalf("Current: %v (got %#v)", err, u)
} else {
t.Skipf("skipping: %v", err)
}
}
if u.HomeDir == "" {
t.Errorf("didn't get a HomeDir")
}
if u.Username == "" {
t.Errorf("didn't get a username")
}
}
func BenchmarkCurrent(b *testing.B) {
for i := 0; i < b.N; i++ {
Current()
}
}
func compare(t *testing.T, want, got *User) {
if want.Uid != got.Uid {
t.Errorf("got Uid=%q; want %q", got.Uid, want.Uid)
}
if want.Username != got.Username {
t.Errorf("got Username=%q; want %q", got.Username, want.Username)
}
if want.Name != got.Name {
t.Errorf("got Name=%q; want %q", got.Name, want.Name)
}
if want.HomeDir != got.HomeDir {
t.Errorf("got HomeDir=%q; want %q", got.HomeDir, want.HomeDir)
}
if want.Gid != got.Gid {
t.Errorf("got Gid=%q; want %q", got.Gid, want.Gid)
}
}
func TestLookup(t *testing.T) {
checkUser(t)
want, err := Current()
if err != nil {
if hasCgo || (hasUSER && hasHOME) {
t.Fatalf("Current: %v", err)
} else {
t.Skipf("skipping: %v", err)
}
}
// TODO: Lookup() has a fast path that calls Current() and returns if the
// usernames match, so this test does not exercise very much. It would be
// good to try and test finding a different user than the current user.
got, err := Lookup(want.Username)
if err != nil {
t.Fatalf("Lookup: %v", err)
}
compare(t, want, got)
}
func TestLookupId(t *testing.T) {
checkUser(t)
want, err := Current()
if err != nil {
if hasCgo || (hasUSER && hasHOME) {
t.Fatalf("Current: %v", err)
} else {
t.Skipf("skipping: %v", err)
}
}
got, err := LookupId(want.Uid)
if err != nil {
t.Fatalf("LookupId: %v", err)
}
compare(t, want, got)
}
func checkGroup(t *testing.T) {
t.Helper()
if !groupImplemented {
t.Skip("user: group not implemented; skipping test")
}
}
func TestLookupGroup(t *testing.T) {
old := groupBuffer
defer func() {
groupBuffer = old
}()
groupBuffer = 1 // force use of retry code
checkGroup(t)
user, err := Current()
if err != nil {
if hasCgo || (hasUSER && hasHOME) {
t.Fatalf("Current: %v", err)
} else {
t.Skipf("skipping: %v", err)
}
}
g1, err := LookupGroupId(user.Gid)
if err != nil {
// NOTE(rsc): Maybe the group isn't defined. That's fine.
// On my OS X laptop, rsc logs in with group 5000 even
// though there's no name for group 5000. Such is Unix.
t.Logf("LookupGroupId(%q): %v", user.Gid, err)
return
}
if g1.Gid != user.Gid {
t.Errorf("LookupGroupId(%q).Gid = %s; want %s", user.Gid, g1.Gid, user.Gid)
}
g2, err := LookupGroup(g1.Name)
if err != nil {
t.Fatalf("LookupGroup(%q): %v", g1.Name, err)
}
if g1.Gid != g2.Gid || g1.Name != g2.Name {
t.Errorf("LookupGroup(%q) = %+v; want %+v", g1.Name, g2, g1)
}
}
func checkGroupList(t *testing.T) {
t.Helper()
if !groupListImplemented {
t.Skip("user: group list not implemented; skipping test")
}
}
func TestGroupIds(t *testing.T) {
checkGroupList(t)
user, err := Current()
if err != nil {
if hasCgo || (hasUSER && hasHOME) {
t.Fatalf("Current: %v", err)
} else {
t.Skipf("skipping: %v", err)
}
}
gids, err := user.GroupIds()
if err != nil {
t.Fatalf("%+v.GroupIds(): %v", user, err)
}
if !containsID(gids, user.Gid) {
t.Errorf("%+v.GroupIds() = %v; does not contain user GID %s", user, gids, user.Gid)
}
}
func containsID(ids []string, id string) bool {
for _, x := range ids {
if x == id {
return true
}
}
return false
}
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