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// SPDX-License-Identifier: GPL-3.0-or-later
//go:build linux
// +build linux
package logind
import (
"errors"
"os"
"testing"
"github.com/netdata/netdata/go/go.d.plugin/agent/module"
"github.com/coreos/go-systemd/v22/login1"
"github.com/godbus/dbus/v5"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
var (
dataConfigJSON, _ = os.ReadFile("testdata/config.json")
dataConfigYAML, _ = os.ReadFile("testdata/config.yaml")
)
func Test_testDataIsValid(t *testing.T) {
for name, data := range map[string][]byte{
"dataConfigJSON": dataConfigJSON,
"dataConfigYAML": dataConfigYAML,
} {
require.NotNil(t, data, name)
}
}
func TestLogind_ConfigurationSerialize(t *testing.T) {
module.TestConfigurationSerialize(t, &Logind{}, dataConfigJSON, dataConfigYAML)
}
func TestLogind_Init(t *testing.T) {
tests := map[string]struct {
config Config
wantFail bool
}{
"default config": {
wantFail: false,
config: New().Config,
},
}
for name, test := range tests {
t.Run(name, func(t *testing.T) {
l := New()
l.Config = test.config
if test.wantFail {
assert.Error(t, l.Init())
} else {
assert.NoError(t, l.Init())
}
})
}
}
func TestLogind_Charts(t *testing.T) {
assert.Equal(t, len(charts), len(*New().Charts()))
}
func TestLogind_Cleanup(t *testing.T) {
tests := map[string]struct {
wantClose bool
prepare func(l *Logind)
}{
"after New": {
wantClose: false,
prepare: func(l *Logind) {},
},
"after Init": {
wantClose: false,
prepare: func(l *Logind) { _ = l.Init() },
},
"after Check": {
wantClose: true,
prepare: func(l *Logind) { _ = l.Init(); _ = l.Check() },
},
"after Collect": {
wantClose: true,
prepare: func(l *Logind) { _ = l.Init(); l.Collect() },
},
}
for name, test := range tests {
t.Run(name, func(t *testing.T) {
l := New()
m := prepareConnOK()
l.newLogindConn = func(Config) (logindConnection, error) { return m, nil }
test.prepare(l)
require.NotPanics(t, l.Cleanup)
if test.wantClose {
assert.True(t, m.closeCalled)
} else {
assert.False(t, m.closeCalled)
}
})
}
}
func TestLogind_Check(t *testing.T) {
tests := map[string]struct {
wantFail bool
prepare func() *mockConn
}{
"success when response contains sessions and users": {
wantFail: false,
prepare: prepareConnOK,
},
"success when response does not contain sessions and users": {
wantFail: false,
prepare: prepareConnOKNoSessionsNoUsers,
},
"fail when error on list sessions": {
wantFail: true,
prepare: prepareConnErrOnListSessions,
},
"fail when error on get session properties": {
wantFail: true,
prepare: prepareConnErrOnGetSessionProperties,
},
"fail when error on list users": {
wantFail: true,
prepare: prepareConnErrOnListUsers,
},
"fail when error on get user property": {
wantFail: true,
prepare: prepareConnErrOnGetUserProperty,
},
}
for name, test := range tests {
t.Run(name, func(t *testing.T) {
l := New()
require.NoError(t, l.Init())
l.conn = test.prepare()
if test.wantFail {
assert.Error(t, l.Check())
} else {
assert.NoError(t, l.Check())
}
})
}
}
func TestLogind_Collect(t *testing.T) {
tests := map[string]struct {
prepare func() *mockConn
expected map[string]int64
}{
"success when response contains sessions and users": {
prepare: prepareConnOK,
expected: map[string]int64{
"sessions_local": 3,
"sessions_remote": 0,
"sessions_state_active": 0,
"sessions_state_closing": 0,
"sessions_state_online": 3,
"sessions_type_console": 3,
"sessions_type_graphical": 0,
"sessions_type_other": 0,
"users_state_active": 3,
"users_state_closing": 0,
"users_state_lingering": 0,
"users_state_offline": 0,
"users_state_online": 0,
},
},
"success when response does not contain sessions and users": {
prepare: prepareConnOKNoSessionsNoUsers,
expected: map[string]int64{
"sessions_local": 0,
"sessions_remote": 0,
"sessions_state_active": 0,
"sessions_state_closing": 0,
"sessions_state_online": 0,
"sessions_type_console": 0,
"sessions_type_graphical": 0,
"sessions_type_other": 0,
"users_state_active": 0,
"users_state_closing": 0,
"users_state_lingering": 0,
"users_state_offline": 0,
"users_state_online": 0,
},
},
"fail when error on list sessions": {
prepare: prepareConnErrOnListSessions,
expected: map[string]int64(nil),
},
"fail when error on get session properties": {
prepare: prepareConnErrOnGetSessionProperties,
expected: map[string]int64(nil),
},
"fail when error on list users": {
prepare: prepareConnErrOnListUsers,
expected: map[string]int64(nil),
},
"fail when error on get user property": {
prepare: prepareConnErrOnGetUserProperty,
expected: map[string]int64(nil),
},
}
for name, test := range tests {
t.Run(name, func(t *testing.T) {
l := New()
require.NoError(t, l.Init())
l.conn = test.prepare()
mx := l.Collect()
assert.Equal(t, test.expected, mx)
})
}
}
func prepareConnOK() *mockConn {
return &mockConn{
sessions: []login1.Session{
{Path: "/org/freedesktop/login1/session/_3156", User: "user1", ID: "123"},
{Path: "/org/freedesktop/login1/session/_3157", User: "user2", ID: "124"},
{Path: "/org/freedesktop/login1/session/_3158", User: "user3", ID: "125"},
},
users: []login1.User{
{Path: "/org/freedesktop/login1/user/_1000", Name: "user1", UID: 123},
{Path: "/org/freedesktop/login1/user/_1001", Name: "user2", UID: 124},
{Path: "/org/freedesktop/login1/user/_1002", Name: "user3", UID: 125},
},
errOnListSessions: false,
errOnGetSessionProperties: false,
errOnListUsers: false,
errOnGetUserProperty: false,
closeCalled: false,
}
}
func prepareConnOKNoSessionsNoUsers() *mockConn {
conn := prepareConnOK()
conn.sessions = nil
conn.users = nil
return conn
}
func prepareConnErrOnListSessions() *mockConn {
conn := prepareConnOK()
conn.errOnListSessions = true
return conn
}
func prepareConnErrOnGetSessionProperties() *mockConn {
conn := prepareConnOK()
conn.errOnGetSessionProperties = true
return conn
}
func prepareConnErrOnListUsers() *mockConn {
conn := prepareConnOK()
conn.errOnListUsers = true
return conn
}
func prepareConnErrOnGetUserProperty() *mockConn {
conn := prepareConnOK()
conn.errOnGetUserProperty = true
return conn
}
type mockConn struct {
sessions []login1.Session
users []login1.User
errOnListSessions bool
errOnGetSessionProperties bool
errOnListUsers bool
errOnGetUserProperty bool
closeCalled bool
}
func (m *mockConn) Close() {
m.closeCalled = true
}
func (m *mockConn) ListSessions() ([]login1.Session, error) {
if m.errOnListSessions {
return nil, errors.New("mock.ListSessions() error")
}
return m.sessions, nil
}
func (m *mockConn) GetSessionProperties(path dbus.ObjectPath) (map[string]dbus.Variant, error) {
if m.errOnGetSessionProperties {
return nil, errors.New("mock.GetSessionProperties() error")
}
var found bool
for _, s := range m.sessions {
if s.Path == path {
found = true
break
}
}
if !found {
return nil, errors.New("mock.GetUserProperty(): session is not found")
}
return map[string]dbus.Variant{
"Remote": dbus.MakeVariant("true"),
"Type": dbus.MakeVariant("tty"),
"State": dbus.MakeVariant("online"),
}, nil
}
func (m *mockConn) ListUsers() ([]login1.User, error) {
if m.errOnListUsers {
return nil, errors.New("mock.ListUsers() error")
}
return m.users, nil
}
func (m *mockConn) GetUserProperty(path dbus.ObjectPath, _ string) (*dbus.Variant, error) {
if m.errOnGetUserProperty {
return nil, errors.New("mock.GetUserProperty() error")
}
var found bool
for _, u := range m.users {
if u.Path == path {
found = true
break
}
}
if !found {
return nil, errors.New("mock.GetUserProperty(): user is not found")
}
v := dbus.MakeVariant("active")
return &v, nil
}
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