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/*
* Copyright 2018-2023 Open Networking Foundation (ONF) and the ONF Contributors
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package devices
import (
"testing"
"github.com/opencord/bbsim/internal/bbsim/responders/eapol"
omcilib "github.com/opencord/bbsim/internal/common/omci"
me "github.com/opencord/omci-lib-go/v2/generated"
"gotest.tools/assert"
)
func Test_Onu_StateMachine_enable(t *testing.T) {
onu := createTestOnu()
assert.Equal(t, onu.InternalState.Current(), OnuStateInitialized)
_ = onu.InternalState.Event(OnuTxDiscover)
assert.Equal(t, onu.InternalState.Current(), OnuStateDiscovered)
_ = onu.InternalState.Event(OnuTxEnable)
assert.Equal(t, onu.InternalState.Current(), OnuStateEnabled)
}
func Test_Onu_StateMachine_disable(t *testing.T) {
onu := createTestOnu()
onu.InternalState.SetState(OnuStateEnabled)
assert.Equal(t, onu.InternalState.Current(), OnuStateEnabled)
onu.Flows = []FlowKey{
{ID: 1},
{ID: 2},
}
key := omcilib.OnuAlarmInfoMapKey{
MeInstance: 257,
MeClassID: me.PhysicalPathTerminationPointEthernetUniClassID,
}
onu.onuAlarmsInfo[key] = omcilib.OnuAlarmInfo{SequenceNo: 1, AlarmBitMap: [28]byte{}}
onu.PonPort.storeOnuId(onu.ID, onu.SerialNumber)
onu.PonPort.storeAllocId(1, 1024, 0x8001, 1024, onu.SerialNumber)
onu.PonPort.storeGemPort(1, onu.SerialNumber)
_ = onu.InternalState.Event(OnuTxDisable)
assert.Equal(t, onu.InternalState.Current(), OnuStateDisabled)
assert.Equal(t, len(onu.onuAlarmsInfo), 0)
assert.Equal(t, len(onu.Flows), 0)
assert.Equal(t, len(onu.PonPort.AllocatedOnuIds), 0)
assert.Equal(t, len(onu.PonPort.AllocatedAllocIds), 0)
assert.Equal(t, len(onu.PonPort.AllocatedGemPorts), 0)
}
func Test_Onu_StateMachine_pon_disable(t *testing.T) {
onu := createTestOnu()
var err error
onu.InternalState.SetState(OnuStateEnabled)
err = onu.InternalState.Event(OnuTxPonDisable)
assert.NilError(t, err)
assert.Equal(t, OnuStatePonDisabled, onu.InternalState.Current())
onu.InternalState.SetState(OnuStateImageDownloadComplete)
err = onu.InternalState.Event(OnuTxPonDisable)
assert.NilError(t, err)
assert.Equal(t, OnuStatePonDisabled, onu.InternalState.Current())
}
func Test_Onu_StateMachine_software_image(t *testing.T) {
onu := createTestOnu()
var err error
// happy path
onu.InternalState.SetState(OnuStateEnabled)
err = onu.InternalState.Event(OnuTxStartImageDownload)
assert.NilError(t, err)
assert.Equal(t, OnuStateImageDownloadStarted, onu.InternalState.Current())
err = onu.InternalState.Event(OnuTxProgressImageDownload)
assert.NilError(t, err)
assert.Equal(t, OnuStateImageDownloadInProgress, onu.InternalState.Current())
err = onu.InternalState.Event(OnuTxCompleteImageDownload)
assert.NilError(t, err)
assert.Equal(t, OnuStateImageDownloadComplete, onu.InternalState.Current())
err = onu.InternalState.Event(OnuTxActivateImage)
assert.NilError(t, err)
assert.Equal(t, OnuStateImageActivated, onu.InternalState.Current())
// after image activate we get an ONU reboot, thus the state is back to Enabled before committing
onu.InternalState.SetState(OnuStateEnabled)
err = onu.InternalState.Event(OnuTxCommitImage)
assert.NilError(t, err)
assert.Equal(t, OnuStateImageCommitted, onu.InternalState.Current())
// but we should be able to start a new download
err = onu.InternalState.Event(OnuTxStartImageDownload)
assert.NilError(t, err)
assert.Equal(t, OnuStateImageDownloadStarted, onu.InternalState.Current())
}
// check that I can go to auth_started only if
// - the GemPort is set
// - the eapolFlow is received
func Test_Onu_StateMachine_eapol_no_flow(t *testing.T) {
t.Skip("Needs to be moved in the Service struct")
onu := createTestOnu()
onu.InternalState.SetState(OnuStateEnabled)
assert.Equal(t, onu.InternalState.Current(), OnuStateEnabled)
// fail as no EapolFlow has been received
err := onu.InternalState.Event(eapol.EventStartAuth)
if err == nil {
t.Fatal("can't start EAPOL without EapolFlow")
}
assert.Equal(t, onu.InternalState.Current(), OnuStateEnabled)
assert.Equal(t, err.Error(), "transition canceled with error: cannot-go-to-auth-started-as-eapol-flow-is-missing")
}
func Test_Onu_StateMachine_eapol_no_gem(t *testing.T) {
t.Skip("Needs to be moved in the Service struct")
onu := createTestOnu()
onu.InternalState.SetState(OnuStateEnabled)
assert.Equal(t, onu.InternalState.Current(), OnuStateEnabled)
// fail has no GemPort has been set
err := onu.InternalState.Event(eapol.EventStartAuth)
if err == nil {
t.Fatal("can't start EAPOL without GemPort")
}
assert.Equal(t, onu.InternalState.Current(), OnuStateEnabled)
assert.Equal(t, err.Error(), "transition canceled with error: cannot-go-to-auth-started-as-gemport-is-missing")
}
func Test_Onu_StateMachine_eapol_start(t *testing.T) {
t.Skip("Needs to be moved in the Service struct")
onu := createTestOnu()
onu.InternalState.SetState(OnuStateEnabled)
assert.Equal(t, onu.InternalState.Current(), OnuStateEnabled)
// succeed
_ = onu.InternalState.Event(eapol.EventStartAuth)
assert.Equal(t, onu.InternalState.Current(), eapol.StateAuthStarted)
}
func Test_Onu_StateMachine_eapol_states(t *testing.T) {
t.Skip("Needs to be moved in the Service struct")
onu := createTestOnu()
onu.InternalState.SetState(eapol.StateAuthStarted)
assert.Equal(t, onu.InternalState.Current(), eapol.StateAuthStarted)
_ = onu.InternalState.Event(eapol.EventStartSent)
assert.Equal(t, onu.InternalState.Current(), eapol.StateStartSent)
_ = onu.InternalState.Event(eapol.EventResponseIdentitySent)
assert.Equal(t, onu.InternalState.Current(), eapol.StateResponseIdentitySent)
_ = onu.InternalState.Event(eapol.EventResponseChallengeSent)
assert.Equal(t, onu.InternalState.Current(), eapol.StateResponseChallengeSent)
_ = onu.InternalState.Event(eapol.EventResponseSuccessReceived)
assert.Equal(t, onu.InternalState.Current(), eapol.StateResponseSuccessReceived)
// test that we can retrigger EAPOL
states := []string{eapol.StateStartSent, eapol.StateResponseIdentitySent, eapol.StateResponseChallengeSent, eapol.StateResponseSuccessReceived, eapol.StateAuthFailed, "dhcp_ack_received", "dhcp_failed"}
for _, state := range states {
onu.InternalState.SetState(state)
err := onu.InternalState.Event(eapol.EventStartAuth)
assert.Equal(t, err, nil)
assert.Equal(t, onu.InternalState.Current(), eapol.StateAuthStarted)
}
}
// if auth is set to true we can't go from enabled to dhcp_started
func Test_Onu_StateMachine_dhcp_no_auth(t *testing.T) {
t.Skip("Needs to be moved in the Service struct")
onu := createTestOnu()
onu.InternalState.SetState(OnuStateEnabled)
assert.Equal(t, onu.InternalState.Current(), OnuStateEnabled)
err := onu.InternalState.Event("start_dhcp")
if err == nil {
t.Fail()
}
assert.Equal(t, onu.InternalState.Current(), OnuStateEnabled)
assert.Equal(t, err.Error(), "transition canceled with error: cannot-go-to-dhcp-started-as-authentication-is-required")
}
// if the DHCP flow has not been received we can't start authentication
func Test_Onu_StateMachine_dhcp_no_flow(t *testing.T) {
t.Skip("Needs to be moved in the Service struct")
onu := createTestOnu()
onu.InternalState.SetState(eapol.StateResponseSuccessReceived)
assert.Equal(t, onu.InternalState.Current(), eapol.StateResponseSuccessReceived)
err := onu.InternalState.Event("start_dhcp")
if err == nil {
t.Fail()
}
assert.Equal(t, onu.InternalState.Current(), eapol.StateResponseSuccessReceived)
assert.Equal(t, err.Error(), "transition canceled with error: cannot-go-to-dhcp-started-as-dhcp-flow-is-missing")
}
// if the ONU does not have a GemPort we can't start DHCP
func Test_Onu_StateMachine_dhcp_no_gem(t *testing.T) {
t.Skip("Needs to be moved in the Service struct")
onu := createTestOnu()
onu.InternalState.SetState(eapol.StateResponseSuccessReceived)
assert.Equal(t, onu.InternalState.Current(), eapol.StateResponseSuccessReceived)
err := onu.InternalState.Event("start_dhcp")
if err == nil {
t.Fail()
}
assert.Equal(t, onu.InternalState.Current(), eapol.StateResponseSuccessReceived)
assert.Equal(t, err.Error(), "transition canceled with error: cannot-go-to-dhcp-started-as-gemport-is-missing")
}
func Test_Onu_StateMachine_dhcp_start(t *testing.T) {
t.Skip("Needs to be moved in the Service struct")
onu := createTestOnu()
onu.InternalState.SetState(eapol.StateResponseSuccessReceived)
assert.Equal(t, onu.InternalState.Current(), eapol.StateResponseSuccessReceived)
// default transition
_ = onu.InternalState.Event("start_dhcp")
assert.Equal(t, onu.InternalState.Current(), "dhcp_started")
}
func Test_Onu_StateMachine_dhcp_states(t *testing.T) {
t.Skip("Needs to be moved in the Service struct")
onu := createTestOnu()
onu.InternalState.SetState("dhcp_started")
assert.Equal(t, onu.InternalState.Current(), "dhcp_started")
_ = onu.InternalState.Event("dhcp_discovery_sent")
assert.Equal(t, onu.InternalState.Current(), "dhcp_discovery_sent")
_ = onu.InternalState.Event("dhcp_request_sent")
assert.Equal(t, onu.InternalState.Current(), "dhcp_request_sent")
_ = onu.InternalState.Event("dhcp_ack_received")
assert.Equal(t, onu.InternalState.Current(), "dhcp_ack_received")
// test that we can retrigger DHCP
states := []string{eapol.StateResponseSuccessReceived, "dhcp_discovery_sent", "dhcp_request_sent", "dhcp_ack_received", "dhcp_failed"}
for _, state := range states {
onu.InternalState.SetState(state)
err := onu.InternalState.Event("start_dhcp")
assert.Equal(t, err, nil)
assert.Equal(t, onu.InternalState.Current(), "dhcp_started")
}
}