[SEBA-820] Preventing the ONU from going to dhcp_started if we don't have the DHCP flow
Change-Id: Ia9c136830a6781fa69d7ead5406c3e354ad35a06
diff --git a/internal/bbsim/devices/onu_state_machine_test.go b/internal/bbsim/devices/onu_state_machine_test.go
new file mode 100644
index 0000000..239869b
--- /dev/null
+++ b/internal/bbsim/devices/onu_state_machine_test.go
@@ -0,0 +1,166 @@
+/*
+ * Copyright 2018-present Open Networking Foundation
+
+ * 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 (
+ "gotest.tools/assert"
+ "testing"
+)
+
+func Test_Onu_StateMachine_enable(t *testing.T) {
+ olt := OltDevice{
+ ID: 0,
+ }
+ pon := PonPort{
+ ID: 1,
+ }
+ onu := CreateONU(olt, pon, 1, 900, 900)
+
+ assert.Equal(t, onu.InternalState.Current(), "created")
+ onu.InternalState.Event("discover")
+ assert.Equal(t, onu.InternalState.Current(), "discovered")
+ onu.InternalState.Event("enable")
+ assert.Equal(t, onu.InternalState.Current(), "enabled")
+}
+
+func Test_Onu_StateMachine_eapol_start_eap_flow(t *testing.T) {
+ olt := OltDevice{
+ ID: 0,
+ }
+ pon := PonPort{
+ ID: 1,
+ }
+ onu := CreateONU(olt, pon, 1, 900, 900)
+
+ onu.InternalState.SetState("enabled")
+
+ // TODO we need to add a check so that you can't go from eapol_flow_received
+ // to auth_started without passing through gem_port_added
+ // (see start_dhcp for an example)
+
+ assert.Equal(t, onu.InternalState.Current(), "enabled")
+ onu.InternalState.Event("receive_eapol_flow")
+ assert.Equal(t, onu.InternalState.Current(), "eapol_flow_received")
+ onu.InternalState.Event("add_gem_port")
+ assert.Equal(t, onu.InternalState.Current(), "gem_port_added")
+ onu.InternalState.Event("start_auth")
+ assert.Equal(t, onu.InternalState.Current(), "auth_started")
+}
+
+func Test_Onu_StateMachine_eapol_start_gem_port(t *testing.T) {
+ olt := OltDevice{
+ ID: 0,
+ }
+ pon := PonPort{
+ ID: 1,
+ }
+ onu := CreateONU(olt, pon, 1, 900, 900)
+
+ onu.InternalState.SetState("enabled")
+
+ // TODO we need to add a check so that you can't go from gem_port_added
+ // to auth_started without passing through eapol_flow_received
+ // (see start_dhcp for an example)
+
+ assert.Equal(t, onu.InternalState.Current(), "enabled")
+ onu.InternalState.Event("add_gem_port")
+ assert.Equal(t, onu.InternalState.Current(), "gem_port_added")
+ onu.InternalState.Event("receive_eapol_flow")
+ assert.Equal(t, onu.InternalState.Current(), "eapol_flow_received")
+ onu.InternalState.Event("start_auth")
+ assert.Equal(t, onu.InternalState.Current(), "auth_started")
+}
+
+func Test_Onu_StateMachine_eapol_states(t *testing.T) {
+ olt := OltDevice{
+ ID: 0,
+ }
+ pon := PonPort{
+ ID: 1,
+ }
+ onu := CreateONU(olt, pon, 1, 900, 900)
+
+ onu.InternalState.SetState("auth_started")
+
+ assert.Equal(t, onu.InternalState.Current(), "auth_started")
+ onu.InternalState.Event("eap_start_sent")
+ assert.Equal(t, onu.InternalState.Current(), "eap_start_sent")
+ onu.InternalState.Event("eap_response_identity_sent")
+ assert.Equal(t, onu.InternalState.Current(), "eap_response_identity_sent")
+ onu.InternalState.Event("eap_response_challenge_sent")
+ assert.Equal(t, onu.InternalState.Current(), "eap_response_challenge_sent")
+ onu.InternalState.Event("eap_response_success_received")
+ assert.Equal(t, onu.InternalState.Current(), "eap_response_success_received")
+}
+
+func Test_Onu_StateMachine_dhcp_start(t *testing.T) {
+ olt := OltDevice{
+ ID: 0,
+ }
+ pon := PonPort{
+ ID: 1,
+ }
+ onu := CreateONU(olt, pon, 1, 900, 900)
+ onu.DhcpFlowReceived = true
+
+ onu.InternalState.SetState("eap_response_success_received")
+ assert.Equal(t, onu.InternalState.Current(), "eap_response_success_received")
+
+ onu.InternalState.Event("start_dhcp")
+
+ assert.Equal(t, onu.InternalState.Current(), "dhcp_started")
+}
+
+func Test_Onu_StateMachine_dhcp_start_error(t *testing.T) {
+ olt := OltDevice{
+ ID: 0,
+ }
+ pon := PonPort{
+ ID: 1,
+ }
+ onu := CreateONU(olt, pon, 1, 900, 900)
+
+ onu.InternalState.SetState("eap_response_success_received")
+ assert.Equal(t, onu.InternalState.Current(), "eap_response_success_received")
+
+ err := onu.InternalState.Event("start_dhcp")
+
+ assert.Equal(t, onu.InternalState.Current(), "eap_response_success_received")
+ assert.Equal(t, err.Error(), "transition canceled with error: cannot-go-to-dhcp-started-as-dhcp-flow-is-missing")
+}
+
+func Test_Onu_StateMachine_dhcp_states(t *testing.T) {
+ olt := OltDevice{
+ ID: 0,
+ }
+ pon := PonPort{
+ ID: 1,
+ }
+ onu := CreateONU(olt, pon, 1, 900, 900)
+
+ onu.DhcpFlowReceived = false
+
+ 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")
+}