| /* |
| * Copyright (C) 2020 The Android Open Source Project |
| * |
| * 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 com.android.server.vcn; |
| |
| import static com.android.server.vcn.VcnGatewayConnection.VcnNetworkAgent; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertNull; |
| import static org.junit.Assert.assertTrue; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.never; |
| import static org.mockito.Mockito.verify; |
| |
| import androidx.test.filters.SmallTest; |
| import androidx.test.runner.AndroidJUnit4; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| /** Tests for VcnGatewayConnection.RetryTimeoutState */ |
| @RunWith(AndroidJUnit4.class) |
| @SmallTest |
| public class VcnGatewayConnectionRetryTimeoutStateTest extends VcnGatewayConnectionTestBase { |
| private long mFirstRetryInterval; |
| private VcnNetworkAgent mNetworkAgent; |
| |
| @Before |
| public void setUp() throws Exception { |
| super.setUp(); |
| |
| mFirstRetryInterval = mConfig.getRetryIntervalsMillis()[0]; |
| mNetworkAgent = mock(VcnNetworkAgent.class); |
| |
| mGatewayConnection.setUnderlyingNetwork(TEST_UNDERLYING_NETWORK_RECORD_1); |
| mGatewayConnection.transitionTo(mGatewayConnection.mRetryTimeoutState); |
| mTestLooper.dispatchAll(); |
| |
| mGatewayConnection.setNetworkAgent(mNetworkAgent); |
| } |
| |
| @Test |
| public void testNewNetworkTriggerRetry() throws Exception { |
| mGatewayConnection |
| .getUnderlyingNetworkTrackerCallback() |
| .onSelectedUnderlyingNetworkChanged(TEST_UNDERLYING_NETWORK_RECORD_2); |
| mTestLooper.dispatchAll(); |
| |
| assertEquals(mGatewayConnection.mConnectingState, mGatewayConnection.getCurrentState()); |
| verifyRetryTimeoutAlarmAndGetCallback(mFirstRetryInterval, true /* expectCanceled */); |
| |
| assertNotNull(mGatewayConnection.getNetworkAgent()); |
| verify(mNetworkAgent, never()).unregister(); |
| } |
| |
| @Test |
| public void testSameNetworkDoesNotTriggerRetry() throws Exception { |
| mGatewayConnection |
| .getUnderlyingNetworkTrackerCallback() |
| .onSelectedUnderlyingNetworkChanged(TEST_UNDERLYING_NETWORK_RECORD_1); |
| mTestLooper.dispatchAll(); |
| |
| assertEquals(mGatewayConnection.mRetryTimeoutState, mGatewayConnection.getCurrentState()); |
| verifyRetryTimeoutAlarmAndGetCallback(mFirstRetryInterval, false /* expectCanceled */); |
| |
| assertNotNull(mGatewayConnection.getNetworkAgent()); |
| verify(mNetworkAgent, never()).unregister(); |
| } |
| |
| @Test |
| public void testNullNetworkTriggersDisconnect() throws Exception { |
| mGatewayConnection |
| .getUnderlyingNetworkTrackerCallback() |
| .onSelectedUnderlyingNetworkChanged(null); |
| mTestLooper.dispatchAll(); |
| |
| assertEquals(mGatewayConnection.mDisconnectedState, mGatewayConnection.getCurrentState()); |
| verifyRetryTimeoutAlarmAndGetCallback(mFirstRetryInterval, true /* expectCanceled */); |
| |
| assertNull(mGatewayConnection.getNetworkAgent()); |
| verify(mNetworkAgent).unregister(); |
| } |
| |
| @Test |
| public void testTimeoutElapsingTriggersRetry() throws Exception { |
| final Runnable delayedEvent = |
| verifyRetryTimeoutAlarmAndGetCallback( |
| mFirstRetryInterval, false /* expectCanceled */); |
| |
| // Can't use mTestLooper to advance the time since VcnGatewayConnection uses WakeupMessages |
| // (which are mocked here). Directly invoke the runnable instead. This is still sufficient, |
| // since verifyRetryTimeoutAlarmAndGetCallback() verifies the WakeupMessage was scheduled |
| // with the correct delay. |
| delayedEvent.run(); |
| mTestLooper.dispatchAll(); |
| |
| assertEquals(mGatewayConnection.mConnectingState, mGatewayConnection.getCurrentState()); |
| verifyRetryTimeoutAlarmAndGetCallback(mFirstRetryInterval, true /* expectCanceled */); |
| |
| assertNotNull(mGatewayConnection.getNetworkAgent()); |
| verify(mNetworkAgent, never()).unregister(); |
| } |
| |
| @Test |
| public void testSafeModeTimeoutNotifiesCallbackAndUnregistersNetworkAgent() { |
| verifySafeModeTimeoutNotifiesCallbackAndUnregistersNetworkAgent( |
| mGatewayConnection.mRetryTimeoutState); |
| } |
| |
| @Test |
| public void testTeardownDisconnectRequest() throws Exception { |
| mGatewayConnection.teardownAsynchronously(); |
| mTestLooper.dispatchAll(); |
| |
| assertNull(mGatewayConnection.getCurrentState()); |
| assertTrue(mGatewayConnection.isQuitting()); |
| |
| assertNull(mGatewayConnection.getNetworkAgent()); |
| verify(mNetworkAgent).unregister(); |
| } |
| |
| @Test |
| public void testNonTeardownDisconnectRequest() throws Exception { |
| mGatewayConnection.sendDisconnectRequestedAndAcquireWakelock("TEST", false); |
| mTestLooper.dispatchAll(); |
| |
| assertEquals(mGatewayConnection.mDisconnectedState, mGatewayConnection.getCurrentState()); |
| assertFalse(mGatewayConnection.isQuitting()); |
| |
| assertNull(mGatewayConnection.getNetworkAgent()); |
| verify(mNetworkAgent).unregister(); |
| } |
| } |