1 /* 2 * Copyright (C) 2022 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.car.os; 18 19 import static com.google.common.truth.Truth.assertThat; 20 21 import static org.junit.Assert.assertThrows; 22 import static org.mockito.ArgumentMatchers.any; 23 import static org.mockito.ArgumentMatchers.anyInt; 24 import static org.mockito.ArgumentMatchers.anyString; 25 import static org.mockito.ArgumentMatchers.eq; 26 import static org.mockito.Mockito.doThrow; 27 import static org.mockito.Mockito.verify; 28 import static org.mockito.Mockito.when; 29 30 import android.car.Car; 31 import android.content.Context; 32 import android.os.Handler; 33 import android.os.IBinder; 34 import android.os.Looper; 35 import android.os.RemoteException; 36 import android.os.ServiceSpecificException; 37 38 import org.junit.Before; 39 import org.junit.Test; 40 import org.junit.runner.RunWith; 41 import org.mockito.Mock; 42 import org.mockito.junit.MockitoJUnitRunner; 43 44 @RunWith(MockitoJUnitRunner.Silent.class) 45 public final class CarPerformanceManagerUnitTest { 46 47 private Handler mMainHandler; 48 49 @Mock private Context mContext; 50 @Mock private Car mCar; 51 @Mock private IBinder mBinder; 52 @Mock private ICarPerformanceService mService; 53 54 private CarPerformanceManager mCarPerformanceManager; 55 56 @Before setUp()57 public void setUp() { 58 mMainHandler = new Handler(Looper.getMainLooper()); 59 60 when(mCar.getContext()).thenReturn(mContext); 61 when(mCar.getEventHandler()).thenReturn(mMainHandler); 62 when(mCar.handleRemoteExceptionFromCarService(any(RemoteException.class), any())) 63 .thenCallRealMethod(); 64 when(mBinder.queryLocalInterface(anyString())).thenReturn(mService); 65 mCarPerformanceManager = new CarPerformanceManager(mCar, mBinder); 66 } 67 68 @Test testSetThreadPriority()69 public void testSetThreadPriority() throws Exception { 70 ThreadPolicyWithPriority expected = new ThreadPolicyWithPriority( 71 ThreadPolicyWithPriority.SCHED_FIFO, /* priority= */ 1); 72 73 mCarPerformanceManager.setThreadPriority(expected); 74 75 verify(mService).setThreadPriority(anyInt(), eq(expected)); 76 } 77 78 @Test testSetThreadPriorityServiceSpecificExceptionFromService()79 public void testSetThreadPriorityServiceSpecificExceptionFromService() throws Exception { 80 ThreadPolicyWithPriority p = new ThreadPolicyWithPriority( 81 ThreadPolicyWithPriority.SCHED_FIFO, /* priority= */ 1); 82 doThrow(new ServiceSpecificException(0)).when(mService).setThreadPriority(anyInt(), eq(p)); 83 84 assertThrows(CarPerformanceManager.SetSchedulerFailedException.class, 85 () -> mCarPerformanceManager.setThreadPriority(p)); 86 } 87 88 @Test testSetThreadPriorityRemoteExceptionFromService()89 public void testSetThreadPriorityRemoteExceptionFromService() throws Exception { 90 ThreadPolicyWithPriority p = new ThreadPolicyWithPriority( 91 ThreadPolicyWithPriority.SCHED_FIFO, /* priority= */ 1); 92 doThrow(new RemoteException("")).when(mService).setThreadPriority(anyInt(), eq(p)); 93 94 // Nothing should be thrown since {@link RemoteException} should be handled. 95 mCarPerformanceManager.setThreadPriority(p); 96 } 97 98 @Test testGetThreadPriority()99 public void testGetThreadPriority() throws Exception { 100 ThreadPolicyWithPriority expected = new ThreadPolicyWithPriority( 101 ThreadPolicyWithPriority.SCHED_FIFO, /* priority= */ 1); 102 when(mService.getThreadPriority(anyInt())).thenReturn(expected); 103 104 ThreadPolicyWithPriority got = mCarPerformanceManager.getThreadPriority(); 105 106 assertThat(got.getPolicy()).isEqualTo(expected.getPolicy()); 107 assertThat(got.getPriority()).isEqualTo(expected.getPriority()); 108 } 109 110 @Test testGetThreadPriorityRemoteExceptionFromService()111 public void testGetThreadPriorityRemoteExceptionFromService() throws Exception { 112 when(mService.getThreadPriority(anyInt())).thenThrow(new RemoteException("")); 113 114 ThreadPolicyWithPriority got = mCarPerformanceManager.getThreadPriority(); 115 116 assertThat(got.getPolicy()).isEqualTo(ThreadPolicyWithPriority.SCHED_DEFAULT); 117 assertThat(got.getPriority()).isEqualTo(0); 118 } 119 } 120