| /* |
| * Copyright (C) 2019 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.wifi; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import static org.mockito.ArgumentMatchers.any; |
| import static org.mockito.ArgumentMatchers.anyLong; |
| import static org.mockito.Mockito.doAnswer; |
| import static org.mockito.Mockito.doReturn; |
| import static org.mockito.Mockito.never; |
| import static org.mockito.Mockito.spy; |
| import static org.mockito.Mockito.verify; |
| |
| import android.os.Handler; |
| import android.os.HandlerThread; |
| |
| import androidx.test.filters.SmallTest; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.mockito.Mock; |
| import org.mockito.MockitoAnnotations; |
| import org.mockito.Spy; |
| |
| import java.util.function.Supplier; |
| |
| @SmallTest |
| public class WifiThreadRunnerTest { |
| |
| private static final int RESULT = 2; |
| private static final int VALUE_ON_TIMEOUT = -1; |
| |
| private WifiThreadRunner mWifiThreadRunner; |
| |
| @Mock private Runnable mRunnable; |
| |
| private Handler mHandler; |
| |
| @Spy private Supplier<Integer> mSupplier = () -> RESULT; |
| |
| @Before |
| public void setUp() { |
| MockitoAnnotations.initMocks(this); |
| HandlerThread mHandlerThread = new HandlerThread("WifiThreadRunnerTestHandlerThread"); |
| mHandlerThread.start(); |
| |
| // runWithScissors() is a final method that cannot be mocked, instead wrap it in a spy, |
| // then it can be mocked |
| mHandler = spy(mHandlerThread.getThreadHandler()); |
| |
| mWifiThreadRunner = new WifiThreadRunner(mHandler); |
| } |
| |
| @Test |
| public void callSuccess_returnExpectedValue() { |
| // doAnswer(<lambda>).when(<spy>).method(<args>) syntax is needed for spies instead of |
| // when(<mock>.method(<args>)).thenAnswer(<lambda>) for mocks |
| doAnswer(invocation -> { |
| Object[] args = invocation.getArguments(); |
| Runnable runnable = (Runnable) args[0]; |
| runnable.run(); |
| return true; |
| }).when(mHandler).runWithScissors(any(), anyLong()); |
| |
| Integer result = mWifiThreadRunner.call(mSupplier, VALUE_ON_TIMEOUT); |
| |
| assertThat(result).isEqualTo(RESULT); |
| verify(mSupplier).get(); |
| } |
| |
| @Test |
| public void callFailure_returnValueOnTimeout() { |
| doReturn(false).when(mHandler).post(any()); |
| |
| Integer result = mWifiThreadRunner.call(mSupplier, VALUE_ON_TIMEOUT); |
| |
| assertThat(result).isEqualTo(VALUE_ON_TIMEOUT); |
| verify(mSupplier, never()).get(); |
| } |
| |
| @Test |
| public void runSuccess() { |
| doAnswer(invocation -> { |
| Object[] args = invocation.getArguments(); |
| Runnable runnable = (Runnable) args[0]; |
| runnable.run(); |
| return true; |
| }).when(mHandler).runWithScissors(any(), anyLong()); |
| |
| boolean result = mWifiThreadRunner.run(mRunnable); |
| |
| assertThat(result).isTrue(); |
| verify(mRunnable).run(); |
| } |
| |
| @Test |
| public void runFailure() { |
| doReturn(false).when(mHandler).post(any()); |
| |
| boolean runSuccess = mWifiThreadRunner.run(mRunnable); |
| |
| assertThat(runSuccess).isFalse(); |
| verify(mRunnable, never()).run(); |
| } |
| |
| @Test |
| public void postSuccess() { |
| doReturn(true).when(mHandler).post(any()); |
| |
| boolean postSuccess = mWifiThreadRunner.post(mRunnable); |
| |
| assertThat(postSuccess).isTrue(); |
| verify(mHandler).post(mRunnable); |
| // assert that the runnable is not run on the calling thread |
| verify(mRunnable, never()).run(); |
| } |
| |
| @Test |
| public void postFailure() { |
| doReturn(false).when(mHandler).post(any()); |
| |
| boolean postSuccess = mWifiThreadRunner.post(mRunnable); |
| |
| assertThat(postSuccess).isFalse(); |
| verify(mHandler).post(mRunnable); |
| verify(mRunnable, never()).run(); |
| } |
| } |