1 /* 2 * Copyright (C) 2017 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 package com.android.tradefed.util.hostmetric; 17 18 import static org.junit.Assert.assertNotNull; 19 import static org.junit.Assert.assertNull; 20 import static org.junit.Assert.assertTrue; 21 22 import org.junit.Before; 23 import org.junit.Test; 24 import org.junit.runner.RunWith; 25 import org.junit.runners.JUnit4; 26 27 import java.util.Map; 28 29 /** Unit tests for {@link HeapHostMonitor}. */ 30 @RunWith(JUnit4.class) 31 public class HeapHostMonitorTest { 32 33 private HeapHostMonitor mMonitor; 34 private Map<String, String> mArgsLogged = null; 35 36 @Before setUp()37 public void setUp() { 38 mArgsLogged = null; 39 mMonitor = 40 new HeapHostMonitor() { 41 @Override 42 void logEvent(Map<String, String> args) { 43 mArgsLogged = args; 44 } 45 }; 46 } 47 48 /** Test that an event is logged with the memory key in it. */ 49 @Test testDispatchOfHeap()50 public void testDispatchOfHeap() { 51 assertNull(mArgsLogged); 52 mMonitor.dispatch(); 53 assertNotNull(mArgsLogged); 54 assertNotNull(mArgsLogged.get(HeapHostMonitor.HEAP_KEY)); 55 // make sure it's a positive number 56 long mem = Long.parseLong(mArgsLogged.get(HeapHostMonitor.HEAP_KEY)); 57 assertTrue(mem > 0L); 58 } 59 } 60