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// regarding copyright ownership. The ASF licenses this file
// to you 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
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package com.cloud.network.lb;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.internal.util.reflection.Whitebox;
import org.mockito.runners.MockitoJUnitRunner;
import com.cloud.dc.PodVlanMapVO;
import com.cloud.dc.dao.PodVlanMapDao;
import com.cloud.network.dao.IPAddressVO;
import com.cloud.network.lb.dao.ElasticLbVmMapDao;
import com.cloud.vm.DomainRouterVO;
import com.cloud.vm.VirtualMachineManager;
import com.cloud.vm.VirtualMachineProfile.Param;
import com.cloud.vm.dao.DomainRouterDao;
@RunWith(MockitoJUnitRunner.class)
public class LoadBalanceRuleHandlerTest {
@InjectMocks
private LoadBalanceRuleHandler loadBalanceRuleHandler;
@Mock
private VirtualMachineManager virtualMachineManagerMock;
@Mock
private DomainRouterDao domainRouterDaoMock;
@Mock
private ElasticLbVmMapDao elasticLbVmMapDao;
@Mock
private PodVlanMapDao podVlanMapDao;
@Before
public void setup() {
Whitebox.setInternalState(loadBalanceRuleHandler, "_itMgr", virtualMachineManagerMock);
Whitebox.setInternalState(loadBalanceRuleHandler, "_routerDao", domainRouterDaoMock);
Whitebox.setInternalState(loadBalanceRuleHandler, "_elbVmMapDao", elasticLbVmMapDao);
Whitebox.setInternalState(loadBalanceRuleHandler, "_podVlanMapDao", podVlanMapDao);
}
@Test
public void testAddCandidateVmIsPodIpMatchesWhenIdsHaveSameValue() throws Exception {
DomainRouterVO candidateVmMock = mock(DomainRouterVO.class);
when(candidateVmMock.getPodIdToDeployIn()).thenReturn(new Long(1));
Long podIdForDirectIp = new Long(1);
List<DomainRouterVO> candidateVms = new ArrayList<DomainRouterVO>();
LoadBalanceRuleHandler.addCandidateVmIsPodIpMatches(candidateVmMock, podIdForDirectIp, candidateVms);
assertEquals(1, candidateVms.size());
}
@Test
public void testAddCandidateVmIsPodIpMatchesWhenPodIdForDirectIpIsNull() throws Exception {
DomainRouterVO candidateVmMock = mock(DomainRouterVO.class);
when(candidateVmMock.getPodIdToDeployIn()).thenReturn(new Long(1));
Long podIdForDirectIp = null;
List<DomainRouterVO> candidateVms = new ArrayList<DomainRouterVO>();
LoadBalanceRuleHandler.addCandidateVmIsPodIpMatches(candidateVmMock, podIdForDirectIp, candidateVms);
assertEquals(0, candidateVms.size());
}
// PodIdToDeployIn should not be null according to column specification in DomainRouterVO
@Test(expected = NullPointerException.class)
public void testAddCandidateVmIsPodIpMatchesWhenPodIdToDeployInIsNull() throws Exception {
DomainRouterVO candidateVmMock = mock(DomainRouterVO.class);
when(candidateVmMock.getPodIdToDeployIn()).thenReturn(null);
Long podIdForDirectIp = new Long(1);
List<DomainRouterVO> candidateVms = new ArrayList<DomainRouterVO>();
LoadBalanceRuleHandler.addCandidateVmIsPodIpMatches(candidateVmMock, podIdForDirectIp, candidateVms);
}
@Test(expected = NullPointerException.class)
public void testAddCandidateVmIsPodIpMatchesWhenCandidateVmsIsNull() throws Exception {
DomainRouterVO candidateVmMock = mock(DomainRouterVO.class);
when(candidateVmMock.getPodIdToDeployIn()).thenReturn(new Long(1));
Long podIdForDirectIp = new Long(1);
List<DomainRouterVO> candidateVms = null;
LoadBalanceRuleHandler.addCandidateVmIsPodIpMatches(candidateVmMock, podIdForDirectIp, candidateVms);
}
@Test(expected = NullPointerException.class)
public void testStartWhenElbVmIsNull() throws Exception {
DomainRouterVO elbVm = null;
Map<Param, Object> params = new HashMap<Param, Object>();
loadBalanceRuleHandler.start(elbVm, params);
}
@Test
public void testStartWhenParamsIsNull() throws Exception {
DomainRouterVO elbVmMock = mock(DomainRouterVO.class);
String uuid = "uuid";
when(elbVmMock.getUuid()).thenReturn(uuid);
long id = 1L;
when(elbVmMock.getId()).thenReturn(id);
Map<Param, Object> params = null;
loadBalanceRuleHandler.start(elbVmMock, params);
verify(virtualMachineManagerMock, times(1)).start(uuid, params);
verify(domainRouterDaoMock, times(1)).findById(id);
}
@Test
public void testStartWhenParamsIsEmpty() throws Exception {
DomainRouterVO elbVmMock = mock(DomainRouterVO.class);
String uuid = "uuid";
when(elbVmMock.getUuid()).thenReturn(uuid);
long id = 1L;
when(elbVmMock.getId()).thenReturn(id);
Map<Param, Object> params = new HashMap<Param, Object>();
loadBalanceRuleHandler.start(elbVmMock, params);
verify(virtualMachineManagerMock, times(1)).start(uuid, params);
verify(domainRouterDaoMock, times(1)).findById(id);
}
@Test
public void testStart() throws Exception {
DomainRouterVO elbVmMock = mock(DomainRouterVO.class);
String uuid = "uuid";
when(elbVmMock.getUuid()).thenReturn(uuid);
long id = 1L;
when(elbVmMock.getId()).thenReturn(id);
Map<Param, Object> params = new HashMap<Param, Object>();
params.put(mock(Param.class), new Object());
loadBalanceRuleHandler.start(elbVmMock, params);
verify(virtualMachineManagerMock, times(1)).start(uuid, params);
verify(domainRouterDaoMock, times(1)).findById(id);
}
@Test
public void testFindElbVmWithCapacityWhenIpAddrIsNull() throws Exception {
IPAddressVO ipAddr = null;
DomainRouterVO actual = loadBalanceRuleHandler.findElbVmWithCapacity(ipAddr);
assertNull(actual);
}
@Test
public void testFindElbVmWithCapacityWhenThereAreNoUnusedElbVms() throws Exception {
IPAddressVO ipAddr = mock(IPAddressVO.class);
when(this.elasticLbVmMapDao.listUnusedElbVms()).thenReturn(new ArrayList<DomainRouterVO>(1));
DomainRouterVO actual = loadBalanceRuleHandler.findElbVmWithCapacity(ipAddr);
assertNull(actual);
}
@Test
public void testFindElbVmWithCapacityWhenThereAreUnusedElbVmsAndOneMatchesThePodId() throws Exception {
Long podId = 1L;
IPAddressVO ipAddrMock = mock(IPAddressVO.class);
when(ipAddrMock.getVlanId()).thenReturn(podId);
PodVlanMapVO podVlanMapVoMock = mock(PodVlanMapVO.class);
when(podVlanMapVoMock.getPodId()).thenReturn(podId);
when(podVlanMapDao.listPodVlanMapsByVlan(podId)).thenReturn(podVlanMapVoMock);
DomainRouterVO unusedElbVmThatMatchesPodId = mock(DomainRouterVO.class);
when(unusedElbVmThatMatchesPodId.getPodIdToDeployIn()).thenReturn(podId);
List<DomainRouterVO> unusedElbVms = Arrays.asList(new DomainRouterVO[] {unusedElbVmThatMatchesPodId, mock(DomainRouterVO.class)});
when(this.elasticLbVmMapDao.listUnusedElbVms()).thenReturn(unusedElbVms);
DomainRouterVO expected = unusedElbVmThatMatchesPodId;
DomainRouterVO actual = loadBalanceRuleHandler.findElbVmWithCapacity(ipAddrMock);
assertNotNull(actual);
assertEquals(expected, actual);
}
}