TestMigrateVmExtensionPoint.java

package org.zstack.test.compute.vm;

import junit.framework.Assert;
import org.junit.Before;
import org.junit.Test;
import org.zstack.core.cloudbus.CloudBus;
import org.zstack.core.componentloader.ComponentLoader;
import org.zstack.core.db.DatabaseFacade;
import org.zstack.header.allocator.HostCapacityVO;
import org.zstack.header.vm.VmInstanceInventory;
import org.zstack.header.vm.VmInstanceState;
import org.zstack.header.vm.VmInstanceVO;
import org.zstack.test.Api;
import org.zstack.test.ApiSenderException;
import org.zstack.test.DBUtil;
import org.zstack.test.deployer.Deployer;

public class TestMigrateVmExtensionPoint {
    Deployer deployer;
    Api api;
    ComponentLoader loader;
    CloudBus bus;
    DatabaseFacade dbf;
    VmMigrateExtension ext;

    @Before
    public void setUp() throws Exception {
        DBUtil.reDeployDB();
        deployer = new Deployer("deployerXml/vm/TestMigrateVm.xml");
        deployer.addSpringConfig("VmMigrateExtension.xml");
        deployer.build();
        api = deployer.getApi();
        loader = deployer.getComponentLoader();
        bus = loader.getComponent(CloudBus.class);
        dbf = loader.getComponent(DatabaseFacade.class);
        ext = loader.getComponent(VmMigrateExtension.class);
    }

    @Test
    public void test() throws ApiSenderException {
        VmInstanceInventory inv = api.listVmInstances(null).get(0);
        String srcHost = inv.getHostUuid();

        ext.setPreventMigrate(true);
        try {
            api.migrateVmInstance(inv.getUuid(), null);
        } catch (ApiSenderException e) {
        }

        // vm is in Unknown because former migration failure
        // change it Running to continue testing
        VmInstanceVO vo = dbf.findByUuid(inv.getUuid(), VmInstanceVO.class);
        vo.setState(VmInstanceState.Running);
        dbf.update(vo);

        ext.setPreventMigrate(false);
        ext.setExpectedUuid(inv.getUuid());
        inv = api.migrateVmInstance(inv.getUuid(), null);

        Assert.assertTrue(ext.isBeforeCalled());
        Assert.assertTrue(ext.isAfterCalled());
        Assert.assertEquals(VmInstanceState.Running.toString(), inv.getState());
        VmInstanceVO vm = dbf.findByUuid(inv.getUuid(), VmInstanceVO.class);
        Assert.assertNotNull(vm);
        Assert.assertEquals(VmInstanceState.Running, vm.getState());
        HostCapacityVO hvo = dbf.findByUuid(inv.getHostUuid(), HostCapacityVO.class);
        Assert.assertTrue(hvo.getUsedCpu() != 0);
        Assert.assertTrue(hvo.getUsedMemory() != 0);
        Assert.assertTrue(!inv.getHostUuid().equals(srcHost));
        hvo = dbf.findByUuid(srcHost, HostCapacityVO.class);
        Assert.assertEquals(0, hvo.getUsedCpu());
        Assert.assertEquals(0, hvo.getUsedMemory());
    }
}