/**
* This file is part of CloudML [ http://cloudml.org ]
*
* Copyright (C) 2012 - SINTEF ICT
* Contact: Franck Chauvel <franck.chauvel@sintef.no>
*
* Module: root
*
* CloudML is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version.
*
* CloudML is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with CloudML. If not, see
* <http://www.gnu.org/licenses/>.
*/
package test.cloudml.core.actions;
import junit.framework.TestCase;
import org.cloudml.core.*;
import org.cloudml.core.actions.StandardLibrary;
import org.cloudml.core.actions.Uninstall;
import org.cloudml.core.samples.SensApp;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
import static org.cloudml.core.samples.SshClientServer.*;
import static org.hamcrest.Matchers.*;
import static org.hamcrest.MatcherAssert.*;
@RunWith(JUnit4.class)
public class UninstallTest {
@Test
public void uninstallReinstallANewMissingServerForRemainingClientsIfNeeded() {
Deployment model = getOneClientConnectedToOneServer().build();
InternalComponentInstance artefact = model.getComponentInstances().onlyInternals().firstNamed(SERVER_1);
Uninstall command = new Uninstall(new StandardLibrary(), artefact);
command.applyTo(model);
assertThat("Linux instance count", model.getComponentInstances().onlyVMs().ofType(EC2_LARGE_LINUX).size(), is(equalTo(1)));
assertThat("Windows instance count", model.getComponentInstances().onlyVMs().ofType(EC2_XLARGE_WINDOWS_7).size(), is(equalTo(1)));
assertThat("Client instance count", model.getComponentInstances().onlyInternals().ofType(SSH_CLIENT).size(), is(equalTo(1)));
assertThat("Server instance count", model.getComponentInstances().onlyInternals().ofType(SSH_SERVER).size(), is(equalTo(1)));
assertThat("SSH connection count", model.getRelationshipInstances().ofType(SSH_CONNECTION).size(), is(equalTo(1)));
assertThat("ExecuteOn count", model.getExecuteInstances().size(), is(equalTo(2)));
}
@Test
public void uninstallDoesNotReinstallMissingServerForRemainingClientsWhenAlternativeExist() {
Deployment model = getTwoClientsConnectedToTwoServers().build();
InternalComponentInstance artefact = model.getComponentInstances().onlyInternals().firstNamed(SERVER_1);
Uninstall command = new Uninstall(new StandardLibrary(), artefact);
command.applyTo(model);
assertThat("Linux instance count", model.getComponentInstances().onlyVMs().ofType(EC2_LARGE_LINUX).size(), is(equalTo(2)));
assertThat("Windows instance count", model.getComponentInstances().onlyVMs().ofType(EC2_XLARGE_WINDOWS_7).size(), is(equalTo(2)));
assertThat("Client instance count", model.getComponentInstances().onlyInternals().ofType(SSH_CLIENT).size(), is(equalTo(2)));
assertThat("Server instance count", model.getComponentInstances().onlyInternals().ofType(SSH_SERVER).size(), is(equalTo(1)));
assertThat("SSH connection count", model.getRelationshipInstances().ofType(SSH_CONNECTION).size(), is(equalTo(2)));
assertThat("ExecuteOn count", model.getExecuteInstances().size(), is(equalTo(3)));
}
@Test
public void uninstallingAHostShouldTriggerAMigration() {
final Deployment model = SensApp.completeSensApp().build();
assertThat("ExecuteOn count", model.getExecuteInstances().size(), is(equalTo(5)));
final InternalComponentInstance app = model.getComponentInstances().onlyInternals().firstNamed(SensApp.SENSAPP_1);
final InternalComponentInstance expectedHost = model.getComponentInstances().onlyInternals().firstNamed(SensApp.JETTY_2);
final InternalComponentInstance host = model.getComponentInstances().onlyInternals().firstNamed(SensApp.JETTY_1);
final Uninstall command = new Uninstall(new StandardLibrary(), host);
command.applyTo(model);
assertThat("ExecuteOn count", model.getExecuteInstances().size(), is(equalTo(4)));
assertThat("properly migrated", expectedHost.isHosting(app));
}
}