Sho SHIMIZU
Committed by Ray Milkey

Add unit tests for WithdrawCoordinating phase

Change-Id: I13d44f71f0d9f3007da11924c5cebb9c5398bfe7
/*
* Copyright 2015 Open Networking Laboratory
*
* 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 org.onosproject.net.intent.impl.phase;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.onosproject.TestApplicationId;
import org.onosproject.core.ApplicationId;
import org.onosproject.core.IdGenerator;
import org.onosproject.net.ConnectPoint;
import org.onosproject.net.DefaultLink;
import org.onosproject.net.DefaultPath;
import org.onosproject.net.Link;
import org.onosproject.net.Path;
import org.onosproject.net.flow.DefaultTrafficSelector;
import org.onosproject.net.flow.DefaultTrafficTreatment;
import org.onosproject.net.flow.FlowRuleOperations;
import org.onosproject.net.flow.TrafficSelector;
import org.onosproject.net.flow.TrafficTreatment;
import org.onosproject.net.intent.Intent;
import org.onosproject.net.intent.IntentData;
import org.onosproject.net.intent.MockIdGenerator;
import org.onosproject.net.intent.PathIntent;
import org.onosproject.net.intent.PointToPointIntent;
import org.onosproject.net.intent.impl.IntentProcessor;
import org.onosproject.net.intent.impl.IntentRemovalException;
import org.onosproject.net.provider.ProviderId;
import org.onosproject.store.Timestamp;
import java.util.Arrays;
import java.util.List;
import java.util.Optional;
import static org.easymock.EasyMock.createMock;
import static org.easymock.EasyMock.expect;
import static org.easymock.EasyMock.replay;
import static org.easymock.EasyMock.verify;
import static org.hamcrest.Matchers.instanceOf;
import static org.hamcrest.Matchers.is;
import static org.junit.Assert.assertThat;
import static org.onosproject.net.DeviceId.deviceId;
import static org.onosproject.net.Link.Type.DIRECT;
import static org.onosproject.net.PortNumber.portNumber;
import static org.onosproject.net.intent.IntentState.INSTALLED;
import static org.onosproject.net.intent.IntentState.WITHDRAW_REQ;
/**
* Unit tests for WithdrawCoordinating phase.
*/
public class WithdrawCoordinatingTest {
private final ApplicationId appId = new TestApplicationId("test");
private final ProviderId pid = new ProviderId("of", "test");
private final TrafficSelector selector = DefaultTrafficSelector.builder().build();
private final TrafficTreatment treatment = DefaultTrafficTreatment.builder().build();
private final ConnectPoint cp1 = new ConnectPoint(deviceId("1"), portNumber(1));
private final ConnectPoint cp2 = new ConnectPoint(deviceId("1"), portNumber(2));
private final ConnectPoint cp3 = new ConnectPoint(deviceId("2"), portNumber(1));
private final ConnectPoint cp4 = new ConnectPoint(deviceId("2"), portNumber(2));
private final List<Link> links = Arrays.asList(new DefaultLink(pid, cp2, cp4, DIRECT));
private final Path path = new DefaultPath(pid, links, 10);
private PointToPointIntent input;
private PathIntent compiled;
private IdGenerator idGenerator;
private IntentProcessor processor;
private Timestamp version;
@Before
public void setUp() {
processor = createMock(IntentProcessor.class);
version = createMock(Timestamp.class);
idGenerator = new MockIdGenerator();
Intent.bindIdGenerator(idGenerator);
// Intent creation should be placed after binding an ID generator
input = new PointToPointIntent(appId, selector, treatment, cp1, cp3);
compiled = new PathIntent(appId, selector, treatment, path);
}
@After
public void tearDown() {
Intent.unbindIdGenerator(idGenerator);
}
/**
* Tests a next phase when no exception occurs.
*/
@Test
public void testMoveToNextPhaseWithoutError() {
IntentData pending = new IntentData(input, WITHDRAW_REQ, version);
IntentData current = new IntentData(input, INSTALLED, version);
current.setInstallables(Arrays.asList(compiled));
FlowRuleOperations operations = createMock(FlowRuleOperations.class);
expect(processor.uninstallCoordinate(current, pending)).andReturn(operations);
replay(processor);
WithdrawCoordinating sut = new WithdrawCoordinating(processor, pending, current);
Optional<IntentProcessPhase> executed = sut.execute();
verify(processor);
assertThat(executed.get(), is(instanceOf(Withdrawing.class)));
}
/**
* Tests a next phase when IntentRemovalExceptionOccurs.
*/
@Test
public void testWhenIntentRemovalExceptionOccurs() {
IntentData pending = new IntentData(input, WITHDRAW_REQ, version);
IntentData current = new IntentData(input, INSTALLED, version);
current.setInstallables(Arrays.asList(compiled));
expect(processor.uninstallCoordinate(current, pending)).andThrow(new IntentRemovalException());
replay(processor);
WithdrawCoordinating sut = new WithdrawCoordinating(processor, pending, current);
Optional<IntentProcessPhase> executed = sut.execute();
verify(processor);
assertThat(executed.get(), is(instanceOf(WithdrawingFailed.class)));
}
}