/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* 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
* "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.waveprotocol.wave.concurrencycontrol.channel;
import static junit.framework.Assert.assertEquals;
import junit.framework.Assert;
import org.waveprotocol.wave.concurrencycontrol.common.CorruptionDetail;
import org.waveprotocol.wave.model.id.WaveletId;
import org.waveprotocol.wave.model.util.CollectionUtils;
import org.waveprotocol.wave.model.wave.data.ObservableWaveletData;
import java.util.Queue;
/**
* The mock lister on the OperationChannelMultiplexer
*
* @author zdwang@google.com (David Wang)
*/
public class MockMuxListener implements OperationChannelMultiplexer.Listener {
private enum MethodCall {
ON_OPERATION_CHANNEL_CREATED,
ON_OPERATION_CHANNEL_REMOVED,
ON_OPEN_FINISHED,
ON_FAILED
}
public class MethodCallContext {
final MockMuxListener.MethodCall method;
final OperationChannel channel;
final ObservableWaveletData snapshot;
final Accessibility accessibility;
public MethodCallContext(MockMuxListener.MethodCall method, OperationChannel channel,
ObservableWaveletData snapshot, Accessibility accessibility) {
this.method = method;
this.channel = channel;
this.snapshot = snapshot;
this.accessibility = accessibility;
}
public MethodCallContext(MockMuxListener.MethodCall method) {
this(method, null, null, null);
}
@Override
public String toString() {
return method.toString();
}
}
Queue<MethodCallContext> methodCalls = CollectionUtils.newLinkedList();
@Override
public void onOperationChannelCreated(OperationChannel channel, ObservableWaveletData snapshot,
Accessibility accessibility) {
methodCalls.add(
new MethodCallContext(MethodCall.ON_OPERATION_CHANNEL_CREATED, channel,
snapshot, accessibility));
}
@Override
public void onOperationChannelRemoved(
OperationChannel channel, WaveletId waveletId) {
methodCalls.add(
new MethodCallContext(MethodCall.ON_OPERATION_CHANNEL_REMOVED, channel, null, null));
}
@Override
public void onOpenFinished() {
methodCalls.add(new MethodCallContext(MethodCall.ON_OPEN_FINISHED));
}
@Override
public void onFailed(CorruptionDetail detail) {
methodCalls.add(new MethodCallContext(MethodCall.ON_FAILED));
}
public void verifyNoMoreInteractions() {
Assert.assertEquals("Unexpected method calls: " + methodCalls, 0, methodCalls.size());
}
public OperationChannel verifyOperationChannelCreated(ObservableWaveletData snapshot,
Accessibility accessibility) {
MethodCallContext context = methodCalls.remove();
assertEquals(MethodCall.ON_OPERATION_CHANNEL_CREATED, context.method);
// TODO(anorth): check the snapshot with equals() once a clock is injected
// into the mux for timestamps.
assertEquals(snapshot.getWaveId(), context.snapshot.getWaveId());
assertEquals(snapshot.getWaveletId(), context.snapshot.getWaveletId());
assertEquals(snapshot.getCreator(), context.snapshot.getCreator());
assertEquals(snapshot.getVersion(), context.snapshot.getVersion());
assertEquals(snapshot.getHashedVersion(), context.snapshot.getHashedVersion());
assertEquals(accessibility, context.accessibility);
return context.channel;
}
public void verifyOperationChannelRemoved(OperationChannel channel) {
MethodCallContext context = methodCalls.remove();
assertEquals(MethodCall.ON_OPERATION_CHANNEL_REMOVED, context.method);
assertEquals(channel, context.channel);
}
public void verifyOpenFinished() {
MethodCallContext context = methodCalls.remove();
assertEquals(MethodCall.ON_OPEN_FINISHED, context.method);
}
public void verifyFailed() {
MethodCallContext context = methodCalls.remove();
assertEquals(MethodCall.ON_FAILED, context.method);
}
}