/**
* 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.model.wave.data.impl;
import junit.framework.TestCase;
import org.waveprotocol.wave.model.id.WaveId;
import org.waveprotocol.wave.model.id.WaveletId;
import org.waveprotocol.wave.model.version.HashedVersion;
import org.waveprotocol.wave.model.wave.ParticipantId;
import org.waveprotocol.wave.model.wave.data.ObservableWaveletData;
import org.waveprotocol.wave.model.wave.data.ReadableWaveletData;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
*/
public class WaveViewDataImplTest extends TestCase {
private static final WaveId WAVE_ID = WaveId.of("example.com", "wave");
private static final WaveletId WAVELET_IDS[] = new WaveletId[] {
WaveletId.of("example.com", "wavelet"),
WaveletId.of("example.com", "wavelet1"),
WaveletId.of("example.com", "wavelet2"),
};
private static final long CREATE_TIMESTAMP = 123456789;
private static final ParticipantId CREATOR = new ParticipantId("nobody@example.com");
private static final WaveletDataImpl.Factory EMPTY_DATA_FACTORY =
WaveletDataImpl.Factory.create(StubDocumentFactory.INSTANCE);
public void testEmptyViewHasNoWavelet() throws Exception {
WaveViewDataImpl impl = WaveViewDataImpl.create(WAVE_ID);
for (WaveletId id : WAVELET_IDS) {
assertNull(impl.getWavelet(id));
}
assertEquals(0, getWavelets(impl).size());
}
public void testGetWaveletReturnsAllWavelets() throws Exception {
List<ObservableWaveletData> list = new ArrayList<ObservableWaveletData>();
for (WaveletId id : WAVELET_IDS) {
ObservableWaveletData n =
EMPTY_DATA_FACTORY.create(new EmptyWaveletSnapshot(WAVE_ID, id, CREATOR,
HashedVersion.unsigned(0), CREATE_TIMESTAMP));
list.add(n);
}
WaveViewDataImpl impl = WaveViewDataImpl.create(WAVE_ID, list);
for (ObservableWaveletData data : impl.getWavelets()) {
if (!list.remove(data)) {
fail("Seeded data not available");
}
}
assertEquals(0, list.size());
}
public void testAddedWaveletsAreAccessible() throws Exception {
final Map<WaveletId, ObservableWaveletData> createdWavelet =
new HashMap<WaveletId, ObservableWaveletData>();
WaveViewDataImpl impl = WaveViewDataImpl.create(WAVE_ID);
ObservableWaveletData.Factory<ObservableWaveletData> dataFactory =
new ObservableWaveletData.Factory<ObservableWaveletData>() {
@Override
public ObservableWaveletData create(ReadableWaveletData data) {
ObservableWaveletData n = EMPTY_DATA_FACTORY.create(data);
createdWavelet.put(data.getWaveletId(), n);
return n;
}
};
for (WaveletId id : WAVELET_IDS) {
impl.addWavelet(dataFactory.create(
new EmptyWaveletSnapshot(WAVE_ID, id, CREATOR, HashedVersion.unsigned(0),
CREATE_TIMESTAMP)));
}
// check to see if added wavelet can get get backed.
for (WaveletId id : WAVELET_IDS) {
assertEquals(createdWavelet.get(id), impl.getWavelet(id));
}
// test to make sure remove works correctly.
int numItemsLeft = WAVELET_IDS.length;
for (WaveletId id : WAVELET_IDS) {
assertEquals(numItemsLeft, getWavelets(impl).size());
impl.removeWavelet(id);
assertEquals(--numItemsLeft, getWavelets(impl).size());
}
}
public void testCannotCreateDuplicatedWavelet() throws Exception {
WaveViewDataImpl impl = WaveViewDataImpl.create(WAVE_ID);
ObservableWaveletData.Factory<ObservableWaveletData> dataFactory =
new ObservableWaveletData.Factory<ObservableWaveletData>() {
@Override
public ObservableWaveletData create(ReadableWaveletData data) {
ObservableWaveletData n = EMPTY_DATA_FACTORY.create(data);
return n;
}
};
impl.addWavelet(dataFactory.create(
new EmptyWaveletSnapshot(WAVE_ID, WAVELET_IDS[0], CREATOR, HashedVersion.unsigned(0),
CREATE_TIMESTAMP)));
try {
impl.addWavelet(dataFactory.create(
new EmptyWaveletSnapshot(WAVE_ID, WAVELET_IDS[0], CREATOR, HashedVersion.unsigned(0),
CREATE_TIMESTAMP)));
fail("Exception expected");
} catch (IllegalArgumentException e) {
// expected an exception
}
}
public void testCannotRemoveNonExistentWavelet() throws Exception {
WaveViewDataImpl impl = WaveViewDataImpl.create(WAVE_ID);
try {
impl.removeWavelet(WAVELET_IDS[0]);
fail("Exception expected");
} catch (IllegalArgumentException e) {
// expected an exception
}
}
private Collection<ObservableWaveletData> getWavelets(WaveViewDataImpl view) {
List<ObservableWaveletData> list = new ArrayList<ObservableWaveletData>();
for (ObservableWaveletData w : view.getWavelets()) {
list.add(w);
}
return list;
}
}