/*
* Copyright 2010 Google Inc.
*
* 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 com.google.web.bindery.requestfactory.gwt.client;
import com.google.web.bindery.event.shared.HandlerRegistration;
import com.google.web.bindery.requestfactory.shared.EntityProxyChange;
import com.google.web.bindery.requestfactory.shared.EntityProxyId;
import com.google.web.bindery.requestfactory.shared.Receiver;
import com.google.web.bindery.requestfactory.shared.Request;
import com.google.web.bindery.requestfactory.shared.SimpleBarProxy;
import com.google.web.bindery.requestfactory.shared.SimpleBarRequest;
import com.google.web.bindery.requestfactory.shared.SimpleFooProxy;
import com.google.web.bindery.requestfactory.shared.SimpleFooRequest;
import com.google.web.bindery.requestfactory.shared.SimpleRequestFactory;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
/**
* Tests for {@link com.google.web.bindery.requestfactory.shared.RequestFactory}
* .
*/
public class FindServiceTest extends RequestFactoryTestBase {
/*
* DO NOT USE finishTest(). Instead, call finishTestAndReset();
*/
private static final int TEST_DELAY = 5000;
@Override
public String getModuleName() {
return "com.google.web.bindery.requestfactory.gwt.RequestFactorySuite";
}
/**
* Tests {@code RequestContext.find()}, which uses the same plumbing as
* {@code RequestFactory.find()}, but can be chained.
*/
public void testChainedFind() {
delayTestFinish(TEST_DELAY);
List<String> ids = Arrays.asList("1L", "999L");
final List<SimpleBarProxy> proxies = new ArrayList<SimpleBarProxy>();
SimpleBarRequest ctx = req.simpleBarRequest();
for (String id : ids) {
ctx.findSimpleBarById(id).to(new Receiver<SimpleBarProxy>() {
@Override
public void onSuccess(SimpleBarProxy response) {
proxies.add(response);
}
});
}
ctx.fire(new Receiver<Void>() {
@Override
public void onSuccess(Void response) {
final List<SimpleBarProxy> reloaded = new ArrayList<SimpleBarProxy>();
SimpleBarRequest ctx = req.simpleBarRequest();
for (SimpleBarProxy proxy : proxies) {
ctx.find(proxy.stableId()).to(new Receiver<SimpleBarProxy>() {
@Override
public void onSuccess(SimpleBarProxy response) {
reloaded.add(response);
}
});
}
ctx.fire(new Receiver<Void>() {
@Override
public void onSuccess(Void response) {
assertEquals(proxies, reloaded);
finishTest();
}
});
}
});
}
public void testFetchDeletedEntity() {
delayTestFinish(TEST_DELAY);
SimpleBarRequest context = req.simpleBarRequest();
SimpleBarProxy willDelete = context.create(SimpleBarProxy.class);
context.persistAndReturnSelf().using(willDelete).fire(new Receiver<SimpleBarProxy>() {
@Override
public void onSuccess(SimpleBarProxy response) {
final EntityProxyId<SimpleBarProxy> id = response.stableId();
// Make the entity behave as though it's been deleted
SimpleBarRequest context = req.simpleBarRequest();
Request<Void> persist = context.persist().using(response);
context.edit(response).setFindFails(true);
persist.fire(new Receiver<Void>() {
@Override
public void onSuccess(Void response) {
// Now try fetching the deleted instance
req.find(id).fire(new Receiver<SimpleBarProxy>() {
@Override
public void onSuccess(SimpleBarProxy response) {
assertNull(response);
finishTestAndReset();
}
});
}
});
}
});
}
public void testFetchEntityWithLongId() {
final boolean relationsAbsent = false;
delayTestFinish(TEST_DELAY);
req.simpleFooRequest().findSimpleFooById(999L).fire(new Receiver<SimpleFooProxy>() {
@Override
public void onSuccess(SimpleFooProxy response) {
checkReturnedProxy(response, relationsAbsent);
final EntityProxyId<SimpleFooProxy> stableId = response.stableId();
req.find(stableId).fire(new Receiver<SimpleFooProxy>() {
@Override
public void onSuccess(SimpleFooProxy returnedProxy) {
assertEquals(stableId, returnedProxy.stableId());
checkReturnedProxy(returnedProxy, relationsAbsent);
finishTestAndReset();
}
});
}
});
}
public void testFetchEntityWithRelation() {
final boolean relationsPresent = true;
delayTestFinish(TEST_DELAY);
req.simpleFooRequest().findSimpleFooById(999L).with("barField").fire(
new Receiver<SimpleFooProxy>() {
@Override
public void onSuccess(SimpleFooProxy response) {
checkReturnedProxy(response, relationsPresent);
final EntityProxyId<SimpleFooProxy> stableId = response.stableId();
req.find(stableId).with("barField").fire(new Receiver<SimpleFooProxy>() {
@Override
public void onSuccess(SimpleFooProxy returnedProxy) {
assertEquals(stableId, returnedProxy.stableId());
checkReturnedProxy(returnedProxy, relationsPresent);
finishTestAndReset();
}
});
}
});
}
public void testFetchEntityWithStringId() {
delayTestFinish(TEST_DELAY);
req.simpleBarRequest().findSimpleBarById("999L").fire(new Receiver<SimpleBarProxy>() {
@Override
public void onSuccess(SimpleBarProxy response) {
final EntityProxyId<SimpleBarProxy> stableId = response.stableId();
req.find(stableId).fire(new Receiver<SimpleBarProxy>() {
@Override
public void onSuccess(SimpleBarProxy returnedProxy) {
assertEquals(stableId, returnedProxy.stableId());
finishTestAndReset();
}
});
}
});
}
public void testFetchsAfterCreateDontUpdate() {
final int[] count = {0};
final HandlerRegistration registration =
EntityProxyChange.registerForProxyType(req.getEventBus(), SimpleFooProxy.class,
new EntityProxyChange.Handler<SimpleFooProxy>() {
public void onProxyChange(EntityProxyChange<SimpleFooProxy> event) {
count[0]++;
}
});
delayTestFinish(TEST_DELAY);
SimpleFooRequest context = req.simpleFooRequest();
SimpleFooProxy proxy = context.create(SimpleFooProxy.class);
context.persistAndReturnSelf().using(proxy).fire(new Receiver<SimpleFooProxy>() {
@Override
public void onSuccess(SimpleFooProxy response) {
// Persist and Update events
assertEquals(2, count[0]);
req.find(response.stableId()).fire(new Receiver<SimpleFooProxy>() {
@Override
public void onSuccess(SimpleFooProxy response) {
// No new events
assertEquals(2, count[0]);
registration.removeHandler();
finishTestAndReset();
}
});
}
});
}
/**
* Demonstrates behavior when fetching an unpersisted id. The setup is
* analagous to saving a future id into a cookie and then trying to fetch it
* later.
*/
public void testFetchUnpersistedFutureId() {
String historyToken;
// Here's the factory from the "previous invocation" of the client
{
SimpleRequestFactory oldFactory = createFactory();
EntityProxyId<SimpleBarProxy> id =
oldFactory.simpleBarRequest().create(SimpleBarProxy.class).stableId();
historyToken = oldFactory.getHistoryToken(id);
}
EntityProxyId<SimpleBarProxy> id = req.getProxyId(historyToken);
assertNotNull(id);
try {
req.find(id);
fail();
} catch (IllegalArgumentException expected) {
}
}
/**
* A second fetch for an unchanged object should not result in any update
* event.
*/
public void testMultipleFetchesDontUpdate() {
final int[] count = {0};
final HandlerRegistration registration =
EntityProxyChange.registerForProxyType(req.getEventBus(), SimpleFooProxy.class,
new EntityProxyChange.Handler<SimpleFooProxy>() {
public void onProxyChange(EntityProxyChange<SimpleFooProxy> event) {
count[0]++;
}
});
delayTestFinish(TEST_DELAY);
req.simpleFooRequest().findSimpleFooById(999L).fire(new Receiver<SimpleFooProxy>() {
@Override
public void onSuccess(SimpleFooProxy response) {
assertEquals(1, count[0]);
final EntityProxyId<SimpleFooProxy> stableId = response.stableId();
req.find(stableId).fire(new Receiver<SimpleFooProxy>() {
@Override
public void onSuccess(SimpleFooProxy returnedProxy) {
assertEquals(1, count[0]);
registration.removeHandler();
finishTestAndReset();
}
});
}
});
}
private void checkReturnedProxy(SimpleFooProxy response, boolean checkForRelations) {
assertEquals(42, (int) response.getIntId());
assertEquals("GWT", response.getUserName());
assertEquals(8L, (long) response.getLongField());
assertEquals(com.google.web.bindery.requestfactory.shared.SimpleEnum.FOO, response
.getEnumField());
if (checkForRelations) {
assertNotNull(response.getBarField());
} else {
assertEquals(null, response.getBarField());
}
}
}