// Copyright 2006, 2007 The Apache Software Foundation
//
// 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.apache.tapestry.internal.services;
import static org.apache.tapestry.ioc.internal.util.CollectionFactory.newMap;
import java.util.Collections;
import java.util.Map;
import org.apache.tapestry.internal.test.InternalBaseTestCase;
import org.apache.tapestry.ioc.ObjectProvider;
import org.apache.tapestry.ioc.ServiceLocator;
import org.apache.tapestry.services.Alias;
import org.apache.tapestry.services.AliasManager;
import org.testng.annotations.Test;
public class AliasImplTest extends InternalBaseTestCase
{
private Map<String, Object> _emptyMap = Collections.emptyMap();
@Test
public void mode_not_set_when_resolution_requested()
{
AliasManager manager = newAliasManager();
AliasManager overridesManager = newAliasManager();
ServiceLocator locator = newServiceLocator();
replay();
Alias alias = new AliasImpl(manager, overridesManager);
// Do not assume that alias and provider are the same;
// that's an implementation choice.
ObjectProvider provider = alias.getObjectProvider();
try
{
provider.provide("expression", Runnable.class, locator);
unreachable();
}
catch (RuntimeException ex)
{
assertEquals(ex.getMessage(), ServicesMessages.aliasModeNotSet());
}
verify();
}
protected final AliasManager newAliasManager()
{
return newMock(AliasManager.class);
}
@Test
public void resolve_object_within_mode()
{
String property = "myrunnable";
String mode = "papyrus";
AliasManager manager = newAliasManager();
AliasManager overridesManager = newAliasManager();
ServiceLocator locator = newServiceLocator();
Runnable r = newRunnable();
Map<String, Object> configuration = newMap();
configuration.put(property, r);
getAliasesForMode(manager, mode, configuration);
getAliasesForMode(overridesManager, mode, _emptyMap);
replay();
Alias alias = new AliasImpl(manager, overridesManager);
alias.setMode(mode);
// Do not assume that infra and provider are the same;
// that's an implementation choice.
ObjectProvider provider = alias.getObjectProvider();
Runnable actual = provider.provide(property, Runnable.class, locator);
assertSame(actual, r);
verify();
}
@Test
public void overrides_manager_has_precendence()
{
String property = "myrunnable";
String mode = "papyrus";
AliasManager manager = newAliasManager();
AliasManager overridesManager = newAliasManager();
ServiceLocator locator = newServiceLocator();
Runnable masterRunnable = newRunnable();
Runnable overrideRunnable = newRunnable();
Map<String, Object> masterConfiguration = newMap();
masterConfiguration.put(property, masterRunnable);
Map<String, Object> overrideConfiguration = newMap();
overrideConfiguration.put(property, overrideRunnable);
getAliasesForMode(manager, mode, masterConfiguration);
getAliasesForMode(overridesManager, mode, overrideConfiguration);
replay();
Alias alias = new AliasImpl(manager, overridesManager);
alias.setMode(mode);
ObjectProvider provider = alias.getObjectProvider();
Runnable actual = provider.provide(property, Runnable.class, locator);
assertSame(actual, overrideRunnable);
verify();
}
/** Check that the manager is only consulted once. */
@Test
public void configuration_is_cached()
{
String property = "myrunnable";
String mode = "clay";
AliasManager manager = newAliasManager();
AliasManager overridesManager = newAliasManager();
ServiceLocator locator = newServiceLocator();
Runnable r = newRunnable();
Map<String, Object> configuration = newMap();
configuration.put(property, r);
getAliasesForMode(manager, mode, configuration);
getAliasesForMode(overridesManager, mode, _emptyMap);
replay();
Alias alias = new AliasImpl(manager, overridesManager);
alias.setMode(mode);
// Do not assume that infra and provider are the same;
// that's an implementation choice.
ObjectProvider provider = alias.getObjectProvider();
Runnable actual1 = provider.provide(property, Runnable.class, locator);
Runnable actual2 = provider.provide(property, Runnable.class, locator);
assertSame(actual1, r);
assertSame(actual2, r);
verify();
}
@Test
public void expression_not_found_in_configuration()
{
String mode = "clay";
AliasManager manager = newAliasManager();
AliasManager overridesManager = newAliasManager();
ServiceLocator locator = newServiceLocator();
Map<String, Object> configuration = newMap();
configuration.put("fred", this);
configuration.put("barney", this);
configuration.put("wilma", this);
getAliasesForMode(manager, mode, configuration);
getAliasesForMode(overridesManager, mode, _emptyMap);
replay();
Alias alias = new AliasImpl(manager, overridesManager);
alias.setMode(mode);
ObjectProvider provider = alias.getObjectProvider();
try
{
provider.provide("someexpression", Runnable.class, locator);
unreachable();
}
catch (RuntimeException ex)
{
assertEquals(
ex.getMessage(),
"No alias property 'someexpression' has been configured. Configured properties are: barney, fred, wilma.");
}
verify();
}
@Test
public void requested_type_not_compatible_with_object()
{
String property = "myrunnable";
String mode = "papyrus";
AliasManager manager = newAliasManager();
AliasManager overridesManager = newAliasManager();
ServiceLocator locator = newServiceLocator();
Runnable r = newRunnable();
Map<String, Object> configuration = newMap();
configuration.put(property, r);
getAliasesForMode(manager, mode, configuration);
getAliasesForMode(overridesManager, mode, _emptyMap);
replay();
Alias alias = new AliasImpl(manager, overridesManager);
alias.setMode(mode);
// Do not assume that infra and provider are the same;
// that's an implementation choice.
ObjectProvider provider = alias.getObjectProvider();
try
{
provider.provide(property, UpdateListenerHub.class, locator);
unreachable();
}
catch (RuntimeException ex)
{
assertEquals(ex.getMessage(), ServicesMessages.aliasPropertyWrongType(
property,
r,
UpdateListenerHub.class));
}
verify();
}
}