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/*******************************************************************************
* Copyright (c) 2006, 2007 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.ui.tests.commands;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.Command;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.common.NotDefinedException;
import org.eclipse.ui.commands.ICommandService;
import org.eclipse.ui.handlers.IHandlerService;
import org.eclipse.ui.tests.harness.util.UITestCase;
/**
* Tests the new help context identifier support on commands and handlers.
*
* @since 3.2
*/
public final class HelpContextIdTest extends UITestCase {
private static final String COMMAND_HELP_ID = "org.eclipse.ui.tests.commandHelp";
private static final String COMMAND_ID = "org.eclipse.ui.tests.helpContextId";
private static final String HANDLER_HELP_ID = "org.eclipse.ui.tests.handlerHelp";
private static final String NEW_HELP_ID = "new_help_id";
/**
* Constructs a new instance of <code>HelpContextIdTest</code>
*
* @param testName
* The name of the test; may be <code>null</code>.
*/
public HelpContextIdTest(final String testName) {
super(testName);
}
/**
* Tests the reading of the help context identifier of the registry, as well
* as programmatic changes. It does not test whether there is notification.
*
* @throws NotDefinedException
* If the command defined in the registry is somehow not
* defined.
*/
public final void testHelpContextId() throws NotDefinedException {
final ICommandService commandService = (ICommandService) fWorkbench
.getService(ICommandService.class);
final IHandlerService handlerService = (IHandlerService) fWorkbench
.getService(IHandlerService.class);
String helpContextId = null;
// At first, the help context id should be the handler.
helpContextId = commandService.getHelpContextId(COMMAND_ID);
assertEquals(
"The initial help context id should be that of the handler",
HANDLER_HELP_ID, helpContextId);
// Retract the handler help context id by creating a handler conflict.
handlerService.activateHandler(COMMAND_ID, new AbstractHandler() {
public final Object execute(final ExecutionEvent event) {
return null;
}
});
helpContextId = commandService.getHelpContextId(COMMAND_ID);
assertEquals("The help context id should now be that of the command",
COMMAND_HELP_ID, helpContextId);
// Now undefine the command and check that an exception is thrown.
final Command command = commandService.getCommand(COMMAND_ID);
command.undefine();
try {
helpContextId = commandService.getHelpContextId(COMMAND_ID);
fail("A NotDefinedException should have been thrown");
} catch (final NotDefinedException e) {
// success
}
// Now define the command with a different help context id.
command.define("New Name", null, commandService.getCategory(null),
null, null, NEW_HELP_ID);
helpContextId = commandService.getHelpContextId(COMMAND_ID);
assertEquals("The help context id should now be the new id",
NEW_HELP_ID, helpContextId);
}
}
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