public class CommandPersistenceTest {

	private static final String ID_NEW = "newcommand";
	private static final String ID_OLD = "oldcommand";

	@Test
	public void testAliasesCorrectlyRegistered() {
		CommandManager manager = new CommandManager();
		Command newcommand = manager.getCommand(ID_NEW);

		ICommandService commandService = EasyMock.createNiceMock("commandService", ICommandService.class);
		EasyMock.expect(commandService.getCommand(ID_NEW)).andReturn(newcommand);
		commandService.defineAlias(ID_OLD, ID_NEW);
		IExtensionRegistry extensionRegistry = fakeRegistry(this.getClass(), "plugin-testAliases.xml");
		CommandPersistence commandPersistence = new CommandPersistence(commandService, extensionRegistry);
		EasyMock.replay(commandService);

		commandPersistence.read();

		EasyMock.verify(commandService);
	}

	private IExtensionRegistry fakeRegistry(Class<?> clazz, String filename) {
		IExtensionRegistry extensionRegistry = RegistryFactory.createRegistry(null, this, this);
		RegistryContributor contributor = new RegistryContributor("com.example", "com.example", null, null);
		extensionRegistry.addContribution(clazz.getResourceAsStream(filename), contributor, false, null, null, this);
		return extensionRegistry;
	}

}