/*

 * All Sigmah code is released under the GNU General Public License v3

 * See COPYRIGHT.txt and LICENSE.txt.

 */



package org.sigmah.client.dispatch.remote;



import org.junit.Test;

import org.sigmah.client.mock.NullAsyncCallback;

import org.sigmah.shared.command.GetSchema;



import java.util.Collection;

import java.util.Collections;

import java.util.List;



import static org.hamcrest.CoreMatchers.equalTo;

import static org.hamcrest.core.Is.is;

import static org.junit.Assert.assertThat;

import static org.junit.Assume.assumeThat;

import static org.junit.internal.matchers.IsCollectionContaining.hasItem;



public class CommandRequestTest {



    @Test

    public void equalCommandsShouldBeMerged() {



        assumeThat(new GetSchema(), is(equalTo(new GetSchema())));



        CommandRequest firstCommand = new CommandRequest(new GetSchema(), null,

                new NullAsyncCallback());

        List<CommandRequest> pending = Collections.singletonList(firstCommand);



        CommandRequest secondRequest = new CommandRequest(new GetSchema(), null, new NullAsyncCallback());



        boolean merged = secondRequest.mergeSuccessfulInto(pending);



        assertThat("merged", merged, is(true));

        assertThat(firstCommand.getCallbacks(), hasItem(first(secondRequest.getCallbacks())));



    }



    private <T> T first(Collection<T> items) {

        return items.iterator().next();

    }



}