core/runtime/src/test/java/org/apache/polygene/runtime/injection/IllegalUnitOfWorkInjectionTest.java

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 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
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 *       http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.polygene.runtime.injection;

import org.apache.polygene.test.AbstractPolygeneTest;
import org.junit.Test;
import org.apache.polygene.api.composite.TransientComposite;
import org.apache.polygene.api.injection.scope.State;
import org.apache.polygene.api.mixin.Mixins;
import org.apache.polygene.api.unitofwork.UnitOfWork;
import org.apache.polygene.bootstrap.AssemblyException;
import org.apache.polygene.bootstrap.ModuleAssembly;
import org.apache.polygene.test.EntityTestAssembler;

import static org.junit.Assert.fail;

public class IllegalUnitOfWorkInjectionTest
    extends AbstractPolygeneTest
{
    private boolean failed = false;

    public void assemble( ModuleAssembly module )
        throws AssemblyException
    {
        module.transients( TrialTransient.class );
        new EntityTestAssembler().assemble( module );
    }

    @Override
    protected void assemblyException( AssemblyException exception )
        throws AssemblyException
    {
        failed = true;
    }

    @Test
    public void givenTransientCompositeWhenInjectingUnitOfWorkThenExpectAnInjectionException()
        throws Exception
    {
        if( !failed )
        {
            fail( "Transients should not be allowed to have @State UnitOfWork injections." );
        }
    }

    interface Trial
    {
        void doSomething();

        String usecaseName();
    }

    @Mixins( TrialMixin.class )
    interface TrialTransient
        extends Trial, TransientComposite
    {
    }

    public static class TrialMixin
        implements Trial
    {
        @State
        private UnitOfWork uow;

        private String uowIdentity;

        public void doSomething()
        {
            uowIdentity = uow.usecase().name();
        }

        public String usecaseName()
        {
            return uowIdentity;
        }
    }
}