core/runtime/src/test/java/org/apache/zest/runtime/instantiation/ValueInstantiationTests.java

/*
 * Copyright 2009 Niclas Hedhman.
 *
 * 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.zest.runtime.instantiation;

import org.junit.Assert;
import org.junit.Test;
import org.apache.zest.api.mixin.Mixins;
import org.apache.zest.api.util.NullArgumentException;
import org.apache.zest.api.value.ValueBuilder;
import org.apache.zest.api.value.ValueComposite;
import org.apache.zest.bootstrap.AssemblyException;
import org.apache.zest.bootstrap.ModuleAssembly;
import org.apache.zest.test.AbstractQi4jTest;

import static org.junit.Assert.fail;

public class ValueInstantiationTests
    extends AbstractQi4jTest
{

    public void assemble( ModuleAssembly module )
        throws AssemblyException
    {
        module.values( MyValue.class );
    }

    @Test
    public void whenTryingToCreateValueFromNullTypeThenExpectNullArgumentException()
        throws Exception
    {
        // valueBuilderFactory.newValueBuilder()
        try
        {
            module.newValueBuilder( null );
            fail( "NullArgumentException was expected." );
        }
        catch( NullArgumentException e )
        {
            // expected
        }

        // valueBuilderFactory.newValue();
        try
        {
            module.newValue( null );
            fail( "NullArgumentException was expected." );
        }
        catch( NullArgumentException e )
        {
            // expected
        }

        //module.newValueFromSerializedState();
        try
        {
            module.newValueFromSerializedState( null, "abc:123" );
            ValueBuilder<My> builder = module.newValueBuilder( null );
            fail( "NullArgumentException was expected." );
        }
        catch( NullArgumentException e )
        {
            // expected
        }
    }

    @Test
    public void whenCreatingServiceCompositeGivenAServiceCompositeThenSucceed()
        throws Exception
    {
        ValueBuilder<My> builder = module.newValueBuilder( My.class );
        My my = builder.newInstance();
        Assert.assertEquals( "Niclas", my.doSomething() );
    }

    @Mixins( MyMixin.class )
    public interface MyValue
        extends ValueComposite, My
    {
    }

    public interface My
    {
        String doSomething();
    }

    public static class MyMixin
        implements My
    {

        public String doSomething()
        {
            return "Niclas";
        }
    }
}