core/runtime/src/test/java/org/apache/polygene/constraints/PropertyConstraintTest.java

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 *  to you under the Apache License, Version 2.0 (the
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package org.apache.polygene.constraints;

import java.util.Collection;
import org.apache.polygene.api.composite.TransientBuilder;
import org.apache.polygene.api.composite.TransientComposite;
import org.apache.polygene.api.constraint.ValueConstraintViolation;
import org.apache.polygene.api.constraint.ConstraintViolationException;
import org.apache.polygene.api.constraint.Constraints;
import org.apache.polygene.api.property.Property;
import org.apache.polygene.bootstrap.AssemblyException;
import org.apache.polygene.bootstrap.ModuleAssembly;
import org.apache.polygene.library.constraints.MinLengthConstraint;
import org.apache.polygene.library.constraints.annotation.Matches;
import org.apache.polygene.library.constraints.annotation.MinLength;
import org.apache.polygene.test.AbstractPolygeneTest;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;

public class PropertyConstraintTest
    extends AbstractPolygeneTest
{
    @org.junit.Test
    public void givenConstraintOnPropertyWhenInvalidValueThenThrowException()
        throws Throwable
    {
        TransientBuilder<Test> builder = transientBuilderFactory.newTransientBuilder( Test.class );
        builder.prototype().test().set( "XXXXXX" );
        Test test = builder.newInstance();
        try
        {
            test.test().set( "YY" );
            fail( "Should have thrown a ConstraintViolationException." );
        }
        catch( ConstraintViolationException e )
        {
            Collection<ValueConstraintViolation> violations = e.constraintViolations();
            assertEquals( 2, violations.size() );
        }
    }

    public void assemble( ModuleAssembly module )
        throws AssemblyException
    {
        module.transients( TestComposite.class );
    }

    @Constraints( { MinLengthConstraint.class } )
    public interface TestComposite
        extends Test, TransientComposite
    {
    }

    public interface Test
    {
        @MinLength( 3 )
        @Matches( "X*" )
        Property<String> test();
    }
}