ExtensibleModelResolverTestCase.java

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* to you under the Apache License, Version 2.0 (the
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* 
*   http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.tuscany.sca.contribution.resolver;

import static org.junit.Assert.assertTrue;

import org.apache.tuscany.sca.contribution.Artifact;
import org.apache.tuscany.sca.contribution.ContributionFactory;
import org.apache.tuscany.sca.contribution.DefaultContributionFactory;
import org.apache.tuscany.sca.contribution.processor.ProcessorContext;
import org.apache.tuscany.sca.core.DefaultExtensionPointRegistry;
import org.apache.tuscany.sca.core.DefaultFactoryExtensionPoint;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.core.FactoryExtensionPoint;
import org.junit.Before;
import org.junit.Test;

/**
 * Test DefaultArtifactResolver.
 *
 * @version $Rev$ $Date$
 */
public class ExtensibleModelResolverTestCase {
    private ExtensibleModelResolver resolver;

    private ContributionFactory factory;
    private ProcessorContext context;

    @Before
    public void setUp() throws Exception {
        ExtensionPointRegistry registry = new DefaultExtensionPointRegistry();
        ModelResolverExtensionPoint resolvers = new DefaultModelResolverExtensionPoint(registry);
        resolvers.addResolver(Model.class, TestModelResolver.class);
        context = new ProcessorContext();
        FactoryExtensionPoint factories = new DefaultFactoryExtensionPoint(registry);

        resolver = new ExtensibleModelResolver(null, resolvers, factories);

        factory = new DefaultContributionFactory();
    }

    @Test
    public void testResolvedDefault() {
        OtherModel a = new OtherModel("a");
        resolver.addModel(a, context);
        OtherModel x = new OtherModel("a");
        x = resolver.resolveModel(OtherModel.class, x, context);
        assertTrue(x == a);
    }

    @Test
    public void testResolvedRegisteredClass() {
        Model a = new Model("a");
        resolver.addModel(a, context);
        Model x = new Model("a");
        x = resolver.resolveModel(Model.class, x, context);
        assertTrue(x == a);
    }

    @Test
    public void testUnresolvedDefault() {
        OtherModel x = new OtherModel("a");
        OtherModel y = resolver.resolveModel(OtherModel.class, x, context);
        assertTrue(x == y);
    }

    @Test
    public void testUnresolved() {
        Model x = new Model("a");
        Model y = resolver.resolveModel(Model.class, x, context);
        assertTrue(x == y);
    }

    @Test
    public void testResolvedArtifact() {
        Artifact artifact = factory.createArtifact();
        artifact.setURI("foo/bar");
        resolver.addModel(artifact, context);
        Artifact x = factory.createArtifact();
        x.setURI("foo/bar");
        x = resolver.resolveModel(Artifact.class, x, context);
        assertTrue(x == artifact);
    }

    private class Model {
        private String name;

        Model(String name) {
            this.name = name;
        }

        @Override
        public int hashCode() {
            return name.hashCode();
        }

        @Override
        public boolean equals(Object obj) {
            return name.equals(((Model)obj).name);
        }
    }

    private class OtherModel {
        private String name;

        OtherModel(String name) {
            this.name = name;
        }

        @Override
        public int hashCode() {
            return name.hashCode();
        }

        @Override
        public boolean equals(Object obj) {
            return name.equals(((OtherModel)obj).name);
        }
    }
}