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 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
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package org.apache.cayenne.access;

import org.apache.cayenne.BaseContext;
import org.apache.cayenne.ObjectContext;
import org.apache.cayenne.configuration.server.ServerRuntime;
import org.apache.cayenne.di.Inject;
import org.apache.cayenne.query.QueryCacheStrategy;
import org.apache.cayenne.query.SelectQuery;
import org.apache.cayenne.testdo.testmap.Artist;
import org.apache.cayenne.unit.di.server.CayenneProjects;
import org.apache.cayenne.unit.di.server.ServerCase;
import org.apache.cayenne.unit.di.server.UseServerRuntime;
import org.junit.Test;

import java.util.List;

import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertSame;

@UseServerRuntime(CayenneProjects.TESTMAP_PROJECT)
public class NestedDataContextLocalCacheIT extends ServerCase {

    @Inject
    protected ServerRuntime runtime;
    
    @Inject
    private DataContext context;

    @Test
    public void testLocalCacheStaysLocal() {

        SelectQuery query = new SelectQuery(Artist.class);
        query.setCacheStrategy(QueryCacheStrategy.LOCAL_CACHE);

        ObjectContext child1 = runtime.newContext(context);

        assertNull(((BaseContext) child1).getQueryCache().get(
                query.getMetaData(child1.getEntityResolver())));

        assertNull(context.getQueryCache().get(
                query.getMetaData(context.getEntityResolver())));

        List<?> results = child1.performQuery(query);
        assertSame(results, ((BaseContext) child1).getQueryCache().get(
                query.getMetaData(child1.getEntityResolver())));

        assertNull(context.getQueryCache().get(
                query.getMetaData(context.getEntityResolver())));
    }
}