cayenne/src/test/java/org/apache/cayenne/query/QueryChainIT.java

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package org.apache.cayenne.query;

import org.apache.cayenne.DataRow;
import org.apache.cayenne.di.Inject;
import org.apache.cayenne.runtime.CayenneRuntime;
import org.apache.cayenne.testdo.testmap.Artist;
import org.apache.cayenne.unit.di.runtime.CayenneProjects;
import org.apache.cayenne.unit.di.runtime.RuntimeCase;
import org.apache.cayenne.unit.di.runtime.UseCayenneRuntime;
import org.junit.Test;

import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;

@UseCayenneRuntime(CayenneProjects.TESTMAP_PROJECT)
public class QueryChainIT extends RuntimeCase {

    @Inject
    private CayenneRuntime runtime;

    @Test
    public void testSelectQuery() {

        QueryChain chain = new QueryChain();
        chain.addQuery(ObjectSelect.query(Artist.class));
        chain.addQuery(ObjectSelect.query(Artist.class));

        QueryMetadata md = chain.getMetaData(runtime.getDataDomain().getEntityResolver());

        assertNotNull(md);
        assertTrue(md.isFetchingDataRows());
        assertNull(md.getObjEntity());
    }

    @Test
    public void testSelectQueryDataRows() {

        QueryChain chain = new QueryChain();
        ObjectSelect<DataRow> q1 = ObjectSelect.dataRowQuery(Artist.class);
        chain.addQuery(q1);

        ObjectSelect<DataRow> q2 = ObjectSelect.dataRowQuery(Artist.class);
        chain.addQuery(q2);

        QueryMetadata md = chain.getMetaData(runtime.getDataDomain().getEntityResolver());

        assertNotNull(md);
        assertTrue(md.isFetchingDataRows());
        assertNull(md.getObjEntity());
    }
}