CAY_191IT.java

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package org.apache.cayenne.unit.jira;

import org.apache.cayenne.Cayenne;
import org.apache.cayenne.access.DataContext;
import org.apache.cayenne.di.Inject;
import org.apache.cayenne.test.jdbc.DBHelper;
import org.apache.cayenne.test.jdbc.TableHelper;
import org.apache.cayenne.testdo.relationships.FkOfDifferentType;
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.Before;
import org.junit.Test;

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

@UseServerRuntime(CayenneProjects.RELATIONSHIPS_PROJECT)
public class CAY_191IT extends ServerCase {
    
    @Inject
    protected DataContext context;
    
    @Inject
    protected DBHelper dbHelper;
    
    protected TableHelper tRelationshipHelper;
    protected TableHelper tFkOfDifferentType;

    @Before
    public void setUp() throws Exception {
        tRelationshipHelper = new TableHelper(dbHelper, "RELATIONSHIP_HELPER");
        tRelationshipHelper.setColumns("NAME", "RELATIONSHIP_HELPER_ID");
        
        tFkOfDifferentType = new TableHelper(dbHelper, "FK_OF_DIFFERENT_TYPE");
        tFkOfDifferentType.setColumns("ID", "RELATIONSHIP_HELPER_FK");
    }
    
    protected void createTestDataSet() throws Exception {
        tRelationshipHelper.insert("RH1", 1);
        tFkOfDifferentType.insert(1, 1);
    }

    @Test
    public void testResolveToOneOverFKOfDifferentNumType() throws Exception {
        // this is mostly for legacy schemas, as on many dbs you won;t be able to even
        // create the FK constraint...

        createTestDataSet();

        FkOfDifferentType root = Cayenne.objectForPK(
                context,
                FkOfDifferentType.class,
                1);

        assertNotNull(root);
        assertNotNull(root.getRelationshipHelper());
        assertEquals("RH1", root.getRelationshipHelper().getName());
    }
}