EnumIT.java example

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package org.apache.cayenne.access;

import org.apache.cayenne.Cayenne;
import org.apache.cayenne.ObjectContext;
import org.apache.cayenne.di.Inject;
import org.apache.cayenne.query.CapsStrategy;
import org.apache.cayenne.query.SQLTemplate;
import org.apache.cayenne.query.SelectQuery;
import org.apache.cayenne.test.jdbc.DBHelper;
import org.apache.cayenne.test.jdbc.TableHelper;
import org.apache.cayenne.testdo.enum_test.Enum1;
import org.apache.cayenne.testdo.enum_test.EnumEntity;
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 static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertSame;

@UseServerRuntime(CayenneProjects.ENUM_PROJECT)
public class EnumIT extends ServerCase {

    @Inject
    private ObjectContext context;

    @Inject
    private DBHelper dbHelper;

    private void createDataSet() throws Exception {
        TableHelper tEnumEntity = new TableHelper(dbHelper, "ENUM_ENTITY");
        tEnumEntity.setColumns("ID", "ENUM_ATTRIBUTE");

        tEnumEntity.insert(1, "two");
        tEnumEntity.insert(2, "one");
    }

    @Test
    public void testInsert() {
        EnumEntity e = context.newObject(EnumEntity.class);
        e.setEnumAttribute(Enum1.one);
        context.commitChanges();
    }

    @Test
    public void testSelectQuery() throws Exception {
        createDataSet();

        SelectQuery q = new SelectQuery(EnumEntity.class);
        q.andQualifier(EnumEntity.ENUM_ATTRIBUTE.eq(Enum1.one));

        EnumEntity e = (EnumEntity) Cayenne.objectForQuery(context, q);
        assertNotNull(e);
        assertSame(Enum1.one, e.getEnumAttribute());
    }

    @Test
    public void testSQLTemplate() throws Exception {
        createDataSet();

        SQLTemplate q = new SQLTemplate(
                EnumEntity.class,
                "SELECT * FROM ENUM_ENTITY WHERE ENUM_ATTRIBUTE = 'one'");
        q.setColumnNamesCapitalization(CapsStrategy.UPPER);

        EnumEntity e = (EnumEntity) Cayenne.objectForQuery(context, q);
        assertNotNull(e);
        assertSame(Enum1.one, e.getEnumAttribute());
    }
}