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package org.apache.cayenne.query;

import org.apache.cayenne.di.Inject;
import org.apache.cayenne.exp.ExpressionFactory;
import org.apache.cayenne.map.EntityResolver;
import org.apache.cayenne.map.ObjEntity;
import org.apache.cayenne.testdo.inheritance_people.Department;
import org.apache.cayenne.testdo.inheritance_people.Employee;
import org.apache.cayenne.testdo.inheritance_people.Manager;
import org.apache.cayenne.unit.di.server.PeopleProjectCase;
import org.junit.Test;

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

public class FluentSelectPrefetchRouterActionQualifiedEntityIT extends PeopleProjectCase {

    @Inject
    private EntityResolver resolver;

    @Test
    public void testPrefetchEmployee() {
        ObjEntity departmentEntity = resolver.getObjEntity(Department.class);
        ObjectSelect<Employee> query = ObjectSelect.query(Employee.class, Employee.NAME.eq("abc"))
                .prefetch(Employee.TO_DEPARTMENT.disjoint());

        FluentSelectPrefetchRouterAction action = new FluentSelectPrefetchRouterAction();

        MockQueryRouter router = new MockQueryRouter();
        action.route(query, router, resolver);
        assertEquals(1, router.getQueryCount());

        PrefetchSelectQuery prefetch = (PrefetchSelectQuery) router.getQueries().get(0);

        assertEquals(departmentEntity.getName(), prefetch.getEntityName());
        assertEquals(ExpressionFactory.exp("db:employees.NAME = 'abc' and (db:employees.PERSON_TYPE = 'EE' "
                + "or db:employees.PERSON_TYPE = 'EM')"), prefetch.getWhere());
    }

    @Test
    public void testPrefetchManager() {
        ObjEntity departmentEntity = resolver.getObjEntity(Department.class);

        ObjectSelect<Manager> query = ObjectSelect.query(Manager.class, Employee.NAME.eq("abc"))
                .prefetch(Manager.TO_DEPARTMENT.disjoint());

        FluentSelectPrefetchRouterAction action = new FluentSelectPrefetchRouterAction();

        MockQueryRouter router = new MockQueryRouter();
        action.route(query, router, resolver);
        assertEquals(1, router.getQueryCount());

        PrefetchSelectQuery prefetch = (PrefetchSelectQuery) router.getQueries().get(0);
        assertEquals(departmentEntity.getName(), prefetch.getEntityName());
        assertEquals(ExpressionFactory.exp("db:employees.NAME = 'abc' and db:employees.PERSON_TYPE = 'EM'"),
                prefetch.getWhere());
    }
}
