/* * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.jdbi.v3.sqlobject; import org.jdbi.v3.core.rule.H2DatabaseRule; import org.jdbi.v3.core.mapper.SomethingMapper; import org.jdbi.v3.sqlobject.config.RegisterRowMapper; import org.jdbi.v3.sqlobject.customizer.Bind; import org.jdbi.v3.sqlobject.statement.SqlQuery; import org.jdbi.v3.sqlobject.statement.SqlUpdate; import org.junit.Before; import org.junit.Rule; import org.junit.Test; import java.util.List; import java.util.Optional; import static org.assertj.core.api.Assertions.assertThat; public class TestOptional { @Rule public H2DatabaseRule dbRule = new H2DatabaseRule().withPlugin(new SqlObjectPlugin()); private DAO dao; @Before public void setUp() throws Exception { dao = dbRule.getSharedHandle().attach(DAO.class); dao.insert(1, "brian"); dao.insert(2, "eric"); } @Test public void testOptionalParameterPresent() { assertThat(dao.findIds(Optional.of("brian"))).containsExactly(1); } @Test public void testOptionalPresentAbsent() { assertThat(dao.findIds(Optional.empty())).containsExactly(1, 2); } @Test public void testOptionalReturnPresent() { assertThat(dao.findNameById(1)).contains("brian"); } @Test public void testOptionalReturnAbsent() { assertThat(dao.findNameById(3)).isEmpty(); } @Test public void testNullReturnsAbsent() { dao.insert(3, null); assertThat(dao.findNameById(3)).isEmpty(); } @Test(expected = IllegalStateException.class) public void testOptionalReturnMultiple() { dao.findMultiple(); } @RegisterRowMapper(SomethingMapper.class) public interface DAO { @SqlUpdate("insert into something (id, name) values (:id, :name)") void insert(@Bind("id") long id, @Bind("name") String name); @SqlQuery("select id from something where :name is null or name = :name order by id") List<Integer> findIds(@Bind("name") Optional<String> name); @SqlQuery("select name from something where id = :id") Optional<String> findNameById(@Bind long id); @SqlQuery("select name from something") Optional<String> findMultiple(); } }