/* * 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 static org.assertj.core.api.Assertions.assertThat; import static org.jdbi.v3.sqlobject.customizer.BindList.EmptyHandling.NULL; import static org.jdbi.v3.sqlobject.customizer.BindList.EmptyHandling.VOID; import java.util.ArrayList; import java.util.List; import org.jdbi.v3.core.statement.Binding; import org.jdbi.v3.core.rule.H2DatabaseRule; import org.jdbi.v3.core.Handle; import org.jdbi.v3.core.Jdbi; import org.jdbi.v3.core.Something; import org.jdbi.v3.core.statement.StatementContext; import org.jdbi.v3.core.mapper.SomethingMapper; import org.jdbi.v3.core.rewriter.ColonPrefixStatementRewriter; import org.jdbi.v3.core.rewriter.RewrittenStatement; import org.jdbi.v3.sqlobject.customizer.BindList; import org.jdbi.v3.sqlobject.statement.SqlQuery; import org.jdbi.v3.stringtemplate4.UseStringTemplateStatementRewriter; import org.junit.AfterClass; import org.junit.BeforeClass; import org.junit.ClassRule; import org.junit.Test; public class BindListNullTest { private static final String SPY = "__test_spy"; private static Handle handle; @ClassRule public static final H2DatabaseRule dbRule = new H2DatabaseRule(); @BeforeClass public static void init() { final Jdbi db = dbRule.getJdbi(); db.registerRowMapper(new SomethingMapper()); db.installPlugin(new SqlObjectPlugin()); handle = db.open(); handle.execute("insert into something(id, name) values(1, null)"); handle.execute("insert into something(id, name) values(2, null)"); handle.execute("insert into something(id, name) values(3, null)"); handle.execute("insert into something(id, name) values(4, null)"); handle.execute("insert into something(id, name) values(5, 'bla')"); handle.execute("insert into something(id, name) values(6, 'null')"); handle.execute("insert into something(id, name) values(7, '')"); } @AfterClass public static void exit() { handle.close(); } @Test public void testSomethingByIterableHandleNullWithNull() { final SomethingByIterableHandleNull s = handle.attach(SomethingByIterableHandleNull.class); final List<Something> out = s.get(null); assertThat(out).isEmpty(); } @Test public void testSomethingByIterableHandleNullWithEmptyList() { final SomethingByIterableHandleNull s = handle.attach(SomethingByIterableHandleNull.class); final List<Something> out = s.get(new ArrayList<Object>()); assertThat(out).isEmpty(); } public interface SomethingByIterableHandleNull { @SqlQuery("select id, name from something where name in (<names>)") List<Something> get(@BindList(onEmpty = NULL) Iterable<Object> names); } // @Test public void testSomethingByIterableHandleVoidWithNull() { final List<String> log = new ArrayList<>(); handle.define(SPY, log); final SomethingByIterableHandleVoid s = handle.attach(SomethingByIterableHandleVoid.class); final List<Something> out = s.get(null); assertThat(out).isEmpty(); assertThat(log).hasSize(1).allMatch(e -> e.contains(" where id in ();")); } @Test public void testSomethingByIterableHandleVoidWithEmptyList() { final List<String> log = new ArrayList<>(); handle.define(SPY, log); final SomethingByIterableHandleVoid s = handle.attach(SomethingByIterableHandleVoid.class); final List<Something> out = s.get(new ArrayList<Object>()); assertThat(out).isEmpty(); assertThat(log).hasSize(1).allMatch(e -> e.contains(" where id in ();")); } @UseStringTemplateStatementRewriter(SpyingRewriter.class) public interface SomethingByIterableHandleVoid { @SqlQuery("select id, name from something where id in (<ids>);") List<Something> get(@BindList(onEmpty = VOID) Iterable<Object> ids); } public static class SpyingRewriter extends ColonPrefixStatementRewriter { @SuppressWarnings("unchecked") @Override public RewrittenStatement rewrite(String sql, Binding params, StatementContext ctx) { ((List<String>)ctx.getAttribute(SPY)).add(sql); return super.rewrite(sql, params, ctx); } } }