Java tutorial
/** * Copyright 2010-2017 the original author or authors. * * 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.mybatis.spring.batch; import java.util.Arrays; import java.util.Collections; import java.util.List; import org.apache.ibatis.cursor.Cursor; import org.apache.ibatis.session.ExecutorType; import org.apache.ibatis.session.SqlSession; import org.apache.ibatis.session.SqlSessionFactory; import org.assertj.core.api.Assertions; import org.junit.jupiter.api.BeforeEach; import org.junit.jupiter.api.Test; import org.mockito.Mock; import org.mockito.Mockito; import org.mockito.MockitoAnnotations; import org.springframework.batch.item.ExecutionContext; import org.springframework.batch.item.ItemStreamException; import static org.junit.Assert.fail; /** * Tests for {@link MyBatisCursorItemReader}. */ class MyBatisCursorItemReaderTest { @Mock private SqlSessionFactory sqlSessionFactory; @Mock private SqlSession sqlSession; @Mock private Cursor<Object> cursor; @BeforeEach void setUp() { MockitoAnnotations.initMocks(this); } @Test void testCloseOnFailing() throws Exception { Mockito.when(this.sqlSessionFactory.openSession(ExecutorType.SIMPLE)).thenReturn(this.sqlSession); Mockito.when(this.cursor.iterator()).thenReturn(getFoos().iterator()); Mockito.when(this.sqlSession.selectCursor("selectFoo", Collections.singletonMap("id", 1))) .thenThrow(new RuntimeException("error.")); MyBatisCursorItemReader<Foo> itemReader = new MyBatisCursorItemReader<>(); itemReader.setSqlSessionFactory(this.sqlSessionFactory); itemReader.setQueryId("selectFoo"); itemReader.setParameterValues(Collections.singletonMap("id", 1)); itemReader.afterPropertiesSet(); ExecutionContext executionContext = new ExecutionContext(); try { itemReader.open(executionContext); fail(); } catch (ItemStreamException e) { Assertions.assertThat(e).hasMessage("Failed to initialize the reader") .hasCause(new RuntimeException("error.")); } finally { itemReader.close(); Mockito.verify(this.sqlSession).close(); } } @Test void testCloseBeforeOpen() { MyBatisCursorItemReader<Foo> itemReader = new MyBatisCursorItemReader<>(); itemReader.close(); } private List<Object> getFoos() { return Arrays.asList(new Foo("foo1"), new Foo("foo2"), new Foo("foo3")); } private static class Foo { private final String name; public Foo(String name) { this.name = name; } public String getName() { return this.name; } } }