对dbunit进行mybatis DAO层Excel单元测试(必看篇)

  org.unitilsunitils-core3.4.2 org.unitilsunitils-dbunit3.4.2 org.unitilsunitils-io3.4.2 org.unitilsunitils-database3.4.2 org.unitilsunitils-spring3.4.2 org.dbunitdbunit2.5.3

   src/test/resources **/*.*false

 #启用unitils所需模块 unitils.modules=database,dbunit #自定义扩展模块，加载Excel文件，默认拓展模块org.unitils.dbunit.DbUnitModule支持xml unitils.module.dbunit.className=org.agoura.myunit.module.MyDbUnitModule #配置数据库连接 database.driverClassName=com.mysql.jdbc.Driver database.url=jdbc:mysql://127.0.0.1:3306/teams?autoReconnect=true&useUnicode=true&characterEncoding=utf-8 database.userName=root database.password=agoura #配置为数据库名称 database.schemaNames=teams #配置数据库方言 database.dialect=mysql #需设置false，否则我们的测试函数只有在执行完函数体后，才将数据插入的数据表中 unitils.module.database.runAfter=false #配置数据库维护策略.请注意下面这段描述 # If set to true, the DBMaintainer will be used to update the unit test database schema. This is done once for each # test run, when creating the DataSource that provides access to the unit test database. updateDataBaseSchema.enabled=true #配置数据库表创建策略，是否自动建表以及建表sql脚本存放目录 dbMaintainer.autoCreateExecutedScriptsTable=true dbMaintainer.keepRetryingAfterError.enabled=true dbMaintainer.script.locations=src/main/resources/dbscripts #dbMaintainer.script.fileExtensions=sql #数据集加载策略 #CleanInsertLoadStrategy:先删除dateSet中有关表的数据，然后再插入数据 #InsertLoadStrategy：只插入数据 #RefreshLoadStrategy:有同样key的数据更新，没有的插入 #UpdateLoadStrategy:有同样key的数据更新，没有的不做任何操作 DbUnitModule.DataSet.loadStrategy.default=org.unitils.dbunit.datasetloadstrategy.impl.CleanInsertLoadStrategy #配置数据集工厂，自定义 DbUnitModule.DataSet.factory.default=org.agoura.myunit.utils.MultiSchemaXlsDataSetFactory DbUnitModule.ExpectedDataSet.factory.default=org.agoura.myunit.utils.MultiSchemaXlsDataSetFactory #配置事务策略 commit、rollback 和disabled；或者在代码的方法上标记@Transactional(value=TransactionMode.ROLLBACK) #commit 是单元测试方法过后提交事务 #rollback 是回滚事务 #disabled 是没有事务，默认情况下，事务管理是disabled DatabaseModule.Transactional.value.default=commit #配置数据集结构模式XSD生成路径，可以自定义目录，但不能为空 dataSetStructureGenerator.xsd.dirName=src/main/resources/xsd dbMaintainer.generateDataSetStructure.enabled=true #文件相对路径是否是测试类文件路径，false表示resource根目录 dbUnit.datasetresolver.prefixWithPackageName=false

 Excel文件 --> @DataSet --> DbUnitModule --> DataSetFactory --> 数据库(MySql)

 import org.dbunit.database.DatabaseConfig; import org.dbunit.ext.mysql.MySqlDataTypeFactory; import org.dbunit.ext.mysql.MySqlMetadataHandler; import org.unitils.core.UnitilsException; import org.unitils.dbmaintainer.locator.ClassPathDataLocator; import org.unitils.dbmaintainer.locator.resourcepickingstrategie.ResourcePickingStrategie; import org.unitils.dbunit.DbUnitModule; import org.unitils.dbunit.datasetfactory.DataSetFactory; import org.unitils.dbunit.util.DbUnitDatabaseConnection; import org.unitils.dbunit.util.MultiSchemaDataSet; import java.io.File; import java.io.InputStream; import java.util.ArrayList; import java.util.List; public class MyDbUnitModule extends DbUnitModule { //完善DbUnitDatabaseConnection连接信息 @Override public DbUnitDatabaseConnection getDbUnitDatabaseConnection(final String schemaName) { DbUnitDatabaseConnection result = dbUnitDatabaseConnections.get(schemaName); if (result != null) { return result; } result = super.getDbUnitDatabaseConnection(schemaName); result.getConfig().setProperty(DatabaseConfig.PROPERTY_DATATYPE_FACTORY, new MySqlDataTypeFactory()); result.getConfig().setProperty(DatabaseConfig.PROPERTY_METADATA_HANDLER, new MySqlMetadataHandler()); return result; } //Excel预处理操作，将@DataSet注释读取的文件返回给DataSetFactory进行处理 @Override protected File handleDataSetResource(ClassPathDataLocator locator, String nameResource, ResourcePickingStrategie strategy, Class testClass) { String cloneResource = new String(nameResource); String packageName = testClass.getPackage() != null?testClass.getPackage().getName():""; String tempName = ""; if(cloneResource.startsWith(packageName.replace(".", "/"))) { cloneResource = tempName = cloneResource.substring(packageName.length()); } else if(cloneResource.startsWith(packageName)) { cloneResource = tempName = cloneResource.substring(packageName.length() + 1); } else { tempName = cloneResource; } InputStream in = locator.getDataResource(packageName.replace(".", "/") + "/" + tempName, strategy); File resolvedFile = null; if(in == null) { resolvedFile = this.getDataSetResolver().resolve(testClass, cloneResource); if(resolvedFile == null) { throw new UnitilsException("DataSetResource file with name '" + nameResource + "' cannot be found"); } } return resolvedFile; } //调用DataSetFactory.createDataSet()向数据库中注入Excel数据后，直接返回DataSet，不对DataSet执行清零操作 @Override protected MultiSchemaDataSet getDataSet(Class testClass, String[] dataSetFileNames, DataSetFactory dataSetFactory) { List dataSetFiles = new ArrayList(); ResourcePickingStrategie resourcePickingStrategie = getResourcePickingStrategie(); for (String dataSetFileName : dataSetFileNames) { File dataSetFile = handleDataSetResource(new ClassPathDataLocator(), dataSetFileName, resourcePickingStrategie, testClass); dataSetFiles.add(dataSetFile); } MultiSchemaDataSet dataSet = dataSetFactory.createDataSet(dataSetFiles.toArray(new File[dataSetFiles.size()])); return dataSet; } }

 import org.unitils.core.UnitilsException; import org.unitils.dbunit.datasetfactory.DataSetFactory; import org.unitils.dbunit.util.MultiSchemaDataSet; import java.io.File; import java.util.*; public class MultiSchemaXlsDataSetFactory implements DataSetFactory { protected String defaultSchemaName; public void init(Properties configuration, String s) { this.defaultSchemaName = s; } public MultiSchemaDataSet createDataSet(File... dataSetFiles) { try { MultiSchemaXlsDataSetReader xlsDataSetReader = new MultiSchemaXlsDataSetReader(defaultSchemaName); return xlsDataSetReader.readDataSetXls(dataSetFiles); } catch (Exception e) { throw new UnitilsException("创建数据集失败：" + Arrays.toString(dataSetFiles), e); } } public String getDataSetFileExtension() { return "xls"; } }

 import org.dbunit.database.AmbiguousTableNameException; import org.dbunit.dataset.DefaultDataSet; import org.dbunit.dataset.IDataSet; import org.dbunit.dataset.ITable; import org.dbunit.dataset.excel.XlsDataSet; import org.unitils.core.UnitilsException; import org.unitils.dbunit.util.MultiSchemaDataSet; import java.io.File; import java.io.FileInputStream; import java.util.*; public class MultiSchemaXlsDataSetReader { private String pattern = "."; private String defaultSchemaName; public MultiSchemaXlsDataSetReader(String defaultSchemaName) { this.defaultSchemaName = defaultSchemaName; } public MultiSchemaDataSet readDataSetXls(File... dataSetFiles) { try { Map> tbMap = getTables(dataSetFiles); MultiSchemaDataSet dataSets = new MultiSchemaDataSet(); for (Map.Entry> entry : tbMap.entrySet()) { List tables = entry.getValue(); try { DefaultDataSet ds = new DefaultDataSet(tables.toArray(new ITable[]{})); dataSets.setDataSetForSchema(entry.getKey(), ds); } catch (AmbiguousTableNameException e) { throw new UnitilsException("构造DataSet失败！", e); } } return dataSets; } catch (Exception e) { throw new UnitilsException("解析Excel文件出错：", e); } } private Map> getTables(File... dataSetFiles) { Map> tableMap = new HashMap<>(); // 需要根据schema把Table重新组合一下 try { String schema, tableName; for (File file : dataSetFiles) { IDataSet dataSet = new XlsDataSet(new FileInputStream(file)); String[] tableNames = dataSet.getTableNames(); for (String tn : tableNames) { String[] temp = tn.split(pattern); if (temp.length == 2) { schema = temp[0]; tableName = temp[1]; } else { schema = this.defaultSchemaName; tableName = tn; } ITable table = dataSet.getTable(tn); if (!tableMap.containsKey(schema)) { tableMap.put(schema, new ArrayList()); } tableMap.get(schema).add(new XslTableWrapper(tableName, table)); } } } catch (Exception e) { throw new UnitilsException("Unable to create DbUnit dataset for data set files: " + Arrays.toString(dataSetFiles), e); } return tableMap; } }

 public interface MembersMapper { int deleteByPrimaryKey(Integer id); int insert(Members record); Members selectByPrimaryKey(Integer id); int updateByPrimaryKey(Members record); }

 import com.agoura.entity.Members; import org.junit.Before; import org.junit.BeforeClass; import org.junit.Test; import org.junit.runner.RunWith; import org.springframework.context.ApplicationContext; import org.springframework.context.support.ClassPathXmlApplicationContext; import org.springframework.test.context.ContextConfiguration; import org.unitils.UnitilsJUnit4; import org.unitils.UnitilsJUnit4TestClassRunner; import org.unitils.dbunit.annotation.DataSet; import static org.junit.Assert.assertNotNull; @RunWith(UnitilsJUnit4TestClassRunner.class) @ContextConfiguration(locations = {"classpath*:spring-*.xml"}) public class MembersMapperTest extends UnitilsJUnit4 { private MembersMapper membersMapper; private static ApplicationContext ctx; @BeforeClass public static void setUpBeforeClass() { ctx = new ClassPathXmlApplicationContext("classpath*:spring-mybatis-unitils.xml"); } @Before public void setUp() { membersMapper = (MembersMapper) ctx.getBean("membersMapper"); } @Test @DataSet(value = {"test.xls"})   //test.xlsx public void testSelectByPrimaryKey() throws Exception { Members member = membersMapper.selectByPrimaryKey(3); System.out.println(member); assertEquals("王五", member.getName()); } }