Java单元测试——容器内部测试

时间:2022-07-24
本文章向大家介绍Java单元测试——容器内部测试,主要内容包括其使用实例、应用技巧、基本知识点总结和需要注意事项,具有一定的参考价值,需要的朋友可以参考一下。

1 HttpUnit

package HttpUnit.com.jerry;


import static org.junit.Assert.*;


import java.io.IOException;


import org.junit.Before;
import org.junit.Test;
import org.xml.sax.SAXException;


import com.meterware.httpunit.GetMethodWebRequest;
import com.meterware.httpunit.HttpUnitOptions;
import com.meterware.httpunit.PostMethodWebRequest;
import com.meterware.httpunit.WebConversation;
import com.meterware.httpunit.WebLink;
import com.meterware.httpunit.WebRequest;
import com.meterware.httpunit.WebResponse;


public class WebTest {
  private  WebConversation wc;
  @Before
  public void setUp(){
    wc = new WebConversation();
  }


  @Test
  public void testEBusiness() throws IOException, SAXException {
    HttpUnitOptions.setScriptingEnabled(false);
    String username = "cindy";
    String password = "123456";
    WebRequest req = new PostMethodWebRequest("http://127.0.0.1:8000/login_action/");
    //给请求加上参数
    req.setParameter("username",username);
    req.setParameter("password",password);
    //获取响应对象
    WebResponse resp = wc.getResponse(req);
    //用getText方法获取相应的全部内容
    assertTrue(resp.getText().contains("购物车"));
  }
  
  @Test
  public void test3testing() throws IOException, SAXException {
    HttpUnitOptions.setScriptingEnabled(false);
    String CheckWord = "测试";
    WebResponse req = wc.getResponse("http://www.3testing.com/include/head.htm");
    WebLink link = req.getLinkWith("我的课程");
    link.click();
    WebResponse nextLink = wc.getCurrentPage();
    assertTrue(nextLink.getText().contains(CheckWord));
  }

}

2 DbUnit

AbstractDbUnitTestCase.java

package DbUnit.com.jerry;


import static org.junit.Assert.*;


import java.io.FileInputStream;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.sql.Connection;
import java.sql.DriverManager;


import org.dbunit.dataset.IDataSet;
import org.dbunit.dataset.ReplacementDataSet;
import org.dbunit.dataset.xml.FlatXmlDataSet;
import org.dbunit.ext.hsqldb.HsqldbConnection;
import org.junit.AfterClass;
import org.junit.BeforeClass;


public abstract class AbstractDbUnitTestCase {
  
  public static final String USER_FIRST_NAME = "Jeffrey";
  public static final String USER_LAST_NAME = "Lebowsky";
  public static final String USER_USERNAME = "ElDuderino";
  
  protected static UserDaoJdbcImpl dao = new UserDaoJdbcImpl();
  protected static Connection connection;
  protected static HsqldbConnection dbunitConnection;
  
  @BeforeClass
  public static void setupDatabase() throws Exception {
  String driverName="com.mysql.jdbc.Driver";
  String userName="root";
  String userPasswd="123456";
  String dbName="hr";
  String url="jdbc:mysql://localhost/"+dbName+"?user="+userName+"&password="+userPasswd;
    Class.forName(driverName).newInstance(); 
    connection = DriverManager.getConnection(url);
    dbunitConnection = new HsqldbConnection(connection,null);
    dao.setConnection(connection);
    dao.createTables();
  }


  @AfterClass
  public static void closeDatabase() throws Exception {
    if ( dbunitConnection != null ) {
      dao.dropTables();
      dbunitConnection.close();
      dbunitConnection = null;
    }
  }
  
  public static IDataSet getDataSet(String name) throws Exception {
    InputStream inputStream = new FileInputStream(name);
    assertNotNull("file " + name + " not found in classpath", inputStream );
    Reader reader = new InputStreamReader(inputStream);
    FlatXmlDataSet dataset = new FlatXmlDataSet(reader);
    return dataset;
  }
  
  public static IDataSet getReplacedDataSet(String name, long id) throws Exception {
    IDataSet originalDataSet = getDataSet(name);
    return getReplacedDataSet(originalDataSet, id);
  }
  
  public static IDataSet getReplacedDataSet(IDataSet originalDataSet, long id) throws Exception {
    ReplacementDataSet replacementDataSet = new ReplacementDataSet(originalDataSet);
    replacementDataSet.addReplacementObject("[ID]", id);
    replacementDataSet.addReplacementObject("[NULL]", null);
    return replacementDataSet;
  }
  
  public static User newUser() {
      User user = new User();
      user.setFirstName(USER_FIRST_NAME);
      user.setLastName(USER_LAST_NAME);
      user.setUsername(USER_USERNAME);
      return user;
    }
  
  public static void assertUser(User user) {
      assertNotNull(user);
      assertEquals(USER_FIRST_NAME, user.getFirstName());
      assertEquals(USER_LAST_NAME, user.getLastName());
      assertEquals(USER_USERNAME, user.getUsername());
    }
    
}

UserDaoJdbcImplTest.java

package DbUnit.com.jerry;


import static org.junit.Assert.*;


import org.dbunit.Assertion;
import org.dbunit.dataset.IDataSet;
import org.dbunit.operation.DatabaseOperation;
import org.junit.Test;


public class UserDaoJdbcImplTest extends AbstractDbUnitTestCase{
  
  @Test
  public void testGetUserById() throws Exception {
    IDataSet setupDataSet = getDataSet("Test/DbUnit/com/jerry/user.xml");
    DatabaseOperation.CLEAN_INSERT.execute(dbunitConnection, setupDataSet);
    User user = dao.getUserById(1);
    assertNotNull( user);
    assertEquals( "Jeffrey", user.getFirstName() );
    assertEquals( "Lebowsky", user.getLastName() );
    assertEquals( "ElDuderino", user.getUsername() );
  }


  
  @Test
  public void testAddUseIgnoringId() throws Exception {
    IDataSet setupDataSet = getDataSet("Test/DbUnit/com/jerry/user.xml");
    DatabaseOperation.DELETE_ALL.execute(dbunitConnection, setupDataSet);
    User user = newUser();
    int id = dao.addUser(user);
    assertTrue(id>0);
    IDataSet expectedDataSet = getDataSet("Test/DbUnit/com/jerry/user.xml");
    IDataSet actualDataSet = dbunitConnection.createDataSet();
    Assertion.assertEqualsIgnoreCols( expectedDataSet, actualDataSet, "users", new String[] { "id" } );
  }
  
  @Test
  public void testGetUserByIdReplacingIds() throws Exception {
  int id = 42;
    IDataSet setupDataset = getReplacedDataSet("Test/DbUnit/com/jerry/user-token.xml", id );
    DatabaseOperation.INSERT.execute(dbunitConnection, setupDataset);
    User user = dao.getUserById(id);
    assertUser(user);
  }
  
  @Test
  public void testAddUserReplacingIds() throws Exception {
    IDataSet setupDataSet = getDataSet("Test/DbUnit/com/jerry/user-token.xml");
    DatabaseOperation.DELETE_ALL.execute(dbunitConnection, setupDataSet);
    User user = newUser();
    int id = dao.addUser(user);
    assertTrue(id>0);
    IDataSet expectedDataSet = getReplacedDataSet(setupDataSet, id );
    IDataSet actualDataSet = dbunitConnection.createDataSet();
    Assertion.assertEquals( expectedDataSet, actualDataSet );
  }
  
}

user-token.xml

<?xml version="1.0"?>
<dataset>
  <users id="[ID]" username="ElDuderino" first_name="Jeffrey" last_name="Lebowsky" />
</dataset>

user.xml

<?xml version="1.0"?>
<dataset>
  <users id="1" username="ElDuderino" first_name="Jeffrey" last_name="Lebowsky" />
</dataset>