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  • 測試數據與代碼分離的測試(2)

    發表于:2014-03-03來源:豆瓣作者:@行知-追尋技術之美點擊數: 標簽:測試數據
    @Source( data.xls )//Excel source public void testAccessCheck_Excel(String userName, String pw, boolean expected) { assertEquals(expected, UserAccess. accessCheck(userName, pw)); } } 運行結果如下:

      @Source( "data.xls" )//Excel source

      public void testAccessCheck_Excel(String userName, String pw, boolean expected) {

      assertEquals(expected, UserAccess. accessCheck(userName, pw));

      }

      }

      運行結果如下:

    image

      3. 數據庫作為數據源

      同樣,Feed4junit也支持數據庫數據源,這里不做詳細的介紹:其原理和上面文件數據源差不多,樣例代碼如下:

      類上聲明@Database:

      import static org.junit.Assert.assertEquals;

      import org.databene.benerator.anno.Database;

      import org.databene.benerator.anno.Source;

      import org.databene.feed4junit.Feeder;

      import org.junit.Test;

      import org.junit.runner.RunWith;

      import sample.code.UserAccess;

      /*

      * Feed4JUnit - Get Data from Database, all test methods can use the database data

      */

      @RunWith(Feeder.class)

      @Database(

      id = "testdb",

      url = "jdbc:mysql://localhost:5000/SAMPLE",

      driver = "com.mysql.jdbc.Driver",

      user = "admin",

      password = "admin")

      public class F4JfromDB {

      @Test

      @Source(id = "testdb", selector = "select * from TEST")

      public void testAccessCheck(String userName, String pw, String expected) {

      Boolean bSucess = UserAccess.accessCheck(userName.trim(), pw.trim());

      assertEquals(expected.trim(), bSucess.toString());

      }

      }

      測試方法上聲明@Database

      @RunWith(Feeder.class)

      public class F4JfromDB_Method {

      @Test

      @Database(

      id = "testdb",

      url = "jdbc:mysql://localhost:5000/SAMPLE",

      driver = "com.mysql.jdbc.Driver",

      user = "admin",

      password = "admin")

      @Source(id = "testdb", selector = "select * from TEST")

      public void testAccessCheck(String userName, String pw, String expected) {

      Boolean bSucess = UserAccess.accessCheck(userName.trim(), pw.trim());

      assertEquals(expected.trim(), bSucess.toString());

      }

      }

      測試運行過程中,通過 url,driver 等信息建立數據連接,通過 selector 發出數據請求,最后完成查詢并把數據傳遞給測試方法,數據在傳遞給方法的時候,會按數據表的列的順序與參數進行匹配.

      4.最后

      Feed4JUnit 提供了對數據與代碼分離的測試支持。只需要簡單的注釋,Feed4JUnit 就可以使用戶很方便的實施數據與代碼分離之間的測試,對于習慣了JUnit 測試框架的同學來說,是一個十分省力的利器。

      Feed4JUnit 同時還提供大量數據的隨機測試和等價類測試等眾多功能,這個留到后面再進行挖掘。

    原文轉自:http://www.wangyuxiong.com/archives/51662

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