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TestNG 使用入门

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Author: 88250

Blog: http:/blog.youkuaiyun.com/DL88250

MSN & Gmail & QQ: DL88250@gmail.com

TestNG是一个设计用来简化广泛的测试需求的测试框架，从单元测试（隔离测试一个类）到集成测试（测试由有多个类多个包甚至多个外部框架组成的整个系统，例如运用服务器），本文以一个简单的例子展示了 TestNG 的基本运用。由于目前 NetBeans IDE 对 TestNG 目前还没有支持（不过 NetBeans 已经开始计划和实现了），所以示例工程使用 Maven 构建。

pom.xml：

  <?xmlversion="1.0"encoding="UTF-8"?> 
 <projectxmlns="http://maven.apache.org/POM/4.0.0"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://maven.apache.org/POM/4.0.0http://maven.apache.org/maven-v4_0_0.xsd"> 
 <modelVersion>4.0.0</modelVersion> 
 <groupId>cn.edu.ynu.sei</groupId> 
 <artifactId>HelloTestng</artifactId> 
 <packaging>jar</packaging> 
 <version>1.0.0.0</version> 
 <name>HelloTestng</name> 
 <description>AsimpledemoforTestngwithmaven.</description> 
 <url>http://maven.apache.org</url> 
 <build> 
 <plugins> 
 <plugin> 
 <artifactId>maven-compiler-plugin</artifactId> 
 <version>2.0.2</version> 
 <configuration> 
 <source>1.6</source> 
 <target>1.6</target> 
 </configuration> 
 </plugin> 
 </plugins> 
 </build> 
 <dependencies> 
 <dependency> 
 <groupId>org.testng</groupId> 
 <artifactId>testng</artifactId> 
 <version>5.8</version> 
 <scope>test</scope> 
 <classifier>jdk15</classifier> 
 <exclusions> 
 <exclusion> 
 <artifactId>junit</artifactId> 
 <groupId>junit</groupId> 
 </exclusion> 
 </exclusions> 
 </dependency> 
 </dependencies> 
 </project> 

scr：

  packagecn.edu.ynu.sei.test; 
 /** 
*AverysimpleclassfordemonstratehowtouseTestng.
*
*@author<ahref="mailto:DL88250@gmail.com">LiangDing</a>
*@version1.0.0.0,Oct29,2008
 */ 
 publicclassCalc{ 
 /** 
*Addsthespecifiedintegeroperand.
*@paramioperand1
*@paramjoperand2
*@returnthesumof<code>i</code>and<code>j</code>
*@throwsAddExceptionifanyoccursexeption,throwsthis
*exception
 */ 
 publicintadd(inti,intj)throwsAddException{ 
 if((((i&0x80000000)^(j&0x80000000))==0)&& 
 ((i&0x7FFFFFFF)+(j&0x7FFFFFFF))<0){ 
 //overflow 
 thrownewAddException("Addoverflow!"); 
}
 returni+j; 
}
}

  packagecn.edu.ynu.sei.test; 
 /** 
*Ifoccursaexceptionofaddition,throwsthisexcpetion.
*
*@author<ahref="mailto:DL88250@gmail.com">LiangDing</a>
*@version1.0.0.0,Oct29,2008
 */ 
 publicclassAddExceptionextendsException{ 
 /** 
*generatedserialversionid
 */ 
 privatestaticfinallongserialVersionUID=7337399941260755583L; 
 /** 
*Constructsanewexceptionwith<code>null</code>asitsdetailmessage.
*Thecauseisnotinitialized,andmaysubsequentlybeinitializedbya
*callto{@link#initCause}.
 */ 
 publicAddException(){ 
 super(); 
}
 /** 
*Constructsanewexceptionwiththespecifieddetailmessage.The
*causeisnotinitialized,andmaysubsequentlybeinitializedby
*acallto{@link#initCause}.
*
*@parammessagethedetailmessage.Thedetailmessageissavedfor
*laterretrievalbythe{@link#getMessage()}method.
 */ 
 publicAddException(Stringmessage){ 
 super(message); 
}
}

test:

  packagecn.edu.ynu.sei.test; 
 importorg.testng.annotations.AfterClass; 
 importorg.testng.annotations.AfterMethod; 
 importorg.testng.annotations.AfterTest; 
 importorg.testng.annotations.BeforeClass; 
 importorg.testng.annotations.BeforeMethod; 
 importorg.testng.annotations.BeforeTest; 
 importorg.testng.annotations.Test; 
 importstaticorg.testng.Assert.*; 
 /** 
*Asimpleunittestfor<code>App</code>.
*
*@author<ahref="mailto:DL88250@gmail.com">LiangDing</a>
*@version1.0.0.0,Oct29,2008
*@seeCalc
 */ 
 publicclassCalcTest{ 
 /** 
*instancetotest
 */ 
 privateCalcinstance; 
 /** 
*ThisMethodwillberunbeforethetest.
 */ 
 @BeforeTest 
 publicvoidbeforeTest(){ 
 System.out.println("beforetest"); 
}
 /** 
*Thismethodwillberunafterthetest.
 */ 
 @AfterTest 
 publicvoidafterTest(){ 
 System.out.println("aftertest"); 
}
 /** 
*Thismethodwillberunbeforethefirsttestmethod
*inthecurrentclassisinvoked.
 */ 
 @BeforeClass 
 publicvoidbeforeClass(){ 
 System.out.println("beforeclass"); 
 System.out.println("newtestinstance"); 
 instance=newCalc(); 
}
 /** 
*Thismethodwillberunafterallthetestmethods
*inthecurrentclasshavebeenrun.
 */ 
 @AfterClass 
 publicvoidafterClass(){ 
 System.out.println("afterclass"); 
}
 /** 
*Thismethodwillberunbeforeeachtestmethod.
 */ 
 @BeforeMethod 
 publicvoidbeforeMethod(){ 
 System.out.println("beforemethod"); 
}
 /** 
*Thismethodwillberunaftereachtestmethod.
 */ 
 @AfterMethod 
 publicvoidafterMethod(){ 
 System.out.println("aftermethod"); 
}
 /** 
*Testfor<code>add</code>method,ofclass<code>Calc</code>.
*Thistestmethodshouldrunsuccessfully.
*@throwsException
 */ 
 @Test 
 publicvoidaddSucc()throwsException{ 
 System.out.println("add"); 
 intresult=instance.add(1,1); 
 assertEquals(2,result); 
}
 /** 
*Testfor<code>add</code>method,ofclass<code>Calc</code>
*Thistestmethodshouldthrowa<code>AddException</code>
*@throwsException
 */ 
 @Test(expectedExceptions=AddException.class) 
 publicvoidaddFail()throwsException{ 
 System.out.println("add"); 
 intresult=instance.add(Integer.MAX_VALUE,Integer.MAX_VALUE); 
System.out.println(result);
}
}