当我们使用TestNG数据提供程序而不是Factory时，ITest是否正常工作

时间：2015-10-29 01:12:36

标签： testng testng-dataprovider

我正在尝试使用ITest接口来获取来自数据提供者的测试的自定义名称（对于Jenkins报告）。我尝试了一个如下所示的示例程序，以了解TestNG调用gettestname（）方法的几点。

粘贴输出和程序。

正如您在下面看到的那样，输出令人困惑，并且测试名称也会出现'null'。所以我的问题是Itest是否设计用于数据提供者？此外，当我们使用parallel = true运行下面的数据提供者时，由于成员'testName'在线程之间共享并且只有一个类实例正在运行，因此它变得更加混乱。

我可以看到ITest如何与@factory一起使用，因为当我们使用工厂时，每个testmethod运行都会调用一个新的TestClass，所以那里不会有问题。

输出：

TestNGThreadingTest:31 - DataProvider running on Thread id = 1
TestNGThreadingTest:53 - GetTestname Method Thread id = 1 TestName = null
TestNGThreadingTest:43 - Before Method Thread id = 1 TestName = test1
TestNGThreadingTest:53 - GetTestname Method Thread id = 1 TestName = test1
TestNGThreadingTest:37 - Run Method Thread id = 1 TestName = test1
TestNGThreadingTest:53 - GetTestname Method Thread id = 1 TestName = test1
TestNGThreadingTest:48 - After Method Thread id = 1 TestName = test1
TestNGThreadingTest:53 - GetTestname Method Thread id = 1 TestName = test1
TestNGThreadingTest:43 - Before Method Thread id = 1 TestName = test2
TestNGThreadingTest:53 - GetTestname Method Thread id = 1 TestName = test2
TestNGThreadingTest:37 - Run Method Thread id = 1 TestName = test2
TestNGThreadingTest:53 - GetTestname Method Thread id = 1 TestName = test2
TestNGThreadingTest:48 - After Method Thread id = 1 TestName = test2
TestNGThreadingTest:53 - GetTestname Method Thread id = 1 TestName = test2
TestNGThreadingTest:43 - Before Method Thread id = 1 TestName = test3
TestNGThreadingTest:53 - GetTestname Method Thread id = 1 TestName = test3
TestNGThreadingTest:37 - Run Method Thread id = 1 TestName = test3
TestNGThreadingTest:53 - GetTestname Method Thread id = 1 TestName = test3
TestNGThreadingTest:48 - After Method Thread id = 1 TestName = test3
TestNGThreadingTest:53 - GetTestname Method Thread id = 1 TestName = test3
TestNGThreadingTest:43 - Before Method Thread id = 1 TestName = test4
TestNGThreadingTest:53 - GetTestname Method Thread id = 1 TestName = test4
TestNGThreadingTest:37 - Run Method Thread id = 1 TestName = test4
TestNGThreadingTest:53 - GetTestname Method Thread id = 1 TestName = test4
TestNGThreadingTest:48 - After Method Thread id = 1 TestName = test4
TestNGThreadingTest:53 - GetTestname Method Thread id = 1 TestName = test4
TestNGThreadingTest:43 - Before Method Thread id = 1 TestName = test5
TestNGThreadingTest:53 - GetTestname Method Thread id = 1 TestName = test5
TestNGThreadingTest:37 - Run Method Thread id = 1 TestName = test5
TestNGThreadingTest:53 - GetTestname Method Thread id = 1 TestName = test5
TestNGThreadingTest:48 - After Method Thread id = 1 TestName = test5
TestNGThreadingTest:53 - GetTestname Method Thread id = 1 TestName = test5
TestNGThreadingTest:53 - GetTestname Method Thread id = 1 TestName = test5
TestNGThreadingTest:53 - GetTestname Method Thread id = 1 TestName = test5
TestNGThreadingTest:53 - GetTestname Method Thread id = 1 TestName = test5
TestNGThreadingTest:53 - GetTestname Method Thread id = 1 TestName = test5
PASSED: test1("test1")
PASSED: test2("test2")
PASSED: test3("test3")
PASSED: test4("test4")
PASSED: test5("test5")

输出[当parallel = true] 

TestNGThreadingTest:31 - DataProvider running on Thread id = 1
TestNGThreadingTest:53 - GetTestname Method Thread id = 9 TestName = null
TestNGThreadingTest:53 - GetTestname Method Thread id = 11 TestName = null
TestNGThreadingTest:53 - GetTestname Method Thread id = 10 TestName = null
TestNGThreadingTest:53 - GetTestname Method Thread id = 13 TestName = null
TestNGThreadingTest:53 - GetTestname Method Thread id = 12 TestName = null
TestNGThreadingTest:43 - Before Method Thread id = 11 TestName = test3
TestNGThreadingTest:43 - Before Method Thread id = 13 TestName = test5
TestNGThreadingTest:43 - Before Method Thread id = 9 TestName = test1
TestNGThreadingTest:43 - Before Method Thread id = 12 TestName = test4
TestNGThreadingTest:43 - Before Method Thread id = 10 TestName = test2
TestNGThreadingTest:53 - GetTestname Method Thread id = 12 TestName = test2
TestNGThreadingTest:53 - GetTestname Method Thread id = 9 TestName = test2
TestNGThreadingTest:53 - GetTestname Method Thread id = 13 TestName = test2
TestNGThreadingTest:53 - GetTestname Method Thread id = 11 TestName = test2
TestNGThreadingTest:53 - GetTestname Method Thread id = 10 TestName = test2
TestNGThreadingTest:37 - Run Method Thread id = 11 TestName = test3
TestNGThreadingTest:37 - Run Method Thread id = 12 TestName = test4
TestNGThreadingTest:37 - Run Method Thread id = 9 TestName = test1
TestNGThreadingTest:37 - Run Method Thread id = 10 TestName = test2
TestNGThreadingTest:37 - Run Method Thread id = 13 TestName = test5
TestNGThreadingTest:53 - GetTestname Method Thread id = 12 TestName = test2
TestNGThreadingTest:53 - GetTestname Method Thread id = 11 TestName = test2
TestNGThreadingTest:53 - GetTestname Method Thread id = 9 TestName = test2
TestNGThreadingTest:53 - GetTestname Method Thread id = 10 TestName = test2
TestNGThreadingTest:48 - After Method Thread id = 12 TestName = test4
TestNGThreadingTest:48 - After Method Thread id = 10 TestName = test2
TestNGThreadingTest:48 - After Method Thread id = 9 TestName = test1
TestNGThreadingTest:53 - GetTestname Method Thread id = 13 TestName = test2
TestNGThreadingTest:48 - After Method Thread id = 11 TestName = test3
TestNGThreadingTest:48 - After Method Thread id = 13 TestName = test5
TestNGThreadingTest:53 - GetTestname Method Thread id = 1 TestName = test2
TestNGThreadingTest:53 - GetTestname Method Thread id = 1 TestName = test2
TestNGThreadingTest:53 - GetTestname Method Thread id = 1 TestName = test2
TestNGThreadingTest:53 - GetTestname Method Thread id = 1 TestName = test2
TestNGThreadingTest:53 - GetTestname Method Thread id = 1 TestName = test2
PASSED: test2("test3")
PASSED: test2("test4")
PASSED: test2("test1")
PASSED: test2("test2")
PASSED: test2("test5")

代码：

public class TestNGThreadingTest implements ITest {

public String testName;

final static Logger logger = Logger.getLogger(TestNGThreadingTest.class);

@DataProvider(name="dp")
public Iterator<Object[]> getTests() {
    Collection<Object[]> tests = new ArrayList<Object[]>();

    tests.add(new Object[]{"test1"});
    tests.add(new Object[]{"test2"});
    tests.add(new Object[]{"test3"});
    tests.add(new Object[]{"test4"});
    tests.add(new Object[]{"test5"});

    logger.info("DataProvider running on Thread id = " + Thread.currentThread().getId());
    return tests.iterator();
}

@Test(dataProvider="dp")
public void run(String testName) {
    logger.info("Run Method Thread id = " + Thread.currentThread().getId() + " TestName = "+ testName );
}

@BeforeMethod
public void init(Object[] testArgs) {
    this.testName = (String) testArgs[0];
    logger.info("Before Method Thread id = " + Thread.currentThread().getId() + " TestName = " + testArgs[0]);
}

@AfterMethod
public void tearDown(Object[] testArgs) {
    logger.info("After Method Thread id = " + Thread.currentThread().getId() + " TestName = " + testArgs[0]);
}

@Override
public String getTestName() {
    logger.info("GetTestname Method Thread id = " + Thread.currentThread().getId() + " TestName = " + testName);
    return testName;
}

}

1 个答案:

答案 0 :(得分：0)

这是一个确定性问题（可能是TestNG问题吗？）。

按String testName重新ThreadLocal<String> testName = new ThreadLocal()可以解决您的问题。

或者您也可以使用与@Factory相关联的@DataProvider，但@Factory may not work in parallel。

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