如何使用 BeforeTest 执行运行 TestNG 多次测试？

Question

我尝试使用 DataProvider 多次执行测试。一切正常，但 @BeforeTest 和 @AfterTest 只执行一次，但每次迭代我都需要执行此操作。:

public class TestClass{

    @BeforeTest
    public void before(){
        Log.info("BeforeTest");
    }

    @AfterTest
    public void after(){
        Log.info("AfterTest");
    }

    @DataProvider
    public Object[][] tenTime(){
        return new Object[][]{
                {0}, {1}, {2}, {3}, {4}, {5}, {6}, {7}, {8}, {9}
        };
    }
    
    private static Integer c = 0;

    @Test(dataProvider = "tenTime")
    public void tenTimesTest(Integer count){
        Assert.assertSame(count, c++);
    }
}

实际结果：
@BeforeTest 和 @AfterTest 执行一次：

[INFO] 19-01-21 11:54:47 main | BeforeTest
[INFO] 19-01-21 11:54:47 main | The tenTimesTest test started
[INFO] 19-01-21 11:54:47 main | tenTimesTest test is starting.
[INFO] 19-01-21 11:54:48 main | The tenTimesTest test succeed
[INFO] 19-01-21 11:54:48 main | tenTimesTest test is passed
[INFO] 19-01-21 11:54:48 main | The tenTimesTest test started
[INFO] 19-01-21 11:54:48 main | tenTimesTest test is starting.
[INFO] 19-01-21 11:54:48 main | The tenTimesTest test succeed
[INFO] 19-01-21 11:54:48 main | tenTimesTest test is passed
..............
[INFO] 19-01-21 11:54:50 main | AfterTest

预期结果
@BeforeTest 和 @AfterTest 每次执行 tenTimesTest:

[INFO] 19-01-21 11:54:47 main | BeforeTest
[INFO] 19-01-21 11:54:47 main | The tenTimesTest test started
[INFO] 19-01-21 11:54:47 main | tenTimesTest test is starting.
[INFO] 19-01-21 11:54:48 main | The tenTimesTest test succeed
[INFO] 19-01-21 11:54:48 main | tenTimesTest test is passed
[INFO] 19-01-21 11:54:50 main | AfterTest
[INFO] 19-01-21 11:54:47 main | BeforeTest
[INFO] 19-01-21 11:54:47 main | The tenTimesTest test started
[INFO] 19-01-21 11:54:47 main | tenTimesTest test is starting.
[INFO] 19-01-21 11:54:48 main | The tenTimesTest test succeed
[INFO] 19-01-21 11:54:48 main | tenTimesTest test is passed
[INFO] 19-01-21 11:54:50 main | AfterTest

Answer 1

使用@BeforeMethod 和@AfterMethod 如下：

public class DemoTest {

    private static final Logger log = LoggerFactory.getLogger(DemoTest.class);

    @BeforeMethod
    public void before() {
        log.info("before");
    }

    @AfterMethod
    public void after() {
        log.info("after");
    }

    @Test
    public void test1() {
        log.info("test1");
    }

    @Test
    public void test2() {
        log.info("test2");
    }
}

结果：

before
test1
after
before
test2
after

Answer 2

即使您使用的是数据提供程序，您的 tenTimesTest 也被视为单个测试，因此 @BeforeTest 只会执行一次。如果您需要在每次调用之前执行它，您可以尝试 @BeforeMethod。但是请注意，如果您有更多测试，它也会被执行

如果您需要更细粒度的执行控制，您可能需要自己从测试中调用该方法

您有更多信息in the docs

Answer 3

以下构造适合我：

    @BeforeTest
    public void before(){
        isBeforeTestExecutedFlag = true;
        method();
    }

    private void method(){
        Log.info("BeforeTest");
    }

    bool isBeforeTestExecutedFlag = false;

    @BeforeMethod
    public void beforeMethod(){
        if(isBeforeTestExecutedFlag){
             isBeforeTestExecutedFlag = false;
             return;
        }
        method();
    }

    @AfterTest
    public void after(){
        Log.info("AfterTest");
    }

    @DataProvider
    public Object[][] tenTime(){
        return new Object[][]{
                {0}, {1}, {2}, {3}, {4}, {5}, {6}, {7}, {8}, {9}
        };
    }
    
    private static Integer c = 0;

    @Test(dataProvider = "tenTime")
    public void tenTimesTest(Integer count){
        Assert.assertSame(count, c++);
    }
}

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