TestNG的重試測試

Question

我一直在用TestNG重試機制如下 -

public class TestRetryAnalyzer implements IRetryAnalyzer { 

private static int MAX_RETRY_COUNT = 3; 

private AtomicInteger count = new AtomicInteger(MAX_RETRY_COUNT); 

private boolean isRetryAvailable() { 
    return (count.intValue() > 0); 
} 

@Override 
public boolean retry(ITestResult result) { 
    boolean retry = false; 
    if (isRetryAvailable()) { 
     Reporter.log("<br> Going to retry test case: " + result.getMethod() + ", " + (MAX_RETRY_COUNT - count.intValue() + 1) + " out of " + MAX_RETRY_COUNT+"</br>"); 
     retry = true; 
     count.decrementAndGet(); 
    } 
    return retry; 
} 


public class TestRetryListener implements IAnnotationTransformer { 

@Override 
public void transform(final ITestAnnotation annotation, final Class testClass, final Constructor testConstructor, 
         final Method testMethod) { 
    IRetryAnalyzer retryAnalyzer = annotation.getRetryAnalyzer(); 
    if (retryAnalyzer == null) { 
     annotation.setRetryAnalyzer(TestRetryAnalyzer.class); 
    } 
} 

和測試 -

public class SimpleTest { 

private int count = 0; 

@Test 
public void test() { 
    count++; 
    if (count % 3 != 0) { 
     Assert.fail("Injected Failure"); 
    } 
    count = 0; 
} 

和的testng.xml文件 -

<suite name="Suite1" verbose="1"> 
<listeners> 
    <listener class-name="main.java.TestRetryListener" /> 
    <listener class-name="org.uncommons.reportng.HTMLReporter" /> 
    <listener class-name="org.uncommons.reportng.JUnitXMLReporter" /> 
</listeners> 
<test name="Sample" > 
    <classes> 
     <class name="main.java.SimpleTest" /> 
    </classes> 
</test> 
<test name="Sample2" > 
    <classes> 
     <class name="main.java.SimpleTest" /> 
    </classes> 
</test> 
<test name="Sample3" > 
    <classes> 
     <class name="main.java.SimpleTest" /> 
    </classes> 
</test> 
<test name="Sample4" > 
    <classes> 
     <class name="main.java.SimpleTest" /> 
    </classes> 
</test> 
<test name="Sample5" > 
    <classes> 
     <class name="main.java.SimpleTest" /> 
    </classes> 
</test> 

Wh我只運行一次測試，然後重試機制運行良好（1次通過，2次跳過）。但是當我運行上面testng.xml文件中提到的5個測試時，它們開始失敗。如果沒有並行運行測試，我是否會遇到併發問題？我如何擺脫它？我用TestNG 6.9.10

Answer 1

TestRetryListener

被調用一次通過TestNG的框架，所以會出現只有一個TestRetryAnalyzer的實例將出現在堆。 實例變量「count」（AtomicInteger類的實例）正在多個測試中共享。 對於每個測試，它不會重置爲3，這意味着AtomicInteger對象僅實例化一次，並且TestRetryAnalyzer類使用相同的引用。

爲了克服上述問題，我們必須在每次測試後將計數重置爲3。要做到這一點，你必須做如下修改

public class SimpleTest { 

private int count = 0; 

@Test 
public void test() { 
    count++; 
    System.out.println("Test Count ... " + count); 
    if (count % 4 != 0) { 
     Assert.fail("Injected Failure"); 
    } 
    count = 0; 
} 

@AfterTest 
public void afterTest() { 
    TestRetryAnalyzer.resetCount(); 
} 

}

公共類TestRetryAnalyzer實現IRetryAnalyzer {

private static int MAX_RETRY_COUNT = 3; 

private static AtomicInteger count = new AtomicInteger(MAX_RETRY_COUNT); 

public static void resetCount() { 
    count.set(MAX_RETRY_COUNT); 
} 

private boolean isRetryAvailable() { 
    return (count.intValue() > 0); 
} 

@Override 
public boolean retry(ITestResult result) { 
    boolean retry = false; 
    if (isRetryAvailable()) { 
     retry = true; 
     count.decrementAndGet(); 
     System.out.println("Retry Analyzer count is : " + count); 
    } 
    return retry; 
} 

}

希望這有助於:)