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testng提供的监 听器如下：
IAnnotationTransformer
IAnnotationTransformer2
IHookable
IInvokedMethodListener
IMethodInterceptor
IReporter
ISuiteListener
ITestListener
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比较常用的几个：
1.ITestListener：在
测试方法执行成功、失败、或跳过时执行的监 听
TestListenerAdapter已经实现了该接口，只需要继承该类即可：
如：
public class NewTest2 extends TestListenerAdapter {
@Override
public void onTestSuccess(ITestResult tr) {
super.onTestSuccess(tr);
long starttime=tr.getStartMillis();
long endtine=tr.getEndMillis();
long esplend=endtine-starttime;
Reporter.log("持续时间："+String.valueOf(esplend));
}
@Override
public void onTestFailure(ITestResult tr) {
super.onTestFailure(tr);
takescreenshot(tr);
}
private void takescreenshot(ITestResult tr) {
WebDriver driver = new InternetExplorerDriver();
File scrFile = driver.getScreenshotAs(OutputType.FILE);
File srcFile = ((TakesScreenshot)driver).getScreenshotAs(OutputType.FILE);
String filepath="……";
FileUtils.copyFile(srcFile,new File(filepath));
Reporter.setCurrentTestResult(tr);
Reporter.log("<a href=\"../"+filepath+"\">错误截图</a>");
}
}
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2.ISuiteListener：测试套件在执行前和执行后执行的监 听：
void onFinish(ISuite suite)
void onStart(ISuite suite)
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3.IReporter：默认的测试报表，在所有测试方法执行结束后被调用
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public class CustomReporter implements IReporter{
@Override
public void generateReport(List<XmlSuite> xmlSuites, List<ISuite> suites,
String outputDirectory) {
for (ISuite suite : suites) {
String suiteName = suite.getName();
Map<String ISuiteResult> suiteResults = suite.getResults();
for (ISuiteResult sr : suiteResults.values()) {
ITestContext tc = sr.getTestContext();
Reporter.log(tc.getPassedTests().getAllResults().size());
}
}
}
}
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4.调用监 听程序
a.testng.xm
<suite name="Sample">
<listeners>
<listener class-name="mytest.mylistener" />
</listeners>
<test name="test">
<classes>
<class name="tests.SampleTest" />
</classes>
</test>
</suite>
b.代码中
@Listeners({ mylistener.class })
public class SampleTest {
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@Test
public void test1() {
}}
c.run configuation中arguments标签配置
输入：如-mytest.mylistener
d.命令行
java org.testng.TestNG -listener MyListener testng1.xml
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e.代码调用testng并加载监 听器
TestListenerAdapter tla = new TestListenerAdapter();
TestNG testng = new TestNG();
testng.setTestClasses(new Class[] { Run2.class });
testng.addListener(tla);
testng.run();
