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原理:
1.自已构造一个断言类,把Assert.assertEquals给try catch住。
2.利用testng的监听类在测试方法运行结束后进行分析。
代码:
断言类:
package com.demo; import java.util.ArrayList; import java.util.List; import org.testng.Assert; public class Assertion { public static boolean flag = true; public static List<Error> errors = new ArrayList<Error>(); public static void verifyEquals(Object actual, Object expected){ try{ Assert.assertEquals(actual, expected); }catch(Error e){ errors.add(e); flag = false; } } public static void verifyEquals(Object actual, Object expected, String message){ try{ Assert.assertEquals(actual, expected, message); }catch(Error e){ errors.add(e); flag = false; } } }
监听类:
package com.demo;
import java.util.ArrayList;
import java.util.List;
import org.testng.ITestResult;
import org.testng.TestListenerAdapter;
public class AssertionListener extends TestListenerAdapter {
@Override
public void onTestStart(ITestResult result) {
Assertion.flag = true;
Assertion.errors.clear();
}
@Override
public void onTestFailure(ITestResult tr) {
this.handleAssertion(tr);
}
@Override
public void onTestSkipped(ITestResult tr) {
this.handleAssertion(tr);
}
@Override
public void onTestSuccess(ITestResult tr) {
this.handleAssertion(tr);
}
private int index = 0;
private void handleAssertion(ITestResult tr){
if(!Assertion.flag){
Throwable throwable = tr.getThrowable();
if(throwable==null){
throwable = new Throwable();
}
StackTraceElement[] traces = throwable.getStackTrace();
StackTraceElement[] alltrace = new StackTraceElement[0];
for (Error e : Assertion.errors) {
StackTraceElement[] errorTraces = e.getStackTrace();
StackTraceElement[] et = this.getKeyStackTrace(tr, errorTraces);
StackTraceElement[] message = new StackTraceElement[]{new StackTraceElement("message : "+e.getMessage()+" in method : ", tr.getMethod().getMethodName(), tr.getTestClass().getRealClass().getSimpleName(), index)};
index = 0;
alltrace = this.merge(alltrace, message);
alltrace = this.merge(alltrace, et);
}
if(traces!=null){
traces = this.getKeyStackTrace(tr, traces);
alltrace = this.merge(alltrace, traces);
}
throwable.setStackTrace(alltrace);
tr.setThrowable(throwable);
Assertion.flag = true;
Assertion.errors.clear();
tr.setStatus(ITestResult.FAILURE);
}
}
private StackTraceElement[] getKeyStackTrace(ITestResult tr, StackTraceElement[] stackTraceElements){
List<StackTraceElement> ets = new ArrayList<StackTraceElement>();
for (StackTraceElement stackTraceElement : stackTraceElements) {
if(stackTraceElement.getClassName().equals(tr.getTestClass().getName())){
ets.add(stackTraceElement);
index = stackTraceElement.getLineNumber();
}
}
StackTraceElement[] et = new StackTraceElement[ets.size()];
for (int i = 0; i < et.length; i++) {
et[i] = ets.get(i);
}
return et;
}
private StackTraceElement[] merge(StackTraceElement[] traces1, StackTraceElement[] traces2){
StackTraceElement[] ste = new StackTraceElement[traces1.length+traces2.length];
for (int i = 0; i < traces1.length; i++) {
ste[i] = traces1[i];
}
for (int i = 0; i < traces2.length; i++) {
ste[traces1.length+i] = traces2[i];
}
return ste;
}
}
测试类:
package com.demo; import org.testng.annotations.Listeners; import org.testng.annotations.Test; @Listeners({com.demo.AssertionListener.class}) public class Test14 { @Test public void testAssert3(){ Assertion.verifyEquals(2, 3, "比较两个数是否相等:"); Assertion.verifyEquals(1, 2, "比较两个数是否相等:"); } @Test public void testAssert4(){ Assertion.verifyEquals(4, 3, "比较两个数是否相等:"); Assertion.verifyEquals(2, 2, "比较两个数是否相等:"); } }
JAVA结合testng断言verify(断言失败不中断继续执行)
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原文地址:http://www.cnblogs.com/zhangfei/p/4450259.html