转载：TestNG-使用extentreports生成漂亮的HTMLReport

参考文件：
https://blog.csdn.net/hujyhfwfh2/article/details/84950119

导入Maven依赖

<dependency> <groupId>com.aventstack</groupId> <artifactId>extentreports</artifactId> <version>3.0.3</version> </dependency>

编写ExtentTestNGIReporterListener监听器

ExtentTestNGIReporterListener监听器主要用于生成HTMLReport使用

`
package Listeners;

import com.aventstack.extentreports.ExtentReports;
import com.aventstack.extentreports.ExtentTest;
import com.aventstack.extentreports.ResourceCDN;
import com.aventstack.extentreports.Status;
import com.aventstack.extentreports.model.TestAttribute;
import com.aventstack.extentreports.reporter.ExtentHtmlReporter;
import com.aventstack.extentreports.reporter.configuration.ChartLocation;
import org.testng.*;
import org.testng.xml.XmlSuite;

import java.io.File;
import java.util.*;

/**

• Created by yangbin on 18/12/10.
  */
  public class ExtentTestNGIReporterListener implements IReporter {
  // 生成的路径以及文件名
  private static final String OUTPUT_FOLDER = "test-output/";
  //注意这里如果用index.html可能会导致testng的report会覆盖它
  private static final String FILE_NAME = "report.html";

  private ExtentReports extent;

  @Override
  public void generateReport(List xmlSuites, List suites, String outputDirectory) {
  init();
  boolean createSuiteNode = false;
  if (suites.size() > 1) {
  createSuiteNode = true;
  }
  for (ISuite suite : suites) {
  Map<String, ISuiteResult> result = suite.getResults();
  // 如果suite里面没有任何用例，直接跳过，不在报告里生成
  if (result.size() == 0) {
  continue;
  }
  // 统计suite下的成功、失败、跳过的总用例数
  int suiteFailSize = 0;
  int suitePassSize = 0;
  int suiteSkipSize = 0;
  ExtentTest suiteTest = null;
  // 存在多个suite的情况下，在报告中将同一个一个suite的测试结果归为一类，创建一级节点。
  if (createSuiteNode) {
  suiteTest = extent.createTest(suite.getName()).assignCategory(suite.getName());
  }
  boolean createSuiteResultNode = false;
  if (result.size() > 1) {
  createSuiteResultNode = true;
  }
  for (ISuiteResult r : result.values()) {
  ExtentTest resultNode;
  ITestContext context = r.getTestContext();
  if (createSuiteResultNode) {
  // 没有创建suite的情况下，将在SuiteResult的创建为一级节点，否则创建为suite的一个子节点。
  if (null == suiteTest) {
  resultNode = extent.createTest(r.getTestContext().getName());
  } else {
  resultNode = suiteTest.createNode(r.getTestContext().getName());
  }
  } else {
  resultNode = suiteTest;
  }
  if (resultNode != null) {
  resultNode.getModel().setName(suite.getName() + " : " + r.getTestContext().getName());
  if (resultNode.getModel().hasCategory()) {
  resultNode.assignCategory(r.getTestContext().getName());
  } else {
  resultNode.assignCategory(suite.getName(), r.getTestContext().getName());
  }
  resultNode.getModel().setStartTime(r.getTestContext().getStartDate());
  resultNode.getModel().setEndTime(r.getTestContext().getEndDate());
  // 统计SuiteResult下的数据
  int passSize = r.getTestContext().getPassedTests().size();
  int failSize = r.getTestContext().getFailedTests().size();
  int skipSize = r.getTestContext().getSkippedTests().size();
  suitePassSize += passSize;
  suiteFailSize += failSize;
  suiteSkipSize += skipSize;
  if (failSize > 0) {
  resultNode.getModel().setStatus(Status.FAIL);
  }
  resultNode.getModel().setDescription(
  String.format("Pass: %s ; Fail: %s ; Skip: %s ;", passSize, failSize, skipSize));
  }
  buildTestNodes(resultNode, context.getFailedTests(), Status.FAIL);
  buildTestNodes(resultNode, context.getSkippedTests(), Status.SKIP);
  buildTestNodes(resultNode, context.getPassedTests(), Status.PASS);
  }
  if (suiteTest != null) {
  suiteTest.getModel().setDescription(
  String.format("Pass: %s ; Fail: %s ; Skip: %s ;", suitePassSize, suiteFailSize, suiteSkipSize));
  if (suiteFailSize > 0) {
  suiteTest.getModel().setStatus(Status.FAIL);
  }
  }

   }
   // for (String s : Reporter.getOutput()) {
   // extent.setTestRunnerOutput(s);
   // }
  
   extent.flush();
  

  }

  private void init() {
  // 文件夹不存在的话进行创建
  File reportDir = new File(OUTPUT_FOLDER);
  if (!reportDir.exists() && !reportDir.isDirectory()) {
  reportDir.mkdir();
  }
  ExtentHtmlReporter htmlReporter = new ExtentHtmlReporter(OUTPUT_FOLDER + FILE_NAME);
  // 设置静态文件的DNS
  //怎么样解决cdn.rawgit.com访问不了的情况
  htmlReporter.config().setResourceCDN(ResourceCDN.EXTENTREPORTS);
  htmlReporter.config().setDocumentTitle("api自动化测试报告");
  htmlReporter.config().setReportName("api自动化测试报告");
  htmlReporter.config().setChartVisibilityOnOpen(true);
  //报表位置
  htmlReporter.config().setTestViewChartLocation(ChartLocation.TOP);
  // htmlReporter.config().setTheme(Theme.STANDARD);
  htmlReporter.config().setCSS(".node.level-1 ul{ display:none;} .node.level-1.active ul{display:block;}");
  extent = new ExtentReports();
  extent.attachReporter(htmlReporter);
  extent.setReportUsesManualConfiguration(true);
  }

  private void buildTestNodes(ExtentTest extenttest, IResultMap tests, Status status) {
  // 存在父节点时，获取父节点的标签
  String[] categories = new String[0];
  if (extenttest != null) {
  List categoryList = extenttest.getModel().getCategoryContext().getAll();
  categories = new String[categoryList.size()];
  for (int index = 0; index < categoryList.size(); index++) {
  categories[index] = categoryList.get(index).getName();
  }
  }

   ExtentTest test;
  
   if (tests.size() > 0) {
   	// 调整用例排序，按时间排序
   	Set<ITestResult> treeSet = new TreeSet<ITestResult>(new Comparator<ITestResult>() {
   		@Override
   		public int compare(ITestResult o1, ITestResult o2) {
   			return o1.getStartMillis() < o2.getStartMillis() ? -1 : 1;
   		}
   	});
   	treeSet.addAll(tests.getAllResults());
   	for (ITestResult result : treeSet) {
   		Object[] parameters = result.getParameters();
   		String name = "";
   		// 如果有参数，则使用参数的toString组合代替报告中的name
   		for (Object param : parameters) {
   			name += param.toString();
   		}
   		if (name.length() > 0) {
   			if (name.length() > 50) {
   				name = name.substring(0, 49) + "...";
   			}
   		} else {
   			name = result.getMethod().getMethodName();
   		}
   		if (extenttest == null) {
   			test = extent.createTest(name);
   		} else {
   			// 作为子节点进行创建时，设置同父节点的标签一致，便于报告检索。
   			test = extenttest.createNode(name).assignCategory(categories);
   		}
   		// test.getModel().setDescription(description.toString());
   		// test = extent.createTest(result.getMethod().getMethodName());
   		for (String group : result.getMethod().getGroups())
   			test.assignCategory(group);
  
   		List<String> outputList = Reporter.getOutput(result);
   		for (String output : outputList) {
   			// 将用例的log输出报告中
   			test.debug(output);
   		}
   		if (result.getThrowable() != null) {
   			test.log(status, result.getThrowable());
   		} else {
   			test.log(status, "Test " + status.toString().toLowerCase() + "ed");
   		}
  
   		test.getModel().setStartTime(getTime(result.getStartMillis()));
   		test.getModel().setEndTime(getTime(result.getEndMillis()));
   	}
   }
  

  }

  private Date getTime(long millis) {
  Calendar calendar = Calendar.getInstance();
  calendar.setTimeInMillis(millis);
  return calendar.getTime();
  }
  }

`