how to run concurrent users using different browsers in selenium for LogIn script

Question

I have created login scripts using hub and nodes.

• execute command to start selenium server
• Started a Hub along with selenium server.
• Started multiple Nodes.
• Worked on scripts and run for Firefox.

But, what should I do to run login script for concurrent users using multiple browser ?

• Helping Hands: Try to use TESTNG with XML.

Answer 1

This load test article is a great walkthru for your scenario - http://www.mkyong.com/unittest/testng-selenium-load-testing-example/

Answer 2

You can checkout my sample test automation project for OrangHRM using Selenium

https://github.com/qamate/orangehrm-selenium-automation

Below is my TestNG.xml file

<!DOCTYPE suite SYSTEM "http://testng.org/testng-1.0.dtd" >
<suite name="smoke-test-suite" parallel="tests" thread-count="5">
<parameter name="ReportLocation" value="reports"></parameter>
<parameter name="remoteURL" value="http://localhost:4444/wd/hub"></parameter>
<!-- <parameter name="baseURL" value="http://opensource.demo.orangehrmlive.com/"></parameter> -->
 <parameter name="baseURL" value="http://www.google.com/"></parameter>
 <parameter name="internal" value="false"></parameter>
 <!--
 <test name="test_ff" >
 <parameter name="OS" value="WIN8_1"></parameter>
 <parameter name="browser" value="firefox"></parameter>
 <parameter name="version" value="34"></parameter>
 <classes>
 <class name="com.qamate.orangehrm_selenium_automation.Tests.LoginTest" >
 </class>
 </classes>
 </test>
 <test name="test_ie" >
 <parameter name="OS" value="WIN8_1"></parameter>
 <parameter name="browser" value="internet explorer"></parameter>
 <parameter name="version" value="34"></parameter>
 <classes>
 <class name="com.qamate.orangehrm_selenium_automation.Tests.LoginTest" >
 </class>
 </classes>
 </test>
 <test name="test_chrome" >
 <parameter name="OS" value="WINDOWS"></parameter>
 <parameter name="browser" value="chrome"></parameter>
 <parameter name="version" value="ANY"></parameter>
 <classes>
 <class name="com.qamate.orangehrm_selenium_automation.Tests.LoginTest" >
 </class>
 </classes>
 </test>-->
 <test name="test_chrome" >
 <parameter name="OS" value="WINDOWS"></parameter>
 <parameter name="browser" value="chrome"></parameter>
 <parameter name="version" value="ANY"></parameter>
 <classes>
 <class name="com.qamate.orangehrm_selenium_automation.Tests.GoogleTest" >
 </class>
 </classes>
 </test>
<!--
 <test name="reportingTest" >
 <classes>
 <class name="com.kagrana.base.BaseActionsTest" >
 </class>
 </classes>
 </test>
 <test name="reportingTest1" >
 <classes>
 <class name="com.kagrana.base.BaseActionsTest1" >
 </class>
 </classes>
 </test>
 <test name="reportingTest2" >
 <classes>
 <class name="com.kagrana.base.BaseActionsTest2" >
 </class>
 </classes>
 </test>
 <test name="reportingTest3" >
 <classes>
 <class name="com.kagrana.base.BaseActionsTest3" >
 </class>
 </classes>
 </test>
 <test name="reportingTest4" >
 <classes>
 <class name="com.kagrana.base.BaseActionsTest4" >
 </class>
 </classes>
 </test>
 -->
</suite>

In the above example, you can see the way I am specifying different browser combinations for different tests as parameters. From your test class you can read these parameters.

E.g. See below class file.

package in.mayurshah.base;
import java.io.IOException;
import java.util.concurrent.TimeUnit;
import in.mayurshah.DTO.WebDriverConfig;
import in.mayurshah.util.Log;
import org.openqa.selenium.WebDriver;
import org.testng.ITestContext;
import org.testng.ITestResult;
import org.testng.annotations.AfterMethod;
import org.testng.annotations.AfterSuite;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.BeforeSuite;
import org.testng.annotations.Optional;
import org.testng.annotations.Parameters;
import in.mayurshah.DTO.TestCase;
public abstract class BaseActions {
 protected WebDriver driver;
 protected static Log log;
 protected WebDriverConfig config;
 protected String baseURL;
 protected TestCase testCase;
 private static int testCaseCount = 1;
 /**
 * This gets invoked even before suite starts.
 * @param ReportLocation - Provide location where you want to store the report
 */
 @Parameters({"ReportLocation"})
 @BeforeSuite
 public void beforeSuite(@Optional String ReportLocation){
 log = new Log();
 log.setReportDirectory(ReportLocation);
 }
 @BeforeMethod
 @Parameters({ "remoteURL", "baseURL", "OS", "browser",
 "version", "internal" })
 public void beforeTest(String remoteURL, String baseURL,
 String OS, String browser, String version, String internal)
 throws IOException {
 this.testCase = new TestCase();
 this.testCase.setExecutionEnvironment("{browser:"+browser+",browserVersion:"+version+",OperatingSystem:"+OS+"}");
 this.testCase.setParentURL(baseURL);
 this.testCase.setTestCaseId("KT"+testCaseCount++);
 this.testCase.setScreenshotDirectory(log.getReportDirectory()+"\\images");
 config = new WebDriverConfig();
 config.setRemoteURL(remoteURL);
 this.baseURL = baseURL;
 config.setOS(OS);
 config.setBrowserName(browser);
 config.setBrowserVersion(version);
 config.setIntenal(Boolean.parseBoolean(internal));
 driver = xRemoteWebDriver.getInstance(config, log);
 driver.manage().window().maximize();
 driver.manage().timeouts().implicitlyWait(30, TimeUnit.SECONDS);
 driver.get(this.baseURL);
 }
 @AfterMethod
 public void afterTest(ITestResult itr) {
 testCase.setExecutionTime((itr.getEndMillis() - itr.getStartMillis()));
 testCase.setTestCaseName(itr.getName());
 log.addTestCase(testCase);
 try {
 driver.close();
 } catch (Exception ignore) {
 }
 try {
 driver.quit();
 } catch (Exception ignore) {
 }
 }
 @AfterSuite
 public void afterSuite(ITestContext itc) throws IOException{
 log.setTestSuiteName(itc.getSuite().getName());
 log.writeReport();
 log.zipAndEmailFile();
 }
}

Hope that helps!