| Introduction to Selenium |
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| Introduction to Automation Testing |
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| Selenium WebDriver Basics |
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| Understanding WebDriver |
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| First Selenium Script |
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| Locating Web Elements |
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| WebDriver Commands |
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| Advanced Web Element Interaction |
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| Synchronization in Selenium |
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| Implicit Wait |
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| Fluent Wait |
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| Working with Different Browsers |
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| Setting up WebDriver for different browsers |
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| Cross-Browser Testing |
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| Handling Advanced User Interactions |
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| Mouse Actions |
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| Keyboard Actions |
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| Page Object Model (POM) |
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| Introduction to POM |
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| Implementing POM |
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| TestNG Framework |
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| Introduction to TestNG |
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| Creating and Running TestNG Tests |
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TestNG (Test Next Generation) is a testing framework inspired by JUnit and NUnit but designed to cover a wider range of test categories: unit, functional, end-to-end, integration, etc. It’s particularly popular in the Java ecosystem for testing, including Selenium tests. TestNG offers powerful features, such as annotations, flexible test configuration, and powerful test execution, which make it a good fit for Selenium testing.
Key Features of TestNG
- Annotations: TestNG provides various annotations that help in managing the test lifecycle.
- Test Configuration: You can easily configure tests using XML files.
- Parallel Execution: TestNG allows running tests in parallel, which reduces execution time.
- Dependency Testing: You can specify dependencies among test methods.
- Grouping of Tests: It allows grouping of test methods for better organization.
- Data-Driven Testing: TestNG supports data-driven testing using
@DataProvider.
Key Annotations in TestNG
@Test: Marks a method as a test method.@BeforeSuite,@AfterSuite: Execute methods before/after all tests in the suite.@BeforeTest,@AfterTest: Execute methods before/after any test method.@BeforeClass,@AfterClass: Execute methods before/after the first method in the current class is invoked.@BeforeMethod,@AfterMethod: Execute methods before/after each test method.@DataProvider: Used to provide data for test methods.
Example of TestNG in Selenium
Here’s an example demonstrating how to use TestNG with Selenium WebDriver in a basic test scenario.
Step 1: Setup Maven Project
Add the following dependencies in your pom.xml:
<dependencies>
<dependency>
<groupId>org.seleniumhq.selenium</groupId>
<artifactId>selenium-java</artifactId>
<version>4.9.0</version>
</dependency>
<dependency>
<groupId>org.testng</groupId>
<artifactId>testng</artifactId>
<version>7.7.1</version>
<scope>test</scope>
</dependency>
</dependencies>
Step 2: Create a TestNG Test Class
import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.chrome.ChromeDriver;
import org.testng.annotations.AfterClass;
import org.testng.annotations.BeforeClass;
import org.testng.annotations.Test;
public class GoogleSearchTest {
private WebDriver driver;
@BeforeClass
public void setUp() {
System.setProperty("webdriver.chrome.driver", "path/to/chromedriver");
driver = new ChromeDriver();
driver.manage().window().maximize();
}
@Test
public void searchTest() {
driver.get("https://www.google.com");
WebElement searchBox = driver.findElement(By.name("q"));
searchBox.sendKeys("TestNG with Selenium");
searchBox.submit();
String title = driver.getTitle();
assert title.contains("TestNG with Selenium");
}
@AfterClass
public void tearDown() {
if (driver != null) {
driver.quit();
}
}
}
Step 3: Create a TestNG XML File
Create an XML file to configure and run your tests.
<!DOCTYPE suite SYSTEM "http://testng.org/testng-1.0.dtd">
<suite name="Selenium Test Suite">
<test name="Google Search Test">
<classes>
<class name="com.example.tests.GoogleSearchTest"/>
</classes>
</test>
</suite>
Step 4: Run the Test
You can run the test in multiple ways:
- Using the TestNG plugin in your IDE (like IntelliJ IDEA or Eclipse).
- Using the command line:
mvn test
3. Running the XML file directly by right-clicking and selecting “Run As -> TestNG Suite” in your IDE.
Advanced Features
Data-Driven Testing with @DataProvider
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;
public class SearchDataProviderTest {
@DataProvider(name = "searchData")
public Object[][] createData() {
return new Object[][]{
{"TestNG with Selenium"},
{"Selenium WebDriver"},
{"Java Selenium"}
};
}
@Test(dataProvider = "searchData")
public void searchTest(String query) {
// WebDriver code to perform search with the query
}
}
Parallel Execution
Configure parallel execution in your TestNG XML file.
<suite name="Selenium Test Suite" parallel="tests" thread-count="3">
<test name="Test1">
<classes>
<class name="com.example.tests.TestClass1"/>
</classes>
</test>
<test name="Test2">
<classes>
<class name="com.example.tests.TestClass2"/>
</classes>
</test>
</suite>
TestNG is a robust framework that enhances the capabilities of Selenium WebDriver for testing. Its rich feature set, including annotations, flexible configuration, parallel execution, and data-driven testing, makes it a powerful tool for automating web applications testing.
