Data Driven Testing With TestNG and Excel

package io.learn.datadriven;

import org.apache.poi.openxml4j.exceptions.InvalidFormatException;
import org.apache.poi.ss.usermodel.*;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;

public class ExcelUtils {

    public static Object[][] getExcelData(String filePath, String sheetName) throws IOException, InvalidFormatException {
        FileInputStream file = new FileInputStream(new File(filePath));
        Workbook workbook = WorkbookFactory.create(file);
        Sheet sheet = workbook.getSheet(sheetName);
        
        int rowCount = sheet.getPhysicalNumberOfRows();
        int colCount = sheet.getRow(0).getPhysicalNumberOfCells();
        
        Object[][] data = new Object[rowCount - 1][colCount]; // To ignore the header row
        
        for (int i = 1; i < rowCount; i++) { // Start from 1 to skip the header row
            for (int j = 0; j < colCount; j++) {
                data[i - 1][j] = sheet.getRow(i).getCell(j).toString();
            }
        }
        workbook.close();
        return data;
    }
}

package io.learn.datadriven;

import org.testng.annotations.DataProvider;
import org.apache.poi.openxml4j.exceptions.InvalidFormatException;
import java.io.IOException;

public class DataProviderExample {

    @DataProvider(name = "loginData")
    public Object[][] provideLoginData() throws IOException, InvalidFormatException {
        // Provide the path to the Excel file and the sheet name
        return ExcelUtils.getExcelData("change the path of excelfile in your local storage\\loginData.xlsx", "Sheet_Name which we give at the bottom in Excel File");
    }
}

package io.learn.datadriven;

import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.chrome.ChromeDriver;
import org.testng.Assert;
import org.testng.annotations.AfterMethod;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Test;

public class LoginTest {

    WebDriver driver;

    @BeforeMethod
    public void setUp() {
        // Initialize the WebDriver (ensure chromedriver path is correct)
    	 System.setProperty("webdriver.chrome.driver", "C:\\Users\\change the path of chromedriver path\\chromedriver.exe");
        driver = new ChromeDriver();
        driver.get("https://www.saucedemo.com/"); // URL of the login page
    }

    @Test(dataProvider = "loginData", dataProviderClass = DataProviderExample.class)
    public void testLogin(String username, String password) {
        // Find elements for username, password, and login button
        WebElement usernameField = driver.findElement(By.id("user-name"));
        WebElement passwordField = driver.findElement(By.id("password"));
        WebElement loginButton = driver.findElement(By.id("login-button"));

        // Clear any existing text from fields
        usernameField.clear();
        passwordField.clear();

        // Input login credentials from DataProvider
        usernameField.sendKeys(username);
        passwordField.sendKeys(password);
        loginButton.click();

        System.out.println("The DataDriven test executed successfully");

        // Validate the login behavior by checking the title of the page
        Assert.assertTrue(driver.getTitle().contains("Swag Labs"));
    }

    @AfterMethod
    public void tearDown() {
        driver.quit();  // Close the browser after each test
    }
}