Download a File, Import/Upload It to the Application, and Handle Existing Files in Selenium

Introduction 

When using Selenium to automate web applications, downloading files is common. It's essential to manage existing files in the download folder to avoid issues. In this post, we’ll show you how to download a file with Selenium and Cucumber in Java, check for existing files, and delete them before downloading a new one.

Steps to Download a File and Upload It to the Application 

✓Set Up WebDriver

✓Check for Existing Files

✓Delete Old Files

✓Initiate File Download

✓Wait for the Download to Complete

✓Import/Upload the Downloaded File

✓Verify the Upload

Example 

import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;

import java.io.File;

public class FileDownloadExample {

    private static final String DOWNLOAD_DIR = "/path/to/download/folder"; // Specify your download path
    private static final String FILE_NAME = "your_file_name.extension"; // Specify the expected file name

    public static void main(String[] args) {
        WebDriver driver = WebDriverSetup.setupDriver(); // Assuming you have a WebDriver setup method
        driver.get("https://Google.com"); // Change to your application's URL

        // Check for existing files and delete them
        deleteExistingFiles();

        // Initiate file download
        WebElement downloadButton = driver.findElement(By.id("downloadButton")); // Change the locator as needed
        downloadBtn.click();

        // Wait for the file to download
        waitForFileToDownload();

        // Optionally: Import the downloaded file
        importDownloadedFile(driver);

        // Close the driver
        driver.quit();
    }

    private static void deleteExistingFiles() {
        File downloadFolder = new File(DOWNLOAD_DIR);
        if (downloadFolder.exists() && downloadFolder.isDirectory()) {
            File[] existingFiles = downloadFolder.listFiles();
            if (existingFiles != null) {
                for (File file : existingFiles) {
                    if (file.getName().equals(FILE_NAME)) {
                        boolean deleted = file.delete();
                        if (deleted) {
                            System.out.println("Deleted existing file: " + file.getName());
                        } else {
                            System.out.println("Failed to delete file: " + file.getName());
                        }
                    }
                }
            }
        }
    }

    private static void waitForFileToDownload() {
        File file = new File(DOWNLOAD_DIR + "/" + FILE_NAME);
        while (!file.exists()) {
            try {
                Thread.sleep(1000); // Wait for 1 second before checking again
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
    }

    private static void importDownloadedFile(WebDriver driver) {
        WebElement importButton = driver.findElement(By.id("importButton")); // Change the locator as needed
        importButton.click();

        WebElement fileInput = driver.findElement(By.id("fileInput")); // Change the locator as needed
        fileInput.sendKeys(DOWNLOAD_DIR + "/" + FILE_NAME); // Full path to the downloaded file
    }
}

Conclusion

In conclusion, managing file downloads and imports is key to smooth automation. By deleting existing files before downloading, you minimize errors and ensure your scripts run efficiently.