Handle file upload with Selenium Server Standalone

Question

I try to execute testsuite on a remote host with use of Selenium Standalone Server. It should upload a file. I use code below to handle file uploads:

FileBrowserDialogHandler fileBrowserDialogHandler = new FileBrowserDialogHandler();
fileBrowserDialogHandler.fileUploadDialog(fileSource);

It doesn't work when I execute it remotely, because it is not able to open file chooser window. Input field looks like this on webpage:

<input type="text" id="file-path">

I replaced current solution with WebElement based one to avoid graphical window, but it doesn't work.

WebElement fileInput = driver.findElement(By.id("filepathelement"));
fileInput.sendKeys(filepath);

Input type is not file, so code below is not working:

driver.findElement(By.id("myUploadElement")).sendKeys("<absolutePathToMyFile>");

Possible duplicate of How to upload file using Selenium WebDriver in Java — JeffC
– JeffC, Commented Sep 15, 2017 at 13:33
@JeffC : It is not a duplicate, because type of field is different and that solution isn't works in this case. — plaidshirt
– plaidshirt, Commented Sep 15, 2017 at 20:07

Yash · Accepted Answer · 2017-10-26 11:05:23Z

Upload a file using Java Selenium: sendKeys() or Robot Class.

This method is to Set the specified file-path to the ClipBoard.

Copy data to ClipBoard as.
- WIN [ Ctrl + C ]
- MAC [ Command ⌘ + C ] - way to tell full Path of file.

public static void setClipboardData(String filePath) {
    StringSelection stringSelection = new StringSelection( filePath );
    Toolkit.getDefaultToolkit().getSystemClipboard().setContents(stringSelection, null);
}

Locate the file on Finder Window and press OK to select the file.
- WIN [ Ctrl + V ]
- MAC
  - "Go To Folder" - Command ⌘ + Shift + G.
  - Paste - Command ⌘ + V and
  - press OK to open it.

enum Action {
    WIN, MAC, LINUX, SEND_KEYS;
}
public static boolean FileUpload(String locator, String filePath, Action type) {
    WebDriverWait explicitWait = new WebDriverWait(driver, 10);

    WebElement element = explicitWait.until(ExpectedConditions.elementToBeClickable( By.xpath(locator) ));
    if( type == Action.SEND_KEYS ) {
        element.sendKeys( filePath );
        return true;
    } else {
        try {
            element.click();

            Thread.sleep( 1000 * 5 );

            setClipboardData(filePath);

            Robot robot = new Robot();
            if( type == Action.MAC ) { // Apple's Unix-based operating system.

                // “Go To Folder” on Mac - Hit Command+Shift+G on a Finder window.
                robot.keyPress(KeyEvent.VK_META);
                robot.keyPress(KeyEvent.VK_SHIFT);
                robot.keyPress(KeyEvent.VK_G);
                robot.keyRelease(KeyEvent.VK_G);
                robot.keyRelease(KeyEvent.VK_SHIFT);
                robot.keyRelease(KeyEvent.VK_META);

                // Paste the clipBoard content - Command ⌘ + V.
                robot.keyPress(KeyEvent.VK_META);
                robot.keyPress(KeyEvent.VK_V);
                robot.keyRelease(KeyEvent.VK_V);
                robot.keyRelease(KeyEvent.VK_META);

                // Press Enter (GO - To bring up the file.)
                robot.keyPress(KeyEvent.VK_ENTER);
                robot.keyRelease(KeyEvent.VK_ENTER);
                return true;
            } else if ( type == Action.WIN || type == Action.LINUX ) { // Ctrl + V to paste the content.

                robot.keyPress(KeyEvent.VK_CONTROL);
                robot.keyPress(KeyEvent.VK_V);
                robot.keyRelease(KeyEvent.VK_V);
                robot.keyRelease(KeyEvent.VK_CONTROL);
            }

            robot.delay( 1000 * 4 );

            robot.keyPress(KeyEvent.VK_ENTER);
            robot.keyRelease(KeyEvent.VK_ENTER);
            return true;
        } catch (AWTException e) {
            e.printStackTrace();
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }
    return false;
}

File Upload Test :- You can find fileUploadBytes.html file by clicking on Try it Yourself.

public static void uploadTest( RemoteWebDriver driver ) throws Exception {
    //driver.setFileDetector(new LocalFileDetector());
    String baseUrl = "file:///D:/fileUploadBytes.html";
    driver.get( baseUrl );
    driver.manage().timeouts().implicitlyWait(30, TimeUnit.SECONDS);

    FileUpload("//input[1]", "D:\\log.txt", Action.SEND_KEYS);

    Thread.sleep( 1000 * 10 );

    FileUpload("//input[1]", "D:\\DB_SQL.txt", Action.WIN);

    Thread.sleep( 1000 * 10 );

    driver.quit();
}

For more information see my post.

StackRover · Accepted Answer · 2018-05-23 23:44:24Z

The file(s) in question should be available on the machine (be it local or remote server) that your program is running on, for example, in your /resources directory

On your local machine, this should work.

chooseFileElement.waitForVisible().type("/file/path/filename.jpg");
clickButton("Attach File");

On Remote Server however, you need to associate a new instance of LocalFileDetector to the <input type=file> element.

LocalFileDetector detector = new LocalFileDetector();
File localFile = detector.getLocalFile("/file/path/filename.jpg");
RemoteWebElement input = (RemoteWebElement) myDriver().findElement(By.id("fileUpload"));
input.setFileDetector(detector);
input.sendKeys(localFile.getAbsolutePath());
clickButton("Attach File");

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