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How to send the login credentials using HtmlUnitDriver and Selenium Java

I'm tring to send the login credentials within the username and password field https://www.vignanits.ac.in/server/moodle/login/index.php which needed to be automated using HtmlUnitDriver but facing NoSuchElementException.
Code trials:
package leela;
import org.openqa.selenium.By;
import org.openqa.selenium.htmlunit.HtmlUnitDriver;
import com.gargoylesoftware.htmlunit.WebClient;
public class LeelaHtmlUnit {
public static void main(String[] args) throws InterruptedException {
HtmlUnitDriver driver = new HtmlUnitDriver(true);
driver.get("https://www.vignanits.ac.in/server/moodle/login/index.php");
System.out.println(driver.getCurrentUrl()+driver.getTitle());
driver.findElement(By.id("username")).sendKeys("xyz");
driver.findElement(By.id("password")).sendKeys("xyz");
driver.findElement(By.id("loginbtn")).click();
System.out.println(driver.getCurrentUrl()+driver.getTitle());
}
}
enter code here

Ideally, to use htmlunit-driver you need to download htmlunit-driver-2.42.0-jar-with-dependencies.jar the latest release as of today.
The below code block works perfect at my end:
import org.openqa.selenium.By;
import org.openqa.selenium.htmlunit.HtmlUnitDriver;
import org.openqa.selenium.support.ui.ExpectedConditions;
import org.openqa.selenium.support.ui.WebDriverWait;
public class HtmlUnitDriverDemo {
public static void main(String[] args) {
HtmlUnitDriver driver = new HtmlUnitDriver();
driver.get("https://www.vignanits.ac.in/server/moodle/login/index.php");
System.out.println(driver.getCurrentUrl()+driver.getTitle());
new WebDriverWait(driver, 20).until(ExpectedConditions.elementToBeClickable(By.id("username")));
driver.findElement(By.id("password")).sendKeys("xyz");
driver.findElement(By.id("loginbtn")).click();
}
}
Console Output:
https://www.vignanits.ac.in/server/moodle/login/index.phpVIGNAN MOODLE: Log in to the site
Reference
You can find a detailed discussion on NoSuchElementException in:
NoSuchElementException, Selenium unable to locate element

Having problems in Selenium example code java

First Error Screen
Second Error Screen
I am running the selenium example code:
import org.openqa.selenium.By;
import org.openqa.selenium.Keys;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.firefox.FirefoxDriver;
import org.openqa.selenium.support.ui.WebDriverWait;
import static org.openqa.selenium.support.ui.ExpectedConditions.presenceOfElementLocated;
import java.time.Duration;
public class HelloSelenium {
public static void main(String[] args) {
WebDriver driver = new FirefoxDriver();
WebDriverWait wait = new WebDriverWait(driver, Duration.ofSeconds(10));
try {
driver.get("https://google.com/ncr");
driver.findElement(By.name("q")).sendKeys("cheese" + Keys.ENTER);
WebElement firstResult = wait.until(presenceOfElementLocated(By.cssSelector("h3>div")));
System.out.println(firstResult.getAttribute("textContent"));
} finally {
driver.quit();
}
}
}
And getting the errors as shown in the screenshots above.
Note that the action is being performed but the last statement in the try block isn't printing the attribute of the firstElement. I understand the problem is not very easy to read but solving should be interesting.
Also I am using the geckodriver (for Firefox) in Manjaro.
And I am using gradle.

It states the error on the debug window.
WebElement firstResult = wait.until(presenceOfElementLocated(By.cssSelector("h3>div")));
An exception is thrown because there is a timeout on the "wait.until" function.
It doesn't find the element you are searching for.
Your css selector is invalid.

I have 100+ button in the page and I have to click on each button and to verify the link and page which opens after clicking

I have 100+ button in the page and I have to click on each button and to verify the link and page which opens after clicking.
so how to click without writing xpath for all 100+ button, i just need to click them and for each button different page will open.
Pls help me to proceed my selenium test

After you click the first button a new DOM is loaded, so click on the second (and third ...) will end with StaleElementReferenceException. You need to get all the href values first and then try them one by one. Just tried on web bbc.com with this code:
package navi;
import java.util.ArrayList;
import java.util.List;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.firefox.FirefoxDriver;
import org.openqa.selenium.firefox.FirefoxOptions;
import org.openqa.selenium.firefox.FirefoxProfile;
import org.openqa.selenium.firefox.internal.ProfilesIni;
import org.openqa.selenium.support.ui.ExpectedConditions;
import org.openqa.selenium.support.ui.WebDriverWait;
public class Himanshu {
public static WebDriver driver;
#BeforeClass
public static void setUpClass() {
FirefoxOptions options = new FirefoxOptions();
ProfilesIni allProfiles = new ProfilesIni();
FirefoxProfile selenium_profile = allProfiles.getProfile("selenium_profile");
options.setProfile(selenium_profile);
options.setBinary("C:\\Program Files (x86)\\Mozilla Firefox\\firefox.exe");
System.setProperty("webdriver.gecko.driver", "C:\\Users\\pburgr\\Desktop\\geckodriver-v0.20.0-win64\\geckodriver.exe");
driver = new FirefoxDriver(options);
driver.manage().window().maximize();
}
#Before public void setUp() {} #After public void tearDown() {}
#AfterClass public static void tearDownClass() {driver.quit();}
#Test
public void lots_of_buttons() throws InterruptedException {
driver.get("http://www.bbc.com/");
// wait to page is fully loaded
wait_sec(driver, 5).until(ExpectedConditions.elementToBeClickable(By.xpath("//*[#id=\"orb-header\"]/div[1]/div[1]/a/img")));
// get all the desired webelements
List<WebElement> header_links = driver.findElements(By.xpath("//a[contains(#href,'x')]"));
// create new arraylist
ArrayList<String> hrefs = new ArrayList<String>();
// collect all the href values
for (WebElement link: header_links) {
hrefs.add(link.getAttribute("href"));
}
// visit all the URLs
for (String url: hrefs) {
driver.get(url);
Thread.sleep(1000);
// do some stuff here
}
}
// modified wait method
public WebDriverWait wait_sec(WebDriver driver, int sec) {
return new WebDriverWait(driver, sec);
}
}

java.lang.module.FindException: while using selenium

I am fairly new to selenium, and I was trying to use some of the scripts being used in tutorials for my practice. I downloaded all the required .JAR files (Chrome drivers, Selenium Java and Stand Alone server) and added it to the path in Eclipse.
Below is the Code which I am trying to run to access a Weblink and then trying to verify if a user is able to log in successfully or not.
package learnautomation;
import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.chrome.ChromeDriver;
public class practice {
public static void main(String[] args) {
System.setProperty("webdriver.chrome.driver", "Mypath\\chromedriver.exe");
WebDriver driver = new ChromeDriver();
driver.get("http://www.gcrit.com/build3/admin/");
driver.findElement(By.name("username")).sendKeys("admin");
driver.findElement(By.name("password")).sendKeys("admin#123");
driver.findElement(By.id("tdb1")).click();
String url = driver.getCurrentUrl();
if (url.equals("http://www.gcrit.com/build3/admin/index.php")){
System.out.println("Successful");
}
else {
System.out.println("Unsuccessful");
}
driver.close();
}
}
While doing this I am getting this error:
"Error occurred during initialization of boot layer
java.lang.module.FindException: Module seleniumnew not found"
Also, import org.openqa.selenium.chrome.ChromeDriver; it says this is not accessible as well when I just hover over it.

try this, just edit paths and package name.
package navi;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.chrome.ChromeDriver;
import org.openqa.selenium.chrome.ChromeOptions;
import org.openqa.selenium.support.ui.ExpectedConditions;
import org.openqa.selenium.support.ui.WebDriverWait;
public class Avi {
public static WebDriver driver;
WebDriverWait wait5s = new WebDriverWait(driver,5);
#BeforeClass
public static void setUpClass() {
System.setProperty("webdriver.chrome.driver", "C:\\Users\\pburgr\\Desktop\\chromedriver\\chromedriver.exe");
ChromeOptions options = new ChromeOptions();
options.addArguments("user-data-dir=C:\\Users\\pburgr\\AppData\\Local\\Google\\Chrome\\User Data");
driver = new ChromeDriver(options);
driver.manage().window().maximize();}
#Before
public void setUp() {}
#After
public void tearDown() {}
#AfterClass
public static void tearDownClass() {driver.close();driver.quit();}
#Test
public void avi() throws InterruptedException {
driver.get("http://www.gcrit.com/build3/admin/");
wait5s.until(ExpectedConditions.elementToBeClickable(By.name("username"))).sendKeys("admin");
driver.findElement(By.name("password")).sendKeys("admin#123");
driver.findElement(By.id("tdb1")).click();
// wait to resolve the click before checking url
Thread.sleep(1000);
String url = driver.getCurrentUrl();
if (url.equals("http://www.gcrit.com/build3/admin/index.php")){
System.out.println("Successful");
}
else {
System.out.println("Unsuccessful");
}
}
}

How to open target ='_blank' Web Element and get it's screenshot?

The testpage I am working on is http://www.quackit.com/html/templates/frames/frames_example_1.html in firefox.
In it I have to click on Code Generator WebElement and take a screenshot of the opened page with Selenium Webdriver, JAVA.
Whatever method I tried, Selenium is giving exception as
Unable to locate element.
It has target as _blank.
Please find the code below
import java.io.File;
import java.io.IOException;
import java.util.concurrent.TimeUnit;
import org.apache.commons.io.FileUtils;
import org.openqa.selenium.By;
import org.openqa.selenium.JavascriptExecutor;
import org.openqa.selenium.Keys;
import org.openqa.selenium.OutputType;
import org.openqa.selenium.Point;
import org.openqa.selenium.TakesScreenshot;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.firefox.FirefoxDriver;
import org.openqa.selenium.interactions.Actions;
import org.openqa.selenium.support.ui.ExpectedConditions;
import org.openqa.selenium.support.ui.WebDriverWait;
public class Quackit {
public static void main(String[] args) throws Exception {
WebDriver driver = new FirefoxDriver();
driver.get("http://www.quackit.com/html/templates/frames/frames_example_1.html");
driver.manage().window().maximize();
driver.manage().timeouts().implicitlyWait(10,TimeUnit.SECONDS);
String parentWindow = driver.getWindowHandle();
WebElement e = driver.findElement(By.linkText("Code Generator "));
// ensure that link always opens in the current window
JavascriptExecutor js = (JavascriptExecutor) driver;
js.executeScript("arguments[0].setAttribute('target', arguments[1]);", e, "_self");
e.click();
for (String winHandle : driver.getWindowHandles()) {
driver.switchTo().window(winHandle); // switch focus of WebDriver to the next found window handle (that's your newly opened window)
}
TakesScreenshot ts = (TakesScreenshot)driver;
File source = ts.getScreenshotAs(OutputType.FILE);
FileUtils.copyFile(source,new File ("./Screenshots/codegenerator.png"));
}
}

This works:
driver.switchTo().frame("content");
WebElement e = driver.findElement(By.xpath("//a[contains(.,'Code Generator')]"));
e.click();
You have to switch to the frame first and should use contains() to locate the element.

The issue is that Code Generator link is inside the frame/iframe. so if elements are inside the frame, first we need to switch into the frame then only we can find elements that frame.
Once work or actions inside frame is completed then need to switch on to default content.
WebDriver driver = new FirefoxDriver();
driver.get("http://www.quackit.com/html/templates/frames/frames_example_1.html");
driver.manage().window().maximize();
driver.manage().timeouts().implicitlyWait(10,TimeUnit.SECONDS);
driver.switchTo().frame("content");
WebElement e = driver.findElement(By.linkText("Code Generator"));
e.click();
driver.switchTo().defaultContent();
//try for window handles here
Thank You,
Murali