Submitting forms in Selenium Java - Practice Problems & Coding Challenges

Challenge - 5 Problems

❓ Predict Output

intermediate

What is the output of this Selenium Java code snippet?

Consider the following Selenium Java code that attempts to submit a form. What will be the result of executing this code?

Selenium Java

WebDriver driver = new ChromeDriver();
driver.get("https://example.com/login");
WebElement form = driver.findElement(By.id("loginForm"));
form.submit();
System.out.println("Form submitted");

A Form submitted (form is submitted successfully)

B NoSuchElementException at findElement(By.id("loginForm"))

C TimeoutException waiting for page load after submit

D ElementNotInteractableException at form.submit()

💡 Hint

The form element is located by its id and submit() is called directly on it.

The code locates the form element by its id and calls submit() on it, which triggers form submission. If the element exists and is a form, the submission succeeds and the print statement executes.

❓ assertion

intermediate

Which assertion correctly verifies form submission success?

After submitting a form, you want to verify that the page URL contains "success". Which assertion is correct in JUnit 5?

Selenium Java

String currentUrl = driver.getCurrentUrl();

A assertFalse(currentUrl.contains("success"));

B assertEquals(currentUrl, "success");

C assertTrue(currentUrl.contains("success"));

D assertNull(currentUrl);

💡 Hint

Check if the URL includes the word 'success' anywhere.

assertTrue(currentUrl.contains("success")) correctly checks that the URL contains the substring 'success'. Other options either check equality or wrong conditions.

❓ locator

advanced

Which locator is best to find the submit button inside a form with id 'signupForm'?

You want to locate the submit button inside the form with id 'signupForm'. Which locator is the most precise and reliable?

A By.xpath("//button[@type='submit']")

B By.cssSelector("#signupForm button[type='submit']")

C By.id("submit")

D By.className("submit-btn")

💡 Hint

Choose a locator that scopes the button inside the specific form.

Option B uses a CSS selector that finds a button with type 'submit' inside the form with id 'signupForm', making it precise and less prone to errors than global selectors.

🔧 Debug

advanced

Why does this Selenium Java code fail to submit the form?

The following code throws an ElementNotInteractableException when calling submit(). What is the likely cause?

Selenium Java

WebElement input = driver.findElement(By.name("username"));
input.submit();

A The input element is not visible on the page

B The driver has not navigated to any page yet

C The locator By.name("username") is incorrect

D submit() called on an input element instead of the form element

💡 Hint

submit() should be called on the form element, not on input fields.

Calling submit() on an input element causes ElementNotInteractableException because only form elements support submit(). The fix is to locate the form and call submit() on it.

❓ framework

expert

Which Selenium Java code snippet correctly waits for form submission to complete by waiting for URL change?

You want to submit a form and wait until the URL changes to confirm submission. Which code snippet correctly implements this using WebDriverWait?

A

String oldUrl = driver.getCurrentUrl();
form.submit();
new WebDriverWait(driver, Duration.ofSeconds(10))
  .until(ExpectedConditions.not(ExpectedConditions.urlToBe(oldUrl)));

B

form.submit();
new WebDriverWait(driver, Duration.ofSeconds(10))
  .until(ExpectedConditions.urlContains("success"));

C

form.submit();
Thread.sleep(10000);

D

String oldUrl = driver.getCurrentUrl();
form.submit();
new WebDriverWait(driver, Duration.ofSeconds(10))
  .until(ExpectedConditions.urlToBe(oldUrl));

💡 Hint

Wait until the URL is no longer the old URL after submission.

Option A stores the old URL, submits the form, then waits until the URL is different from the old one, confirming navigation after submission. Option A waits for a specific substring which may not always be present. Option A uses fixed sleep which is unreliable. Option A waits for the URL to remain the same, which is incorrect.

Practice

1. In Selenium Java, which method is used to submit a form on a web page?

easy

A. submit()

B. click()

C. sendKeys()

D. getText()

Solution

1. Step 1: Understand form submission in Selenium

   The submit() method is designed specifically to submit forms in Selenium.

2. Step 2: Differentiate from other methods

   Methods like click() simulate clicking but do not necessarily submit forms; sendKeys() inputs text; getText() retrieves text.

3. Final Answer:

   submit() -> Option A

4. Quick Check:

   Form submission method = submit() [OK]

Hint: Use submit() to send form data, not click() [OK]

Common Mistakes:

• Using click() instead of submit() to send form
• Confusing sendKeys() with form submission
• Trying to submit without locating form element

2. Which of the following is the correct way to submit a form using Selenium WebDriver in Java?

easy

A. driver.findElement(By.id("formId")).submit();

B. driver.submit(By.id("formId"));

C. driver.findElement(By.id("formId")).click();

D. driver.findElement(By.id("formId")).sendKeys("submit");

Solution

1. Step 1: Locate the form element correctly

   Use findElement(By.id("formId")) to get the form element by its ID.

2. Step 2: Call submit() on the form element

   Calling submit() on the form element sends the form data.

3. Final Answer:

   driver.findElement(By.id("formId")).submit(); -> Option A

4. Quick Check:

   Correct syntax = driver.findElement(...).submit() [OK]

Hint: Call submit() on the form element, not on driver [OK]

Common Mistakes:

• Trying to call submit() directly on driver
• Using click() instead of submit() on form
• Sending keys 'submit' instead of calling submit()

3. What will happen when the following Selenium Java code runs?

WebElement input = driver.findElement(By.name("username"));
input.sendKeys("user1");
input.submit();

medium

A. Only the input field is cleared but form is not submitted.

B. An exception is thrown because submit() cannot be called on input elements.

C. The form containing the input field is submitted with 'user1' as username.

D. The page reloads without submitting any data.

Solution

1. Step 1: Identify element and actions

   The code finds an input field named "username", enters "user1" text, then calls submit() on that input element.

2. Step 2: Understand submit() behavior on child elements

   Calling submit() on any child element inside a form submits the entire form containing that element.

3. Final Answer:

   The form containing the input field is submitted with 'user1' as username. -> Option C

4. Quick Check:

   submit() on input submits parent form [OK]

Hint: submit() on input submits its parent form [OK]

Common Mistakes:

• Thinking submit() only works on form elements
• Expecting submit() to clear input instead of submitting
• Assuming submit() throws exception on input elements

4. Consider this Selenium Java code snippet:

WebElement form = driver.findElement(By.id("loginForm"));
form.click();
form.submit();

What is the main issue with this code?

medium

A. submit() must be called before click() on the form.

B. submit() cannot be called on a form element.

C. The form element is not located correctly.

D. Calling click() on the form element may cause unexpected behavior before submit.

Solution

1. Step 1: Analyze click() on form element

   Calling click() on a form element is unusual and may trigger unexpected UI behavior or errors.

2. Step 2: Confirm submit() usage

   Calling submit() on the form element is correct and will submit the form.

3. Final Answer:

   Calling click() on the form element may cause unexpected behavior before submit. -> Option D

4. Quick Check:

   click() on form is risky; submit() is correct [OK]

Hint: Avoid click() on form; use submit() directly [OK]

Common Mistakes:

• Thinking submit() cannot be called on form
• Assuming click() is needed before submit()
• Ignoring potential side effects of clicking form

5. You want to submit a form that has no id or name attribute but contains a submit button with class "submit-btn". Which Selenium Java code correctly submits the form?

hard

A. driver.findElement(By.className("submit-btn")).submit();

B. driver.findElement(By.className("submit-btn")).click();

C. driver.findElement(By.tagName("form")).submit();

D. driver.findElement(By.tagName("button")).submit();

Solution

1. Step 1: Locate the submit button by class

   Since the form lacks id or name, find the submit button using its class "submit-btn".

2. Step 2: Call click() on the submit button element

   Calling click() on the submit button simulates pressing the button, which submits the form.

3. Final Answer:

   driver.findElement(By.className("submit-btn")).click(); -> Option B

4. Quick Check:

   click() on submit button triggers form submission [OK]

Hint: Submit form by clicking the submit button [OK]

Common Mistakes:

• Using submit() instead of click() on submit button
• Trying to submit form by tagName without verifying uniqueness
• Calling submit() on button tag which may not be inside form