XPath with text() in Selenium Python - Test Execution Trace

Test Overview

This test opens a webpage, finds a button using XPath with the text() function, clicks it, and verifies the expected message appears.

Test Code - Selenium

Selenium Python

from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
import unittest

class TestXPathText(unittest.TestCase):
    def setUp(self):
        self.driver = webdriver.Chrome()
        self.driver.get('https://example.com/buttonpage')

    def test_click_button_by_text(self):
        driver = self.driver
        # Wait until the button with exact text 'Click Me' is present
        button = WebDriverWait(driver, 10).until(
            EC.presence_of_element_located((By.XPATH, "//button[text()='Click Me']"))
        )
        button.click()
        # Wait for the message element to appear
        message = WebDriverWait(driver, 10).until(
            EC.presence_of_element_located((By.ID, 'message'))
        )
        self.assertEqual(message.text, 'Button clicked!')

    def tearDown(self):
        self.driver.quit()

if __name__ == '__main__':
    unittest.main()

Execution Trace - 6 Steps

Step	Action	System State	Assertion	Result
1	Test starts and Chrome browser opens	Browser window is open and navigated to 'https://example.com/buttonpage'	—	PASS
2	Wait until button with text 'Click Me' is present using XPath //button[text()='Click Me']	Button with text 'Click Me' is visible on the page	Element located by XPath with exact text 'Click Me'	PASS
3	Click the button found by XPath	Button is clicked, page reacts to click	—	PASS
4	Wait until element with ID 'message' appears	Message element is visible on the page	Element with ID 'message' is present	PASS
5	Check that message text equals 'Button clicked!'	Message text is 'Button clicked!'	Assert message.text == 'Button clicked!'	PASS
6	Test ends and browser closes	Browser window is closed	—	PASS

Failure Scenario

Failing Condition: Button with text 'Click Me' is not found within 10 seconds

Execution Trace Quiz - 3 Questions

Which XPath expression is used to find the button by its visible text?

A //button[text()='Click Me']

B //button[@id='click']

C //button[contains(text(),'Click')]

D //button[@class='btn']

Key Result

Using XPath with the text() function helps locate elements by their visible text exactly, which is useful when IDs or classes are not reliable.

Practice

1. What does the XPath expression //button[text()='Submit'] select in a web page?

easy

A. A button element containing the word 'Submit' anywhere inside

B. Any element with the attribute text='Submit'

C. A button element with the exact visible text 'Submit'

D. All buttons regardless of their text

Solution

1. Step 1: Understand the XPath syntax

   The expression //button selects all button elements in the page.

2. Step 2: Analyze the text() condition

   The predicate [text()='Submit'] filters buttons whose visible text exactly matches 'Submit'.

3. Final Answer:

   A button element with the exact visible text 'Submit' -> Option C

4. Quick Check:

   XPath with text() matches exact visible text [OK]

Hint: Use text() to match exact visible text in XPath [OK]

Common Mistakes:

• Confusing attribute matching with text()
• Assuming partial text matches work
• Ignoring case sensitivity in text()

2. Which of the following is the correct XPath syntax to select a link (<a>) with the visible text exactly 'Home'?

easy

A. //a[contains(text(), 'Home')]

B. //a[text()='Home']

C. //a[@text='Home']

D. //a[text() = Home]

Solution

1. Step 1: Check the correct use of text() function

   The correct syntax to match exact text is text()='Home' inside square brackets.

2. Step 2: Identify syntax errors in other options

   //a[contains(text(), 'Home')] uses contains() which matches partial text, not exact. //a[@text='Home'] incorrectly treats text as an attribute. //a[text() = Home] misses quotes around 'Home'.

3. Final Answer:

   //a[text()='Home'] -> Option B

4. Quick Check:

   Exact text match requires text()='value' with quotes [OK]

Hint: Exact text match uses text()='value' with quotes [OK]

Common Mistakes:

• Using contains() instead of text() for exact match
• Treating text as an attribute
• Missing quotes around text value

3. Given the following HTML snippet:

<div>
  <span>Login</span>
  <span>Logout</span>
  <span>Login</span>
</div>

What will be the result of this Selenium Python code?

elements = driver.find_elements(By.XPATH, "//span[text()='Login']")
print(len(elements))

medium

A. 2

B. 1

C. 3

D. 0

Solution

1. Step 1: Identify elements matching XPath

   The XPath //span[text()='Login'] selects all <span> elements with exact text 'Login'. There are two such spans in the HTML.

2. Step 2: Count the matched elements

   The find_elements method returns a list of matching elements. Its length is 2.

3. Final Answer:

   2 -> Option A

4. Quick Check:

   Count of spans with text 'Login' = 2 [OK]

Hint: Count elements with exact text using find_elements and len() [OK]

Common Mistakes:

• Assuming only one element matches
• Confusing find_element with find_elements
• Ignoring exact text match requirement

4. You wrote this XPath to find a button with text 'Cancel': //button[text()='Cancel']. But your test fails to find the button. What is the most likely reason?

medium

A. The button text has extra spaces or different case

B. The XPath syntax is invalid

C. The button element does not exist on the page

D. The text() function matches partial text only

Solution

1. Step 1: Check XPath syntax correctness

   The XPath //button[text()='Cancel'] is syntactically correct, so syntax error is unlikely.

2. Step 2: Consider text matching behavior

   The text() function matches exact visible text including spaces and case. If the button text has extra spaces or different case (e.g., ' cancel ' or 'CANCEL'), it won't match.

3. Final Answer:

   The button text has extra spaces or different case -> Option A

4. Quick Check:

   Exact text match fails if spaces or case differ [OK]

Hint: Check exact text including spaces and case for text() [OK]

Common Mistakes:

• Assuming text() matches partial or case-insensitive text
• Ignoring leading/trailing spaces in text
• Blaming XPath syntax without checking text content

5. You want to select a <div> element that contains exactly the text 'Error: Invalid input' but the text may have leading or trailing spaces. Which XPath expression correctly handles this using text() and normalize-space()?

hard

A. //div[normalize-space()='Error: Invalid input']

B. //div[text()='Error: Invalid input']

C. //div[contains(text(), 'Error: Invalid input')]

D. //div[normalize-space(text())='Error: Invalid input']

Solution

1. Step 1: Understand the problem with spaces

   Text may have extra spaces, so exact text()='Error: Invalid input' won't match if spaces differ.

2. Step 2: Use normalize-space() to trim spaces

   normalize-space(text()) removes leading and trailing spaces before comparison, ensuring correct match.

3. Step 3: Evaluate options

   //div[text()='Error: Invalid input'] fails if spaces differ. //div[contains(text(), 'Error: Invalid input')] matches partial text, not exact. //div[normalize-space()='Error: Invalid input'] uses normalize-space() without text(), which may fail if element has multiple text nodes.

4. Final Answer:

   //div[normalize-space(text())='Error: Invalid input'] -> Option D

5. Quick Check:

   Use normalize-space(text()) for exact text ignoring spaces [OK]

Hint: Use normalize-space(text()) to ignore extra spaces in XPath [OK]

Common Mistakes:

• Not trimming spaces before text comparison
• Using contains() for exact match
• Applying normalize-space() incorrectly