How to Integrate Selenium with Python Logging for Better Test Reports

How to Integrate Selenium with Python Logging for Better Test Reports

Integrating Selenium with Python’s built-in logging module is a best practice for producing detailed and structured test reports. Logging helps you monitor test execution, capture key actions, and diagnose failures without relying solely on console output or manual inspection.


✅ Why Use Logging in Selenium Tests?

Better debugging of test failures


Track test flow and actions (clicks, inputs, navigation)


Save logs to file for audit or CI/CD reports


Different log levels for better filtering


🧰 Step-by-Step: Integrate Selenium with Python Logging

🔹 Step 1: Import Required Modules

python

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import logging

from selenium import webdriver

from selenium.webdriver.common.by import By

🔹 Step 2: Configure Logging

python

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logging.basicConfig(

    filename='test_log.log',     # Log file name

    filemode='w',                # Overwrite on each run

    format='%(asctime)s - %(levelname)s - %(message)s',

    level=logging.INFO           # Log level

)

💡 You can use logging.DEBUG for more detailed output.


🔹 Step 3: Use Logging in Your Selenium Tests

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def test_google_search():

    logging.info("Starting the test: test_google_search")


    try:

        driver = webdriver.Chrome()

        logging.info("Launched Chrome browser")


        driver.get("https://www.google.com")

        logging.info("Navigated to Google")


        search_box = driver.find_element(By.NAME, "q")

        search_box.send_keys("Selenium with Python logging")

        logging.info("Entered search query")


        search_box.submit()

        logging.info("Submitted the search")


        assert "Selenium" in driver.title

        logging.info("Test passed: Title contains 'Selenium'")


    except Exception as e:

        logging.error("Test failed: %s", str(e))

        raise


    finally:

        driver.quit()

        logging.info("Browser closed")

🧪 Sample Output (test_log.log)

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2025-06-11 14:35:22,305 - INFO - Starting the test: test_google_search

2025-06-11 14:35:23,105 - INFO - Launched Chrome browser

2025-06-11 14:35:24,122 - INFO - Navigated to Google

2025-06-11 14:35:25,134 - INFO - Entered search query

2025-06-11 14:35:25,541 - INFO - Submitted the search

2025-06-11 14:35:26,980 - INFO - Test passed: Title contains 'Selenium'

2025-06-11 14:35:27,001 - INFO - Browser closed

🧩 Tips for Better Logging Integration

Feature Benefit

logger = logging.getLogger(__name__) Use module-level logging for complex projects

logging.debug() Use for verbose, internal info

logging.warning() Highlight unexpected but non-breaking issues

logging.error() For exceptions and test failures

Use pytest + --log-cli-level Real-time log output in terminal


🛠 Bonus: Use pytest with Logging

Install pytest if needed:


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pip install pytest

Run with logging:


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pytest test_script.py --log-cli-level=INFO

This shows logs live in the terminal while still saving them to file.


✅ Summary

Task Code

Set up logger logging.basicConfig(...)

Log test steps logging.info("Step description")

Handle exceptions logging.error("Error", exc_info=True)

Save logs Use filename='logfile.log'

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