Creating Test Suites with Selenium Python

In test automation, managing a large number of test cases can become challenging as your application grows. To address this, testers organize related test cases into test suites, which are collections of tests designed to be executed together. When using Selenium with Python, you can efficiently create, manage, and run test suites using built-in modules like unittest or third-party frameworks like pytest.

This blog explores how to create test suites in Selenium Python, offering examples and best practices for efficient test execution and maintenance.


What is a Test Suite?

A test suite is a logical collection of test cases that can be run together. It helps you:

Group tests by functionality (e.g., login tests, checkout tests)

Execute all or selected tests with a single command

Simplify test reporting and debugging

Improve CI/CD pipeline integration

In Python, unittest.TestSuite or tools like pytest make test suite creation easy and scalable.


Setting Up the Environment

Before you begin, make sure you have the following:

Python installed (3.8+ recommended)

Selenium (pip install selenium)

A browser driver (e.g., ChromeDriver)

Example Folder Structure

bash


/tests

  test_login.py

  test_signup.py

  test_cart.py

suite_runner.py

Each file contains one or more test classes for a specific module or functionality.


Creating Test Suites Using unittest

Let’s walk through a simple example.


Step 1: Write Individual Test Cases

python


# test_login.py

import unittest

from selenium import webdriver


class LoginTest(unittest.TestCase):

    def setUp(self):

        self.driver = webdriver.Chrome()


    def test_valid_login(self):

        self.driver.get("https://example.com/login")

        # Add actions here...

        self.assertIn("Dashboard", self.driver.title)


    def tearDown(self):

        self.driver.quit()

Step 2: Create a Test Suite

python

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Edit

# suite_runner.py

import unittest

from tests.test_login import LoginTest

from tests.test_signup import SignupTest


if __name__ == "__main__":

    suite = unittest.TestSuite()

    suite.addTest(unittest.makeSuite(LoginTest))

    suite.addTest(unittest.makeSuite(SignupTest))


    runner = unittest.TextTestRunner(verbosity=2)

    runner.run(suite)

When you run suite_runner.py, both LoginTest and SignupTest will execute sequentially.


Using pytest for More Flexibility

If you prefer pytest, test discovery and suite execution become even easier.


Example Command:

bash

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pytest tests/ --maxfail=3 --disable-warnings --html=report.html

Automatically finds all test_*.py files


Generates HTML reports (with plugins)


Integrates seamlessly with CI tools


Creating Custom Suites with pytest.mark

python

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@pytest.mark.login

def test_valid_login():

    # test logic

Run all tests in the "login" suite:


bash

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pytest -m login

Best Practices

Keep tests independent: Each test should run in isolation to avoid side effects.

Use setup and teardown methods: For consistent environment initialization and cleanup.

Group logically: Organize suites based on modules, features, or use cases.

Use tags or markers: Helps in filtering which tests to run in CI pipelines.

Generate reports: Tools like pytest-html or unittest-xml-reporting help in debugging and sharing results.


Conclusion

Creating test suites with Selenium Python helps you organize tests efficiently and run them selectively as needed. Whether you're using unittest or pytest, defining structured test suites improves scalability, maintainability, and clarity in your automation framework. As your application grows, a good suite setup becomes essential for continuous testing and faster delivery.


Learn Selenium with Pyhton Training Hyderabad

Read More:  BDD Testing with Behave and Selenium Python
Read More:  Selenium Python Test Framework: PyTest vs. Unittest
Read More:  Using CSV Files for Test Data in Selenium Python



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