Python Advance | Chapter 10: Testing, Debugging, and Logging by Prakhar Chauhan | Learn Smarter
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Chapter 10: Testing, Debugging, and Logging

Chapter 10: Testing, Debugging, and Logging

Writing effective tests, applying debugging techniques, and implementing efficient logging are crucial for robust software development. These practices help ensure code correctness, maintainability, and reliability, allowing developers to build professional Python applications. Mastering these tools leads to the overall improvement of software quality.

34 sections

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Sections

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  1. 1
    Writing Unit Tests With Unit Test

    This section introduces unit testing in Python using the unittest framework,...

  2. 1.1
    What Is Unit Testing?

    Unit testing verifies individual components of code to ensure expected behavior.

  3. 1.2
    The Unittest Module

    The unittest module in Python provides a framework for creating and running...

  4. 1.3
    Creating A Test Case

    This section covers how to create and organize test cases using Python's...

  5. 1.4
    Key Features

    This section outlines the key features of Python's unittest and pytest...

  6. 1.5
    Best Practices

    This section outlines the best practices for effective software testing and...

  7. 2
    Using Pytest For Advanced Testing

    This section introduces pytest, a powerful testing framework in Python that...

  8. 2.1

    pytest offers advanced testing features such as minimal boilerplate,...

  9. 2.2
    Why Use Pytest?

    pytest is a powerful and flexible testing framework that simplifies the...

  10. 2.3
    Simple Test Example

    The Simple Test Example section introduces the pytest framework for writing...

  11. 2.4

    Fixtures in testing provide a consistent environment to run tests, ensuring...

  12. 2.5
    Parameterized Tests

    Parameterized tests in pytest allow the execution of test functions with...

  13. 2.6
    Rich Plugin Ecosystem

    The rich plugin ecosystem in pytest extends its functionality, enabling...

  14. 3
    Mocking And Patching

    This section introduces mocking and patching in testing, outlining their...

  15. 3.1
    The Need For Mocking

    Mocking is a strategy in testing that involves replacing external...

  16. 3.2
    The Unittest.mock Module

    The unittest.mock module is a powerful tool in Python for testing, allowing...

  17. 3.3
    Basic Mock Example
  18. 3.4
    Patching Objects

    This section focuses on patching objects in Python tests to improve...

  19. 3.5
    Tips For Effective Mocking

    Effective mocking is crucial for isolating dependencies during tests to...

  20. 4
    Debugging Techniques And Tools

    This section covers essential debugging techniques and tools available in...

  21. 4.1
    Debugging Overview

    Debugging is the systematic process of identifying and correcting defects in...

  22. 4.2

    This section introduces Python’s built-in debugger, pdb, highlighting its...

  23. 4.3

    This section covers the essential usage of testing frameworks, mocking,...

  24. 4.4

    This section explores how to use the ipdb debugger for interactive debugging...

  25. 4.5
    Ide Debuggers

    This section covers the utilization of Integrated Development Environment...

  26. 4.6
    Debugging Best Practices

    This section outlines essential practices for effective debugging in...

  27. 5
    Logging Best Practices With The Logging Module

    This section covers the essentials of implementing logging in Python,...

  28. 5.1
    Why Logging?

    Logging is essential in software development as it provides insight into...

  29. 5.2

    The section covers essential practices for setting up tests in Python to...

  30. 5.3

    Log levels help categorize logs by severity, making it easier to filter and...

  31. 5.4
    Configuring Loggers

    This section covers how to configure logging in Python applications for...

  32. 5.5
    Writing To Files

    This section discusses the importance of logging in applications, focusing...

  33. 5.6
    Best Practices

    Best practices in software development focus on writing effective tests and...

  34. 6

    This section provides an overview of key practices and tools essential for...

What we have learnt

  • Unit testing ensures code behaves as expected and helps catch bugs early.
  • Mocking allows isolation from external dependencies to create reliable tests.
  • Debugging tools help identify issues in code, while logging provides insight into runtime behavior.

Key Concepts

-- Unit Testing
A practice of testing individual components of code in isolation to ensure their correctness.
-- unittest Module
Python's built-in framework for organizing tests, handling assertions, and managing test cases.
-- pytest
A powerful testing framework that simplifies writing tests with advanced features such as fixtures and parameterized tests.
-- Mocking
Replacing external dependencies with controllable stand-ins for reliable tests.
-- Debugging
The process of finding and resolving defects or problems in code.
-- Logging
The practice of recording information about a program’s execution to track issues and understand behavior.

Additional Learning Materials

Supplementary resources to enhance your learning experience.