Why You Should Stop Doing Unit and Integration Testing - Embrace Modular Testing Instead!

In this episode, I challenge conventional testing methods and present a new approach—modular testing. I argue against traditional unit, integration, and system end-to-end testing, highlighting their inefficiencies and complexities. Instead, I introduce modular testing, where the focus is on testing only the external API of a module. This method aligns with good modular design principles and significantly reduces test maintenance effort. By testing just the API, the process becomes simpler, more agile, and scalable. I provide insights into the five essential elements of modular design and discuss how modular testing can enhance overall software quality while keeping testing efforts manageable.

• 00:00 Introduction to Automated Testing
• 01:03 Standard Testing - A Review
• 01:43 Unit Testing
• 03:06 Integration Testing
• 04:57 System Testing
• 06:59 Modular Testing
• 08:25 Modular Design Recap
• 12:11 Benefits of Modular Testing
• 16:30 Modular Testing IS Unit Testing, but better...
• 18:40 Modular Testing IS Integration Testing, but better...
• 22:46 System Testing? It's Modules All the Way Down...
• 24:23 Conclusion and Final Thoughts
• 25:48 Outro

Related C&O Episodes:

• E12 - Get Complexity-Fighting Super Powers with Modules https://youtu.be/cj81OhXpQCU
• E13 - The 5 Essential Elements of Modular Software Design https://youtu.be/V_mOC8I86ic

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