Скачать или смотреть Lesson 05 - Manual Testing Concepts - What is Black Box Testing

Lesson 05 - Manual Testing Concepts - What is Black Box Testing

🧩 What is Black Box Testing?
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Black Box Testing is a software testing technique in which the tester evaluates the functionality
of an application without knowing the internal code, structure, or implementation of the software.

The focus is purely on inputs and outputs — that is, what the software is supposed to do,
not how it does it.

Let Us understand it by example
Complete Place Order Flow on https://demoblaze.com/index.html


⚙️ Key Characteristics:
Tester has no access to source code.
Testing is based on requirements and specifications.
Focuses on user interface, functionality, and behavior.


🧠 Advantages:
No programming knowledge required.
Helps identify missing functionalities.
Tests from a user’s perspective.

⚠️ Disadvantages:
Limited coverage of internal logic.
Can miss logical or structural errors.


🔍 Common Black Box Testing Techniques:
Equivalence Partitioning (EP):
Boundary Value Analysis (BVA):
Decision Table Testing:
State Transition Testing:
Error Guessing:


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