[Solved] What is the main purpose of stubbing in Ruby testing? — Ans: To replace a method's return value with a fake one | Ruby

Ruby - Testing with RSpec and Minitest

What is the main purpose of stubbing in Ruby testing?

ATo check if a method was called with specific arguments

BTo slow down tests by adding delays

CTo run the actual method code during tests

DTo replace a method's return value with a fake one

Step-by-Step Solution

Solution:

Step 1: Understand stubbing concept
Stubbing means replacing a method's output with a fake value to control test behavior.
Step 2: Differentiate from mocking
Mocking checks method calls, but stubbing focuses on return values.
Final Answer:
To replace a method's return value with a fake one -> Option D
Quick Check:
Stubbing = fake return value [OK]

Quick Trick: Stubs fake returns; mocks check calls [OK]

Common Mistakes:

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