How can you use nested describe blocks in RSpec to organize tests for a class Calculator with methods add and subtract?

hard📝 Application Q9 of 15

Ruby - Testing with RSpec and Minitest

How can you use nested describe blocks in RSpec to organize tests for a class Calculator with methods add and subtract?

AUse one <code>describe</code> for Calculator, then nested <code>describe</code> blocks for each method.

BUse separate <code>describe</code> blocks for each method without nesting.

CUse <code>it</code> blocks to group methods, not <code>describe</code>.

DAvoid nesting <code>describe</code> blocks; use comments instead.

Step-by-Step Solution

Solution:

Step 1: Understand nested describe usage
Nested describe blocks help organize tests by grouping related methods under a class.
Step 2: Identify correct organization
Using one describe for Calculator and nested ones for add and subtract is the best practice.
Final Answer:
Use one describe for Calculator, then nested describe blocks for each method. -> Option A
Quick Check:
Nested describe = organized tests [OK]

Quick Trick: Nest describe to mirror class and methods [OK]

Common Mistakes:

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