[Solved] What does the let method do in Ruby testing frameworks like RSpec? — Ans: Defines a memoized helper method for use in tests | Ruby

Ruby - Testing with RSpec and Minitest

What does the let method do in Ruby testing frameworks like RSpec?

ADefines a global variable accessible in all tests

BRuns code before each test example

CDefines a memoized helper method for use in tests

DImmediately executes code before the test suite starts

Step-by-Step Solution

Solution:

Step 1: Understand let purpose
let defines a helper method that caches its value for each test example.
Step 2: Compare with other hooks
before runs code before each example, but let lazily evaluates and memoizes.
Final Answer:
Defines a memoized helper method for use in tests -> Option C
Quick Check:
let = memoized helper method [OK]

Quick Trick: Remember: let creates lazy, memoized helpers [OK]

Common Mistakes:

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What does the let method do in Ruby testing frameworks like RSpec?