[Solved] What will this RSpec mock test output? class Order def total 100 end end order = Order.new expect(order).to receive(:total).and_return(200) puts order.total | Ruby

Ruby - Testing with RSpec and Minitest

What will this RSpec mock test output?

class Order
  def total
    100
  end
end

order = Order.new
expect(order).to receive(:total).and_return(200)
puts order.total

A200

B100

Cnil

DError

Step-by-Step Solution

Solution:

Step 1: Understand mock expectation
The expect(order).to receive(:total).and_return(200) sets expectation and stubs total to return 200.
Step 2: Check output of puts order.total
The method call returns 200 due to the mock.
Final Answer:
200 -> Option A
Quick Check:
Mocked method output = 200 [OK]

Quick Trick: Mocks expect calls and return specified values [OK]

Common Mistakes:

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