Testing · interview question

Which naming or modeling choice is strongest for arrange act assert?

Multiple choiceMediumchapter-9-curatedpremiumtestingarrange-act-assert

python

def test_discount_rate() -> None:
    # arrange
    subtotal = 120.0
    # act
    result = discount_rate(True, subtotal)
    # assert
    assert result == 0.15

Delay clarity until production traffic reveals the edge case and then patch it under pressure.Keep arrange act assert implicit so the script stays short and hope the next engineer infers the rule.Use names and structures that describe the business fact directly instead of temporary implementation noise.Solve the symptom with comments only and avoid changing the code shape around arrange act assert.

Answer and explanation

Correct answer

C. Use names and structures that describe the business fact directly instead of temporary implementation noise.

Why

Clear naming and modeling shorten debugging, review, and onboarding time.

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Which naming or modeling choice is strongest for arrange act assert?

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