16 lines
293 B
Ruby
16 lines
293 B
Ruby
require './exercise'
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describe '#fibonacci' do
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it 'is defined' do
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expect { method(:fibonacci) }.not_to raise_error
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end
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it 'has the correct arity' do
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expect(method(:fibonacci).arity).to eq(1)
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end
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it 'returns a number' do
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expect(fibonacci(1)).to be_an(Integer)
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end
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end
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