29 lines
907 B
Ruby
29 lines
907 B
Ruby
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require 'rails_helper'
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describe CalculateFees do
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describe '.for_single_amount' do
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it 'returns 2.2% + platform fee + 30 cents for an online donation' do
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expect(CalculateFees.for_single_amount(10000, 0.018)).to eq(430)
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end
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it 'returns 2.2% + + 30 cents for an online donation with no platform fee' do
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expect(CalculateFees.for_single_amount(10000)).to eq(250)
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end
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it 'returns 2.2% + platform fee + 30 cents for an online donation with higher platform fee' do
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expect(CalculateFees.for_single_amount(10000, 0.038)).to eq(630)
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end
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it 'raises an error with a negative amount' do
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expect{CalculateFees.for_single_amount(-10, 0.01)}.to raise_error(ParamValidation::ValidationError)
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end
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it 'raises an error with a negative fee' do
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expect{CalculateFees.for_single_amount(1000, -0.01)}.to raise_error(ParamValidation::ValidationError)
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end
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end
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end
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