houdini/spec/lib/calculate/calculate_fees_spec.rb
2020-06-15 10:26:57 -05:00

29 lines
1.1 KiB
Ruby

# frozen_string_literal: true
# License: AGPL-3.0-or-later WITH WTO-AP-3.0-or-later
# Full license explanation at https://github.com/houdiniproject/houdini/blob/master/LICENSE
require 'rails_helper'
describe CalculateFees do
describe '.for_single_amount' do
it 'returns 2.2% + platform fee + 30 cents for an online donation' do
expect(CalculateFees.for_single_amount(10_000, 0.018)).to eq(430)
end
it 'returns 2.2% + + 30 cents for an online donation with no platform fee' do
expect(CalculateFees.for_single_amount(10_000)).to eq(250)
end
it 'returns 2.2% + platform fee + 30 cents for an online donation with higher platform fee' do
expect(CalculateFees.for_single_amount(10_000, 0.038)).to eq(630)
end
it 'raises an error with a negative amount' do
expect { CalculateFees.for_single_amount(-10, 0.01) }.to raise_error(ParamValidation::ValidationError)
end
it 'raises an error with a negative fee' do
expect { CalculateFees.for_single_amount(1000, -0.01) }.to raise_error(ParamValidation::ValidationError)
end
end
end