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Contents
require 'spec_helper'
RSpec.describe "NullCurrency" do
let (:null_currency) {Money::NULL_CURRENCY}
it 'exposes the same public interface as Currency' do
expect(Money::NullCurrency).to quack_like Money::Currency
end
describe "#initialize" do
it "has a valid XXX iso4217 currency code" do
expect(null_currency.iso_code).to eq('XXX')
end
it "quacks like USD" do
expect(null_currency.symbol).to eq('$')
expect(null_currency.subunit_to_unit).to eq(100)
expect(null_currency.smallest_denomination).to eq(1)
end
it "has the name No Currency" do
expect(null_currency.name).to eq('No Currency')
end
end
describe "#to_s" do
it 'is shown as an empty string' do
expect(null_currency.to_s).to eq('')
end
end
describe "#compatible" do
it "returns true for currency" do
expect(null_currency.compatible?(Money::Currency.new('USD'))).to eq(true)
expect(null_currency.compatible?(Money::Currency.new('JPY'))).to eq(true)
end
it "returns true for null_currency" do
expect(null_currency.compatible?(Money::NULL_CURRENCY)).to eq(true)
end
it "returns false for nil" do
expect(null_currency.compatible?(nil)).to eq(false)
end
end
end
Version data entries
16 entries across 16 versions & 1 rubygems