Contents

require "spec_helper"

describe CurrencyConverter do
  describe ".exchange" do
    it "returns the correct rate" do
      expect(CurrencyConverter.exchange("USD", "USD", 1)).to eq 1
    end
  end

  describe "#validate_currency" do
    describe CurrencyConverter::UnknownCurrency do
      it 'raise an error on an unsupported currency code' do
        expect { CurrencyConverter.exchange("EUR", "UNKNOWN", 100) }.to raise_error(CurrencyConverter::UnknownCurrency)
        expect { CurrencyConverter.exchange("UNKNOWN", "EUR", 100) }.to raise_error(CurrencyConverter::UnknownCurrency)
      end

      it 'doesn\'t raise an error for supported currency codes' do
        expect { CurrencyConverter.exchange("EUR", "USD", 100) }.not_to raise_error
        #expect { CurrencyConverter.exchange("EUR", "USD", 100) }.not_to raise_error(CurrencyConverter::UnknownCurrency)
      end
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
currency_converter-1.0.2	spec/currency_converter_spec.rb
currency_converter-1.0.1	spec/currency_converter_spec.rb