to_decimal_spec.rb

require 'spec_helper'

describe Virtus::Typecast::String, '.to_decimal' do
  subject { object.to_decimal(string) }

  let(:object) { described_class }

  { '1' => BigDecimal('1.0'), '1.0' => BigDecimal('1.0'), '.1' => BigDecimal('0.1') }.each do |value, expected|
    context "with #{value.inspect}" do
      let(:string) { value }

      it { should be_instance_of(BigDecimal) }

      it { should eql(expected) }
    end
  end

  context 'with an invalid decimal string' do
    let(:string) { 'non-decimal' }

    it { should equal(string) }
  end
end