# frozen_string_literal: true

require_relative '../../lib/csv_decision2'

describe CSVDecision2::Matchers::Constant do
  describe '#matches?' do
    context 'constant matches value' do
      data = [
          ['= 1',    1],
          ['== 1',   1],
          [':=1',    1],
          ['==.1',   BigDecimal('0.1')],
          [':= 1.1', BigDecimal('1.1')]
      ]

      data.each do |cell, value|
        it "constant #{cell} matches #{value}" do
          proc = described_class.matches?(cell)
          expect(proc).to be_a(CSVDecision2::Matchers::Proc)
          expect(proc.type).to eq :constant
          expect(proc.function).to eq value
        end
      end
    end

    context 'does not match strings and non-constants' do
      data = ['true', 'nil', 'false', ':column', '> 0', '!= 1.0', 'abc.*def', '-1..1', '0...3']

      data.each do |cell|
        it "cell #{cell} is not a non-string constant}" do
          expect(described_class.matches?(cell)).to eq false
        end
      end
    end
  end
end