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# -*- coding:binary -*-
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require 'spec_helper'
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require 'net/dns'
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RSpec.describe Net::DNS::RR::Classes do
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  subject do
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    described_class.new
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  end
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  describe '#initialize' do
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    subject(:rr_class) do
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      described_class.allocate
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    end
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    it 'raises when initialized with no args' do
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      expect { rr_class.send(:initialize) }.to raise_error(ArgumentError)
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    end
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    it 'respects default RR class when initialized with a nil RR class' do
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      rr_class.send(:initialize, nil)
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      expect(rr_class.to_i).to eql(1)
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      expect(rr_class.to_s).to eql('IN')
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    end
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    # TODO: figure out why this doesn't work
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    skip 'respects configured default RR class' do
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      rr_class.send(:default=, 'NONE')
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      expect(rr_class.to_i).to eql(254)
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      expect(rr_class.to_s).to eql('NONE')
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    end
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    it 'initializes with a valid RR class Integer argument' do
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      rr_class.send(:initialize, 4)
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      expect(rr_class.to_i).to eql(4)
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      expect(rr_class.to_s).to eql('HS')
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    end
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    it 'raises when the supplied RR class Integer is invalid' do
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      expect { rr_class.send(:initialize, 123456) }.to raise_error(ClassArgumentError)
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      expect { rr_class.send(:initialize, -1) }.to raise_error(ClassArgumentError)
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    end
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    it 'initializes with a valid RR class String argument' do
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      rr_class.send(:initialize, 'CH')
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      expect(rr_class.to_i).to eql(3)
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      expect(rr_class.to_s).to eql('CH')
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      rr_class.send(:initialize, 'CLASS9')
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      expect(rr_class.to_i).to eql(9)
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      expect(rr_class.to_s).to eql('CLASS9')
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      rr_class.send(:initialize, 'CLASS1')
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      expect(rr_class.to_i).to eql(1)
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      expect(rr_class.to_s).to eql('IN')
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    end
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    it 'raises when the supplied RR class String is invalid' do
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      expect { rr_class.send(:initialize, 'cats') }.to raise_error(ClassArgumentError)
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      expect { rr_class.send(:initialize, 'CLASS123456') }.to raise_error(ClassArgumentError)
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    end
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  end
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end
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