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# -*- coding: binary -*-
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require 'spec_helper'
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RSpec.describe Rex::Proto::Kademlia::Pong do
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  let(:port) { 12345 }
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  subject(:pong) do
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    described_class.new(port)
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  end
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  describe '#initialize' do
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    it 'constructs properly' do
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      expect(pong.type).to eq(Rex::Proto::Kademlia::PONG)
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      expect(pong.port).to eq(port)
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    end
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  end
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  describe '#to_str' do
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    it 'packs properly' do
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      expect(pong.to_str).to eq("\xE4\x61\x39\x30")
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    end
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  end
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  describe '#from_data' do
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    it 'unpacks supported valid pongs properly' do
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      unpacked = described_class.from_data("\xE4\x61\x9E\x86")
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      expect(unpacked.type).to eq(Rex::Proto::Kademlia::PONG)
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      expect(unpacked.port).to eq(34462)
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    end
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    it 'does not decode overly small pongs' do
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      expect(described_class.from_data("\xE4\x61\x01")).to eq(nil)
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    end
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    it 'does not decode overly large pongs' do
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      expect(described_class.from_data("\xE4\x61\x01\x02\x03")).to eq(nil)
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    end
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  end
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end
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