20 lines
		
	
	
		
			397 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			20 lines
		
	
	
		
			397 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
# frozen_string_literal: true
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require 'rails_helper'
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RSpec.describe DomainResource do
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  describe '#mx' do
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    subject { described_class.new(domain) }
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    let(:domain) { 'example.host' }
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    let(:exchange) { 'mx.host' }
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    before { configure_mx(domain: domain, exchange: exchange) }
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    it 'returns array of hostnames' do
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      expect(subject.mx)
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        .to eq([exchange])
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    end
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  end
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end
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