19 lines
		
	
	
	
		
			397 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			19 lines
		
	
	
	
		
			397 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
| # frozen_string_literal: true
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| 
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| require 'rails_helper'
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| 
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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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| 
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|     let(:domain) { 'example.host' }
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|     let(:exchange) { 'mx.host' }
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| 
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|     before { configure_mx(domain: domain, exchange: exchange) }
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| 
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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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