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# frozen_string_literal: true
require 'spec_helper'
describe Mail::SMTPPool::Connection do
let(:connection) { described_class.new({}) }
let(:mail) do
Mail.new do
from 'mikel@test.lindsaar.net'
to 'you@test.lindsaar.net'
subject 'This is a test email'
body 'Test body'
end
end
after do
MockSMTP.clear_deliveries
end
describe '#deliver!' do
it 'delivers mail using the same SMTP connection' do
mock_smtp = MockSMTP.new
expect(Net::SMTP).to receive(:new).once.and_return(mock_smtp)
expect(mock_smtp).to receive(:sendmail).twice.and_call_original
expect(mock_smtp).to receive(:rset).once.and_call_original
connection.deliver!(mail)
connection.deliver!(mail)
expect(MockSMTP.deliveries.size).to eq(2)
end
context 'when RSET fails' do
let(:mock_smtp) { MockSMTP.new }
let(:mock_smtp_2) { MockSMTP.new }
before do
expect(Net::SMTP).to receive(:new).twice.and_return(mock_smtp, mock_smtp_2)
end
context 'with an IOError' do
before do
expect(mock_smtp).to receive(:rset).once.and_raise(IOError)
end
it 'creates a new SMTP connection' do
expect(mock_smtp).to receive(:sendmail).once.and_call_original
expect(mock_smtp).to receive(:finish).once.and_call_original
expect(mock_smtp_2).to receive(:sendmail).once.and_call_original
connection.deliver!(mail)
connection.deliver!(mail)
expect(MockSMTP.deliveries.size).to eq(2)
end
end
context 'with an SMTP error' do
before do
expect(mock_smtp).to receive(:rset).once.and_raise(Net::SMTPServerBusy)
end
it 'creates a new SMTP connection' do
expect(mock_smtp).to receive(:sendmail).once.and_call_original
expect(mock_smtp).to receive(:finish).once.and_call_original
expect(mock_smtp_2).to receive(:sendmail).once.and_call_original
connection.deliver!(mail)
connection.deliver!(mail)
expect(MockSMTP.deliveries.size).to eq(2)
end
context 'and closing the old connection fails' do
before do
expect(mock_smtp).to receive(:finish).once.and_raise(IOError)
end
it 'creates a new SMTP connection' do
expect(mock_smtp).to receive(:sendmail).once.and_call_original
expect(mock_smtp_2).to receive(:sendmail).once.and_call_original
connection.deliver!(mail)
connection.deliver!(mail)
expect(MockSMTP.deliveries.size).to eq(2)
end
end
end
end
end
end
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