# encoding: utf-8
# frozen_string_literal: true
require 'spec_helper'

describe "exim delivery agent" do
  let :mail do
    Mail.new do
      from    'roger@test.lindsaar.net'
      to      'marcel@test.lindsaar.net, bob@test.lindsaar.net'
      subject 'some subject'
    end
  end
  
  before do
    Mail.defaults do
      delivery_method :exim
    end
  end

  it "should send an email using exim" do
    expect(Mail::Sendmail).to receive(:call).with('/usr/sbin/exim', '-i -t -f "roger@test.lindsaar.net" --', nil, mail.encoded)

    mail.deliver!
  end

  describe "return path" do

    it "should send an email with a return-path using exim" do
      mail.return_path = "return@test.lindsaar.net"
      mail.sender = "sender@test.lindsaar.net"

      expect(Mail::Sendmail).to receive(:call).with('/usr/sbin/exim', '-i -t -f "return@test.lindsaar.net" --', nil, mail.encoded)

      mail.deliver
    end

    it "should use the sender address is no return path is specified" do
      mail.sender = "sender@test.lindsaar.net"

      expect(Mail::Sendmail).to receive(:call).with('/usr/sbin/exim', '-i -t -f "sender@test.lindsaar.net" --', nil, mail.encoded)

      mail.deliver
    end

    it "should use the from address is no return path or sender are specified" do
      mail.from = "from@test.lindsaar.net"

      expect(Mail::Sendmail).to receive(:call).with('/usr/sbin/exim', '-i -t -f "from@test.lindsaar.net" --', nil, mail.encoded)

      mail.deliver
    end

    it "should escape the return path address" do
      mail.from = '"from+suffix test"@test.lindsaar.net'

      expect(Mail::Sendmail).to receive(:call).with('/usr/sbin/exim', '-i -t -f "\"from+suffix test\"@test.lindsaar.net" --', nil, mail.encoded)

      mail.deliver
    end

    it 'should not escape ~ in return path address' do
      mail.from = 'tilde~@test.lindsaar.net'

      expect(Mail::Sendmail).to receive(:call).
        with('/usr/sbin/exim',
             '-i -t -f "tilde~@test.lindsaar.net" --',
             nil,
             mail.encoded)

      mail.deliver
    end
  end

  it "should still send an email if the settings have been set to nil" do
    Mail.defaults do
      delivery_method :exim, :arguments => nil
    end
    
    expect(Mail::Sendmail).to receive(:call).with('/usr/sbin/exim', ' -f "roger@test.lindsaar.net" --', nil, mail.encoded)

    mail.deliver!
  end

  it "should escape evil haxxor attemptes" do
    mail.from = '"foo\";touch /tmp/PWNED;\""@blah.com'

    expect(Mail::Sendmail).to receive(:call).with(
      '/usr/sbin/exim',
      "-i -t -f \"\\\"foo\\\\\\\"\\;touch /tmp/PWNED\\;\\\\\\\"\\\"@blah.com\" --",
      nil,
      mail.encoded)

    mail.deliver!
  end

  it "should raise an error if no sender is defined" do
    mail.from = nil

    expect(mail.smtp_envelope_from).to be_nil

    expect do
      mail.deliver
    end.to raise_error('SMTP From address may not be blank: nil')
  end

  it "should raise an error if no recipient if defined" do
    mail.to = nil

    expect(mail.smtp_envelope_to).to eq([])

    expect do
      mail.deliver
    end.to raise_error('SMTP To address may not be blank: []')
  end
end