new_mailer_spec.rb

# -*- encoding : utf-8 -*-
require "spec_helper"

describe Notification do
  describe "new_question" do
    let(:user) { Factory.create(:user, name: 'Dart Vader', email: 'dart@example.com') }
    let(:category) { Factory.create(:category, name: 'Saúde') }
    let(:owner) { Factory.create(:user, name: 'Jaspion') }
    let(:question) { Factory.create(:question, user: owner, category: category) }
    let(:mailer) { Notification.new_question(question.id, user.id) }

    it { lambda { Notification.new_question(question.id, user.id) }.should_not raise_error }
    it { mailer.subject.should == %{[Hintask] Nova pergunta da sua área!} }
    it { mailer.body.to_s.should == read_mail("notification/new_question", question.id) }
    it { mailer.header['From'].to_s.should == "Hintask <contato@hintask.com>" }
    it { mailer.header['To'].to_s.should == "Dart Vader <dart@example.com>" }
    it { mailer.from.size.should == 1 }
    it { mailer.to.size.should == 1 }
    it { mailer.cc.should be_nil }
    it { mailer.bcc.should be_nil }
    it { mailer.multipart?.should be_false }
    it { mailer.charset.should == "UTF-8" }
    it { mailer.content_type.should == "text/html; charset=UTF-8" }
    it {
      expect {
        Notification.new_question(question.id, user.id).deliver
      }.to change(ActionMailer::Base.deliveries,:size).by(1)
    }
  end
  private
  def read_mail(name, id = nil)
    filename = Rails.root.join('spec','fixtures',"#{name}.html")
    @body = mailer.body.to_s
    @body.gsub!(id.to_s, "*|ID|*") unless id.nil?
    File.open(filename, 'w') {|f| f.write(@body) } unless File.exists?(filename)
    File.read(filename).gsub("*|ID|*", id.to_s)
  end
end

old_mailer_spec.rb

# -*- encoding : utf-8 -*-
require File.expand_path(File.dirname(__FILE__) + '/../../spec_helper')

describe Devise::Mailer do
  before(:each) do
    I18n.locale = :'pt-BR'
  end

  describe "reset_password_instructions" do
    before(:each) do
      @user = Factory.create(:user, :name => 'Nome do Usuario', :email => 'emaildousuario@example.com')
    end

    it "should render successfully" do
      lambda { Devise::Mailer.reset_password_instructions(@user) }.should_not raise_error
    end
    describe "rendered without error" do
      before(:each) do
        @mailer = Devise::Mailer.reset_password_instructions(@user)
      end
      it "should set correct subject" do
        @mailer.subject.should == "Instruções para troca de senha"
      end
      it "should set correct header To" do
        # Ele não coloca as aspas por que não receonhece nenhum caracter UTF-8 (acento)
        @mailer.header['To'].to_s.should == "emaildousuario@example.com"
      end
      it "should not have more than one to address" do
        @mailer.to.size.should == 1
      end
      it "should consider CC on recipients address" do
        @mailer.cc.should be_nil
      end
      it "should consider CC on recipients address" do
        @mailer.bcc.should be_nil
      end
      it "should set correct header From" do
        # Ele coloca as aspas por que reconhece que existe um caracter UTF-8 (acento)
        @mailer.header['From'].to_s.should == %{"Amigo não se Compra" <contato@amigonaosecompra.com.br>}
      end
      it "should not have more than one from address" do
        @mailer.from.size.should == 1
      end
      it "should be multipart" do
        @mailer.multipart?.should be_false
      end
      it "should set correct charset" do
        @mailer.charset.should == "UTF-8"
      end
      it "should set correct body for text html" do
        @mailer.body.to_s.should == read_mail("reset_password_instructions")
      end
      it "should set correct content type" do
        @mailer.content_type.should == "text/html; charset=UTF-8"
      end
      it "should deliver successfully" do
        lambda { Devise::Mailer.reset_password_instructions(@user).deliver }.should_not raise_error
      end
      describe "and delivered" do
        it "should be added to the delivery queue" do
          lambda { Devise::Mailer.reset_password_instructions(@user).deliver }.should change(ActionMailer::Base.deliveries,:size).by(1)
        end
      end
    end
  end

  private
  def read_mail(name)
    filename = Rails.root.join('spec','fixtures','devise','mailer',"#{name}.html")
    File.open(filename, 'w') {|f| f.write(@mailer.body) } unless File.exists?(filename)
    File.read(filename)
  end
end