hanami/spec/integration/cli/generate/mailer_spec.rb

# frozen_string_literal: true

RSpec.describe "hanami generate", type: :integration do
  describe "mailer" do
    context "generates a new mailer" do
      let(:output) do
        ["create  lib/bookshelf_generate_mailer/mailers/welcome.rb",
         "create  spec/bookshelf_generate_mailer/mailers/welcome_spec.rb",
         "create  lib/bookshelf_generate_mailer/mailers/templates/welcome.txt.erb",
         "create  lib/bookshelf_generate_mailer/mailers/templates/welcome.html.erb"]
      end

      it 'generate the mailer files' do
        with_project('bookshelf_generate_mailer', test: 'rspec') do
          run_cmd "hanami generate mailer welcome", output
          #
          # lib/bookshelf_generate_mailer/mailers/welcome.rb
          #
          expect("lib/bookshelf_generate_mailer/mailers/welcome.rb").to have_file_content <<~END
            module Mailers
              class Welcome
                include Hanami::Mailer

                from    '<from>'
                to      '<to>'
                subject 'Hello'
              end
            end
          END

          expect("lib/bookshelf_generate_mailer/mailers/templates/welcome.txt.erb").to have_file_content ""
          expect("lib/bookshelf_generate_mailer/mailers/templates/welcome.html.erb").to have_file_content ""
        end
      end

      it 'generates a proper minitest file' do
        with_project('bookshelf_generate_mailer', test: 'minitest') do
          run_cmd "hanami generate mailer welcome", output
          #
          # spec/bookshelf_generate_mailer/mailers/welcome_spec.rb
          #
          expect("spec/bookshelf_generate_mailer/mailers/welcome_spec.rb").to have_file_content <<~END
            require_relative '../../spec_helper'

            describe Mailers::Welcome do
              it 'delivers email' do
                mail = Mailers::Welcome.deliver
              end
            end
          END
        end
      end

      it 'generates a proper RSpec file' do
        with_project('bookshelf_generate_mailer', test: 'rspec') do
          run_cmd "hanami generate mailer welcome", output
          #
          # spec/bookshelf_generate_mailer/mailers/welcome_spec.rb
          #
          expect("spec/bookshelf_generate_mailer/mailers/welcome_spec.rb").to have_file_content <<~END
            RSpec.describe Mailers::Welcome, type: :mailer do
              it 'delivers email' do
                mail = Mailers::Welcome.deliver
              end
            end
          END
        end
      end
    end

    it "generates mailer with options from, to and subject with single quotes" do
      with_project("bookshelf_generate_mailer_with_options") do
        output = [
          "create  spec/bookshelf_generate_mailer_with_options/mailers/welcome_spec.rb",
          "create  lib/bookshelf_generate_mailer_with_options/mailers/welcome.rb",
          "create  lib/bookshelf_generate_mailer_with_options/mailers/templates/welcome.txt.erb",
          "create  lib/bookshelf_generate_mailer_with_options/mailers/templates/welcome.html.erb"
        ]

        run_cmd "hanami generate mailer welcome --from=\"'mail@example.com'\" --to=\"'user@example.com'\" --subject=\"'Let\'s start'\"", output

        expect("lib/bookshelf_generate_mailer_with_options/mailers/welcome.rb").to have_file_content <<~END
          module Mailers
            class Welcome
              include Hanami::Mailer

              from    'mail@example.com'
              to      'user@example.com'
              subject 'Let\'s start'
            end
          end
        END
      end
    end

    it "generates mailer with options from, to and subject with double quotes" do
      with_project("bookshelf_generate_mailer_with_options") do
        output = [
          "create  spec/bookshelf_generate_mailer_with_options/mailers/welcome_spec.rb",
          "create  lib/bookshelf_generate_mailer_with_options/mailers/welcome.rb",
          "create  lib/bookshelf_generate_mailer_with_options/mailers/templates/welcome.txt.erb",
          "create  lib/bookshelf_generate_mailer_with_options/mailers/templates/welcome.html.erb"
        ]

        run_cmd "hanami generate mailer welcome --from='\"mail@example.com\"' --to='\"user@example.com\"' --subject='\"Come on \"Folks\"\"'", output

        expect("lib/bookshelf_generate_mailer_with_options/mailers/welcome.rb").to have_file_content <<~END
          module Mailers
            class Welcome
              include Hanami::Mailer

              from    'mail@example.com'
              to      'user@example.com'
              subject 'Come on "Folks"'
            end
          end
        END
      end
    end

    it "generates mailer with options from, to and subject without quotes" do
      with_project("bookshelf_generate_mailer_with_options") do
        output = [
          "create  spec/bookshelf_generate_mailer_with_options/mailers/welcome_spec.rb",
          "create  lib/bookshelf_generate_mailer_with_options/mailers/welcome.rb",
          "create  lib/bookshelf_generate_mailer_with_options/mailers/templates/welcome.txt.erb",
          "create  lib/bookshelf_generate_mailer_with_options/mailers/templates/welcome.html.erb"
        ]

        run_cmd "hanami generate mailer welcome --from=mail@example.com --to=user@example.com --subject=Welcome", output

        expect("lib/bookshelf_generate_mailer_with_options/mailers/welcome.rb").to have_file_content <<~END
          module Mailers
            class Welcome
              include Hanami::Mailer

              from    'mail@example.com'
              to      'user@example.com'
              subject 'Welcome'
            end
          end
        END
      end
    end

    it "fails with missing arguments" do
      with_project("bookshelf_generate_mailer_without_args") do
        output = <<~OUT
          ERROR: "hanami generate mailer" was called with no arguments
          Usage: "hanami generate mailer MAILER"
        OUT

        run_cmd "hanami generate mailer", output, exit_status: 1
      end
    end

    it "prints help message" do
      with_project do
        output = <<~OUT
          Command:
            hanami generate mailer

          Usage:
            hanami generate mailer MAILER

          Description:
            Generate a mailer

          Arguments:
            MAILER              	# REQUIRED The mailer name (eg. `welcome`)

          Options:
            --from=VALUE                    	# The default `from` field of the mail
            --to=VALUE                      	# The default `to` field of the mail
            --subject=VALUE                 	# The mail subject
            --help, -h                      	# Print this help

          Examples:
            hanami generate mailer welcome                                         # Basic usage
            hanami generate mailer welcome --from="noreply@example.com"            # Generate with default `from` value
            hanami generate mailer announcement --to="users@example.com"           # Generate with default `to` value
            hanami generate mailer forgot_password --subject="Your password reset" # Generate with default `subject`
        OUT

        run_cmd 'hanami generate mailer --help', output
      end
    end
  end
end