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# frozen_string_literal: true
require "generators/generators_test_helper"
require "rails/generators/mailer/mailer_generator"
class MailerGeneratorTest < Rails::Generators::TestCase
include GeneratorsTestHelper
arguments %w(notifier foo bar)
def test_mailer_skeleton_is_created
run_generator
assert_file "app/mailers/notifier_mailer.rb" do |mailer|
assert_match(/class NotifierMailer < ApplicationMailer/, mailer)
assert_no_match(/default from: "from@example\.com"/, mailer)
assert_no_match(/layout :mailer_notifier/, mailer)
end
assert_file "app/mailers/application_mailer.rb" do |mailer|
assert_match(/class ApplicationMailer < ActionMailer::Base/, mailer)
assert_match(/default from: 'from@example\.com'/, mailer)
assert_match(/layout 'mailer'/, mailer)
end
end
def test_mailer_with_i18n_helper
run_generator
assert_file "app/mailers/notifier_mailer.rb" do |mailer|
assert_match(/en\.notifier_mailer\.foo\.subject/, mailer)
assert_match(/en\.notifier_mailer\.bar\.subject/, mailer)
end
end
def test_check_class_collision
Object.const_set :NotifierMailer, Class.new
content = capture(:stderr) { run_generator }
assert_match(/The name 'NotifierMailer' is either already used in your application or reserved/, content)
ensure
Object.send :remove_const, :NotifierMailer
end
def test_invokes_default_test_framework
run_generator
assert_file "test/mailers/notifier_mailer_test.rb" do |test|
assert_match(/class NotifierMailerTest < ActionMailer::TestCase/, test)
assert_match(/test "foo"/, test)
assert_match(/test "bar"/, test)
end
assert_file "test/mailers/previews/notifier_mailer_preview.rb" do |preview|
assert_match(/\# Preview all emails at http:\/\/localhost\:3000\/rails\/mailers\/notifier_mailer/, preview)
assert_match(/class NotifierMailerPreview < ActionMailer::Preview/, preview)
assert_match(/\# Preview this email at http:\/\/localhost\:3000\/rails\/mailers\/notifier_mailer\/foo/, preview)
assert_instance_method :foo, preview do |foo|
assert_match(/NotifierMailer\.foo/, foo)
end
assert_match(/\# Preview this email at http:\/\/localhost\:3000\/rails\/mailers\/notifier_mailer\/bar/, preview)
assert_instance_method :bar, preview do |bar|
assert_match(/NotifierMailer\.bar/, bar)
end
end
end
def test_check_test_class_collision
Object.const_set :NotifierMailerTest, Class.new
content = capture(:stderr) { run_generator }
assert_match(/The name 'NotifierMailerTest' is either already used in your application or reserved/, content)
ensure
Object.send :remove_const, :NotifierMailerTest
end
def test_check_preview_class_collision
Object.const_set :NotifierMailerPreview, Class.new
content = capture(:stderr) { run_generator }
assert_match(/The name 'NotifierMailerPreview' is either already used in your application or reserved/, content)
ensure
Object.send :remove_const, :NotifierMailerPreview
end
def test_invokes_default_text_template_engine
run_generator
assert_file "app/views/notifier_mailer/foo.text.erb" do |view|
assert_match(%r(\sapp/views/notifier_mailer/foo\.text\.erb), view)
assert_match(/<%= @greeting %>/, view)
end
assert_file "app/views/notifier_mailer/bar.text.erb" do |view|
assert_match(%r(\sapp/views/notifier_mailer/bar\.text\.erb), view)
assert_match(/<%= @greeting %>/, view)
end
assert_file "app/views/layouts/mailer.text.erb" do |view|
assert_match(/<%= yield %>/, view)
end
end
def test_invokes_default_html_template_engine
run_generator
assert_file "app/views/notifier_mailer/foo.html.erb" do |view|
assert_match(%r(\sapp/views/notifier_mailer/foo\.html\.erb), view)
assert_match(/<%= @greeting %>/, view)
end
assert_file "app/views/notifier_mailer/bar.html.erb" do |view|
assert_match(%r(\sapp/views/notifier_mailer/bar\.html\.erb), view)
assert_match(/<%= @greeting %>/, view)
end
assert_file "app/views/layouts/mailer.html.erb" do |view|
assert_match(%r{<body>\n <%= yield %>\n </body>}, view)
end
end
def test_invokes_default_template_engine_even_with_no_action
run_generator ["notifier"]
assert_file "app/views/notifier_mailer"
end
def test_logs_if_the_template_engine_cannot_be_found
content = run_generator ["notifier", "foo", "bar", "--template-engine=haml"]
assert_match(/haml \[not found\]/, content)
end
def test_mailer_with_namespaced_mailer
run_generator ["Farm::Animal", "moos"]
assert_file "app/mailers/farm/animal_mailer.rb" do |mailer|
assert_match(/class Farm::AnimalMailer < ApplicationMailer/, mailer)
assert_match(/en\.farm\.animal_mailer\.moos\.subject/, mailer)
end
assert_file "test/mailers/previews/farm/animal_mailer_preview.rb" do |preview|
assert_match(/\# Preview all emails at http:\/\/localhost\:3000\/rails\/mailers\/farm\/animal_mailer/, preview)
assert_match(/class Farm::AnimalMailerPreview < ActionMailer::Preview/, preview)
assert_match(/\# Preview this email at http:\/\/localhost\:3000\/rails\/mailers\/farm\/animal_mailer\/moos/, preview)
end
assert_file "app/views/farm/animal_mailer/moos.text.erb"
assert_file "app/views/farm/animal_mailer/moos.html.erb"
end
def test_actions_are_turned_into_methods
run_generator
assert_file "app/mailers/notifier_mailer.rb" do |mailer|
assert_instance_method :foo, mailer do |foo|
assert_match(/mail to: "to@example\.org"/, foo)
assert_match(/@greeting = "Hi"/, foo)
end
assert_instance_method :bar, mailer do |bar|
assert_match(/mail to: "to@example\.org"/, bar)
assert_match(/@greeting = "Hi"/, bar)
end
end
end
def test_mailer_on_revoke
run_generator
run_generator ["notifier"], behavior: :revoke
assert_no_file "app/mailers/notifier.rb"
assert_no_file "app/views/notifier/foo.text.erb"
assert_no_file "app/views/notifier/bar.text.erb"
assert_no_file "app/views/notifier/foo.html.erb"
assert_no_file "app/views/notifier/bar.html.erb"
end
def test_mailer_suffix_is_not_duplicated
run_generator ["notifier_mailer"]
assert_no_file "app/mailers/notifier_mailer_mailer.rb"
assert_file "app/mailers/notifier_mailer.rb"
assert_no_file "app/views/notifier_mailer_mailer/"
assert_file "app/views/notifier_mailer/"
assert_no_file "test/mailers/notifier_mailer_mailer_test.rb"
assert_file "test/mailers/notifier_mailer_test.rb"
assert_no_file "test/mailers/previews/notifier_mailer_mailer_preview.rb"
assert_file "test/mailers/previews/notifier_mailer_preview.rb"
end
end
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