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rails--rails/railties/test/application/mailer_previews_test.rb
@schneems and @sgrif 2bbcca004c Deprecate *_path methods in mailers
Email does not support relative links since there is no implicit host. Therefore all links inside of emails must be fully qualified URLs. All path helpers are now deprecated. When removed, the error will give early indication to developers to use `*_url` methods instead.

Currently if a developer uses a `*_path` helper, their tests and `mail_view` will not catch the mistake. The only way to see the error is by sending emails in production. Preventing sending out emails with non-working path's is the desired end goal of this PR.

Currently path helpers are mixed-in to controllers (the ActionMailer::Base acts as a controller). All `*_url` and `*_path` helpers are made available through the same module. This PR separates this behavior into two modules so we can extend the `*_path` methods to add a Deprecation to them. Once deprecated we can use this same area to raise a NoMethodError and add an informative message directing the developer to use `*_url` instead.

The module with warnings is only mixed in when a controller returns false from the newly added `supports_relative_path?`.

Paired @sgrif & @schneems
2014-07-30 12:01:45 -05:00

494 lines
13 KiB
Ruby

require 'isolation/abstract_unit'
require 'rack/test'
module ApplicationTests
class MailerPreviewsTest < ActiveSupport::TestCase
include ActiveSupport::Testing::Isolation
include Rack::Test::Methods
def setup
build_app
boot_rails
end
def teardown
teardown_app
end
test "/rails/mailers is accessible in development" do
app("development")
get "/rails/mailers"
assert_equal 200, last_response.status
end
test "/rails/mailers is not accessible in production" do
app("production")
get "/rails/mailers"
assert_equal 404, last_response.status
end
test "/rails/mailers is accessible with correct configuraiton" do
add_to_config "config.action_mailer.show_previews = true"
app("production")
get "/rails/mailers"
assert_equal 200, last_response.status
end
test "/rails/mailers is not accessible with show_previews = false" do
add_to_config "config.action_mailer.show_previews = false"
app("development")
get "/rails/mailers"
assert_equal 404, last_response.status
end
test "mailer previews are loaded from the default preview_path" do
mailer 'notifier', <<-RUBY
class Notifier < ActionMailer::Base
default from: "from@example.com"
def foo
mail to: "to@example.org"
end
end
RUBY
text_template 'notifier/foo', <<-RUBY
Hello, World!
RUBY
mailer_preview 'notifier', <<-RUBY
class NotifierPreview < ActionMailer::Preview
def foo
Notifier.foo
end
end
RUBY
app('development')
get "/rails/mailers"
assert_match '<h3><a href="/rails/mailers/notifier">Notifier</a></h3>', last_response.body
assert_match '<li><a href="/rails/mailers/notifier/foo">foo</a></li>', last_response.body
end
test "mailer previews are loaded from a custom preview_path" do
add_to_config "config.action_mailer.preview_path = '#{app_path}/lib/mailer_previews'"
mailer 'notifier', <<-RUBY
class Notifier < ActionMailer::Base
default from: "from@example.com"
def foo
mail to: "to@example.org"
end
end
RUBY
text_template 'notifier/foo', <<-RUBY
Hello, World!
RUBY
app_file 'lib/mailer_previews/notifier_preview.rb', <<-RUBY
class NotifierPreview < ActionMailer::Preview
def foo
Notifier.foo
end
end
RUBY
app('development')
get "/rails/mailers"
assert_match '<h3><a href="/rails/mailers/notifier">Notifier</a></h3>', last_response.body
assert_match '<li><a href="/rails/mailers/notifier/foo">foo</a></li>', last_response.body
end
test "mailer previews are reloaded across requests" do
app('development')
get "/rails/mailers"
assert_no_match '<h3><a href="/rails/mailers/notifier">Notifier</a></h3>', last_response.body
mailer 'notifier', <<-RUBY
class Notifier < ActionMailer::Base
default from: "from@example.com"
def foo
mail to: "to@example.org"
end
end
RUBY
text_template 'notifier/foo', <<-RUBY
Hello, World!
RUBY
mailer_preview 'notifier', <<-RUBY
class NotifierPreview < ActionMailer::Preview
def foo
Notifier.foo
end
end
RUBY
get "/rails/mailers"
assert_match '<h3><a href="/rails/mailers/notifier">Notifier</a></h3>', last_response.body
remove_file 'test/mailers/previews/notifier_preview.rb'
sleep(1)
get "/rails/mailers"
assert_no_match '<h3><a href="/rails/mailers/notifier">Notifier</a></h3>', last_response.body
end
test "mailer preview actions are added and removed" do
mailer 'notifier', <<-RUBY
class Notifier < ActionMailer::Base
default from: "from@example.com"
def foo
mail to: "to@example.org"
end
end
RUBY
text_template 'notifier/foo', <<-RUBY
Hello, World!
RUBY
mailer_preview 'notifier', <<-RUBY
class NotifierPreview < ActionMailer::Preview
def foo
Notifier.foo
end
end
RUBY
app('development')
get "/rails/mailers"
assert_match '<h3><a href="/rails/mailers/notifier">Notifier</a></h3>', last_response.body
assert_match '<li><a href="/rails/mailers/notifier/foo">foo</a></li>', last_response.body
assert_no_match '<li><a href="/rails/mailers/notifier/bar">bar</a></li>', last_response.body
mailer 'notifier', <<-RUBY
class Notifier < ActionMailer::Base
default from: "from@example.com"
def foo
mail to: "to@example.org"
end
def bar
mail to: "to@example.net"
end
end
RUBY
text_template 'notifier/foo', <<-RUBY
Hello, World!
RUBY
text_template 'notifier/bar', <<-RUBY
Goodbye, World!
RUBY
mailer_preview 'notifier', <<-RUBY
class NotifierPreview < ActionMailer::Preview
def foo
Notifier.foo
end
def bar
Notifier.bar
end
end
RUBY
sleep(1)
get "/rails/mailers"
assert_match '<h3><a href="/rails/mailers/notifier">Notifier</a></h3>', last_response.body
assert_match '<li><a href="/rails/mailers/notifier/foo">foo</a></li>', last_response.body
assert_match '<li><a href="/rails/mailers/notifier/bar">bar</a></li>', last_response.body
mailer 'notifier', <<-RUBY
class Notifier < ActionMailer::Base
default from: "from@example.com"
def foo
mail to: "to@example.org"
end
end
RUBY
remove_file 'app/views/notifier/bar.text.erb'
mailer_preview 'notifier', <<-RUBY
class NotifierPreview < ActionMailer::Preview
def foo
Notifier.foo
end
end
RUBY
sleep(1)
get "/rails/mailers"
assert_match '<h3><a href="/rails/mailers/notifier">Notifier</a></h3>', last_response.body
assert_match '<li><a href="/rails/mailers/notifier/foo">foo</a></li>', last_response.body
assert_no_match '<li><a href="/rails/mailers/notifier/bar">bar</a></li>', last_response.body
end
test "mailer previews are reloaded from a custom preview_path" do
add_to_config "config.action_mailer.preview_path = '#{app_path}/lib/mailer_previews'"
app('development')
get "/rails/mailers"
assert_no_match '<h3><a href="/rails/mailers/notifier">Notifier</a></h3>', last_response.body
mailer 'notifier', <<-RUBY
class Notifier < ActionMailer::Base
default from: "from@example.com"
def foo
mail to: "to@example.org"
end
end
RUBY
text_template 'notifier/foo', <<-RUBY
Hello, World!
RUBY
app_file 'lib/mailer_previews/notifier_preview.rb', <<-RUBY
class NotifierPreview < ActionMailer::Preview
def foo
Notifier.foo
end
end
RUBY
get "/rails/mailers"
assert_match '<h3><a href="/rails/mailers/notifier">Notifier</a></h3>', last_response.body
remove_file 'lib/mailer_previews/notifier_preview.rb'
sleep(1)
get "/rails/mailers"
assert_no_match '<h3><a href="/rails/mailers/notifier">Notifier</a></h3>', last_response.body
end
test "mailer preview not found" do
app('development')
get "/rails/mailers/notifier"
assert last_response.not_found?
assert_match "Mailer preview &#39;notifier&#39; not found", last_response.body
end
test "mailer preview email not found" do
mailer 'notifier', <<-RUBY
class Notifier < ActionMailer::Base
default from: "from@example.com"
def foo
mail to: "to@example.org"
end
end
RUBY
text_template 'notifier/foo', <<-RUBY
Hello, World!
RUBY
mailer_preview 'notifier', <<-RUBY
class NotifierPreview < ActionMailer::Preview
def foo
Notifier.foo
end
end
RUBY
app('development')
get "/rails/mailers/notifier/bar"
assert last_response.not_found?
assert_match "Email &#39;bar&#39; not found in NotifierPreview", last_response.body
end
test "mailer preview email part not found" do
mailer 'notifier', <<-RUBY
class Notifier < ActionMailer::Base
default from: "from@example.com"
def foo
mail to: "to@example.org"
end
end
RUBY
text_template 'notifier/foo', <<-RUBY
Hello, World!
RUBY
mailer_preview 'notifier', <<-RUBY
class NotifierPreview < ActionMailer::Preview
def foo
Notifier.foo
end
end
RUBY
app('development')
get "/rails/mailers/notifier/foo?part=text%2Fhtml"
assert last_response.not_found?
assert_match "Email part &#39;text/html&#39; not found in NotifierPreview#foo", last_response.body
end
test "message header uses full display names" do
mailer 'notifier', <<-RUBY
class Notifier < ActionMailer::Base
default from: "Ruby on Rails <core@rubyonrails.org>"
def foo
mail to: "Andrew White <andyw@pixeltrix.co.uk>",
cc: "David Heinemeier Hansson <david@heinemeierhansson.com>"
end
end
RUBY
text_template 'notifier/foo', <<-RUBY
Hello, World!
RUBY
mailer_preview 'notifier', <<-RUBY
class NotifierPreview < ActionMailer::Preview
def foo
Notifier.foo
end
end
RUBY
app('development')
get "/rails/mailers/notifier/foo"
assert_equal 200, last_response.status
assert_match "Ruby on Rails &lt;core@rubyonrails.org&gt;", last_response.body
assert_match "Andrew White &lt;andyw@pixeltrix.co.uk&gt;", last_response.body
assert_match "David Heinemeier Hansson &lt;david@heinemeierhansson.com&gt;", last_response.body
end
test "part menu selects correct option" do
mailer 'notifier', <<-RUBY
class Notifier < ActionMailer::Base
default from: "from@example.com"
def foo
mail to: "to@example.org"
end
end
RUBY
html_template 'notifier/foo', <<-RUBY
<p>Hello, World!</p>
RUBY
text_template 'notifier/foo', <<-RUBY
Hello, World!
RUBY
mailer_preview 'notifier', <<-RUBY
class NotifierPreview < ActionMailer::Preview
def foo
Notifier.foo
end
end
RUBY
app('development')
get "/rails/mailers/notifier/foo.html"
assert_equal 200, last_response.status
assert_match '<option selected value="?part=text%2Fhtml">View as HTML email</option>', last_response.body
get "/rails/mailers/notifier/foo.txt"
assert_equal 200, last_response.status
assert_match '<option selected value="?part=text%2Fplain">View as plain-text email</option>', last_response.body
end
test "*_path helpers emit a deprecation" do
app_file "config/routes.rb", <<-RUBY
Rails.application.routes.draw do
get 'foo', to: 'foo#index'
end
RUBY
mailer 'notifier', <<-RUBY
class Notifier < ActionMailer::Base
default from: "from@example.com"
def path_in_view
mail to: "to@example.org"
end
def path_in_mailer
@url = foo_path
mail to: "to@example.org"
end
end
RUBY
html_template 'notifier/path_in_view', "<%= link_to 'foo', foo_path %>"
mailer_preview 'notifier', <<-RUBY
class NotifierPreview < ActionMailer::Preview
def path_in_view
Notifier.path_in_view
end
def path_in_mailer
Notifier.path_in_mailer
end
end
RUBY
app('development')
assert_deprecated do
get "/rails/mailers/notifier/path_in_view.html"
assert_equal 200, last_response.status
end
html_template 'notifier/path_in_mailer', "No ERB in here"
assert_deprecated do
get "/rails/mailers/notifier/path_in_mailer.html"
assert_equal 200, last_response.status
end
end
private
def build_app
super
app_file "config/routes.rb", "Rails.application.routes.draw do; end"
end
def mailer(name, contents)
app_file("app/mailers/#{name}.rb", contents)
end
def mailer_preview(name, contents)
app_file("test/mailers/previews/#{name}_preview.rb", contents)
end
def html_template(name, contents)
app_file("app/views/#{name}.html.erb", contents)
end
def text_template(name, contents)
app_file("app/views/#{name}.text.erb", contents)
end
end
end