test: cover MailerUrlForTest, welcome and MessageEncryptorTest

test/test_mailer_url_for.rb

@@ -0,0 +1,86 @@
+require 'minitest/autorun'
+require 'prism'
+require 'tmpdir'
+require 'fileutils'
+
+class MailerUrlForTest < Minitest::Test
+  def setup
+    @dir = Dir.mktmpdir('prism-mailer-url-for')
+    FileUtils.mkdir_p(File.join(@dir, 'url_for'))
+    write('url_for/welcome.text.erb', "Click here: <%= url_for(:confirmation, id: user_id) %>\n")
+
+    @router = Prism::Router.new
+    @router.add('get', '/confirmations/:id', name: :confirmation)
+
+    mailer_dir = @dir
+    @mailer_class = Class.new(Prism::Mailer::Base) do
+      self.template_roots = [mailer_dir]
+
+      def welcome(user_id)
+        @user_id = user_id
+        mail(to: 'someone@example.com', subject: 'Welcome!')
+      end
+    end
+    Object.const_set(:UrlForMailer, @mailer_class)
+  end
+
+  def teardown
+    Object.send(:remove_const, :UrlForMailer) if Object.const_defined?(:UrlForMailer)
+    FileUtils.remove_entry(@dir)
+    Prism::Mailer.router = nil
+    Prism::Mailer.default_url_options = nil
+  end
+
+  def write(relative, source)
+    File.write(File.join(@dir, relative), source)
+  end
+
+  def test_url_for_raises_without_a_configured_router
+    Prism::Mailer.router = nil
+    error = assert_raises(RuntimeError) { UrlForMailer.welcome(42) }
+    assert_match(/no router configured/, error.message)
+  end
+
+  def test_url_for_raises_without_a_host
+    Prism::Mailer.router = @router
+    error = assert_raises(ArgumentError) { UrlForMailer.welcome(42) }
+    assert_match(/:host/, error.message)
+  end
+
+  def test_url_for_builds_an_absolute_url_from_global_default_url_options
+    Prism::Mailer.router = @router
+    Prism::Mailer.default_url_options = { host: 'example.com' }
+
+    body = UrlForMailer.welcome(42).message.text_body
+    assert_equal "Click here: http://example.com/confirmations/42\n", body
+  end
+
+  def test_per_mailer_class_default_url_options_win_over_the_global_ones
+    Prism::Mailer.router = @router
+    Prism::Mailer.default_url_options = { host: 'example.com', protocol: 'http' }
+    UrlForMailer.default_url_options(host: 'mail.example.com', protocol: 'https')
+
+    body = UrlForMailer.welcome(42).message.text_body
+    assert_equal "Click here: https://mail.example.com/confirmations/42\n", body
+  end
+
+  def test_port_is_included_when_given
+    Prism::Mailer.router = @router
+    Prism::Mailer.default_url_options = { host: 'example.com', port: 3000 }
+
+    body = UrlForMailer.welcome(42).message.text_body
+    assert_equal "Click here: http://example.com:3000/confirmations/42\n", body
+  end
+
+  def test_application_enable_mailer_wires_router_and_default_url_options
+    app_class = Class.new(Prism::Application)
+    app_class.router.add('get', '/confirmations/:id', name: :confirmation)
+    app_class.enable_mailer(host: 'app.example.com', protocol: 'https')
+
+    assert_same app_class.router, Prism::Mailer.router
+    assert_equal({ host: 'app.example.com', protocol: 'https' }, Prism::Mailer.default_url_options)
+
+    body = UrlForMailer.welcome(7).message.text_body
+    assert_equal "Click here: https://app.example.com/confirmations/7\n", body
+  end
+end