Add a unified render method to ActionMailer (delegates to ActionView::Base#render)

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@2037 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionmailer/CHANGELOG

@@ -1,5 +1,7 @@
 *SVN*
 
+* Add a unified render method to ActionMailer (delegates to ActionView::Base#render)
+
 * Move mailer initialization to a separate (overridable) method, so that subclasses may alter the various defaults #1727
 
 * Look at content-location header (if available) to determine filename of attachments #1670

actionmailer/lib/action_mailer/base.rb

@@ -156,7 +156,7 @@ module ActionMailer #:nodoc:
 
     adv_attr_accessor :recipients, :subject, :body, :from, :sent_on, :headers,
                       :bcc, :cc, :charset, :content_type, :implicit_parts_order,
-                      :template
+                      :template, :mailer_name
 
     attr_reader       :mail
 
@@ -269,17 +269,23 @@ module ActionMailer #:nodoc:
         @content_type = @@default_content_type.dup
         @implicit_parts_order = @@default_implicit_parts_order.dup
         @template = method_name
+        @mailer_name = Inflector.underscore(self.class.name)
         @parts = []
         @headers = {}
         @body = {}
       end
 
       def render_message(method_name, body)
-        initialize_template_class(body).render_file(method_name)
+        render :file => method_name, :body => body
       end
-        
+
+      def render(opts)
+        body = opts.delete(:body)
+        initialize_template_class(body).render(opts)
+      end
+
       def template_path
-        template_root + "/" + Inflector.underscore(self.class.name)
+        "#{template_root}/#{mailer_name}"
       end
 
       def initialize_template_class(assigns)

actionmailer/test/mail_render_test.rb

@@ -0,0 +1,48 @@
+$:.unshift(File.dirname(__FILE__) + "/../lib/")
+
+require 'test/unit'
+require 'action_mailer'
+
+class RenderMailer < ActionMailer::Base
+  def inline_template(recipient)
+    recipients recipient
+    subject    "using helpers"
+    from       "tester@example.com"
+    body       render(:inline => "Hello, <%= @world %>", :body => { :world => "Earth" })
+  end
+
+  def file_template(recipient)
+    recipients recipient
+    subject    "using helpers"
+    from       "tester@example.com"
+    body       render(:file => "signed_up", :body => { :recipient => recipient })
+  end
+
+  def initialize_defaults(method_name)
+    super
+    mailer_name "test_mailer"
+  end
+end
+
+RenderMailer.template_root = File.dirname(__FILE__) + "/fixtures"
+
+class RenderHelperTest < Test::Unit::TestCase
+  def setup
+    ActionMailer::Base.delivery_method = :test
+    ActionMailer::Base.perform_deliveries = true
+    ActionMailer::Base.deliveries = []
+
+    @recipient = 'test@localhost'
+  end
+
+  def test_inline_template
+    mail = RenderMailer.create_inline_template(@recipient)
+    assert_equal "Hello, Earth", mail.body.strip
+  end
+
+  def test_file_template
+    mail = RenderMailer.create_file_template(@recipient)
+    assert_equal "Hello there, \n\nMr. test@localhost", mail.body.strip
+  end
+end
+