Merge pull request #6 from stevenh512/render_options

Support custom renderer and render options

lib/markerb.rb

@@ -3,8 +3,9 @@
 require "markerb/railtie"
 
 module Markerb
-  mattr_accessor :processing_options
+  mattr_accessor :processing_options, :renderer
   @@processing_options = []
+  @@renderer = Redcarpet::Render::HTML
 
   class Handler
     def erb_handler
@@ -14,7 +15,7 @@ def erb_handler
     def call(template)
       compiled_source = erb_handler.call(template)
       if template.formats.include?(:html)
-        "Redcarpet::Markdown.new(Redcarpet::Render::HTML, *Markerb.processing_options).render(begin;#{compiled_source};end)"
+        "Redcarpet::Markdown.new(Markerb.renderer, *Markerb.processing_options).render(begin;#{compiled_source};end)"
       else
         compiled_source
       end

test/markerb_test.rb

@@ -21,6 +21,18 @@ def multiple_format_contact(recipient)
   end
 end
 
+class TestRenderer < Redcarpet::Render::HTML
+  attr_accessor :show_text
+  def initialize(render_options = {})
+    @show_text = render_options.delete(:show_text)
+    super(render_options)
+  end
+
+  def normal_text(text)
+    show_text ? "TEST #{text}" : "TEST"
+  end
+end
+
 class MarkerbTest < ActiveSupport::TestCase
 
   test "plain text should be sent as a plain text" do
@@ -46,4 +58,18 @@ class MarkerbTest < ActiveSupport::TestCase
     assert_equal "<p>Dual templates <strong>rocks</strong>!</p>",
       email.parts[1].body.encoded.strip
   end
+
+  test "with a custom renderer" do
+    Markerb.renderer = TestRenderer
+    email = Notifier.contact("you@example.com", :html)
+    assert_equal "text/html", email.mime_type
+    assert_equal "<p>TEST<strong>TEST</strong>TEST</p>", email.body.encoded.strip
+  end
+
+  test "with a custom renderer and options" do
+    Markerb.renderer = TestRenderer.new(:show_text => true)
+    email = Notifier.contact("you@example.com", :html)
+    assert_equal "text/html", email.mime_type
+    assert_equal "<p>TEST Dual templates <strong>TEST rocks</strong>TEST !</p>", email.body.encoded.strip
+  end
 end