Use Prawn::Document.extensions in favor of custom plug-in loading

Gemfile

@@ -1,5 +1,3 @@
 source "http://rubygems.org"
 
-gem 'prawn-svg', require: false # to test prawn plugin LoadError
-
 gemspec

lib/prawn-rails/document.rb

@@ -1,11 +1,15 @@
 require 'prawn'
-require 'prawn-rails/load_prawn_plugins'
+require 'prawn/table'
 
 module PrawnRails
 
   # This derives from Prawn::Document in order to override defaults. 
   # Note that the Prawn::Document behaviour itself shouldn't be changed.
   class Document < Prawn::Document
+    def self.extensions
+      Prawn::Document.extensions
+    end
+
     def initialize(opts = {})
       if PrawnRails.config.respond_to?(:to_h)
         default = PrawnRails.config.to_h.merge(opts)

test/dummy_app/config/application.rb

@@ -4,10 +4,6 @@
 
 Bundler.require
 
-silence_warnings do
-  require 'prawn-svg'
-end
-
 require "prawn-rails"
 
 module Dummy

test/prawn_rails_test.rb

@@ -1,11 +1,23 @@
 ### FOR GENERIC NON-RAILS TESTS
 
 require 'test_helper'
+require 'pdf/reader'
 
 class PrawnRailsTest < ActiveSupport::TestCase
+  include PrawnRails::RailsHelper
 
-  test "config" do
-    assert true
-  end
+  test "text can take non strings" do
+    @filename = ""
+
+    output = prawn_document do |pdf|
+      pdf.text "Number:"
+      pdf.text 10
+    end
 
+    reader = PDF::Reader.new(StringIO.new(output))
+    assert_not_nil(reader)
+
+    page = reader.page(1).to_s
+    assert page.include?("Number:\n10")
+  end
 end