Started setup for doctest

Gemfile

@@ -0,0 +1,11 @@
+source 'https://rubygems.org'
+
+ruby '2.1.2'
+
+gem 'asciidoctor', '~> 1.5.0', '>= 1.5.0'
+
+gem 'rake', '~> 10.0'
+
+# gem 'aruba'
+
+gem 'asciidoctor-doctest', '~> 1.5'

Rakefile

@@ -3,6 +3,11 @@ require File.expand_path('lib/asciidoctor-latex/version', File.dirname(__FILE__)
 
 require 'rake/clean'
 
+require 'asciidoctor/doctest'
+require 'rake/testtask'
+require 'thread_safe'
+# require 'tilt'
+
 default_tasks = []
 
 begin
@@ -78,3 +83,23 @@ end
 # =end
 
 task :default => default_tasks unless default_tasks.empty?
+
+################################################################
+
+Rake::TestTask.new(:test) do |task|
+  task.description = 'Run tests for templates'
+  task.pattern = 'test/templates_test.rb'
+  task.libs << 'test'
+end
+
+DocTest::GeneratorTask.new(:generate) do |task|
+  task.output_suite = DocTest::HTML::ExamplesSuite.new(examples_path: 'test/examples/html')
+  task.renderer_opts[:template_dirs] = 'data/templates'
+  #
+  # add extra input examples (optional)
+  task.examples_path.unshift 'test/examples/adoc'
+end
+
+# When no task specified, run test.
+task :default => :test
+

asciidoctor-latex.gemspec

@@ -36,5 +36,5 @@ An extension for Asciidoctor that converts AsciiDoc documents to LaTeX.
 
   s.add_runtime_dependency 'asciidoctor', '~> 1.5.0', '>= 1.5.0'
 
-  spec.add_development_dependency("aruba")
+  # spec.add_development_dependency("aruba")
 end

test/templates_test.rb

@@ -0,0 +1,6 @@
+require 'test_helper'
+
+class TestTemplates < DocTest::Test
+  renderer_opts template_dirs: 'data/templates'
+  generate_tests! DocTest::HTML::ExamplesSuite
+end

test/test_helper.rb

@@ -0,0 +1,17 @@
+require 'asciidoctor/doctest'
+require 'minitest/autorun'
+
+# used to colorize output
+require 'minitest/rg'
+
+# needed if you're testing templates-based backend
+# require 'tilt'
+
+# extra input examples (optional)
+DocTest.examples_path.unshift 'test/examples/adoc'
+
+# output examples
+DocTest.examples_path.unshift 'test/examples/html'
+
+# output examples
+DocTest.examples_path.unshift 'test/examples/tex'