Add helper for I18n setup so that each test file can run individually

Author: tjgrathwell

spec/markdown_spec.rb

@@ -1,8 +1,11 @@
 require "spec_helper"
-
+require "site"
 require "markdown_page"
 
 describe MarkdownPage do
+  before do
+    setup_test_translations
+  end
 
   it "renders markdown into html" do
     src = <<-MARKDOWN.strip_heredoc

spec/spec_helper.rb

@@ -8,12 +8,15 @@
 require "files"
 require 'active_support/core_ext/string/strip'
 
+Dir[File.join(top, "spec/support/**/*.rb")].each {|f| require f}
+
 def assert_loosely_equal lhs, rhs
   assert { lhs.gsub(/\n\s*/, '') == rhs.gsub(/\n\s*/, '') }
 end
 
 RSpec.configure do |c|
   c.include Files
+  c.include I18nHelper
 
   c.expect_with :rspec do |expectations|
     expectations.syntax = [:expect, :should]

spec/step_page_spec.rb

@@ -1,9 +1,11 @@
 require "spec_helper"
-
+require "site"
 require "step_page"
 
 describe StepPage do
-  before { I18n.locale = :en }
+  before do
+    setup_test_translations
+  end
 
   # functional test -- brittle
   it "renders a step file" do

spec/step_spec.rb

@@ -1,9 +1,11 @@
 require 'spec_helper'
-
+require "site"
 require "step_page"
 
 describe Step do
-  before { I18n.locale = :en }
+  before do
+    setup_test_translations
+  end
 
   def to_html nokogiri_node
     nokogiri_node.serialize(:save_with => 0).chomp

spec/support/i18n_helper.rb

@@ -0,0 +1,15 @@
+require 'i18n'
+
+module I18nHelper
+  def setup_test_translations
+    here = File.expand_path File.dirname(__FILE__)
+    top = File.expand_path "#{here}/../.."
+
+    I18n::Backend::Simple.include(I18n::Backend::Fallbacks)
+    I18n.load_path = Dir[File.join(top, 'locales', '*.yml')]
+    I18n.backend.load_translations
+
+    I18n.available_locales = Dir['sites/*'].map { |path| File.basename(path).to_sym }
+    I18n.locale = :en
+  end
+end