Add option to show browser's local time (#1653)

* Add tests for --local-time option
* Update Readme

test/test_app.rb

@@ -121,7 +121,7 @@ EOF
     
     post "/gollum/edit/A", :content => 'def', :page => 'A',
          :format => page.format, :message => 'def', :etag => old_sha
-    assert_equal last_response.status, 412    
+    assert_equal last_response.status, 412
   end
 
   test "edit page with empty message" do
@@ -328,9 +328,9 @@ EOF
     page='_Template'
     post '/gollum/create', :content => 'fake template with some Utf-8: Ü', :page => page,
       :path               => '/', :format => 'markdown', :message => ''
-    follow_redirect!      
+    follow_redirect!
     assert last_response.ok?
-    @wiki.clear_cache    
+    @wiki.clear_cache
     get "/gollum/create/TT"
     assert last_response.ok?
     post '/gollum/delete/_Template'
@@ -338,7 +338,7 @@ EOF
   end
 
   test "create with template succeed if template doesn't exist" do
-    Precious::App.set(:wiki_options, { :template_page => true }) 
+    Precious::App.set(:wiki_options, { :template_page => true })
     get "/gollum/create/TT"
     assert last_response.ok?
     Precious::App.set(:wiki_options, { :template_page => false })
@@ -824,7 +824,7 @@ context "Frontend with lotr" do
     assert last_response.ok?
     assert_equal last_response.body.include?('delete-link'), false
     assert_equal last_response.body.include?('page-info-toggle'), false
-    assert last_response.body.include?('This version of the page was edited by <b>Tom Preston-Werner</b> at 2010-04-07')
+    assert_match %r{This version of the page was edited by <b>Tom Preston-Werner</b> at <time datetime="2010-04-07T19:49:43Z" data-format="%Y-%m-%d %H:%M:%S">\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}</time>.}, last_response.body
     assert last_response.body.include?("<a href=\"/Bilbo-Baggins.md\">View the most recent version.</a></p>")
   end
 
@@ -995,5 +995,5 @@ context 'Frontend with base path' do
   
   def app
     Precious::MapGollum.new(@base_path)
-  end  
+  end
 end

test/test_local_time_option.rb

@@ -0,0 +1,66 @@
+# ~*~ encoding: utf-8 ~*~
+require File.expand_path(File.join(File.dirname(__FILE__), 'helper'))
+require 'nokogiri'
+require 'json'
+require 'time'
+
+def local_time
+  Precious::App.set(:wiki_options, { show_local_time: true})
+end
+
+def no_local_time
+  Precious::App.set(:wiki_options, { show_local_time: false})
+end
+
+def assert_time_tags(body)
+  tags = Nokogiri::HTML(body).css('time')
+  assert_equal tags.empty?, false
+  tags.each do |tag|
+    assert Time.parse(tag[:datetime]).utc?
+  end
+end
+
+context ":show_local_time option" do
+  include Rack::Test::Methods
+  
+  setup do
+    @path = cloned_testpath('examples/lotr.git')
+    @wiki = Gollum::Wiki.new(@path)
+    Precious::App.set(:gollum_path, @path)
+    local_time()
+  end
+
+  teardown do
+    FileUtils.rm_rf(@path)
+  end
+
+  test "last_commit_info no local time" do
+    no_local_time()
+    get '/gollum/last_commit_info', {path: 'Home.textile'}
+    assert_equal Time.parse(JSON.parse(last_response.body)['date']).utc?, false
+  end
+  
+  test "last_commit_info local time" do
+    local_time()
+    get '/gollum/last_commit_info', {path: 'Home.textile'}
+    assert Time.parse(JSON.parse(last_response.body)['date']).utc?
+  end
+  
+  test "datetime attributes in utc" do
+    get '/Home/b0d108328459e44fff4a76cd19b10ddc34adce4b'
+    assert_time_tags last_response.body
+    
+    get '/gollum/latest_changes'
+    assert_time_tags last_response.body
+    
+    get '/gollum/history/Home'
+    assert_time_tags last_response.body
+    
+    get '/gollum/commit/b0d108328459e44fff4a76cd19b10ddc34adce4b'
+    assert_time_tags last_response.body
+  end
+
+  def app
+    Precious::App
+  end
+end