fixes for latest I18n interpolation token detection

lib/validates_timeliness.rb

@@ -2,10 +2,18 @@ require 'validates_timeliness/formats'
 require 'validates_timeliness/parser'
 require 'validates_timeliness/validator'
 require 'validates_timeliness/validation_methods'
-
 require 'validates_timeliness/active_record/attribute_methods'
 require 'validates_timeliness/active_record/multiparameter_attributes'
 require 'validates_timeliness/action_view/instance_tag'
+begin
+  i18n_path = $:.grep(/active_support\/vendor\/i18n-/)
+  if i18n_path.empty?
+    require 'i18n/version'
+  else
+    require i18n_path[0] + '/version'
+  end
+rescue LoadError
+end if defined?(I18n)
 
 module ValidatesTimeliness
 
@@ -15,7 +23,9 @@ module ValidatesTimeliness
   mattr_accessor :use_time_zones
   self.use_time_zones = false
 
-  LOCALE_PATH = File.expand_path(File.dirname(__FILE__) + '/validates_timeliness/locale/en.yml')
+  I18N_LATEST = defined?(I18n::VERSION) && I18n::VERSION >= '0.4.0'
+  locale_file = I18N_LATEST ? 'en.new.yml' : 'en.old.yml'
+  LOCALE_PATH = File.expand_path(File.join(File.dirname(__FILE__),'validates_timeliness','locale',locale_file))
 
   class << self
 

lib/validates_timeliness/locale/en.new.yml

@@ -0,0 +1,18 @@
+en:
+  activerecord:
+    errors:
+      messages:
+        invalid_date: "is not a valid date"
+        invalid_time: "is not a valid time"
+        invalid_datetime: "is not a valid datetime"
+        is_at: "must be at %{restriction}"
+        before: "must be before %{restriction}"
+        on_or_before: "must be on or before %{restriction}"
+        after: "must be after %{restriction}"
+        on_or_after: "must be on or after %{restriction}"
+        between: "must be between %{earliest} and %{latest}"
+  validates_timeliness:
+    error_value_formats:
+      date: '%Y-%m-%d'
+      time: '%H:%M:%S'
+      datetime: '%Y-%m-%d %H:%M:%S'

spec/ginger_scenarios.rb

@@ -9,7 +9,7 @@
 #   ginger spec
 #
 Ginger.configure do |config|
-  rails_versions = ['2.0.2', '2.1.2', '2.2.2', '2.3.3', '2.3.4', '2.3.5']
+  rails_versions = ['2.0.2', '2.1.2', '2.2.2', '2.3.3', '2.3.4', '2.3.5', '2.3.6', '2.3.9']
 
   rails_versions.each do |v|
     g = Ginger::Scenario.new("Rails #{v}")

spec/validator_spec.rb

@@ -3,6 +3,14 @@ require File.expand_path(File.dirname(__FILE__) + '/spec_helper')
 describe ValidatesTimeliness::Validator do
   attr_accessor :person, :validator
 
+  if ValidatesTimeliness::I18N_LATEST
+    I18N_REGEXP = /\%\{\w*\}/
+    I18N_INTERPOLATION = '%{%s}'
+  else
+    I18N_REGEXP = /\{\{\w*\}\}/
+    I18N_INTERPOLATION = '{{%s}}'
+  end
+
   before :all do
     # freezes time using time_travel plugin
     Time.now = Time.utc(2000, 1, 1, 0, 0, 0)
@@ -513,8 +521,9 @@ describe ValidatesTimeliness::Validator do
 
     describe "localized error messages" do
       before(:all) do
+        message = "retfa #{I18N_INTERPOLATION}" % 'restriction'
         translations = {
-          :activerecord => {:errors => {:messages => { :after => 'retfa {{restriction}}' }}},
+          :activerecord => {:errors => {:messages => { :after => message }}},
           :validates_timeliness => {:error_value_formats => {}}
         }
         I18n.backend.store_translations 'zz', translations
@@ -616,7 +625,8 @@ describe ValidatesTimeliness::Validator do
 
         describe "I18n" do
           it "should use global default if locale format missing" do
-            I18n.backend.store_translations 'zz', :activerecord => {:errors => {:messages => { :after => 'after {{restriction}}' }}}
+            message = "after #{I18N_INTERPOLATION}" % 'restriction'
+            I18n.backend.store_translations 'zz', :activerecord => {:errors => {:messages => { :after => message }}}
             I18n.locale = :zz
             configure_validator(:type => :datetime, :after => 1.day.from_now)
             validate_with(:birth_date_and_time, Time.now)
@@ -708,6 +718,6 @@ describe ValidatesTimeliness::Validator do
   def error_messages
     return @error_messages if defined?(@error_messages)
     messages = defined?(I18n) ? I18n.t('activerecord.errors.messages') : validator.send(:error_messages)
-    @error_messages = messages.inject({}) {|h, (k, v)| h[k] = v.sub(/ (\%s|\{\{\w*\}\}).*/, ''); h }
+    @error_messages = messages.inject({}) {|h, (k, v)| h[k] = v.sub(/ (\%s|#{I18N_REGEXP}).*/, ''); h }
   end
 end