From 8ed83b9b1efbe94728f9b504ff58f06cc41f9fed Mon Sep 17 00:00:00 2001
From: Jeremy Kemper <jeremy@bitsweat.net>
Date: Tue, 20 Nov 2007 22:01:04 +0000
Subject: validates_inclusion_of and validates_exclusion_of allow formatted
 :message strings. Closes #8132 [devrieda, Mike Naberezny]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@8172 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
---
 activerecord/CHANGELOG                        |  2 ++
 activerecord/lib/active_record/validations.rb | 10 ++++++----
 activerecord/test/validations_test.rb         | 22 ++++++++++++++++++++++
 3 files changed, 30 insertions(+), 4 deletions(-)

diff --git a/activerecord/CHANGELOG b/activerecord/CHANGELOG
index b0789b4694..cba28c8393 100644
--- a/activerecord/CHANGELOG
+++ b/activerecord/CHANGELOG
@@ -2,6 +2,8 @@
 
 * Add 'foxy' support for fixtures of polymorphic associations. #10183 [jbarnette, David Lowenfels]
 
+* validates_inclusion_of and validates_exclusion_of allow formatted :message strings.  #8132 [devrieda, Mike Naberezny]
+
 * attr_readonly behaves well with optimistic locking.  #10188 [Nick Bugajski]
 
 * Base#to_xml supports the nil="true" attribute like Hash#to_xml.  #8268 [Catfish]
diff --git a/activerecord/lib/active_record/validations.rb b/activerecord/lib/active_record/validations.rb
index 24b29b1ec8..21d57576f8 100755
--- a/activerecord/lib/active_record/validations.rb
+++ b/activerecord/lib/active_record/validations.rb
@@ -689,8 +689,9 @@ module ActiveRecord
       # Validates whether the value of the specified attribute is available in a particular enumerable object.
       #
       #   class Person < ActiveRecord::Base
-      #     validates_inclusion_of :gender, :in=>%w( m f ), :message=>"woah! what are you then!??!!"
-      #     validates_inclusion_of :age, :in=>0..99
+      #     validates_inclusion_of :gender, :in => %w( m f ), :message => "woah! what are you then!??!!"
+      #     validates_inclusion_of :age, :in => 0..99
+      #     validates_inclusion_of :format, :in => %w( jpg gif png ), :message => "extension %s is not included in the list"
       #   end
       #
       # Configuration options:
@@ -713,7 +714,7 @@ module ActiveRecord
         raise(ArgumentError, "An object with the method include? is required must be supplied as the :in option of the configuration hash") unless enum.respond_to?("include?")
 
         validates_each(attr_names, configuration) do |record, attr_name, value|
-          record.errors.add(attr_name, configuration[:message]) unless enum.include?(value)
+          record.errors.add(attr_name, configuration[:message] % value) unless enum.include?(value)
         end
       end
 
@@ -722,6 +723,7 @@ module ActiveRecord
       #   class Person < ActiveRecord::Base
       #     validates_exclusion_of :username, :in => %w( admin superuser ), :message => "You don't belong here"
       #     validates_exclusion_of :age, :in => 30..60, :message => "This site is only for under 30 and over 60"
+      #     validates_exclusion_of :format, :in => %w( mov avi ), :message => "extension %s is not allowed"
       #   end
       #
       # Configuration options:
@@ -744,7 +746,7 @@ module ActiveRecord
         raise(ArgumentError, "An object with the method include? is required must be supplied as the :in option of the configuration hash") unless enum.respond_to?("include?")
 
         validates_each(attr_names, configuration) do |record, attr_name, value|
-          record.errors.add(attr_name, configuration[:message]) if enum.include?(value)
+          record.errors.add(attr_name, configuration[:message] % value) if enum.include?(value)
         end
       end
 
diff --git a/activerecord/test/validations_test.rb b/activerecord/test/validations_test.rb
index 2f67e9a36d..03d5da4990 100755
--- a/activerecord/test/validations_test.rb
+++ b/activerecord/test/validations_test.rb
@@ -547,6 +547,17 @@ class ValidationsTest < Test::Unit::TestCase
     assert Topic.create("title" => "abcde").valid?
   end
 
+  def test_validates_inclusion_of_with_formatted_message
+    Topic.validates_inclusion_of( :title, :in => %w( a b c d e f g ), :message => "option %s is not in the list" )
+
+    assert Topic.create("title" => "a", "content" => "abc").valid?
+
+    t = Topic.create("title" => "uhoh", "content" => "abc")
+    assert !t.valid?
+    assert t.errors.on(:title)
+    assert_equal "option uhoh is not in the list", t.errors["title"]
+  end
+
   def test_numericality_with_allow_nil_and_getter_method
     Developer.validates_numericality_of( :salary, :allow_nil => true)
     developer = Developer.new("name" => "michael", "salary" => nil)
@@ -561,6 +572,17 @@ class ValidationsTest < Test::Unit::TestCase
     assert !Topic.create("title" => "monkey", "content" => "abc").valid?
   end
 
+  def test_validates_exclusion_of_with_formatted_message
+    Topic.validates_exclusion_of( :title, :in => %w( abe monkey ), :message => "option %s is restricted" )
+
+    assert Topic.create("title" => "something", "content" => "abc")
+
+    t = Topic.create("title" => "monkey")
+    assert !t.valid?
+    assert t.errors.on(:title)
+    assert_equal "option monkey is restricted", t.errors["title"]
+  end
+
   def test_validates_length_of_using_minimum
     Topic.validates_length_of :title, :minimum => 5
 
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