From 08a99d0eac9370b590220953283475e00e3183e6 Mon Sep 17 00:00:00 2001
From: Pratik Naik <pratiknaik@gmail.com>
Date: Fri, 20 Mar 2009 21:40:37 +0000
Subject: Add I18n translations to ActiveModel and move more AR specific parts
 to ActiveRecord::Validations

---
 .../i18n_generate_message_validation_test.rb       | 129 +++++
 .../test/cases/validations/i18n_validation_test.rb | 613 +++++++++++++++++++++
 activerecord/test/cases/validations_test.rb        |  12 +
 3 files changed, 754 insertions(+)

(limited to 'activerecord/test/cases')

diff --git a/activerecord/test/cases/validations/i18n_generate_message_validation_test.rb b/activerecord/test/cases/validations/i18n_generate_message_validation_test.rb
index e7ba6f2155..29c10de4fe 100644
--- a/activerecord/test/cases/validations/i18n_generate_message_validation_test.rb
+++ b/activerecord/test/cases/validations/i18n_generate_message_validation_test.rb
@@ -25,6 +25,135 @@ class I18nGenerateMessageValidationTest < Test::Unit::TestCase
     end
   end
 
+  # validates_inclusion_of: generate_message(attr_name, :inclusion, :default => configuration[:message], :value => value)
+  def test_generate_message_inclusion_with_default_message
+    assert_equal 'is not included in the list', @topic.errors.generate_message(:title, :inclusion, :default => nil, :value => 'title')
+  end
+
+  def test_generate_message_inclusion_with_custom_message
+    assert_equal 'custom message title', @topic.errors.generate_message(:title, :inclusion, :default => 'custom message {{value}}', :value => 'title')
+  end
+
+  # validates_exclusion_of: generate_message(attr_name, :exclusion, :default => configuration[:message], :value => value)
+  def test_generate_message_exclusion_with_default_message
+    assert_equal 'is reserved', @topic.errors.generate_message(:title, :exclusion, :default => nil, :value => 'title')
+  end
+
+  def test_generate_message_exclusion_with_custom_message
+    assert_equal 'custom message title', @topic.errors.generate_message(:title, :exclusion, :default => 'custom message {{value}}', :value => 'title')
+  end
+
+  # validates_associated: generate_message(attr_name, :invalid, :default => configuration[:message], :value => value)
+  # validates_format_of:  generate_message(attr_name, :invalid, :default => configuration[:message], :value => value)
+  def test_generate_message_invalid_with_default_message
+    assert_equal 'is invalid', @topic.errors.generate_message(:title, :invalid, :default => nil, :value => 'title')
+  end
+
+  def test_generate_message_invalid_with_custom_message
+    assert_equal 'custom message title', @topic.errors.generate_message(:title, :invalid, :default => 'custom message {{value}}', :value => 'title')
+  end
+
+  # validates_confirmation_of: generate_message(attr_name, :confirmation, :default => configuration[:message])
+  def test_generate_message_confirmation_with_default_message
+    assert_equal "doesn't match confirmation", @topic.errors.generate_message(:title, :confirmation, :default => nil)
+  end
+
+  def test_generate_message_confirmation_with_custom_message
+    assert_equal 'custom message', @topic.errors.generate_message(:title, :confirmation, :default => 'custom message')
+  end
+
+  # validates_acceptance_of: generate_message(attr_name, :accepted, :default => configuration[:message])
+  def test_generate_message_accepted_with_default_message
+    assert_equal "must be accepted", @topic.errors.generate_message(:title, :accepted, :default => nil)
+  end
+
+  def test_generate_message_accepted_with_custom_message
+    assert_equal 'custom message', @topic.errors.generate_message(:title, :accepted, :default => 'custom message')
+  end
+
+  # add_on_empty: generate_message(attr, :empty, :default => custom_message)
+  def test_generate_message_empty_with_default_message
+    assert_equal "can't be empty", @topic.errors.generate_message(:title, :empty, :default => nil)
+  end
+
+  def test_generate_message_empty_with_custom_message
+    assert_equal 'custom message', @topic.errors.generate_message(:title, :empty, :default => 'custom message')
+  end
+
+  # add_on_blank: generate_message(attr, :blank, :default => custom_message)
+  def test_generate_message_blank_with_default_message
+    assert_equal "can't be blank", @topic.errors.generate_message(:title, :blank, :default => nil)
+  end
+
+  def test_generate_message_blank_with_custom_message
+    assert_equal 'custom message', @topic.errors.generate_message(:title, :blank, :default => 'custom message')
+  end
+
+  # validates_length_of: generate_message(attr, :too_long, :default => options[:too_long], :count => option_value.end)
+  def test_generate_message_too_long_with_default_message
+    assert_equal "is too long (maximum is 10 characters)", @topic.errors.generate_message(:title, :too_long, :default => nil, :count => 10)
+  end
+
+  def test_generate_message_too_long_with_custom_message
+    assert_equal 'custom message 10', @topic.errors.generate_message(:title, :too_long, :default => 'custom message {{count}}', :count => 10)
+  end
+
+  # validates_length_of: generate_message(attr, :too_short, :default => options[:too_short], :count => option_value.begin)
+  def test_generate_message_too_short_with_default_message
+    assert_equal "is too short (minimum is 10 characters)", @topic.errors.generate_message(:title, :too_short, :default => nil, :count => 10)
+  end
+
+  def test_generate_message_too_short_with_custom_message
+    assert_equal 'custom message 10', @topic.errors.generate_message(:title, :too_short, :default => 'custom message {{count}}', :count => 10)
+  end
+
+  # validates_length_of: generate_message(attr, key, :default => custom_message, :count => option_value)
+  def test_generate_message_wrong_length_with_default_message
+    assert_equal "is the wrong length (should be 10 characters)", @topic.errors.generate_message(:title, :wrong_length, :default => nil, :count => 10)
+  end
+
+  def test_generate_message_wrong_length_with_custom_message
+    assert_equal 'custom message 10', @topic.errors.generate_message(:title, :wrong_length, :default => 'custom message {{count}}', :count => 10)
+  end
+
+  # validates_numericality_of: generate_message(attr_name, :not_a_number, :value => raw_value, :default => configuration[:message])
+  def test_generate_message_not_a_number_with_default_message
+    assert_equal "is not a number", @topic.errors.generate_message(:title, :not_a_number, :default => nil, :value => 'title')
+  end
+
+  def test_generate_message_not_a_number_with_custom_message
+    assert_equal 'custom message title', @topic.errors.generate_message(:title, :not_a_number, :default => 'custom message {{value}}', :value => 'title')
+  end
+
+  # validates_numericality_of: generate_message(attr_name, option, :value => raw_value, :default => configuration[:message])
+  def test_generate_message_greater_than_with_default_message
+    assert_equal "must be greater than 10", @topic.errors.generate_message(:title, :greater_than, :default => nil, :value => 'title', :count => 10)
+  end
+
+  def test_generate_message_greater_than_or_equal_to_with_default_message
+    assert_equal "must be greater than or equal to 10", @topic.errors.generate_message(:title, :greater_than_or_equal_to, :default => nil, :value => 'title', :count => 10)
+  end
+
+  def test_generate_message_equal_to_with_default_message
+    assert_equal "must be equal to 10", @topic.errors.generate_message(:title, :equal_to, :default => nil, :value => 'title', :count => 10)
+  end
+
+  def test_generate_message_less_than_with_default_message
+    assert_equal "must be less than 10", @topic.errors.generate_message(:title, :less_than, :default => nil, :value => 'title', :count => 10)
+  end
+
+  def test_generate_message_less_than_or_equal_to_with_default_message
+    assert_equal "must be less than or equal to 10", @topic.errors.generate_message(:title, :less_than_or_equal_to, :default => nil, :value => 'title', :count => 10)
+  end
+
+  def test_generate_message_odd_with_default_message
+    assert_equal "must be odd", @topic.errors.generate_message(:title, :odd, :default => nil, :value => 'title', :count => 10)
+  end
+
+  def test_generate_message_even_with_default_message
+    assert_equal "must be even", @topic.errors.generate_message(:title, :even, :default => nil, :value => 'title', :count => 10)
+  end
+
   # validates_uniqueness_of: generate_message(attr_name, :taken, :default => configuration[:message])
   def test_generate_message_taken_with_default_message
     assert_equal "has already been taken", @topic.errors.generate_message(:title, :taken, :default => nil, :value => 'title')
diff --git a/activerecord/test/cases/validations/i18n_validation_test.rb b/activerecord/test/cases/validations/i18n_validation_test.rb
index c453672815..4b34a65bb7 100644
--- a/activerecord/test/cases/validations/i18n_validation_test.rb
+++ b/activerecord/test/cases/validations/i18n_validation_test.rb
@@ -38,6 +38,80 @@ class I18nValidationTest < ActiveRecord::TestCase
     end
   end
 
+  def test_default_error_messages_is_deprecated
+    assert_deprecated('Errors.default_error_messages') do
+      ActiveRecord::Errors.default_error_messages
+    end
+  end
+
+  def test_errors_generate_message_translates_custom_model_attribute_key
+    I18n.expects(:translate).with(
+      :topic,
+      { :count => 1,
+        :default => ['Topic'],
+        :scope => [:activerecord, :models]
+      }
+    ).returns('Topic')
+
+    I18n.expects(:translate).with(
+      :"topic.title",
+      { :count => 1,
+        :default => ['Title'],
+        :scope => [:activerecord, :attributes]
+      }
+    ).returns('Title')
+
+    I18n.expects(:translate).with(
+      :"models.topic.attributes.title.invalid",
+      :value => nil,
+      :scope => [:activerecord, :errors],
+      :default => [
+        :"models.topic.invalid",
+        'default from class def error 1',
+        :"messages.invalid"],
+      :attribute => "Title",
+      :model => "Topic"
+    ).returns('default from class def error 1')
+
+    @topic.errors.generate_message :title, :invalid, :default => 'default from class def error 1'
+  end
+
+  def test_errors_generate_message_translates_custom_model_attribute_keys_with_sti
+
+    I18n.expects(:translate).with(
+      :reply,
+      { :count => 1,
+        :default => [:topic, 'Reply'],
+        :scope => [:activerecord, :models]
+      }
+    ).returns('Reply')
+
+    I18n.expects(:translate).with(
+      :"reply.title",
+      { :count => 1,
+        :default => [:'topic.title', 'Title'],
+        :scope => [:activerecord, :attributes]
+      }
+    ).returns('Title')
+
+    I18n.expects(:translate).with(
+      :"models.reply.attributes.title.invalid",
+      :value => nil,
+      :scope => [:activerecord, :errors],
+      :default => [
+        :"models.reply.invalid",
+        :"models.topic.attributes.title.invalid",
+        :"models.topic.invalid",
+        'default from class def',
+        :"messages.invalid"],
+      :model => 'Reply',
+      :attribute => 'Title'
+    ).returns("default from class def")
+
+    Reply.new.errors.generate_message :title, :invalid, :default => 'default from class def'
+
+  end
+
   # validates_uniqueness_of w/ mocha
 
   def test_validates_uniqueness_of_generates_message
@@ -86,4 +160,543 @@ class I18nValidationTest < ActiveRecord::TestCase
     replied_topic.valid?
     assert_equal ['global message'], replied_topic.errors[:replies]
   end
+
+  def test_errors_add_on_empty_generates_message
+    @topic.errors.expects(:generate_message).with(:title, :empty, {:default => nil})
+    @topic.errors.add_on_empty :title
+  end
+
+  def test_errors_add_on_empty_generates_message_with_custom_default_message
+    @topic.errors.expects(:generate_message).with(:title, :empty, {:default => 'custom'})
+    @topic.errors.add_on_empty :title, 'custom'
+  end
+
+  def test_errors_add_on_blank_generates_message
+    @topic.errors.expects(:generate_message).with(:title, :blank, {:default => nil})
+    @topic.errors.add_on_blank :title
+  end
+
+  def test_errors_add_on_blank_generates_message_with_custom_default_message
+    @topic.errors.expects(:generate_message).with(:title, :blank, {:default => 'custom'})
+    @topic.errors.add_on_blank :title, 'custom'
+  end
+
+  def test_errors_full_messages_translates_human_attribute_name_for_model_attributes
+    @topic.errors.add('title', 'empty')
+    I18n.expects(:translate).with(:"topic.title", :default => ['Title'], :scope => [:activerecord, :attributes], :count => 1).returns('Title')
+    @topic.errors.full_messages :locale => 'en'
+  end
+
+  # ActiveRecord::Validations
+  # validates_confirmation_of w/ mocha
+  def test_validates_confirmation_of_generates_message
+    Topic.validates_confirmation_of :title
+    @topic.title_confirmation = 'foo'
+    @topic.errors.expects(:generate_message).with(:title, :confirmation, {:default => nil})
+    @topic.valid?
+  end
+
+  def test_validates_confirmation_of_generates_message_with_custom_default_message
+    Topic.validates_confirmation_of :title, :message => 'custom'
+    @topic.title_confirmation = 'foo'
+    @topic.errors.expects(:generate_message).with(:title, :confirmation, {:default => 'custom'})
+    @topic.valid?
+  end
+
+  # validates_acceptance_of w/ mocha
+
+  def test_validates_acceptance_of_generates_message
+    Topic.validates_acceptance_of :title, :allow_nil => false
+    @topic.errors.expects(:generate_message).with(:title, :accepted, {:default => nil})
+    @topic.valid?
+  end
+
+  def test_validates_acceptance_of_generates_message_with_custom_default_message
+    Topic.validates_acceptance_of :title, :message => 'custom', :allow_nil => false
+    @topic.errors.expects(:generate_message).with(:title, :accepted, {:default => 'custom'})
+    @topic.valid?
+  end
+
+  # validates_presence_of w/ mocha
+
+  def test_validates_presence_of_generates_message
+    Topic.validates_presence_of :title
+    @topic.errors.expects(:generate_message).with(:title, :blank, {:default => nil})
+    @topic.valid?
+  end
+
+  def test_validates_presence_of_generates_message_with_custom_default_message
+    Topic.validates_presence_of :title, :message => 'custom'
+    @topic.errors.expects(:generate_message).with(:title, :blank, {:default => 'custom'})
+    @topic.valid?
+  end
+
+  def test_validates_length_of_within_generates_message_with_title_too_short
+    Topic.validates_length_of :title, :within => 3..5
+    @topic.errors.expects(:generate_message).with(:title, :too_short, {:count => 3, :default => nil})
+    @topic.valid?
+  end
+
+  def test_validates_length_of_within_generates_message_with_title_too_short_and_custom_default_message
+    Topic.validates_length_of :title, :within => 3..5, :too_short => 'custom'
+    @topic.errors.expects(:generate_message).with(:title, :too_short, {:count => 3, :default => 'custom'})
+    @topic.valid?
+  end
+
+  def test_validates_length_of_within_generates_message_with_title_too_long
+    Topic.validates_length_of :title, :within => 3..5
+    @topic.title = 'this title is too long'
+    @topic.errors.expects(:generate_message).with(:title, :too_long, {:count => 5, :default => nil})
+    @topic.valid?
+  end
+
+  def test_validates_length_of_within_generates_message_with_title_too_long_and_custom_default_message
+    Topic.validates_length_of :title, :within => 3..5, :too_long => 'custom'
+    @topic.title = 'this title is too long'
+    @topic.errors.expects(:generate_message).with(:title, :too_long, {:count => 5, :default => 'custom'})
+    @topic.valid?
+  end
+
+  # validates_length_of :within w/ mocha
+
+  def test_validates_length_of_within_generates_message_with_title_too_short
+    Topic.validates_length_of :title, :within => 3..5
+    @topic.errors.expects(:generate_message).with(:title, :too_short, {:count => 3, :default => nil})
+    @topic.valid?
+  end
+
+  def test_validates_length_of_within_generates_message_with_title_too_short_and_custom_default_message
+    Topic.validates_length_of :title, :within => 3..5, :too_short => 'custom'
+    @topic.errors.expects(:generate_message).with(:title, :too_short, {:count => 3, :default => 'custom'})
+    @topic.valid?
+  end
+
+  def test_validates_length_of_within_generates_message_with_title_too_long
+    Topic.validates_length_of :title, :within => 3..5
+    @topic.title = 'this title is too long'
+    @topic.errors.expects(:generate_message).with(:title, :too_long, {:count => 5, :default => nil})
+    @topic.valid?
+  end
+
+  def test_validates_length_of_within_generates_message_with_title_too_long_and_custom_default_message
+    Topic.validates_length_of :title, :within => 3..5, :too_long => 'custom'
+    @topic.title = 'this title is too long'
+    @topic.errors.expects(:generate_message).with(:title, :too_long, {:count => 5, :default => 'custom'})
+    @topic.valid?
+  end
+
+  # validates_length_of :is w/ mocha
+
+  def test_validates_length_of_is_generates_message
+    Topic.validates_length_of :title, :is => 5
+    @topic.errors.expects(:generate_message).with(:title, :wrong_length, {:count => 5, :default => nil})
+    @topic.valid?
+  end
+
+  def test_validates_length_of_is_generates_message_with_custom_default_message
+    Topic.validates_length_of :title, :is => 5, :message => 'custom'
+    @topic.errors.expects(:generate_message).with(:title, :wrong_length, {:count => 5, :default => 'custom'})
+    @topic.valid?
+  end
+
+  # validates_format_of w/ mocha
+
+  def test_validates_format_of_generates_message
+    Topic.validates_format_of :title, :with => /^[1-9][0-9]*$/
+    @topic.title = '72x'
+    @topic.errors.expects(:generate_message).with(:title, :invalid, {:value => '72x', :default => nil})
+    @topic.valid?
+  end
+
+  def test_validates_format_of_generates_message_with_custom_default_message
+    Topic.validates_format_of :title, :with => /^[1-9][0-9]*$/, :message => 'custom'
+    @topic.title = '72x'
+    @topic.errors.expects(:generate_message).with(:title, :invalid, {:value => '72x', :default => 'custom'})
+    @topic.valid?
+  end
+
+  # validates_inclusion_of w/ mocha
+
+  def test_validates_inclusion_of_generates_message
+    Topic.validates_inclusion_of :title, :in => %w(a b c)
+    @topic.title = 'z'
+    @topic.errors.expects(:generate_message).with(:title, :inclusion, {:value => 'z', :default => nil})
+    @topic.valid?
+  end
+
+  def test_validates_inclusion_of_generates_message_with_custom_default_message
+    Topic.validates_inclusion_of :title, :in => %w(a b c), :message => 'custom'
+    @topic.title = 'z'
+    @topic.errors.expects(:generate_message).with(:title, :inclusion, {:value => 'z', :default => 'custom'})
+    @topic.valid?
+  end
+
+  # validates_exclusion_of w/ mocha
+
+  def test_validates_exclusion_of_generates_message
+    Topic.validates_exclusion_of :title, :in => %w(a b c)
+    @topic.title = 'a'
+    @topic.errors.expects(:generate_message).with(:title, :exclusion, {:value => 'a', :default => nil})
+    @topic.valid?
+  end
+
+  def test_validates_exclusion_of_generates_message_with_custom_default_message
+    Topic.validates_exclusion_of :title, :in => %w(a b c), :message => 'custom'
+    @topic.title = 'a'
+    @topic.errors.expects(:generate_message).with(:title, :exclusion, {:value => 'a', :default => 'custom'})
+    @topic.valid?
+  end
+
+  # validates_numericality_of without :only_integer w/ mocha
+
+  def test_validates_numericality_of_generates_message
+    Topic.validates_numericality_of :title
+    @topic.title = 'a'
+    @topic.errors.expects(:generate_message).with(:title, :not_a_number, {:value => 'a', :default => nil})
+    @topic.valid?
+  end
+
+  def test_validates_numericality_of_generates_message_with_custom_default_message
+    Topic.validates_numericality_of :title, :message => 'custom'
+    @topic.title = 'a'
+    @topic.errors.expects(:generate_message).with(:title, :not_a_number, {:value => 'a', :default => 'custom'})
+    @topic.valid?
+  end
+
+  # validates_numericality_of with :only_integer w/ mocha
+
+  def test_validates_numericality_of_only_integer_generates_message
+    Topic.validates_numericality_of :title, :only_integer => true
+    @topic.title = 'a'
+    @topic.errors.expects(:generate_message).with(:title, :not_a_number, {:value => 'a', :default => nil})
+    @topic.valid?
+  end
+
+  def test_validates_numericality_of_only_integer_generates_message_with_custom_default_message
+    Topic.validates_numericality_of :title, :only_integer => true, :message => 'custom'
+    @topic.title = 'a'
+    @topic.errors.expects(:generate_message).with(:title, :not_a_number, {:value => 'a', :default => 'custom'})
+    @topic.valid?
+  end
+
+  # validates_numericality_of :odd w/ mocha
+
+  def test_validates_numericality_of_odd_generates_message
+    Topic.validates_numericality_of :title, :only_integer => true, :odd => true
+    @topic.title = 0
+    @topic.errors.expects(:generate_message).with(:title, :odd, {:value => 0, :default => nil})
+    @topic.valid?
+  end
+
+  def test_validates_numericality_of_odd_generates_message_with_custom_default_message
+    Topic.validates_numericality_of :title, :only_integer => true, :odd => true, :message => 'custom'
+    @topic.title = 0
+    @topic.errors.expects(:generate_message).with(:title, :odd, {:value => 0, :default => 'custom'})
+    @topic.valid?
+  end
+
+  # validates_numericality_of :less_than w/ mocha
+
+  def test_validates_numericality_of_less_than_generates_message
+    Topic.validates_numericality_of :title, :only_integer => true, :less_than => 0
+    @topic.title = 1
+    @topic.errors.expects(:generate_message).with(:title, :less_than, {:value => 1, :count => 0, :default => nil})
+    @topic.valid?
+  end
+
+  def test_validates_numericality_of_odd_generates_message_with_custom_default_message
+    Topic.validates_numericality_of :title, :only_integer => true, :less_than => 0, :message => 'custom'
+    @topic.title = 1
+    @topic.errors.expects(:generate_message).with(:title, :less_than, {:value => 1, :count => 0, :default => 'custom'})
+    @topic.valid?
+  end
+
+  # validates_confirmation_of w/o mocha
+
+  def test_validates_confirmation_of_finds_custom_model_key_translation
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:models => {:topic => {:attributes => {:title => {:confirmation => 'custom message'}}}}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:confirmation => 'global message'}}}
+
+    Topic.validates_confirmation_of :title
+    @topic.title_confirmation = 'foo'
+    @topic.valid?
+    assert_equal ['custom message'], @topic.errors[:title]
+  end
+
+  def test_validates_confirmation_of_finds_global_default_translation
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:confirmation => 'global message'}}}
+
+    Topic.validates_confirmation_of :title
+    @topic.title_confirmation = 'foo'
+    @topic.valid?
+    assert_equal ['global message'], @topic.errors[:title]
+  end
+
+  # validates_acceptance_of w/o mocha
+
+  def test_validates_acceptance_of_finds_custom_model_key_translation
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:models => {:topic => {:attributes => {:title => {:accepted => 'custom message'}}}}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:accepted => 'global message'}}}
+
+    Topic.validates_acceptance_of :title, :allow_nil => false
+    @topic.valid?
+    assert_equal ['custom message'], @topic.errors[:title]
+  end
+
+  def test_validates_acceptance_of_finds_global_default_translation
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:accepted => 'global message'}}}
+
+    Topic.validates_acceptance_of :title, :allow_nil => false
+    @topic.valid?
+    assert_equal ['global message'], @topic.errors[:title]
+  end
+
+  # validates_presence_of w/o mocha
+
+  def test_validates_presence_of_finds_custom_model_key_translation
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:models => {:topic => {:attributes => {:title => {:blank => 'custom message'}}}}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:blank => 'global message'}}}
+
+    Topic.validates_presence_of :title
+    @topic.valid?
+    assert_equal ['custom message'], @topic.errors[:title]
+  end
+
+  def test_validates_presence_of_finds_global_default_translation
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:blank => 'global message'}}}
+
+    Topic.validates_presence_of :title
+    @topic.valid?
+    assert_equal ['global message'], @topic.errors[:title]
+  end
+
+  # validates_length_of :within w/o mocha
+
+  def test_validates_length_of_within_finds_custom_model_key_translation
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:models => {:topic => {:attributes => {:title => {:too_short => 'custom message'}}}}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:too_short => 'global message'}}}
+
+    Topic.validates_length_of :title, :within => 3..5
+    @topic.valid?
+    assert_equal ['custom message'], @topic.errors[:title]
+  end
+
+  def test_validates_length_of_within_finds_global_default_translation
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:too_short => 'global message'}}}
+
+    Topic.validates_length_of :title, :within => 3..5
+    @topic.valid?
+    assert_equal ['global message'], @topic.errors[:title]
+  end
+
+  # validates_length_of :is w/o mocha
+
+  def test_validates_length_of_is_finds_custom_model_key_translation
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:models => {:topic => {:attributes => {:title => {:wrong_length => 'custom message'}}}}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:wrong_length => 'global message'}}}
+
+    Topic.validates_length_of :title, :is => 5
+    @topic.valid?
+    assert_equal ['custom message'], @topic.errors[:title]
+  end
+
+  def test_validates_length_of_is_finds_global_default_translation
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:wrong_length => 'global message'}}}
+
+    Topic.validates_length_of :title, :is => 5
+    @topic.valid?
+    assert_equal ['global message'], @topic.errors[:title]
+  end
+
+  def test_validates_length_of_is_finds_custom_model_key_translation
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:models => {:topic => {:attributes => {:title => {:wrong_length => 'custom message'}}}}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:wrong_length => 'global message'}}}
+
+    Topic.validates_length_of :title, :is => 5
+    @topic.valid?
+    assert_equal ['custom message'], @topic.errors[:title]
+  end
+
+  def test_validates_length_of_is_finds_global_default_translation
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:wrong_length => 'global message'}}}
+
+    Topic.validates_length_of :title, :is => 5
+    @topic.valid?
+    assert_equal ['global message'], @topic.errors[:title]
+  end
+
+
+  # validates_format_of w/o mocha
+
+  def test_validates_format_of_finds_custom_model_key_translation
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:models => {:topic => {:attributes => {:title => {:invalid => 'custom message'}}}}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:invalid => 'global message'}}}
+
+    Topic.validates_format_of :title, :with => /^[1-9][0-9]*$/
+    @topic.valid?
+    assert_equal ['custom message'], @topic.errors[:title]
+  end
+
+  def test_validates_format_of_finds_global_default_translation
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:invalid => 'global message'}}}
+
+    Topic.validates_format_of :title, :with => /^[1-9][0-9]*$/
+    @topic.valid?
+    assert_equal ['global message'], @topic.errors[:title]
+  end
+
+  # validates_inclusion_of w/o mocha
+
+  def test_validates_inclusion_of_finds_custom_model_key_translation
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:models => {:topic => {:attributes => {:title => {:inclusion => 'custom message'}}}}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:inclusion => 'global message'}}}
+
+    Topic.validates_inclusion_of :title, :in => %w(a b c)
+    @topic.valid?
+    assert_equal ['custom message'], @topic.errors[:title]
+  end
+
+  def test_validates_inclusion_of_finds_global_default_translation
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:inclusion => 'global message'}}}
+
+    Topic.validates_inclusion_of :title, :in => %w(a b c)
+    @topic.valid?
+    assert_equal ['global message'], @topic.errors[:title]
+  end
+
+  # validates_exclusion_of w/o mocha
+
+  def test_validates_exclusion_of_finds_custom_model_key_translation
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:models => {:topic => {:attributes => {:title => {:exclusion => 'custom message'}}}}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:exclusion => 'global message'}}}
+
+    Topic.validates_exclusion_of :title, :in => %w(a b c)
+    @topic.title = 'a'
+    @topic.valid?
+    assert_equal ['custom message'], @topic.errors[:title]
+  end
+
+  def test_validates_exclusion_of_finds_global_default_translation
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:exclusion => 'global message'}}}
+
+    Topic.validates_exclusion_of :title, :in => %w(a b c)
+    @topic.title = 'a'
+    @topic.valid?
+    assert_equal ['global message'], @topic.errors[:title]
+  end
+
+  # validates_numericality_of without :only_integer w/o mocha
+
+  def test_validates_numericality_of_finds_custom_model_key_translation
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:models => {:topic => {:attributes => {:title => {:not_a_number => 'custom message'}}}}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:not_a_number => 'global message'}}}
+
+    Topic.validates_numericality_of :title
+    @topic.title = 'a'
+    @topic.valid?
+    assert_equal ['custom message'], @topic.errors[:title]
+  end
+
+  def test_validates_numericality_of_finds_global_default_translation
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:not_a_number => 'global message'}}}
+
+    Topic.validates_numericality_of :title, :only_integer => true
+    @topic.title = 'a'
+    @topic.valid?
+    assert_equal ['global message'], @topic.errors[:title]
+  end
+
+  # validates_numericality_of with :only_integer w/o mocha
+
+  def test_validates_numericality_of_only_integer_finds_custom_model_key_translation
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:models => {:topic => {:attributes => {:title => {:not_a_number => 'custom message'}}}}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:not_a_number => 'global message'}}}
+
+    Topic.validates_numericality_of :title, :only_integer => true
+    @topic.title = 'a'
+    @topic.valid?
+    assert_equal ['custom message'], @topic.errors[:title]
+  end
+
+  def test_validates_numericality_of_only_integer_finds_global_default_translation
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:not_a_number => 'global message'}}}
+
+    Topic.validates_numericality_of :title, :only_integer => true
+    @topic.title = 'a'
+    @topic.valid?
+    assert_equal ['global message'], @topic.errors[:title]
+  end
+
+  # validates_numericality_of :odd w/o mocha
+
+  def test_validates_numericality_of_odd_finds_custom_model_key_translation
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:models => {:topic => {:attributes => {:title => {:odd => 'custom message'}}}}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:odd => 'global message'}}}
+
+    Topic.validates_numericality_of :title, :only_integer => true, :odd => true
+    @topic.title = 0
+    @topic.valid?
+    assert_equal ['custom message'], @topic.errors[:title]
+  end
+
+  def test_validates_numericality_of_odd_finds_global_default_translation
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:odd => 'global message'}}}
+
+    Topic.validates_numericality_of :title, :only_integer => true, :odd => true
+    @topic.title = 0
+    @topic.valid?
+    assert_equal ['global message'], @topic.errors[:title]
+  end
+
+  # validates_numericality_of :less_than w/o mocha
+
+  def test_validates_numericality_of_less_than_finds_custom_model_key_translation
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:models => {:topic => {:attributes => {:title => {:less_than => 'custom message'}}}}}}
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:less_than => 'global message'}}}
+
+    Topic.validates_numericality_of :title, :only_integer => true, :less_than => 0
+    @topic.title = 1
+    @topic.valid?
+    assert_equal ['custom message'], @topic.errors[:title]
+  end
+
+  def test_validates_numericality_of_less_than_finds_global_default_translation
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:less_than => 'global message'}}}
+
+    Topic.validates_numericality_of :title, :only_integer => true, :less_than => 0
+    @topic.title = 1
+    @topic.valid?
+    assert_equal ['global message'], @topic.errors[:title]
+  end
+
+  def test_validations_with_message_symbol_must_translate
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:messages => {:custom_error => "I am a custom error"}}}
+    Topic.validates_presence_of :title, :message => :custom_error
+    @topic.title = nil
+    @topic.valid?
+    assert_equal ["I am a custom error"], @topic.errors[:title]
+  end
+
+  def test_validates_with_message_symbol_must_translate_per_attribute
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:models => {:topic => {:attributes => {:title => {:custom_error => "I am a custom error"}}}}}}
+    Topic.validates_presence_of :title, :message => :custom_error
+    @topic.title = nil
+    @topic.valid?
+    assert_equal ["I am a custom error"], @topic.errors[:title]
+  end
+
+  def test_validates_with_message_symbol_must_translate_per_model
+    I18n.backend.store_translations 'en', :activerecord => {:errors => {:models => {:topic => {:custom_error => "I am a custom error"}}}}
+    Topic.validates_presence_of :title, :message => :custom_error
+    @topic.title = nil
+    @topic.valid?
+    assert_equal ["I am a custom error"], @topic.errors[:title]
+  end
+
+  def test_validates_with_message_string
+    Topic.validates_presence_of :title, :message => "I am a custom error"
+    @topic.title = nil
+    @topic.valid?
+    assert_equal ["I am a custom error"], @topic.errors[:title]
+  end
 end
diff --git a/activerecord/test/cases/validations_test.rb b/activerecord/test/cases/validations_test.rb
index ba2fb04d2f..27a42bcd03 100644
--- a/activerecord/test/cases/validations_test.rb
+++ b/activerecord/test/cases/validations_test.rb
@@ -129,4 +129,16 @@ class ValidationsTest < ActiveRecord::TestCase
     assert_equal 100, d.salary
     assert_equal "100,000", d.salary_before_type_cast
   end
+
+  def test_validates_length_with_globally_modified_error_message
+    ActiveSupport::Deprecation.silence do
+      ActiveRecord::Errors.default_error_messages[:too_short] = 'tu est trops petit hombre {{count}}'
+    end
+
+    Topic.validates_length_of :title, :minimum => 10
+    t = Topic.create(:title => 'too short')
+    assert !t.valid?
+
+    assert_equal ['tu est trops petit hombre 10'], t.errors[:title]
+  end
 end
-- 
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