Ensure validates_uniqueness_of considers limit on the field. [#1042 state:resolved]

Signed-off-by: Pratik Naik <pratiknaik@gmail.com>

3 files changed, 16 insertions, 0 deletions

diff --git a/activerecord/test/cases/validations_test.rb b/activerecord/test/cases/validations_test.rb
index 8ef5dc09c5..f87168860f 100644
--- a/activerecord/test/cases/validations_test.rb
+++ b/activerecord/test/cases/validations_test.rb
@@ -8,6 +8,7 @@ require 'models/warehouse_thing'
 require 'models/guid'
 require 'models/owner'
 require 'models/pet'
+require 'models/event'
 
 # The following methods in Topic are used in test_conditional_validation_*
 class Topic
@@ -530,6 +531,14 @@ class ValidationsTest < ActiveRecord::TestCase
     end
   end
 
+  def test_validate_uniqueness_with_limit
+    # Event.title is limited to 5 characters
+    e1 = Event.create(:title => "abcde")
+    assert e1.valid?, "Could not create an event with a unique, 5 character title"
+    e2 = Event.create(:title => "abcdefgh")
+    assert !e2.valid?, "Created an event whose title, with limit taken into account, is not unique"
+  end
+
   def test_validate_straight_inheritance_uniqueness
     w1 = IneptWizard.create(:name => "Rincewind", :city => "Ankh-Morpork")
     assert w1.valid?, "Saving w1"
diff --git a/activerecord/test/models/event.rb b/activerecord/test/models/event.rb
new file mode 100644
index 0000000000..99fa0feeb7
--- /dev/null
+++ b/activerecord/test/models/event.rb
@@ -0,0 +1,3 @@
+class Event < ActiveRecord::Base
+  validates_uniqueness_of :title
+end
\ No newline at end of file
diff --git a/activerecord/test/schema/schema.rb b/activerecord/test/schema/schema.rb
index 74a893983f..9ebf1d82be 100644
--- a/activerecord/test/schema/schema.rb
+++ b/activerecord/test/schema/schema.rb
@@ -155,6 +155,10 @@ ActiveRecord::Schema.define do
     t.integer :course_id, :null => false
   end
 
+  create_table :events, :force => true do |t|
+    t.string :title, :limit => 5
+  end
+
   create_table :funny_jokes, :force => true do |t|
     t.string :name
   end