1 files changed, 67 insertions, 0 deletions
diff --git a/activerecord/test/cases/validations/uniqueness_validation_test.rb b/activerecord/test/cases/validations/uniqueness_validation_test.rb
index 062bc733f9..7502a55391 100644
--- a/activerecord/test/cases/validations/uniqueness_validation_test.rb
+++ b/activerecord/test/cases/validations/uniqueness_validation_test.rb
@@ -4,6 +4,7 @@ require 'models/reply'
 require 'models/warehouse_thing'
 require 'models/guid'
 require 'models/event'
+require 'models/dashboard'
 
 class Wizard < ActiveRecord::Base
   self.abstract_class = true
@@ -34,7 +35,22 @@ class TopicWithUniqEvent < Topic
   validates :event, uniqueness: true
 end
 
+class BigIntTest < ActiveRecord::Base
+  INT_MAX_VALUE = 2147483647
+  self.table_name = 'cars'
+  validates :engines_count, uniqueness: true, inclusion: { in: 0..INT_MAX_VALUE }
+end
+
+class BigIntReverseTest < ActiveRecord::Base
+  INT_MAX_VALUE = 2147483647
+  self.table_name = 'cars'
+  validates :engines_count, inclusion: { in: 0..INT_MAX_VALUE }
+  validates :engines_count, uniqueness: true
+end
+
 class UniquenessValidationTest < ActiveRecord::TestCase
+  INT_MAX_VALUE = 2147483647
+
   fixtures :topics, 'warehouse-things'
 
   repair_validations(Topic, Reply)
@@ -86,6 +102,16 @@ class UniquenessValidationTest < ActiveRecord::TestCase
     assert t2.errors[:title]
   end
 
+  def test_validate_uniqueness_when_integer_out_of_range
+    entry = BigIntTest.create(engines_count: INT_MAX_VALUE + 1)
+    assert_equal entry.errors[:engines_count], ['is not included in the list']
+  end
+
+  def test_validate_uniqueness_when_integer_out_of_range_show_order_does_not_matter
+    entry = BigIntReverseTest.create(engines_count: INT_MAX_VALUE + 1)
+    assert_equal entry.errors[:engines_count], ['is not included in the list']
+  end
+
   def test_validates_uniqueness_with_newline_chars
     Topic.validates_uniqueness_of(:title, :case_sensitive => false)
 
@@ -402,4 +428,45 @@ class UniquenessValidationTest < ActiveRecord::TestCase
     assert reply.valid?
     assert topic.valid?
   end
+
+  def test_validate_uniqueness_of_custom_primary_key
+    klass = Class.new(ActiveRecord::Base) do
+      self.table_name = "keyboards"
+      self.primary_key = :key_number
+
+      validates_uniqueness_of :key_number
+
+      def self.name
+        "Keyboard"
+      end
+    end
+
+    klass.create!(key_number: 10)
+    key2 = klass.create!(key_number: 11)
+
+    key2.key_number = 10
+    assert_not key2.valid?
+  end
+
+  def test_validate_uniqueness_without_primary_key
+    klass = Class.new(ActiveRecord::Base) do
+      self.table_name = "dashboards"
+
+      validates_uniqueness_of :dashboard_id
+
+      def self.name; "Dashboard" end
+    end
+
+    abc = klass.create!(dashboard_id: "abc")
+    assert klass.new(dashboard_id: "xyz").valid?
+    assert_not klass.new(dashboard_id: "abc").valid?
+
+    abc.dashboard_id = "def"
+
+    e = assert_raises ActiveRecord::UnknownPrimaryKey do
+      abc.save!
+    end
+    assert_match(/\AUnknown primary key for table dashboards in model/, e.message)
+    assert_match(/Can not validate uniqueness for persisted record without primary key.\z/, e.message)
+  end
 end