diff options
Diffstat (limited to 'activerecord/test/cases/validations/uniqueness_validation_test.rb')
-rw-r--r-- | activerecord/test/cases/validations/uniqueness_validation_test.rb | 114 |
1 files changed, 87 insertions, 27 deletions
diff --git a/activerecord/test/cases/validations/uniqueness_validation_test.rb b/activerecord/test/cases/validations/uniqueness_validation_test.rb index 7502a55391..4b0a590adb 100644 --- a/activerecord/test/cases/validations/uniqueness_validation_test.rb +++ b/activerecord/test/cases/validations/uniqueness_validation_test.rb @@ -5,6 +5,7 @@ require 'models/warehouse_thing' require 'models/guid' require 'models/event' require 'models/dashboard' +require 'models/uuid_item' class Wizard < ActiveRecord::Base self.abstract_class = true @@ -48,6 +49,18 @@ class BigIntReverseTest < ActiveRecord::Base validates :engines_count, uniqueness: true end +class CoolTopic < Topic + validates_uniqueness_of :id +end + +class TopicWithAfterCreate < Topic + after_create :set_author + + def set_author + update_attributes!(:author_name => "#{title} #{id}") + end +end + class UniquenessValidationTest < ActiveRecord::TestCase INT_MAX_VALUE = 2147483647 @@ -336,19 +349,41 @@ class UniquenessValidationTest < ActiveRecord::TestCase 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" + if current_adapter?(:SQLite3Adapter) + # Event.title has limit 5, but SQLite doesn't truncate. + e1 = Event.create(title: "abcdefgh") + assert e1.valid?, "Could not create an event with a unique 8 characters title" + + e2 = Event.create(title: "abcdefgh") + assert_not e2.valid?, "Created an event whose title is not unique" + elsif current_adapter?(:Mysql2Adapter, :PostgreSQLAdapter, :SQLServerAdapter) + assert_raise(ActiveRecord::ValueTooLong) do + Event.create(title: "abcdefgh") + end + else + assert_raise(ActiveRecord::StatementInvalid) do + Event.create(title: "abcdefgh") + end + end end def test_validate_uniqueness_with_limit_and_utf8 - # Event.title is limited to 5 characters - e1 = Event.create(:title => "一二三四五") - assert e1.valid?, "Could not create an event with a unique, 5 character title" - e2 = Event.create(:title => "一二三四五六七八") - assert !e2.valid?, "Created an event whose title, with limit taken into account, is not unique" + if current_adapter?(:SQLite3Adapter) + # Event.title has limit 5, but does SQLite doesn't truncate. + e1 = Event.create(title: "一二三四五六七八") + assert e1.valid?, "Could not create an event with a unique 8 characters title" + + e2 = Event.create(title: "一二三四五六七八") + assert_not e2.valid?, "Created an event whose title is not unique" + elsif current_adapter?(:Mysql2Adapter, :PostgreSQLAdapter, :SQLServerAdapter) + assert_raise(ActiveRecord::ValueTooLong) do + Event.create(title: "一二三四五六七八") + end + else + assert_raise(ActiveRecord::StatementInvalid) do + Event.create(title: "一二三四五六七八") + end + end end def test_validate_straight_inheritance_uniqueness @@ -412,23 +447,6 @@ class UniquenessValidationTest < ActiveRecord::TestCase assert topic.valid? end - def test_does_not_validate_uniqueness_of_if_parent_record_is_validate_false - Reply.validates_uniqueness_of(:content) - - Reply.create!(content: "Topic Title") - - reply = Reply.new(content: "Topic Title") - reply.save!(validate: false) - assert reply.persisted? - - topic = Topic.new(reply_ids: [reply.id]) - topic.save! - - assert_equal topic.replies.size, 1 - 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" @@ -469,4 +487,46 @@ class UniquenessValidationTest < ActiveRecord::TestCase 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 + + def test_validate_uniqueness_ignores_itself_when_primary_key_changed + Topic.validates_uniqueness_of(:title) + + t = Topic.new("title" => "This is a unique title") + assert t.save, "Should save t as unique" + + t.id += 1 + assert t.valid?, "Should be valid" + assert t.save, "Should still save t as unique" + end + + def test_validate_uniqueness_with_after_create_performing_save + TopicWithAfterCreate.validates_uniqueness_of(:title) + topic = TopicWithAfterCreate.create!(:title => "Title1") + assert topic.author_name.start_with?("Title1") + + topic2 = TopicWithAfterCreate.new(:title => "Title1") + refute topic2.valid? + assert_equal(["has already been taken"], topic2.errors[:title]) + end + + def test_validate_uniqueness_uuid + skip unless current_adapter?(:PostgreSQLAdapter) + item = UuidItem.create!(uuid: SecureRandom.uuid, title: 'item1') + item.update(title: 'item1-title2') + assert_empty item.errors + + item2 = UuidValidatingItem.create!(uuid: SecureRandom.uuid, title: 'item2') + item2.update(title: 'item2-title2') + assert_empty item2.errors + end + + def test_validate_uniqueness_regular_id + item = CoolTopic.create!(title: 'MyItem') + assert_empty item.errors + + item2 = CoolTopic.new(id: item.id, title: 'MyItem2') + refute item2.valid? + + assert_equal(["has already been taken"], item2.errors[:id]) + end end |