require "cases/helper" require "models/topic" require "models/reply" require "models/warehouse_thing" require "models/guid" require "models/event" require "models/dashboard" require "models/uuid_item" require "models/author" require "models/person" require "models/essay" class Wizard < ActiveRecord::Base self.abstract_class = true validates_uniqueness_of :name end class IneptWizard < Wizard validates_uniqueness_of :city end class Conjurer < IneptWizard end class Thaumaturgist < IneptWizard end class ReplyTitle; end class ReplyWithTitleObject < Reply validates_uniqueness_of :content, scope: :title def title; ReplyTitle.new; end end class TopicWithUniqEvent < Topic belongs_to :event, foreign_key: :parent_id 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 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 fixtures :topics, "warehouse-things" repair_validations(Topic, Reply) def test_validate_uniqueness Topic.validates_uniqueness_of(:title) t = Topic.new("title" => "I'm uniqué!") assert t.save, "Should save t as unique" t.content = "Remaining unique" assert t.save, "Should still save t as unique" t2 = Topic.new("title" => "I'm uniqué!") assert !t2.valid?, "Shouldn't be valid" assert !t2.save, "Shouldn't save t2 as unique" assert_equal ["has already been taken"], t2.errors[:title] t2.title = "Now I am really also unique" assert t2.save, "Should now save t2 as unique" end def test_validate_uniqueness_with_alias_attribute Topic.alias_attribute :new_title, :title Topic.validates_uniqueness_of(:new_title) topic = Topic.new(new_title: "abc") assert topic.valid? end def test_validates_uniqueness_with_nil_value Topic.validates_uniqueness_of(:title) t = Topic.new("title" => nil) assert t.save, "Should save t as unique" t2 = Topic.new("title" => nil) assert !t2.valid?, "Shouldn't be valid" assert !t2.save, "Shouldn't save t2 as unique" assert_equal ["has already been taken"], t2.errors[:title] end def test_validates_uniqueness_with_validates Topic.validates :title, uniqueness: true Topic.create!("title" => "abc") t2 = Topic.new("title" => "abc") assert !t2.valid? 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) t = Topic.new("title" => "new\nline") assert t.save, "Should save t as unique" end def test_validate_uniqueness_with_scope Reply.validates_uniqueness_of(:content, scope: "parent_id") t = Topic.create("title" => "I'm unique!") r1 = t.replies.create "title" => "r1", "content" => "hello world" assert r1.valid?, "Saving r1" r2 = t.replies.create "title" => "r2", "content" => "hello world" assert !r2.valid?, "Saving r2 first time" r2.content = "something else" assert r2.save, "Saving r2 second time" t2 = Topic.create("title" => "I'm unique too!") r3 = t2.replies.create "title" => "r3", "content" => "hello world" assert r3.valid?, "Saving r3" end def test_validate_uniqueness_with_object_scope Reply.validates_uniqueness_of(:content, scope: :topic) t = Topic.create("title" => "I'm unique!") r1 = t.replies.create "title" => "r1", "content" => "hello world" assert r1.valid?, "Saving r1" r2 = t.replies.create "title" => "r2", "content" => "hello world" assert !r2.valid?, "Saving r2 first time" end def test_validate_uniqueness_with_polymorphic_object_scope Essay.validates_uniqueness_of(:name, scope: :writer) a = Author.create(name: "Sergey") p = Person.create(first_name: "Sergey") e1 = a.essays.create(name: "Essay") assert e1.valid?, "Saving e1" e2 = p.essays.create(name: "Essay") assert e2.valid?, "Saving e2" end def test_validate_uniqueness_with_composed_attribute_scope r1 = ReplyWithTitleObject.create "title" => "r1", "content" => "hello world" assert r1.valid?, "Saving r1" r2 = ReplyWithTitleObject.create "title" => "r1", "content" => "hello world" assert !r2.valid?, "Saving r2 first time" end def test_validate_uniqueness_with_object_arg Reply.validates_uniqueness_of(:topic) t = Topic.create("title" => "I'm unique!") r1 = t.replies.create "title" => "r1", "content" => "hello world" assert r1.valid?, "Saving r1" r2 = t.replies.create "title" => "r2", "content" => "hello world" assert !r2.valid?, "Saving r2 first time" end def test_validate_uniqueness_scoped_to_defining_class t = Topic.create("title" => "What, me worry?") r1 = t.unique_replies.create "title" => "r1", "content" => "a barrel of fun" assert r1.valid?, "Saving r1" r2 = t.silly_unique_replies.create "title" => "r2", "content" => "a barrel of fun" assert !r2.valid?, "Saving r2" # Should succeed as validates_uniqueness_of only applies to # UniqueReply and its subclasses r3 = t.replies.create "title" => "r2", "content" => "a barrel of fun" assert r3.valid?, "Saving r3" end def test_validate_uniqueness_with_scope_array Reply.validates_uniqueness_of(:author_name, scope: [:author_email_address, :parent_id]) t = Topic.create("title" => "The earth is actually flat!") r1 = t.replies.create "author_name" => "jeremy", "author_email_address" => "jeremy@rubyonrails.com", "title" => "You're crazy!", "content" => "Crazy reply" assert r1.valid?, "Saving r1" r2 = t.replies.create "author_name" => "jeremy", "author_email_address" => "jeremy@rubyonrails.com", "title" => "You're crazy!", "content" => "Crazy reply again..." assert !r2.valid?, "Saving r2. Double reply by same author." r2.author_email_address = "jeremy_alt_email@rubyonrails.com" assert r2.save, "Saving r2 the second time." r3 = t.replies.create "author_name" => "jeremy", "author_email_address" => "jeremy_alt_email@rubyonrails.com", "title" => "You're wrong", "content" => "It's cubic" assert !r3.valid?, "Saving r3" r3.author_name = "jj" assert r3.save, "Saving r3 the second time." r3.author_name = "jeremy" assert !r3.save, "Saving r3 the third time." end def test_validate_case_insensitive_uniqueness Topic.validates_uniqueness_of(:title, :parent_id, case_sensitive: false, allow_nil: true) t = Topic.new("title" => "I'm unique!", :parent_id => 2) assert t.save, "Should save t as unique" t.content = "Remaining unique" assert t.save, "Should still save t as unique" t2 = Topic.new("title" => "I'm UNIQUE!", :parent_id => 1) assert !t2.valid?, "Shouldn't be valid" assert !t2.save, "Shouldn't save t2 as unique" assert t2.errors[:title].any? assert t2.errors[:parent_id].any? assert_equal ["has already been taken"], t2.errors[:title] t2.title = "I'm truly UNIQUE!" assert !t2.valid?, "Shouldn't be valid" assert !t2.save, "Shouldn't save t2 as unique" assert t2.errors[:title].empty? assert t2.errors[:parent_id].any? t2.parent_id = 4 assert t2.save, "Should now save t2 as unique" t2.parent_id = nil t2.title = nil assert t2.valid?, "should validate with nil" assert t2.save, "should save with nil" t_utf8 = Topic.new("title" => "Я тоже уникальный!") assert t_utf8.save, "Should save t_utf8 as unique" # If database hasn't UTF-8 character set, this test fails if Topic.all.merge!(select: "LOWER(title) AS title").find(t_utf8.id).title == "я тоже уникальный!" t2_utf8 = Topic.new("title" => "я тоже УНИКАЛЬНЫЙ!") assert !t2_utf8.valid?, "Shouldn't be valid" assert !t2_utf8.save, "Shouldn't save t2_utf8 as unique" end end def test_validate_case_sensitive_uniqueness_with_special_sql_like_chars Topic.validates_uniqueness_of(:title, case_sensitive: true) t = Topic.new("title" => "I'm unique!") assert t.save, "Should save t as unique" t2 = Topic.new("title" => "I'm %") assert t2.save, "Should save t2 as unique" t3 = Topic.new("title" => "I'm uniqu_!") assert t3.save, "Should save t3 as unique" end def test_validate_case_insensitive_uniqueness_with_special_sql_like_chars Topic.validates_uniqueness_of(:title, case_sensitive: false) t = Topic.new("title" => "I'm unique!") assert t.save, "Should save t as unique" t2 = Topic.new("title" => "I'm %") assert t2.save, "Should save t2 as unique" t3 = Topic.new("title" => "I'm uniqu_!") assert t3.save, "Should save t3 as unique" end def test_validate_case_sensitive_uniqueness Topic.validates_uniqueness_of(:title, case_sensitive: true, allow_nil: true) t = Topic.new("title" => "I'm unique!") assert t.save, "Should save t as unique" t.content = "Remaining unique" assert t.save, "Should still save t as unique" t2 = Topic.new("title" => "I'M UNIQUE!") assert t2.valid?, "Should be valid" assert t2.save, "Should save t2 as unique" assert t2.errors[:title].empty? assert t2.errors[:parent_id].empty? assert_not_equal ["has already been taken"], t2.errors[:title] t3 = Topic.new("title" => "I'M uNiQUe!") assert t3.valid?, "Should be valid" assert t3.save, "Should save t2 as unique" assert t3.errors[:title].empty? assert t3.errors[:parent_id].empty? assert_not_equal ["has already been taken"], t3.errors[:title] end def test_validate_case_sensitive_uniqueness_with_attribute_passed_as_integer Topic.validates_uniqueness_of(:title, case_sensitive: true) Topic.create!("title" => 101) t2 = Topic.new("title" => 101) assert !t2.valid? assert t2.errors[:title] end def test_validate_uniqueness_with_non_standard_table_names i1 = WarehouseThing.create(value: 1000) assert !i1.valid?, "i1 should not be valid" assert i1.errors[:value].any?, "Should not be empty" end def test_validates_uniqueness_inside_scoping Topic.validates_uniqueness_of(:title) Topic.where(author_name: "David").scoping do t1 = Topic.new("title" => "I'm unique!", "author_name" => "Mary") assert t1.save t2 = Topic.new("title" => "I'm unique!", "author_name" => "David") assert !t2.valid? end end def test_validate_uniqueness_with_columns_which_are_sql_keywords repair_validations(Guid) do Guid.validates_uniqueness_of :key g = Guid.new g.key = "foo" assert_nothing_raised { !g.valid? } end end def test_validate_uniqueness_with_limit 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, :OracleAdapter, :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 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, :OracleAdapter, :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 w1 = IneptWizard.create(name: "Rincewind", city: "Ankh-Morpork") assert w1.valid?, "Saving w1" # Should use validation from base class (which is abstract) w2 = IneptWizard.new(name: "Rincewind", city: "Quirm") assert !w2.valid?, "w2 shouldn't be valid" assert w2.errors[:name].any?, "Should have errors for name" assert_equal ["has already been taken"], w2.errors[:name], "Should have uniqueness message for name" w3 = Conjurer.new(name: "Rincewind", city: "Quirm") assert !w3.valid?, "w3 shouldn't be valid" assert w3.errors[:name].any?, "Should have errors for name" assert_equal ["has already been taken"], w3.errors[:name], "Should have uniqueness message for name" w4 = Conjurer.create(name: "The Amazing Bonko", city: "Quirm") assert w4.valid?, "Saving w4" w5 = Thaumaturgist.new(name: "The Amazing Bonko", city: "Lancre") assert !w5.valid?, "w5 shouldn't be valid" assert w5.errors[:name].any?, "Should have errors for name" assert_equal ["has already been taken"], w5.errors[:name], "Should have uniqueness message for name" w6 = Thaumaturgist.new(name: "Mustrum Ridcully", city: "Quirm") assert !w6.valid?, "w6 shouldn't be valid" assert w6.errors[:city].any?, "Should have errors for city" assert_equal ["has already been taken"], w6.errors[:city], "Should have uniqueness message for city" end def test_validate_uniqueness_with_conditions Topic.validates_uniqueness_of :title, conditions: -> { where(approved: true) } Topic.create("title" => "I'm a topic", "approved" => true) Topic.create("title" => "I'm an unapproved topic", "approved" => false) t3 = Topic.new("title" => "I'm a topic", "approved" => true) assert !t3.valid?, "t3 shouldn't be valid" t4 = Topic.new("title" => "I'm an unapproved topic", "approved" => false) assert t4.valid?, "t4 should be valid" end def test_validate_uniqueness_with_non_callable_conditions_is_not_supported assert_raises(ArgumentError) { Topic.validates_uniqueness_of :title, conditions: Topic.where(approved: true) } end def test_validate_uniqueness_on_existing_relation event = Event.create assert TopicWithUniqEvent.create(event: event).valid? topic = TopicWithUniqEvent.new(event: event) assert_not topic.valid? assert_equal ["has already been taken"], topic.errors[:event] end def test_validate_uniqueness_on_empty_relation topic = TopicWithUniqEvent.new 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 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