class UniquenessValidationTest

Constants

INT_MAX_VALUE

Public Class Methods

name() click to toggle source
# File activerecord/test/cases/validations/uniqueness_validation_test.rb, line 482
def self.name
  "Keyboard"
end

Public Instance Methods

test_validate_case_insensitive_uniqueness() click to toggle source
# File activerecord/test/cases/validations/uniqueness_validation_test.rb, line 250
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
test_validate_case_insensitive_uniqueness_with_special_sql_like_chars() click to toggle source
# File activerecord/test/cases/validations/uniqueness_validation_test.rb, line 304
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
test_validate_case_sensitive_uniqueness() click to toggle source
# File activerecord/test/cases/validations/uniqueness_validation_test.rb, line 317
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
test_validate_case_sensitive_uniqueness_with_attribute_passed_as_integer() click to toggle source
# File activerecord/test/cases/validations/uniqueness_validation_test.rb, line 341
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
test_validate_case_sensitive_uniqueness_with_special_sql_like_chars() click to toggle source
# File activerecord/test/cases/validations/uniqueness_validation_test.rb, line 291
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
test_validate_straight_inheritance_uniqueness() click to toggle source
# File activerecord/test/cases/validations/uniqueness_validation_test.rb, line 414
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
test_validate_uniqueness() click to toggle source
# File activerecord/test/cases/validations/uniqueness_validation_test.rb, line 76
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
test_validate_uniqueness_ignores_itself_when_primary_key_changed() click to toggle source
# File activerecord/test/cases/validations/uniqueness_validation_test.rb, line 516
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
test_validate_uniqueness_of_custom_primary_key() click to toggle source
# File activerecord/test/cases/validations/uniqueness_validation_test.rb, line 475
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
test_validate_uniqueness_on_empty_relation() click to toggle source
# File activerecord/test/cases/validations/uniqueness_validation_test.rb, line 470
def test_validate_uniqueness_on_empty_relation
  topic = TopicWithUniqEvent.new
  assert topic.valid?
end
test_validate_uniqueness_on_existing_relation() click to toggle source
# File activerecord/test/cases/validations/uniqueness_validation_test.rb, line 461
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
test_validate_uniqueness_regular_id() click to toggle source
# File activerecord/test/cases/validations/uniqueness_validation_test.rb, line 548
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
test_validate_uniqueness_scoped_to_defining_class() click to toggle source
# File activerecord/test/cases/validations/uniqueness_validation_test.rb, line 211
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
test_validate_uniqueness_uuid() click to toggle source
# File activerecord/test/cases/validations/uniqueness_validation_test.rb, line 537
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
test_validate_uniqueness_when_integer_out_of_range() click to toggle source
# File activerecord/test/cases/validations/uniqueness_validation_test.rb, line 123
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
test_validate_uniqueness_when_integer_out_of_range_show_order_does_not_matter() click to toggle source
# File activerecord/test/cases/validations/uniqueness_validation_test.rb, line 128
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
test_validate_uniqueness_with_after_create_performing_save() click to toggle source
# File activerecord/test/cases/validations/uniqueness_validation_test.rb, line 527
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
test_validate_uniqueness_with_alias_attribute() click to toggle source
# File activerecord/test/cases/validations/uniqueness_validation_test.rb, line 94
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
test_validate_uniqueness_with_columns_which_are_sql_keywords() click to toggle source
# File activerecord/test/cases/validations/uniqueness_validation_test.rb, line 367
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
test_validate_uniqueness_with_composed_attribute_scope() click to toggle source
# File activerecord/test/cases/validations/uniqueness_validation_test.rb, line 191
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
test_validate_uniqueness_with_conditions() click to toggle source
# File activerecord/test/cases/validations/uniqueness_validation_test.rb, line 443
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
test_validate_uniqueness_with_limit() click to toggle source
# File activerecord/test/cases/validations/uniqueness_validation_test.rb, line 376
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
test_validate_uniqueness_with_limit_and_utf8() click to toggle source
# File activerecord/test/cases/validations/uniqueness_validation_test.rb, line 395
def test_validate_uniqueness_with_limit_and_utf8
  if current_adapter?(:SQLite3Adapter)
    # Event.title has limit 5, but 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
test_validate_uniqueness_with_non_callable_conditions_is_not_supported() click to toggle source
# File activerecord/test/cases/validations/uniqueness_validation_test.rb, line 455
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
test_validate_uniqueness_with_non_standard_table_names() click to toggle source
# File activerecord/test/cases/validations/uniqueness_validation_test.rb, line 350
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
test_validate_uniqueness_with_object_arg() click to toggle source
# File activerecord/test/cases/validations/uniqueness_validation_test.rb, line 199
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
test_validate_uniqueness_with_object_scope() click to toggle source
# File activerecord/test/cases/validations/uniqueness_validation_test.rb, line 166
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
test_validate_uniqueness_with_polymorphic_object_scope() click to toggle source
# File activerecord/test/cases/validations/uniqueness_validation_test.rb, line 178
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
test_validate_uniqueness_with_scope() click to toggle source
# File activerecord/test/cases/validations/uniqueness_validation_test.rb, line 140
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
test_validate_uniqueness_with_scope_array() click to toggle source
# File activerecord/test/cases/validations/uniqueness_validation_test.rb, line 226
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@rubyonquails.com", "title" => "You're crazy!", "content" => "Crazy reply"
  assert r1.valid?, "Saving r1"

  r2 = t.replies.create "author_name" => "jeremy", "author_email_address" => "jeremy@rubyonquails.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@rubyonquails.com"
  assert r2.save, "Saving r2 the second time."

  r3 = t.replies.create "author_name" => "jeremy", "author_email_address" => "jeremy_alt_email@rubyonquails.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
test_validate_uniqueness_with_scope_invalid_syntax() click to toggle source
# File activerecord/test/cases/validations/uniqueness_validation_test.rb, line 159
def test_validate_uniqueness_with_scope_invalid_syntax
  error = assert_raises(ArgumentError) do
    Reply.validates_uniqueness_of(:content, scope: { parent_id: false })
  end
  assert_match(/Pass a symbol or an array of symbols instead/, error.to_s)
end
test_validate_uniqueness_without_primary_key() click to toggle source
# File activerecord/test/cases/validations/uniqueness_validation_test.rb, line 494
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
test_validates_uniqueness_inside_scoping() click to toggle source
# File activerecord/test/cases/validations/uniqueness_validation_test.rb, line 356
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
test_validates_uniqueness_with_newline_chars() click to toggle source
# File activerecord/test/cases/validations/uniqueness_validation_test.rb, line 133
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
test_validates_uniqueness_with_nil_value() click to toggle source
# File activerecord/test/cases/validations/uniqueness_validation_test.rb, line 102
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
test_validates_uniqueness_with_validates() click to toggle source
# File activerecord/test/cases/validations/uniqueness_validation_test.rb, line 114
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