rails--rails/activemodel/test/cases/validations/validates_test.rb

require "cases/helper"
require "models/person"
require "models/topic"
require "models/person_with_validator"
require "validators/namespace/email_validator"

class ValidatesTest < ActiveModel::TestCase
  setup :reset_callbacks
  teardown :reset_callbacks

  def reset_callbacks
    Person.clear_validators!
    Topic.clear_validators!
    PersonWithValidator.clear_validators!
  end

  def test_validates_with_messages_empty
    Person.validates :title, presence: { message: "" }
    person = Person.new
    assert !person.valid?, "person should not be valid."
  end

  def test_validates_with_built_in_validation
    Person.validates :title, numericality: true
    person = Person.new
    person.valid?
    assert_equal ["is not a number"], person.errors[:title]
  end

  def test_validates_with_attribute_specified_as_string
    Person.validates "title", numericality: true
    person = Person.new
    person.valid?
    assert_equal ["is not a number"], person.errors[:title]

    person = Person.new
    person.title = 123
    assert person.valid?
  end

  def test_validates_with_built_in_validation_and_options
    Person.validates :salary, numericality: { message: "my custom message" }
    person = Person.new
    person.valid?
    assert_equal ["my custom message"], person.errors[:salary]
  end

  def test_validates_with_validator_class
    Person.validates :karma, email: true
    person = Person.new
    person.valid?
    assert_equal ["is not an email"], person.errors[:karma]
  end

  def test_validates_with_namespaced_validator_class
    Person.validates :karma, 'namespace/email': true
    person = Person.new
    person.valid?
    assert_equal ["is not an email"], person.errors[:karma]
  end

  def test_validates_with_if_as_local_conditions
    Person.validates :karma, presence: true, email: { unless: :condition_is_true }
    person = Person.new
    person.valid?
    assert_equal ["can't be blank"], person.errors[:karma]
  end

  def test_validates_with_if_as_shared_conditions
    Person.validates :karma, presence: true, email: true, if: :condition_is_true
    person = Person.new
    person.valid?
    assert_equal ["can't be blank", "is not an email"], person.errors[:karma].sort
  end

  def test_validates_with_unless_shared_conditions
    Person.validates :karma, presence: true, email: true, unless: :condition_is_true
    person = Person.new
    assert person.valid?
  end

  def test_validates_with_allow_nil_shared_conditions
    Person.validates :karma, length: { minimum: 20 }, email: true, allow_nil: true
    person = Person.new
    assert person.valid?
  end

  def test_validates_with_regexp
    Person.validates :karma, format: /positive|negative/
    person = Person.new
    assert person.invalid?
    assert_equal ["is invalid"], person.errors[:karma]
    person.karma = "positive"
    assert person.valid?
  end

  def test_validates_with_array
    Person.validates :gender, inclusion: %w(m f)
    person = Person.new
    assert person.invalid?
    assert_equal ["is not included in the list"], person.errors[:gender]
    person.gender = "m"
    assert person.valid?
  end

  def test_validates_with_range
    Person.validates :karma, length: 6..20
    person = Person.new
    assert person.invalid?
    assert_equal ["is too short (minimum is 6 characters)"], person.errors[:karma]
    person.karma = "something"
    assert person.valid?
  end

  def test_validates_with_validator_class_and_options
    Person.validates :karma, email: { message: "my custom message" }
    person = Person.new
    person.valid?
    assert_equal ["my custom message"], person.errors[:karma]
  end

  def test_validates_with_unknown_validator
    assert_raise(ArgumentError) { Person.validates :karma, unknown: true }
  end

  def test_validates_with_included_validator
    PersonWithValidator.validates :title, presence: true
    person = PersonWithValidator.new
    person.valid?
    assert_equal ["Local validator"], person.errors[:title]
  end

  def test_validates_with_included_validator_and_options
    PersonWithValidator.validates :title, presence: { custom: " please" }
    person = PersonWithValidator.new
    person.valid?
    assert_equal ["Local validator please"], person.errors[:title]
  end

  def test_validates_with_included_validator_and_wildcard_shortcut
    # Shortcut for PersonWithValidator.validates :title, like: { with: "Mr." }
    PersonWithValidator.validates :title, like: "Mr."
    person = PersonWithValidator.new
    person.title = "Ms. Pacman"
    person.valid?
    assert_equal ["does not appear to be like Mr."], person.errors[:title]
  end

  def test_defining_extra_default_keys_for_validates
    Topic.validates :title, confirmation: true, message: "Y U NO CONFIRM"
    topic = Topic.new
    topic.title = "What's happening"
    topic.title_confirmation = "Not this"
    assert !topic.valid?
    assert_equal ["Y U NO CONFIRM"], topic.errors[:title_confirmation]
  end
end