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

require 'cases/helper'

require 'models/topic'
require 'models/person'

class ExclusionValidationTest < ActiveModel::TestCase

  def teardown
    Topic.clear_validators!
  end

  def test_validates_exclusion_of
    Topic.validates_exclusion_of(:title, in: %w( abe monkey ))

    assert Topic.new("title" => "something", "content" => "abc").valid?
    assert Topic.new("title" => "monkey", "content" => "abc").invalid?
  end

  def test_validates_exclusion_of_with_formatted_message
    Topic.validates_exclusion_of(:title, in: %w( abe monkey ), message: "option %{value} is restricted")

    assert Topic.new("title" => "something", "content" => "abc")

    t = Topic.new("title" => "monkey")
    assert t.invalid?
    assert t.errors[:title].any?
    assert_equal ["option monkey is restricted"], t.errors[:title]
  end

  def test_validates_exclusion_of_with_within_option
    Topic.validates_exclusion_of(:title, within: %w( abe monkey ))

    assert Topic.new("title" => "something", "content" => "abc")

    t = Topic.new("title" => "monkey")
    assert t.invalid?
    assert t.errors[:title].any?
  end

  def test_validates_exclusion_of_for_ruby_class
    Person.validates_exclusion_of :karma, in: %w( abe monkey )

    p = Person.new
    p.karma = "abe"
    assert p.invalid?

    assert_equal ["is reserved"], p.errors[:karma]

    p.karma = "Lifo"
    assert p.valid?
  ensure
    Person.clear_validators!
  end

  def test_validates_exclusion_of_with_lambda
    Topic.validates_exclusion_of :title, in: lambda { |topic| topic.author_name == "sikachu" ? %w( monkey elephant ) : %w( abe wasabi ) }

    t = Topic.new
    t.title = "elephant"
    t.author_name = "sikachu"
    assert t.invalid?

    t.title = "wasabi"
    assert t.valid?
  end

  def test_validates_inclusion_of_with_symbol
    Person.validates_exclusion_of :karma, in: :reserved_karmas

    p = Person.new
    p.karma = "abe"

    def p.reserved_karmas
      %w(abe)
    end

    assert p.invalid?
    assert_equal ["is reserved"], p.errors[:karma]

    p = Person.new
    p.karma = "abe"

    def p.reserved_karmas
      %w()
    end

    assert p.valid?
  ensure
    Person.clear_validators!
  end
end