# encoding: utf-8
require 'cases/helper'

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

class InclusionValidationTest < ActiveModel::TestCase

  def teardown
    Topic.reset_callbacks(:validate)
  end

  def test_validates_inclusion_of_range
    Topic.validates_inclusion_of( :title, :in => 'aaa'..'bbb' )
    assert Topic.new("title" => "bbc", "content" => "abc").invalid?
    assert Topic.new("title" => "aa", "content" => "abc").invalid?
    assert Topic.new("title" => "aaa", "content" => "abc").valid?
    assert Topic.new("title" => "abc", "content" => "abc").valid?
    assert Topic.new("title" => "bbb", "content" => "abc").valid?
  end

  def test_validates_inclusion_of
    Topic.validates_inclusion_of( :title, :in => %w( a b c d e f g ) )

    assert Topic.new("title" => "a!", "content" => "abc").invalid?
    assert Topic.new("title" => "a b", "content" => "abc").invalid?
    assert Topic.new("title" => nil, "content" => "def").invalid?

    t = Topic.new("title" => "a", "content" => "I know you are but what am I?")
    assert t.valid?
    t.title = "uhoh"
    assert t.invalid?
    assert t.errors[:title].any?
    assert_equal ["is not included in the list"], t.errors[:title]

    assert_raise(ArgumentError) { Topic.validates_inclusion_of( :title, :in => nil ) }
    assert_raise(ArgumentError) { Topic.validates_inclusion_of( :title, :in => 0) }

    assert_nothing_raised(ArgumentError) { Topic.validates_inclusion_of( :title, :in => "hi!" ) }
    assert_nothing_raised(ArgumentError) { Topic.validates_inclusion_of( :title, :in => {} ) }
    assert_nothing_raised(ArgumentError) { Topic.validates_inclusion_of( :title, :in => [] ) }
  end

  def test_validates_inclusion_of_with_allow_nil
    Topic.validates_inclusion_of( :title, :in => %w( a b c d e f g ), :allow_nil=>true )

    assert Topic.new("title" => "a!", "content" => "abc").invalid?
    assert Topic.new("title" => "",   "content" => "abc").invalid?
    assert Topic.new("title" => nil,  "content" => "abc").valid?
  end

  def test_validates_inclusion_of_with_formatted_message
    Topic.validates_inclusion_of( :title, :in => %w( a b c d e f g ), :message => "option %{value} is not in the list" )

    assert Topic.new("title" => "a", "content" => "abc").valid?

    t = Topic.new("title" => "uhoh", "content" => "abc")
    assert t.invalid?
    assert t.errors[:title].any?
    assert_equal ["option uhoh is not in the list"], t.errors[:title]
  end

  def test_validates_inclusion_of_for_ruby_class
    Person.validates_inclusion_of :karma, :in => %w( abe monkey )

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

    assert_equal ["is not included in the list"], p.errors[:karma]

    p.karma = "monkey"
    assert p.valid?
  ensure
    Person.reset_callbacks(:validate)
  end

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

    p = Topic.new
    p.title = "wasabi"
    p.author_name = "sikachu"
    assert p.invalid?

    p.title = "elephant"
    assert p.valid?
  end

  def test_validates_inclustion_with_invalid_lambda_return
    Topic.validates_inclusion_of :title, :in => lambda{ |topic| false }

    p = Topic.new
    p.title = "monkey"
    p.author_name = "sikachu"
    assert_raise(ArgumentError){ p.valid? }
  end
end