# encoding: utf-8
require "spec_helper"
require File.join(File.dirname(__FILE__), "..", "lib", "validates_falsity")

describe ".validates_falsity_of" do
  it "allows false" do
    Truthteller.validates_falsity_of :i_am_not_a_crook

    truthteller = Truthteller.new(false)
    truthteller.should be_valid
    truthteller.errors[:i_am_not_a_crook].should be_empty
  end

  it "does not allow true" do
    Truthteller.validates_falsity_of :i_am_not_a_crook

    truthteller = Truthteller.new(true)
    truthteller.should_not be_valid
    truthteller.errors[:i_am_not_a_crook].should_not be_empty
  end

  it "works with Rails 3-style validation syntax" do
    Truthteller.validates :i_am_not_a_crook, :falsity => true
    Truthteller.validates :puppies_are_cute, :falsity => true

    truthteller = Truthteller.new(false)
    truthteller.i_am_not_a_crook = false 
    truthteller.puppies_are_cute = "foo"

    truthteller.should_not be_valid
    truthteller.errors[:puppies_are_cute].should_not be_empty
    truthteller.errors[:i_am_not_a_crook].should be_empty
  end

  it "shows the English error message" do
    Truthteller.validates_falsity_of :i_am_not_a_crook

    truthteller = Truthteller.new("foo")
    truthteller.should_not be_valid
    truthteller.errors[:i_am_not_a_crook].should == ["must be false"]
  end

  it "shows the supplied error message if provided" do
    Truthteller.validates_falsity_of :i_am_not_a_crook, :message => "must answer 'yes'"

    truthteller = Truthteller.new("foo")
    truthteller.should_not be_valid
    truthteller.errors[:i_am_not_a_crook].should == ["must answer 'yes'"]
  end

  it "shows use I18n string as error message" do
    I18n.locale = :'pt-BR'
    Truthteller.validates_falsity_of :i_am_not_a_crook

    truthteller = Truthteller.new("foo")
    truthteller.should_not be_valid
    truthteller.errors[:i_am_not_a_crook].should == ["deve ser falsa"]
  end

  it "rejects nil value" do
    Truthteller.validates_falsity_of :i_am_not_a_crook

    truthteller = Truthteller.new(nil)
    truthteller.should_not be_valid
    truthteller.errors[:i_am_not_a_crook].should_not be_empty
  end

  it "does not reject nil value when asked not to" do
    Truthteller.validates_falsity_of :i_am_not_a_crook, :allow_nil => true

    truthteller = Truthteller.new(nil)
    truthteller.should be_valid
    truthteller.errors[:i_am_not_a_crook].should be_empty
  end

  it "aliases validates_truth_of" do
    Truthteller.should respond_to(:validates_falsehood_of)
  end
end