require 'cases/helper' require 'models/topic' require 'models/person' require 'models/custom_reader' class PresenceValidationTest < ActiveModel::TestCase teardown do Topic.clear_validators! Person.clear_validators! CustomReader.clear_validators! end def test_validate_presences Topic.validates_presence_of(:title, :content) t = Topic.new assert t.invalid? assert_equal ["can't be blank"], t.errors[:title] assert_equal ["can't be blank"], t.errors[:content] t.title = "something" t.content = " " assert t.invalid? assert_equal ["can't be blank"], t.errors[:content] t.content = "like stuff" assert t.valid? end def test_accepts_array_arguments Topic.validates_presence_of %w(title content) t = Topic.new assert t.invalid? assert_equal ["can't be blank"], t.errors[:title] assert_equal ["can't be blank"], t.errors[:content] end def test_validates_acceptance_of_with_custom_error_using_quotes Person.validates_presence_of :karma, message: "This string contains 'single' and \"double\" quotes" p = Person.new assert p.invalid? assert_equal "This string contains 'single' and \"double\" quotes", p.errors[:karma].last end def test_validates_presence_of_for_ruby_class Person.validates_presence_of :karma p = Person.new assert p.invalid? assert_equal ["can't be blank"], p.errors[:karma] p.karma = "Cold" assert p.valid? end def test_validates_presence_of_for_ruby_class_with_custom_reader CustomReader.validates_presence_of :karma p = CustomReader.new assert p.invalid? assert_equal ["can't be blank"], p.errors[:karma] p[:karma] = "Cold" assert p.valid? end def test_validates_presence_of_with_allow_nil_option Topic.validates_presence_of(:title, allow_nil: true) t = Topic.new(title: "something") assert t.valid?, t.errors.full_messages t.title = "" assert t.invalid? assert_equal ["can't be blank"], t.errors[:title] t.title = " " assert t.invalid?, t.errors.full_messages assert_equal ["can't be blank"], t.errors[:title] t.title = nil assert t.valid?, t.errors.full_messages end def test_validates_presence_of_with_allow_blank_option Topic.validates_presence_of(:title, allow_blank: true) t = Topic.new(title: "something") assert t.valid?, t.errors.full_messages t.title = "" assert t.valid?, t.errors.full_messages t.title = " " assert t.valid?, t.errors.full_messages t.title = nil assert t.valid?, t.errors.full_messages end end