require "cases/helper" class ErrorsTest < ActiveModel::TestCase class Person extend ActiveModel::Naming def initialize @errors = ActiveModel::Errors.new(self) end attr_accessor :name attr_reader :errors def validate! errors.add(:name, "can not be nil") if name == nil end def read_attribute_for_validation(attr) send(attr) end def self.human_attribute_name(attr, options = {}) attr end def self.lookup_ancestors [self] end end def test_delete errors = ActiveModel::Errors.new(self) errors[:foo] = 'omg' errors.delete(:foo) assert_empty errors[:foo] end def test_include? errors = ActiveModel::Errors.new(self) errors[:foo] = 'omg' assert errors.include?(:foo), 'errors should include :foo' end def test_dup errors = ActiveModel::Errors.new(self) errors[:foo] = 'bar' errors_dup = errors.dup errors_dup[:bar] = 'omg' assert_not_same errors_dup.messages, errors.messages end def test_has_key? errors = ActiveModel::Errors.new(self) errors[:foo] = 'omg' assert errors.has_key?(:foo), 'errors should have key :foo' end test "should return true if no errors" do person = Person.new person.errors[:foo] assert person.errors.empty? assert person.errors.blank? assert !person.errors.include?(:foo) end test "method validate! should work" do person = Person.new person.validate! assert_equal ["name can not be nil"], person.errors.full_messages assert_equal ["can not be nil"], person.errors[:name] end test 'should be able to assign error' do person = Person.new person.errors[:name] = 'should not be nil' assert_equal ["should not be nil"], person.errors[:name] end test 'should be able to add an error on an attribute' do person = Person.new person.errors.add(:name, "can not be blank") assert_equal ["can not be blank"], person.errors[:name] end test "should be able to add an error with a symbol" do person = Person.new person.errors.add(:name, :blank) message = person.errors.generate_message(:name, :blank) assert_equal [message], person.errors[:name] end test "should be able to add an error with a proc" do person = Person.new message = Proc.new { "can not be blank" } person.errors.add(:name, message) assert_equal ["can not be blank"], person.errors[:name] end test "added? should be true if that error was added" do person = Person.new person.errors.add(:name, "can not be blank") assert person.errors.added?(:name, "can not be blank") end test "added? should handle when message is a symbol" do person = Person.new person.errors.add(:name, :blank) assert person.errors.added?(:name, :blank) end test "added? should handle when message is a proc" do person = Person.new message = Proc.new { "can not be blank" } person.errors.add(:name, message) assert person.errors.added?(:name, message) end test "added? should default message to :invalid" do person = Person.new person.errors.add(:name, :invalid) assert person.errors.added?(:name) end test "added? should be true when several errors are present, and we ask for one of them" do person = Person.new person.errors.add(:name, "can not be blank") person.errors.add(:name, "is invalid") assert person.errors.added?(:name, "can not be blank") end test "added? should be false if no errors are present" do person = Person.new assert !person.errors.added?(:name) end test "added? should be false when an error is present, but we check for another error" do person = Person.new person.errors.add(:name, "is invalid") assert !person.errors.added?(:name, "can not be blank") end test 'should respond to size' do person = Person.new person.errors.add(:name, "can not be blank") assert_equal 1, person.errors.size end test 'to_a should return an array' do person = Person.new person.errors.add(:name, "can not be blank") person.errors.add(:name, "can not be nil") assert_equal ["name can not be blank", "name can not be nil"], person.errors.to_a end test 'to_hash should return an ordered hash' do person = Person.new person.errors.add(:name, "can not be blank") assert_instance_of ActiveSupport::OrderedHash, person.errors.to_hash end test 'full_messages should return an array of error messages, with the attribute name included' do person = Person.new person.errors.add(:name, "can not be blank") person.errors.add(:name, "can not be nil") assert_equal ["name can not be blank", "name can not be nil"], person.errors.to_a end test 'full_message should return the given message if attribute equals :base' do person = Person.new assert_equal "press the button", person.errors.full_message(:base, "press the button") end test 'full_message should return the given message with the attribute name included' do person = Person.new assert_equal "name can not be blank", person.errors.full_message(:name, "can not be blank") end test 'should return a JSON hash representation of the errors' do person = Person.new person.errors.add(:name, "can not be blank") person.errors.add(:name, "can not be nil") person.errors.add(:email, "is invalid") hash = person.errors.as_json assert_equal ["can not be blank", "can not be nil"], hash[:name] assert_equal ["is invalid"], hash[:email] end test "generate_message should work without i18n_scope" do person = Person.new assert !Person.respond_to?(:i18n_scope) assert_nothing_raised { person.errors.generate_message(:name, :blank) } end end