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 a hash' do
person = Person.new
person.errors.add(:name, "can not be blank")
assert_instance_of ::Hash, 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 'should return a JSON hash representation of the errors with full messages' 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(:full_messages => true)
assert_equal ["name can not be blank", "name can not be nil"], hash[:name]
assert_equal ["email 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
