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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_include?
errors = ActiveModel::Errors.new(self)
errors[:foo] = 'omg'
assert errors.include?(:foo), 'errors should include :foo'
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 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
end
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