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# encoding: utf-8
require 'cases/helper'
require 'models/topic'
require 'models/reply'
require 'models/custom_reader'
require 'models/automobile'
class ValidationsTest < ActiveModel::TestCase
def setup
Topic._validators.clear
end
# Most of the tests mess with the validations of Topic, so lets repair it all the time.
# Other classes we mess with will be dealt with in the specific tests
def teardown
Topic.reset_callbacks(:validate)
end
def test_single_field_validation
r = Reply.new
r.title = "There's no content!"
assert r.invalid?, "A reply without content shouldn't be saveable"
r.content = "Messa content!"
assert r.valid?, "A reply with content should be saveable"
end
def test_single_attr_validation_and_error_msg
r = Reply.new
r.title = "There's no content!"
assert r.invalid?
assert r.errors[:content].any?, "A reply without content should mark that attribute as invalid"
assert_equal ["is Empty"], r.errors["content"], "A reply without content should contain an error"
assert_equal 1, r.errors.count
end
def test_double_attr_validation_and_error_msg
r = Reply.new
assert r.invalid?
assert r.errors[:title].any?, "A reply without title should mark that attribute as invalid"
assert_equal ["is Empty"], r.errors["title"], "A reply without title should contain an error"
assert r.errors[:content].any?, "A reply without content should mark that attribute as invalid"
assert_equal ["is Empty"], r.errors["content"], "A reply without content should contain an error"
assert_equal 2, r.errors.count
end
def test_single_error_per_attr_iteration
r = Reply.new
r.valid?
errors = []
r.errors.each {|attr, messages| errors << [attr.to_s, messages] }
assert errors.include?(["title", "is Empty"])
assert errors.include?(["content", "is Empty"])
end
def test_multiple_errors_per_attr_iteration_with_full_error_composition
r = Reply.new
r.title = ""
r.content = ""
r.valid?
errors = r.errors.to_a
assert_equal "Content is Empty", errors[0]
assert_equal "Title is Empty", errors[1]
assert_equal 2, r.errors.count
end
def test_errors_on_nested_attributes_expands_name
t = Topic.new
t.errors["replies.name"] << "can't be blank"
assert_equal ["Replies name can't be blank"], t.errors.full_messages
end
def test_errors_on_base
r = Reply.new
r.content = "Mismatch"
r.valid?
r.errors[:base] << "Reply is not dignifying"
errors = []
r.errors.to_a.each { |error| errors << error }
assert_equal ["Reply is not dignifying"], r.errors[:base]
assert errors.include?("Title is Empty")
assert errors.include?("Reply is not dignifying")
assert_equal 2, r.errors.count
end
def test_errors_empty_after_errors_on_check
t = Topic.new
assert t.errors[:id].empty?
assert t.errors.empty?
end
def test_validates_each
hits = 0
Topic.validates_each(:title, :content, [:title, :content]) do |record, attr|
record.errors.add attr, 'gotcha'
hits += 1
end
t = Topic.new("title" => "valid", "content" => "whatever")
assert t.invalid?
assert_equal 4, hits
assert_equal %w(gotcha gotcha), t.errors[:title]
assert_equal %w(gotcha gotcha), t.errors[:content]
end
def test_validates_each_custom_reader
hits = 0
CustomReader.validates_each(:title, :content, [:title, :content]) do |record, attr|
record.errors.add attr, 'gotcha'
hits += 1
end
t = CustomReader.new("title" => "valid", "content" => "whatever")
assert t.invalid?
assert_equal 4, hits
assert_equal %w(gotcha gotcha), t.errors[:title]
assert_equal %w(gotcha gotcha), t.errors[:content]
end
def test_validate_block
Topic.validate { |topic| topic.errors.add("title", "will never be valid") }
t = Topic.new("title" => "Title", "content" => "whatever")
assert t.invalid?
assert t.errors[:title].any?
assert_equal ["will never be valid"], t.errors["title"]
end
def test_invalid_validator
Topic.validate :i_dont_exist
assert_raise(NameError) do
t = Topic.new
t.valid?
end
end
def test_errors_to_xml
r = Reply.new :title => "Wrong Create"
assert r.invalid?
xml = r.errors.to_xml(:skip_instruct => true)
assert_equal "<errors>", xml.first(8)
assert xml.include?("<error>Content is Empty</error>")
end
def test_validation_order
Topic.validates_presence_of :title
Topic.validates_length_of :title, :minimum => 2
t = Topic.new("title" => "")
assert t.invalid?
assert_equal "can't be blank", t.errors["title"].first
Topic.validates_presence_of :title, :author_name
Topic.validate {|topic| topic.errors.add('author_email_address', 'will never be valid')}
Topic.validates_length_of :title, :content, :minimum => 2
t = Topic.new :title => ''
assert t.invalid?
assert_equal :title, key = t.errors.keys[0]
assert_equal "can't be blank", t.errors[key][0]
assert_equal 'is too short (minimum is 2 characters)', t.errors[key][1]
assert_equal :author_name, key = t.errors.keys[1]
assert_equal "can't be blank", t.errors[key][0]
assert_equal :author_email_address, key = t.errors.keys[2]
assert_equal 'will never be valid', t.errors[key][0]
assert_equal :content, key = t.errors.keys[3]
assert_equal 'is too short (minimum is 2 characters)', t.errors[key][0]
end
def test_invalid_should_be_the_opposite_of_valid
Topic.validates_presence_of :title
t = Topic.new
assert t.invalid?
assert t.errors[:title].any?
t.title = 'Things are going to change'
assert !t.invalid?
end
def test_deprecated_error_messages_on
Topic.validates_presence_of :title
t = Topic.new
assert t.invalid?
[:title, "title"].each do |attribute|
assert_deprecated { assert_equal "can't be blank", t.errors.on(attribute) }
end
Topic.validates_each(:title) do |record, attribute|
record.errors[attribute] << "invalid"
end
assert t.invalid?
[:title, "title"].each do |attribute|
assert_deprecated do
assert t.errors.on(attribute).include?("invalid")
assert t.errors.on(attribute).include?("can't be blank")
end
end
end
def test_deprecated_errors_on_base_and_each
t = Topic.new
assert t.valid?
assert_deprecated { t.errors.add_to_base "invalid topic" }
assert_deprecated { assert_equal "invalid topic", t.errors.on_base }
assert_deprecated { assert t.errors.invalid?(:base) }
all_errors = t.errors.to_a
assert_deprecated { assert_equal all_errors, t.errors.each_full{|err| err} }
end
def test_validation_with_message_as_proc
Topic.validates_presence_of(:title, :message => proc { "no blanks here".upcase })
t = Topic.new
assert t.invalid?
assert ["NO BLANKS HERE"], t.errors[:title]
end
def test_list_of_validators_for_model
Topic.validates_presence_of :title
Topic.validates_length_of :title, :minimum => 2
assert_equal 2, Topic.validators.count
assert_equal [:presence, :length], Topic.validators.map(&:kind)
end
def test_list_of_validators_on_an_attribute
Topic.validates_presence_of :title, :content
Topic.validates_length_of :title, :minimum => 2
assert_equal 2, Topic.validators_on(:title).count
assert_equal [:presence, :length], Topic.validators_on(:title).map(&:kind)
assert_equal 1, Topic.validators_on(:content).count
assert_equal [:presence], Topic.validators_on(:content).map(&:kind)
end
def test_accessing_instance_of_validator_on_an_attribute
Topic.validates_length_of :title, :minimum => 10
assert_equal 10, Topic.validators_on(:title).first.options[:minimum]
end
def test_validations_on_the_instance_level
auto = Automobile.new
assert auto.invalid?
assert_equal 2, auto.errors.size
auto.make = 'Toyota'
auto.model = 'Corolla'
assert auto.valid?
end
end
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