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Tests and docs which explain the use of validate with a block and without arguments

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This commit is contained in:
Santiago Pastorino 2010-12-19 18:50:18 -02:00
parent 08ccd29b5b
commit 5fb42ac478
2 changed files with 20 additions and 2 deletions
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12
activemodel/lib/active_model/validations.rb
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@ -104,7 +104,7 @@ module ActiveModel
# end
# end
#
# Or with a block which is passed with the current record to be validated:
# With a block which is passed with the current record to be validated:
#
# class Comment
# include ActiveModel::Validations
@ -118,6 +118,16 @@ module ActiveModel
# end
# end
#
# Or with a block where self points to the current record to be validated:
#
# class Comment
# include ActiveModel::Validations
#
# validate do
# errors.add(:base, "Must be friends to leave a comment") unless commenter.friend_of?(commentee)
# end
# end
#
def validate(*args, &block)
options = args.extract_options!
if options.key?(:on)

10
activemodel/test/cases/validations_test.rb
View file

@ -148,6 +148,14 @@ class ValidationsTest < ActiveModel::TestCase
end
def test_validate_block
Topic.validate { 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_validate_block_with_params
Topic.validate { |topic| topic.errors.add("title", "will never be valid") }
t = Topic.new("title" => "Title", "content" => "whatever")
assert t.invalid?
@ -187,7 +195,7 @@ class ValidationsTest < ActiveModel::TestCase
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.validate {errors.add('author_email_address', 'will never be valid')}
Topic.validates_length_of :title, :content, :minimum => 2
t = Topic.new :title => ''