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require 'cases/helper'
require 'models/topic'
require 'models/person'
require 'models/custom_reader'
class PresenceValidationTest < ActiveModel::TestCase
teardown do
Topic.clear_validators!
Person.clear_validators!
CustomReader.clear_validators!
end
def test_validate_presences
Topic.validates_presence_of(:title, :content)
t = Topic.new
assert t.invalid?
assert_equal ["can't be blank"], t.errors[:title]
assert_equal ["can't be blank"], t.errors[:content]
t.title = "something"
t.content = " "
assert t.invalid?
assert_equal ["can't be blank"], t.errors[:content]
t.content = "like stuff"
assert t.valid?
end
def test_accepts_array_arguments
Topic.validates_presence_of %w(title content)
t = Topic.new
assert t.invalid?
assert_equal ["can't be blank"], t.errors[:title]
assert_equal ["can't be blank"], t.errors[:content]
end
def test_validates_acceptance_of_with_custom_error_using_quotes
Person.validates_presence_of :karma, message: "This string contains 'single' and \"double\" quotes"
p = Person.new
assert p.invalid?
assert_equal "This string contains 'single' and \"double\" quotes", p.errors[:karma].last
end
def test_validates_presence_of_for_ruby_class
Person.validates_presence_of :karma
p = Person.new
assert p.invalid?
assert_equal ["can't be blank"], p.errors[:karma]
p.karma = "Cold"
assert p.valid?
end
def test_validates_presence_of_for_ruby_class_with_custom_reader
CustomReader.validates_presence_of :karma
p = CustomReader.new
assert p.invalid?
assert_equal ["can't be blank"], p.errors[:karma]
p[:karma] = "Cold"
assert p.valid?
end
def test_validates_presence_of_with_allow_nil_option
Topic.validates_presence_of(:title, allow_nil: true)
t = Topic.new(title: "something")
assert t.valid?, t.errors.full_messages
t.title = ""
assert t.invalid?
assert_equal ["can't be blank"], t.errors[:title]
t.title = " "
assert t.invalid?, t.errors.full_messages
assert_equal ["can't be blank"], t.errors[:title]
t.title = nil
assert t.valid?, t.errors.full_messages
end
def test_validates_presence_of_with_allow_blank_option
Topic.validates_presence_of(:title, allow_blank: true)
t = Topic.new(title: "something")
assert t.valid?, t.errors.full_messages
t.title = ""
assert t.valid?, t.errors.full_messages
t.title = " "
assert t.valid?, t.errors.full_messages
t.title = nil
assert t.valid?, t.errors.full_messages
end
end
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