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require "cases/helper"
require "models/man"
require "models/face"
require "models/interest"
require "models/speedometer"
require "models/dashboard"
class PresenceValidationTest < ActiveRecord::TestCase
class Boy < Man; end
repair_validations(Boy)
def test_validates_presence_of_non_association
Boy.validates_presence_of(:name)
b = Boy.new
assert b.invalid?
b.name = "Alex"
assert b.valid?
end
def test_validates_presence_of_has_one
Boy.validates_presence_of(:face)
b = Boy.new
assert b.invalid?, "should not be valid if has_one association missing"
assert_equal 1, b.errors[:face].size, "validates_presence_of should only add one error"
end
def test_validates_presence_of_has_one_marked_for_destruction
Boy.validates_presence_of(:face)
b = Boy.new
f = Face.new
b.face = f
assert b.valid?
f.mark_for_destruction
assert b.invalid?
end
def test_validates_presence_of_has_many_marked_for_destruction
Boy.validates_presence_of(:interests)
b = Boy.new
b.interests << [i1 = Interest.new, i2 = Interest.new]
assert b.valid?
i1.mark_for_destruction
assert b.valid?
i2.mark_for_destruction
assert b.invalid?
end
def test_validates_presence_doesnt_convert_to_array
speedometer = Class.new(Speedometer)
speedometer.validates_presence_of :dashboard
dash = Dashboard.new
# dashboard has to_a method
def dash.to_a; ["(/)", '(\)']; end
s = speedometer.new
s.dashboard = dash
assert_nothing_raised { s.valid? }
end
def test_validates_presence_of_virtual_attribute_on_model
repair_validations(Interest) do
Interest.send(:attr_accessor, :abbreviation)
Interest.validates_presence_of(:topic)
Interest.validates_presence_of(:abbreviation)
interest = Interest.create!(topic: "Thought Leadering", abbreviation: "tl")
assert interest.valid?
interest.abbreviation = ""
assert interest.invalid?
end
end
def test_validations_run_on_persisted_record
repair_validations(Interest) do
interest = Interest.new
interest.save!
assert_predicate interest, :valid?
Interest.validates_presence_of(:topic)
assert_not_predicate interest, :valid?
end
end
def test_validates_presence_with_on_context
repair_validations(Interest) do
Interest.validates_presence_of(:topic, on: :required_name)
interest = Interest.new
interest.save!
assert_not interest.valid?(:required_name)
end
end
end
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