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date_validator_test.rb
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date_validator_test.rb
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require 'test_helper'
module ActiveModel
module Validations
describe DateValidator do
before do
TestRecord.reset_callbacks(:validate)
end
it "checks validity of the arguments" do
[3, "foo", 1..6].each do |wrong_argument|
proc {
TestRecord.validates(:expiration_date, date: { before: wrong_argument })
}.must_raise(ArgumentError, ":before must be a time, a date, a time_with_zone, a symbol or a proc")
end
end
it "complains when no options are provided" do
I18n.backend.reload!
TestRecord.validates :expiration_date,
date: { before: Time.now }
model = TestRecord.new(nil)
model.valid?.must_equal false
model.errors[:expiration_date].must_equal(["is not a date"])
end
it "works with helper methods" do
time = Time.now
TestRecord.validates_date_of :expiration_date, before: time
model = TestRecord.new(time + 20000)
model.valid?.must_equal false
end
[:valid,:invalid].each do |must_be|
_context = must_be == :valid ? 'when value validates correctly' : 'when value does not match validation requirements'
describe _context do
[:after, :before, :after_or_equal_to, :before_or_equal_to, :equal_to].each do |check|
now = Time.now.to_datetime
model_date = case check
when :after then must_be == :valid ? now + 21000 : now - 1
when :before then must_be == :valid ? now - 21000 : now + 1
when :after_or_equal_to then must_be == :valid ? now : now - 21000
when :before_or_equal_to then must_be == :valid ? now : now + 21000
when :equal_to then must_be == :valid ? now : now + 21000
end
it "ensures that an attribute is #{must_be} when #{must_be == :valid ? 'respecting' : 'offending' } the #{check} check" do
TestRecord.validates :expiration_date,
date: {:"#{check}" => now}
model = TestRecord.new(model_date)
must_be == :valid ? model.valid?.must_equal(true) : model.valid?.must_equal(false)
end
if _context == 'when value does not match validation requirements'
it "yields a default error message indicating that value must be #{check} validation requirements" do
TestRecord.validates :expiration_date,
date: {:"#{check}" => now}
model = TestRecord.new(model_date)
model.valid?.must_equal false
model.errors[:expiration_date].must_equal(["must be " + check.to_s.gsub('_',' ') + " #{I18n.localize(now)}"])
end
end
end
if _context == 'when value does not match validation requirements'
now = Time.now.to_datetime
it "allows for a custom validation message" do
TestRecord.validates :expiration_date,
date: { before_or_equal_to: now,
message: 'must be after Christmas' }
model = TestRecord.new(now + 21000)
model.valid?.must_equal false
model.errors[:expiration_date].must_equal(["must be after Christmas"])
end
it "allows custom validation message to be handled by I18n" do
custom_message = 'Custom Date Message'
I18n.backend.eager_load! if I18n.backend.respond_to?(:eager_load!)
I18n.backend.store_translations('en', { errors: { messages: { not_a_date: custom_message }}})
TestRecord.validates :expiration_date, date: true
model = TestRecord.new(nil)
model.valid?.must_equal false
model.errors[:expiration_date].must_equal([custom_message])
end
end
end
end
extra_types = [:proc, :symbol]
extra_types.push(:date) if defined?(Date) and defined?(DateTime)
extra_types.push(:time_with_zone) if defined?(ActiveSupport::TimeWithZone)
extra_types.each do |type|
it "accepts a #{type} as an argument to a check" do
case type
when :proc then
TestRecord.validates(:expiration_date, date: { after: Proc.new {Time.now + 21000} }).must_be_kind_of Hash
when :symbol then
TestRecord.send(:define_method, :min_date, lambda { Time.now + 21000 })
TestRecord.validates(:expiration_date, date: { after: :min_date }).must_be_kind_of Hash
when :date then
TestRecord.validates(:expiration_date, date: { after: Time.now.to_date }).must_be_kind_of Hash
when :time_with_zone then
Time.zone = "Hawaii"
TestRecord.validates(:expiration_date, date: { before: Time.zone.parse((Time.now + 21000).to_s, Time.now) }).must_be_kind_of Hash
end
end
end
it "gracefully handles an unexpected result from a proc argument evaluation" do
TestRecord.validates :expiration_date,
date: { after: Proc.new { nil } }
TestRecord.new(Time.now).valid?.must_equal false
end
it "gracefully handles an unexpected result from a symbol argument evaluation" do
TestRecord.send(:define_method, :min_date, lambda { nil })
TestRecord.validates :expiration_date,
date: { after: :min_date }
TestRecord.new(Time.now).valid?.must_equal false
end
describe "with type cast attributes" do
before do
TestRecord.send(:define_method, :expiration_date_before_type_cast, lambda { 'last year' })
end
it "should detect invalid date expressions when nil is allowed" do
TestRecord.validates(:expiration_date, date: true, allow_nil: true)
TestRecord.new(nil).valid?.must_equal false
end
it "should detect invalid date expressions when blank is allowed" do
TestRecord.validates(:expiration_date, date: true, allow_blank: true)
TestRecord.new(nil).valid?.must_equal false
end
end
describe 'with garbage input' do
it 'is invalid' do
TestRecord.validates(:expiration_date, date: true, allow_nil: true)
TestRecord.new('not a date').valid?.must_equal false
end
end
end
end
end