# frozen_string_literal: true
require "cases/helper"
module ActiveModel
module Type
class DateTimeTest < ActiveModel::TestCase
def test_type_cast_datetime_and_timestamp
type = Type::DateTime.new
assert_nil type.cast(nil)
assert_nil type.cast("")
assert_nil type.cast(" ")
assert_nil type.cast("ABC")
datetime_string = ::Time.now.utc.strftime("%FT%T")
assert_equal datetime_string, type.cast(datetime_string).strftime("%FT%T")
end
def test_string_to_time_with_timezone
["UTC", "US/Eastern"].each do |zone|
with_timezone_config default: zone do
type = Type::DateTime.new
assert_equal ::Time.utc(2013, 9, 4, 0, 0, 0), type.cast("Wed, 04 Sep 2013 03:00:00 EAT")
end
end
end
def test_hash_to_time
type = Type::DateTime.new
assert_equal ::Time.utc(2018, 10, 15, 0, 0, 0), type.cast(1 => 2018, 2 => 10, 3 => 15)
end
def test_hash_with_wrong_keys
type = Type::DateTime.new
error = assert_raises(ArgumentError) { type.cast(a: 1) }
assert_equal "Provided hash {:a=>1} doesn't contain necessary keys: [1, 2, 3]", error.message
end
private
def with_timezone_config(default:)
old_zone_default = ::Time.zone_default
::Time.zone_default = ::Time.find_zone(default)
yield
ensure
::Time.zone_default = old_zone_default
end
end
end
end