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# -*- coding: utf-8 -*-
require 'minitest/autorun'
require 'instance_storage'
class InstanceStorageTest < Minitest::Test
def test_get_and_create_instance
klass = Class.new do
include InstanceStorage end
assert_same(klass[:foo], klass[:foo])
refute_same(klass[:foo], klass[:bar])
end
def test_get_all_instances
klass = Class.new do
include InstanceStorage end
assert_equal([], klass.instances)
assert_equal([klass[:a], klass[:b]], klass.instances)
end
def test_get_all_instances_name
klass = Class.new do
include InstanceStorage end
assert_equal([], klass.instances_name)
klass[:a]
klass[:b]
assert_equal([:a, :b], klass.instances_name)
end
def test_destroy_instance
klass = Class.new do
include InstanceStorage end
klass[:a]
assert(klass.instance_exist? :a)
klass.destroy(:a)
assert(! klass.instance_exist?(:a))
end
def test_get_existing_instance
klass = Class.new do
include InstanceStorage end
assert_nil(klass.instance(:a))
assert_equal(klass[:a], klass.instance(:a))
end
def test_should_support_inherited_class
klass = Class.new do
include InstanceStorage end
child = Class.new(klass)
assert_same(child[:foo], child[:foo])
refute_same(child[:foo], klass[:foo])
end
end
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