rails--rails/activesupport/test/core_ext/module/introspection_test.rb

40 lines
1.0 KiB
Ruby

# frozen_string_literal: true
require_relative "../../abstract_unit"
require "active_support/core_ext/module/introspection"
module ParentA
module B
module C; end
module FrozenC; end
FrozenC.freeze
end
module FrozenB; end
FrozenB.freeze
end
class IntrospectionTest < ActiveSupport::TestCase
def test_module_parent_name
assert_equal "ParentA", ParentA::B.module_parent_name
assert_equal "ParentA::B", ParentA::B::C.module_parent_name
assert_nil ParentA.module_parent_name
end
def test_module_parent_name_when_frozen
assert_equal "ParentA", ParentA::FrozenB.module_parent_name
assert_equal "ParentA::B", ParentA::B::FrozenC.module_parent_name
end
def test_module_parent
assert_equal ParentA::B, ParentA::B::C.module_parent
assert_equal ParentA, ParentA::B.module_parent
assert_equal Object, ParentA.module_parent
end
def test_module_parents
assert_equal [ParentA::B, ParentA, Object], ParentA::B::C.module_parents
assert_equal [ParentA, Object], ParentA::B.module_parents
end
end