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# frozen_string_literal: true
require "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_parent_name
assert_equal "ParentA", ParentA::B.parent_name
assert_equal "ParentA::B", ParentA::B::C.parent_name
assert_nil ParentA.parent_name
end
def test_parent_name_when_frozen
assert_equal "ParentA", ParentA::FrozenB.parent_name
assert_equal "ParentA::B", ParentA::B::FrozenC.parent_name
end
def test_parent
assert_equal ParentA::B, ParentA::B::C.parent
assert_equal ParentA, ParentA::B.parent
assert_equal Object, ParentA.parent
end
def test_parents
assert_equal [ParentA::B, ParentA, Object], ParentA::B::C.parents
assert_equal [ParentA, Object], ParentA::B.parents
end
end
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