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require 'test_helper'
# tests defining representers in modules, decorators and classes and the inheritance when combined.
class ConfigInheritTest < Minitest::Spec
def assert_cloned(child, parent, property)
child_def = child.representable_attrs.get(property)
parent_def = parent.representable_attrs.get(property)
child_def.merge!(:alias => property)
child_def[:alias].wont_equal parent_def[:alias]
child_def.object_id.wont_equal parent_def.object_id
end
# class Object
# end
module GenreModule
include Representable::Hash
property :genre
end
# in Decorator ------------------------------------------------
class Decorator < Representable::Decorator
include Representable::Hash
property :title
property :artist do
property :id
end
end
it { Decorator.definitions.keys.must_equal ["title", "artist"] }
# in inheriting Decorator
class InheritingDecorator < Decorator
property :location
end
it { InheritingDecorator.definitions.keys.must_equal ["title", "artist", "location"] }
it { assert_cloned(InheritingDecorator, Decorator, "title") }
it do
InheritingDecorator.representable_attrs.get(:artist).representer_module.object_id.wont_equal Decorator.representable_attrs.get(:artist).representer_module.object_id
end
# in inheriting and including Decorator
class InheritingAndIncludingDecorator < Decorator
include GenreModule
property :location
end
it { InheritingAndIncludingDecorator.definitions.keys.must_equal ["title", "artist", "genre", "location"] }
it { assert_cloned(InheritingAndIncludingDecorator, GenreModule, :genre) }
# in module ---------------------------------------------------
module Module
include Representable
property :title
end
it { Module.definitions.keys.must_equal ["title"] }
# in module including module
module SubModule
include Representable
include Module
property :location
end
it { SubModule.definitions.keys.must_equal ["title", "location"] }
it { assert_cloned(SubModule, Module, :title) }
# including preserves order
module IncludingModule
include Representable
property :genre
include Module
property :location
end
it { IncludingModule.definitions.keys.must_equal ["genre", "title", "location"] }
# included in class -------------------------------------------
class Class
include Representable
include IncludingModule
end
it { Class.definitions.keys.must_equal ["genre", "title", "location"] }
it { assert_cloned(Class, IncludingModule, :title) }
it { assert_cloned(Class, IncludingModule, :location) }
it { assert_cloned(Class, IncludingModule, :genre) }
# included in class with order
class DefiningClass
include Representable
property :street_cred
include IncludingModule
end
it { DefiningClass.definitions.keys.must_equal ["street_cred", "genre", "title", "location"] }
# in class
class RepresenterClass
include Representable
property :title
end
it { RepresenterClass.definitions.keys.must_equal ["title"] }
# in inheriting class
class InheritingClass < RepresenterClass
include Representable
property :location
end
it { InheritingClass.definitions.keys.must_equal ["title", "location"] }
it { assert_cloned(InheritingClass, RepresenterClass, :title) }
# in inheriting class and including
class InheritingAndIncludingClass < RepresenterClass
property :location
include GenreModule
end
it { InheritingAndIncludingClass.definitions.keys.must_equal ["title", "location", "genre"] }
end
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