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require "test_helper"
require "representable/object"
class ObjectTest < Minitest::Spec
Song = Struct.new(:title, :album)
Album = Struct.new(:name, :songs)
representer!(module: Representable::Object) do
property :title
property :album, instance: lambda { |options| options[:fragment].name.upcase!; options[:fragment] } do
property :name
collection :songs, instance: lambda { |options| options[:fragment].title.upcase!; options[:fragment] } do
property :title
end
end
# TODO: collection
end
let(:source) { Song.new("The King Is Dead", Album.new("Ruiner", [Song.new("In Vino Veritas II")])) }
let(:target) { Song.new }
it do
representer.prepare(target).from_object(source)
target.title.must_equal "The King Is Dead"
target.album.name.must_equal "RUINER"
target.album.songs[0].title.must_equal "IN VINO VERITAS II"
end
# ignore nested object when nil
it do
representer.prepare(Song.new("The King Is Dead")).from_object(Song.new)
target.title.must_be_nil # scalar property gets overridden when nil.
target.album.must_be_nil # nested property stays nil.
end
# to_object
describe "#to_object" do
representer!(module: Representable::Object) do
property :title
property :album, render_filter: lambda { |input, options|input.name = "Live";input } do
property :name
collection :songs, render_filter: lambda { |input, options|input[0].title = 1;input } do
property :title
end
end
end
it do
representer.prepare(source).to_object
source.album.name.must_equal "Live"
source.album.songs[0].title.must_equal 1
end
end
end
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