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require "test_helper"
class DefaultTest < Minitest::Spec
Song = Struct.new(:id, :title)
representer! do
property :id
property :title, default: "Huber Breeze" #->(options) { options[:default] }
end
describe "#from_hash" do
let(:song) { Song.new.extend(representer) }
it { song.from_hash({}).must_equal Song.new(nil, "Huber Breeze") }
# default doesn't apply when empty string.
it { song.from_hash({"title"=>""}).must_equal Song.new(nil, "") }
it { song.from_hash({"title"=>nil}).must_equal Song.new(nil, nil) }
it { song.from_hash({"title"=>"Blindfold"}).must_equal Song.new(nil, "Blindfold") }
end
describe "#to_json" do
it "uses :default when not available from object" do
Song.new.extend(representer).to_hash.must_equal({"title"=>"Huber Breeze"})
end
it "uses value from represented object when present" do
Song.new(nil, "After The War").extend(representer).to_hash.must_equal({"title"=>"After The War"})
end
it "uses value from represented object when emtpy string" do
Song.new(nil, "").extend(representer).to_hash.must_equal({"title"=>""})
end
end
end
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