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require 'test_helper'
class HashPublicMethodsTest < Minitest::Spec
#---
# from_hash
class BandRepresenter < Representable::Decorator
include Representable::Hash
property :id
property :name
end
let(:data) { {"id"=>1,"name"=>"Rancid"} }
it { BandRepresenter.new(Band.new).from_hash(data)[:id, :name].must_equal [1, "Rancid"] }
it { BandRepresenter.new(Band.new).parse(data)[:id, :name].must_equal [1, "Rancid"] }
#---
# to_hash
let(:band) { Band.new(1, "Rancid") }
it { BandRepresenter.new(band).to_hash.must_equal data }
it { BandRepresenter.new(band).render.must_equal data }
end
class HashWithScalarPropertyTest < Minitest::Spec
Album = Struct.new(:title)
representer! do
property :title
end
let(:album) { Album.new("Liar") }
describe "#to_hash" do
it "renders plain property" do
album.extend(representer).to_hash.must_equal("title" => "Liar")
end
end
describe "#from_hash" do
it "parses plain property" do
album.extend(representer).from_hash("title" => "This Song Is Recycled").title.must_equal "This Song Is Recycled"
end
# Fixes issue #115
it "allows nil value in the incoming document and corresponding nil value for the represented" do
album = Album.new
album.title.must_be_nil
album.extend(representer).from_hash("title" => nil)
end
end
end
class HashWithTypedPropertyTest < Minitest::Spec
Album = Struct.new(:best_song)
representer! do
property :best_song, :class => Song do
property :name
end
end
let(:album) { Album.new(Song.new("Liar")) }
describe "#to_hash" do
it "renders embedded typed property" do
album.extend(representer).to_hash.must_equal("best_song" => {"name" => "Liar"})
end
end
describe "#from_hash" do
it "parses embedded typed property" do
album.extend(representer).from_hash("best_song" => {"name" => "Go With Me"})
album.best_song.name.must_equal "Go With Me"
end
# nested nil removes nested object.
it do
album = Album.new(Song.new("Pre-medicated Murder"))
album.extend(representer).from_hash("best_song" => nil)
album.best_song.must_be_nil
end
# nested blank hash creates blank object when not populated.
it do
album = Album.new#(Song.new("Pre-medicated Murder"))
album.extend(representer).from_hash("best_song" => {})
album.best_song.name.must_be_nil
end
# Fixes issue #115
it "allows nil value in the incoming document and corresponding nil value for the represented" do
album = Album.new
album.extend(representer).from_hash("best_song" => nil)
album.best_song.must_be_nil
end
end
end
# TODO: move to AsTest.
class HashWithTypedPropertyAndAs < Minitest::Spec
representer! do
property :song, :class => Song, :as => :hit do
property :name
end
end
let(:album) { OpenStruct.new(:song => Song.new("Liar")).extend(representer) }
it { album.to_hash.must_equal("hit" => {"name" => "Liar"}) }
it { album.from_hash("hit" => {"name" => "Go With Me"}).must_equal OpenStruct.new(:song => Song.new("Go With Me")) }
end
# # describe "FIXME COMBINE WITH ABOVE with :extend and :as" do
# # hash_song = Module.new do
# # include Representable::XML
# # self.representation_wrap = :song
# # property :name
# # end
# # let(:hash_album) { Module.new do
# # include Representable::XML
# # self.representation_wrap = :album
# # property :song, :extend => hash_song, :class => Song, :as => :hit
# # end }
# # let(:album) { OpenStruct.new(:song => Song.new("Liar")).extend(hash_album) }
# # it { album.to_xml.must_equal_xml("<album><hit><name>Liar</name></hit></album>") }
# # #it { album.from_hash("hit" => {"name" => "Go With Me"}).must_equal OpenStruct.new(:song => Song.new("Go With Me")) }
# # end
# end
class HashWithTypedCollectionTest < Minitest::Spec
Album = Struct.new(:songs)
representer! do
collection :songs, class: Song do
property :name
property :track
end
end
let(:album) { Album.new([Song.new("Liar", 1), Song.new("What I Know", 2)]) }
describe "#to_hash" do
it "renders collection of typed property" do
album.extend(representer).to_hash.must_equal("songs" => [{"name" => "Liar", "track" => 1}, {"name" => "What I Know", "track" => 2}])
end
end
describe "#from_hash" do
it "parses collection of typed property" do
album.extend(representer).from_hash("songs" => [{"name" => "One Shot Deal", "track" => 4},
{"name" => "Three Way Dance", "track" => 5}]).must_equal Album.new([Song.new("One Shot Deal", 4), Song.new("Three Way Dance", 5)])
end
end
end
class HashWithScalarCollectionTest < Minitest::Spec
Album = Struct.new(:songs)
representer! { collection :songs }
let(:album) { Album.new(["Jackhammer", "Terrible Man"]) }
describe "#to_hash" do
it "renders a block style list per default" do
album.extend(representer).to_hash.must_equal("songs" => ["Jackhammer", "Terrible Man"])
end
end
describe "#from_hash" do
it "parses a block style list" do
album.extend(representer).from_hash("songs" => ["Off Key Melody", "Sinking"]).must_equal Album.new(["Off Key Melody", "Sinking"])
end
end
end
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