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require 'test_helper'
class HashBindingTest < Minitest::Spec
module SongRepresenter
include Representable::JSON
property :name
end
class SongWithRepresenter < ::Song
include Representable
include SongRepresenter
end
describe "PropertyBinding" do
describe "#read" do
before do
@property = Representable::Hash::Binding.new(Representable::Definition.new(:song))
end
it "returns fragment if present" do
assert_equal "Stick The Flag Up Your Goddamn Ass, You Sonofabitch", @property.read({"song" => "Stick The Flag Up Your Goddamn Ass, You Sonofabitch"}, "song")
assert_equal "", @property.read({"song" => ""}, "song")
assert_nil @property.read({"song" => nil}, "song")
end
it "returns FRAGMENT_NOT_FOUND if not in document" do
assert_equal Representable::Binding::FragmentNotFound, @property.read({}, "song")
end
end
end
describe "CollectionBinding" do
describe "with plain text items" do
before do
@property = Representable::Hash::Binding::Collection.new(Representable::Definition.new(:songs, :collection => true))
end
it "extracts with #read" do
assert_equal ["The Gargoyle", "Bronx"], @property.read({"songs" => ["The Gargoyle", "Bronx"]}, "songs")
end
it "inserts with #write" do
doc = {}
assert_equal(["The Gargoyle", "Bronx"], @property.write(doc, ["The Gargoyle", "Bronx"], "songs"))
assert_equal({"songs"=>["The Gargoyle", "Bronx"]}, doc)
end
end
end
describe "HashBinding" do
describe "with plain text items" do
before do
@property = Representable::Hash::Binding.new(Representable::Definition.new(:songs, :hash => true))
end
it "extracts with #read" do
assert_equal({"first" => "The Gargoyle", "second" => "Bronx"} , @property.read({"songs" => {"first" => "The Gargoyle", "second" => "Bronx"}}, "songs"))
end
it "inserts with #write" do
doc = {}
assert_equal({"first" => "The Gargoyle", "second" => "Bronx"}, @property.write(doc, {"first" => "The Gargoyle", "second" => "Bronx"}, "songs"))
assert_equal({"songs"=>{"first" => "The Gargoyle", "second" => "Bronx"}}, doc)
end
end
describe "with objects" do
before do
@property = Representable::Hash::Binding.new(Representable::Definition.new(:songs, :hash => true, :class => Song, :extend => SongRepresenter))
end
it "doesn't change the represented hash in #write" do
song = Song.new("Better Than That")
hash = {"first" => song}
@property.write({}, hash, "song")
assert_equal({"first" => song}, hash)
end
end
end
end
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