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require 'test_helper'
require 'representable/coercion'
class VirtusCoercionTest < Minitest::Spec
representer! do
include Representable::Coercion
property :title # no coercion.
property :length, :type => Float
property :band, :class => OpenStruct do
property :founded, :type => Integer
end
collection :songs, :class => OpenStruct do
property :ok, :type => Virtus::Attribute::Boolean
end
end
let(:album) { OpenStruct.new(:title => "Dire Straits", :length => 41.34,
:band => OpenStruct.new(:founded => "1977"),
:songs => [OpenStruct.new(:ok => 1), OpenStruct.new(:ok => 0)]) }
it { album.extend(representer).to_hash.must_equal({"title"=>"Dire Straits", "length"=>41.34, "band"=>{"founded"=>1977}, "songs"=>[{"ok"=>true}, {"ok"=>false}]}) }
it {
album = OpenStruct.new
album.extend(representer)
album.from_hash({"title"=>"Dire Straits", "length"=>"41.34", "band"=>{"founded"=>"1977"}, "songs"=>[{"ok"=>1}, {"ok"=>0}]})
# it
album.length.must_equal 41.34
album.band.founded.must_equal 1977
album.songs[0].ok.must_equal true
}
describe "with user :parse_filter and :render_filter" do
representer! do
include Representable::Coercion
property :length, :type => Float,
:parse_filter => lambda { |input, options| "#{input}.1" }, # happens BEFORE coercer.
:render_filter => lambda { |fragment,*| "#{fragment}.1" }
end
# user's :parse_filter(s) are run before coercion.
it { OpenStruct.new.extend(representer).from_hash("length"=>"1").length.must_equal 1.1 }
# user's :render_filter(s) are run before coercion.
it { OpenStruct.new(:length=>1).extend(representer).to_hash.must_equal({"length" => 1.1}) }
end
end
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