crystal-cbor/spec/cbor_spec.cr

require "./spec_helper"

class Location
  include CBOR::Serializable

  @[CBOR::Field(key: "lat")]
  property latitude : Float64

  @[CBOR::Field(key: "lng")]
  property longitude : Float64

  def initialize(@latitude, @longitude)
  end
end

class House
  include CBOR::Serializable

  property address   : String
  property location  : Location?

  def initialize(@address)
  end
end

class Person
	include CBOR::Serializable
	include CBOR::Serializable::Unmapped

	property name : String?
	def initialize(@name = nil)
	end
end

describe CBOR do

  describe "basics: to_cbor" do
    it "array - strings" do
      ["a", "b", "c"].to_cbor.hexstring.should eq "83616161626163"
    end
    it "array - " do
      ["a", "b", "c"].to_cbor.hexstring.should eq "83616161626163"
    end
    it "hash" do
      {"a" => 10, "b" => true, "c" => nil}.to_cbor.hexstring.should eq "a361610a6162f56163f6"
    end
  end

  describe "CBOR library annotations and features" do
    it "Person#from_cbor with unmapped values" do
      h = Hash(String | Int32, String | Int32).new
      h["name"] = "Alice"
      h["age"]  = 30
      h["size"] = 160
      alice = Person.from_cbor h.to_cbor
      alice.to_cbor.hexstring.should eq "a3646e616d6565416c69636563616765181e6473697a6518a0"
    end

    it "Person#to_cbor with unmapped values" do
      alice = Person.new "Alice"
      alice.cbor_unmapped["age"] = 30
      alice.cbor_unmapped["size"] = 160
      alice.to_cbor.hexstring.should eq "a3646e616d6565416c69636563616765181e6473697a6518a0"
    end
  end

  describe "CBOR::Any" do
    it "from JSON::Any - 1" do
      h_any = {"a" => "b", "c" => "d", "e" => true, "f" => 10}
      json_any = JSON.parse h_any.to_json
      cbor_any = CBOR::Any.new json_any
      cbor_any.to_cbor.hexstring.should eq "a461616162616361646165f561660a"
    end

    it "from JSON::Any - 2" do
      h_any = {"a" => "b", "c" => "d", "e" => true, "f" => 10}
      json_any = JSON.parse h_any.to_json
      cbor_any = CBOR::Any.new json_any
      cbor_any["f"].should eq 10
    end

    it "from array" do
      array = CBOR::Any.from_cbor [ "a", "b", "c", "d" ].to_cbor
      array.to_cbor.hexstring.should eq "846161616261636164"
    end

    it "from hash" do
      h_cany = Hash(String | Int32, String | Int32).new
      h_cany["name"] = "Alice"
      h_cany["age"]  = 30
      h_cany["size"] = 160
      cbor_any_hash = CBOR::Any.from_cbor h_cany.to_cbor
      cbor_any_hash.to_cbor.hexstring.should eq "a3646e616d6565416c69636563616765181e6473697a6518a0"
    end
  end
end