defmodule JSON.LD.TestSuite.ToRdfTest do
  use ExUnit.Case, async: false

  import JSON.LD.TestSuite
  import RDF.Sigils

  setup_all do
    [base_iri: manifest("toRdf")["baseIri"]]
  end

  test_cases("toRdf")
# TODO: Ordering problems
#  |> Enum.filter(fn %{"@id" => id} -> id in ~w[#t0118] end)
# TODO: Fixed in next Elixir release
#  |> Enum.filter(fn %{"@id" => id} -> id in ~w[#t0102] end)
  |> Enum.each(fn %{"name" => name, "input" => input} = test_case ->
      if input in ~w[toRdf-0102-in.jsonld] do
        @tag skip: """
          caused by a another problem in Elixirs URI.merge which should be fixed with next Elixir release
          https://github.com/elixir-lang/elixir/pull/6208
        """
      end
      if input in ~w[toRdf-0118-in.jsonld] do
        @tag skip: """
          Actually an isomorphic graph is generated, but due to different ordering
          during expansion the generated blank nodes are named different.
        """
      end
      @tag :test_suite
      @tag :to_rdf_test_suite
      @tag data: test_case
      test "#{input}: #{name}",
          %{data: %{"input" => input, "expect" => output} = test_case, base_iri: base_iri} do
        # This requires a special handling, since the N-Quad ouput file is not valid, by using blank nodes as predicates
        dataset = if input == "toRdf-0118-in.jsonld",
                    do: toRdf_0118_dataset(),
                  else: RDF.NQuads.read_file!(file(output))

        assert JSON.LD.read_file!(file(input), test_case_options(test_case, base_iri)) == dataset
      end
    end)

  def toRdf_0118_dataset do
    RDF.Dataset.new([
      {RDF.bnode("b0"), ~I<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>, RDF.bnode("b0")},
      {RDF.bnode("b0"), RDF.bnode("b0"), "plain value"},
      {RDF.bnode("b0"), RDF.bnode("b0"), ~I<http://json-ld.org/test-suite/tests/relativeIri>},
      {RDF.bnode("b0"), RDF.bnode("b0"), RDF.bnode("b0")},
      {RDF.bnode("b0"), RDF.bnode("b0"), RDF.bnode("b1")},
      {RDF.bnode("b0"), RDF.bnode("b0"), RDF.bnode("b2")},
      {RDF.bnode("b0"), RDF.bnode("b0"), RDF.bnode("b3")},
      {RDF.bnode("b1"), RDF.bnode("b0"), "term"},
      {RDF.bnode("b2"), RDF.bnode("b0"), "termId"},
    ])
  end
end