rdf-ex/test/support/rdf_case.ex
2021-10-09 16:40:07 +02:00

230 lines
6.1 KiB
Elixir

defmodule RDF.Test.Case do
use ExUnit.CaseTemplate
use RDF.Vocabulary.Namespace
defvocab EX, base_iri: "http://example.com/", terms: [], strict: false
defvocab FOAF, base_iri: "http://xmlns.com/foaf/0.1/", terms: [], strict: false
alias RDF.{Dataset, Graph, Description, IRI, XSD}
import RDF, only: [iri: 1]
import RDF.Sigils
using do
quote do
alias RDF.{Dataset, Graph, Description, IRI, XSD, PrefixMap, PropertyMap, NS}
alias RDF.NS.{RDFS, OWL}
alias unquote(__MODULE__).{EX, FOAF}
import RDF, only: [iri: 1, literal: 1, bnode: 1]
import unquote(__MODULE__)
import RDF.Sigils
@compile {:no_warn_undefined, RDF.Test.Case.EX}
@compile {:no_warn_undefined, RDF.Test.Case.FOAF}
end
end
# TODO: Remove this when we dropped support for Elixir versions < 1.10
def struct_not_allowed_as_input_error do
if Version.match?(System.version(), "~> 1.10") do
FunctionClauseError
else
ArgumentError
end
end
def string_to_stream(string) do
{:ok, pid} = StringIO.open(string)
IO.binstream(pid, :line)
end
def stream_to_string(stream) do
stream
|> Enum.to_list()
|> IO.iodata_to_binary()
end
@iri ~I<http://example.com/Foo>
@bnode ~B<foo>
@valid_literal ~L"foo"
@invalid_literal XSD.integer("foo")
###############################
# RDF.Statement
@statement {RDF.iri(EX.S), RDF.iri(EX.P), RDF.literal("Foo")}
def statement(), do: @statement
@coercible_statement {EX.S, EX.P, "Foo"}
def coercible_statement(), do: @coercible_statement
@valid_triple {RDF.iri(EX.S), EX.p(), RDF.iri(EX.O)}
def valid_triple(), do: @valid_triple
@valid_triples [
@valid_triple,
{@iri, @iri, @iri},
{@bnode, @iri, @iri},
{@iri, @iri, @bnode},
{@bnode, @iri, @bnode},
{@iri, @iri, @valid_literal},
{@bnode, @iri, @valid_literal},
{@iri, @iri, @invalid_literal},
{@bnode, @iri, @invalid_literal}
]
def valid_triples(), do: @valid_triples
@valid_star_triples [
{@valid_triple, @iri, @iri},
{@iri, @iri, @valid_triple}
]
def valid_star_triples(), do: @valid_star_triples
@valid_quads [
{@iri, @iri, @iri, @iri},
{@bnode, @iri, @iri, @iri},
{@iri, @iri, @bnode, @iri},
{@bnode, @iri, @bnode, @iri},
{@iri, @iri, @valid_literal, @iri},
{@bnode, @iri, @valid_literal, @iri},
{@iri, @iri, @invalid_literal, @iri},
{@bnode, @iri, @invalid_literal, @iri}
]
def valid_quads(), do: @valid_quads
@valid_star_quads [
{@valid_triple, @iri, @iri, @iri},
{@iri, @iri, @valid_triple, @iri}
]
def valid_star_quads(), do: @valid_star_quads
@invalid_triples [
{@iri, @bnode, @iri},
{@valid_literal, @iri, @iri},
{@iri, @valid_literal, @iri}
]
def invalid_triples, do: @invalid_triples
@invalid_quads [
{@iri, @bnode, @iri, @iri},
{@iri, @iri, @iri, @bnode},
{@valid_literal, @iri, @iri, @iri},
{@iri, @valid_literal, @iri, @iri},
{@iri, @iri, @iri, @valid_literal}
]
def invalid_quads(), do: @invalid_quads
###############################
# RDF.Description
def description, do: Description.new(EX.Subject)
def description(content), do: Description.add(description(), content)
def description_of_subject(%Description{subject: subject}, subject),
do: true
def description_of_subject(_, _),
do: false
def empty_description(%Description{predications: predications}),
do: predications == %{}
def description_includes_predication(desc, {predicate, object}) do
desc.predications
|> Map.get(predicate, %{})
|> Enum.member?({object, nil})
end
###############################
# RDF.Graph
def graph, do: unnamed_graph()
def unnamed_graph, do: Graph.new()
def named_graph(name \\ EX.GraphName), do: Graph.new(name: name)
def unnamed_graph?(%Graph{name: nil}), do: true
def unnamed_graph?(_), do: false
def named_graph?(%Graph{name: %IRI{}}), do: true
def named_graph?(_), do: false
def named_graph?(%Graph{name: name}, name), do: true
def named_graph?(_, _), do: false
def empty_graph?(%Graph{descriptions: descriptions}),
do: descriptions == %{}
def graph_includes_statement?(graph, {subject, _, _} = statement) do
subject = if is_tuple(subject), do: subject, else: iri(subject)
graph.descriptions
|> Map.get(subject, %{})
|> Enum.member?(statement)
end
###############################
# RDF.Dataset
def dataset, do: unnamed_dataset()
def unnamed_dataset, do: Dataset.new()
def named_dataset(name \\ EX.DatasetName), do: Dataset.new(name: name)
def unnamed_dataset?(%Dataset{name: nil}), do: true
def unnamed_dataset?(_), do: false
def named_dataset?(%Dataset{name: %IRI{}}), do: true
def named_dataset?(_), do: false
def named_dataset?(%Dataset{name: name}, name), do: true
def named_dataset?(_, _), do: false
def empty_dataset?(%Dataset{graphs: graphs}), do: graphs == %{}
def dataset_includes_statement?(dataset, {_, _, _} = statement) do
dataset
|> Dataset.default_graph()
|> graph_includes_statement?(statement)
end
def dataset_includes_statement?(dataset, {subject, predicate, objects, nil}),
do: dataset_includes_statement?(dataset, {subject, predicate, objects})
def dataset_includes_statement?(
dataset,
{subject, predicate, objects, graph_context}
) do
dataset.graphs
|> Map.get(iri(graph_context), named_graph(graph_context))
|> graph_includes_statement?({subject, predicate, objects})
end
###############################
# RDF.Star annotations
@star_statement {@statement, EX.ap(), EX.ao()}
def star_statement(), do: @star_statement
@empty_annotation Description.new(@statement)
def empty_annotation(), do: @empty_annotation
@annotation Description.new(@statement, init: {EX.ap(), EX.ao()})
def annotation(), do: @annotation
@object_annotation Description.new(EX.As, init: {EX.ap(), @statement})
def object_annotation(), do: @object_annotation
@graph_with_annotation Graph.new(init: @annotation)
def graph_with_annotation(), do: @graph_with_annotation
@graph_with_annotations Graph.new(init: [@annotation, @object_annotation])
def graph_with_annotations(), do: @graph_with_annotations
end