rdf-ex/test/unit/nquads_encoder_test.exs

118 lines
4.2 KiB
Elixir

defmodule RDF.NQuads.EncoderTest do
use ExUnit.Case, async: false
alias RDF.NQuads
doctest NQuads.Encoder
alias RDF.{Dataset, Graph}
alias RDF.NS.XSD
import RDF.Sigils
use RDF.Vocabulary.Namespace
defvocab EX,
base_iri: "http://example.org/#",
terms: [], strict: false
describe "serializing a graph" do
test "an empty graph is serialized to an empty string" do
assert NQuads.Encoder.encode!(Graph.new) == ""
end
test "statements with IRIs only" do
assert NQuads.Encoder.encode!(Graph.new [
{EX.S1, EX.p1, EX.O1},
{EX.S1, EX.p1, EX.O2},
{EX.S1, EX.p2, EX.O3},
{EX.S2, EX.p3, EX.O4},
]) ==
"""
<http://example.org/#S1> <http://example.org/#p1> <http://example.org/#O1> .
<http://example.org/#S1> <http://example.org/#p1> <http://example.org/#O2> .
<http://example.org/#S1> <http://example.org/#p2> <http://example.org/#O3> .
<http://example.org/#S2> <http://example.org/#p3> <http://example.org/#O4> .
"""
end
test "statements with literals" do
assert NQuads.Encoder.encode!(Graph.new [
{EX.S1, EX.p1, ~L"foo"},
{EX.S1, EX.p1, ~L"foo"en},
{EX.S1, EX.p2, 42},
{EX.S2, EX.p3, RDF.literal("strange things", datatype: EX.custom)},
]) ==
"""
<http://example.org/#S1> <http://example.org/#p1> "foo"@en .
<http://example.org/#S1> <http://example.org/#p1> "foo" .
<http://example.org/#S1> <http://example.org/#p2> "42"^^<#{XSD.integer}> .
<http://example.org/#S2> <http://example.org/#p3> "strange things"^^<#{EX.custom}> .
"""
end
test "statements with blank nodes" do
assert NQuads.Encoder.encode!(Graph.new [
{EX.S1, EX.p1, RDF.bnode(1)},
{EX.S1, EX.p1, RDF.bnode("foo")},
{EX.S1, EX.p1, RDF.bnode(:bar)},
]) ==
"""
<http://example.org/#S1> <http://example.org/#p1> _:1 .
<http://example.org/#S1> <http://example.org/#p1> _:bar .
<http://example.org/#S1> <http://example.org/#p1> _:foo .
"""
end
end
describe "serializing a dataset" do
test "an empty dataset is serialized to an empty string" do
assert NQuads.Encoder.encode!(Dataset.new) == ""
end
test "statements with IRIs only" do
assert NQuads.Encoder.encode!(Dataset.new [
{EX.S1, EX.p1, EX.O1, EX.G},
{EX.S1, EX.p1, EX.O2, EX.G},
{EX.S1, EX.p2, EX.O3, EX.G},
{EX.S2, EX.p3, EX.O4},
]) ==
"""
<http://example.org/#S2> <http://example.org/#p3> <http://example.org/#O4> .
<http://example.org/#S1> <http://example.org/#p1> <http://example.org/#O1> <http://example.org/#G> .
<http://example.org/#S1> <http://example.org/#p1> <http://example.org/#O2> <http://example.org/#G> .
<http://example.org/#S1> <http://example.org/#p2> <http://example.org/#O3> <http://example.org/#G> .
"""
end
test "statements with literals" do
assert NQuads.Encoder.encode!(Dataset.new [
{EX.S1, EX.p1, ~L"foo", EX.G1},
{EX.S1, EX.p1, ~L"foo"en, EX.G2},
{EX.S1, EX.p2, 42, EX.G3},
{EX.S2, EX.p3, RDF.literal("strange things", datatype: EX.custom), EX.G3},
]) ==
"""
<http://example.org/#S1> <http://example.org/#p1> "foo" <http://example.org/#G1> .
<http://example.org/#S1> <http://example.org/#p1> "foo"@en <http://example.org/#G2> .
<http://example.org/#S1> <http://example.org/#p2> "42"^^<#{XSD.integer}> <http://example.org/#G3> .
<http://example.org/#S2> <http://example.org/#p3> "strange things"^^<#{EX.custom}> <http://example.org/#G3> .
"""
end
test "statements with blank nodes" do
assert NQuads.Encoder.encode!(Dataset.new [
{EX.S1, EX.p1, RDF.bnode(1)},
{EX.S1, EX.p1, RDF.bnode("foo"), EX.G},
{EX.S1, EX.p1, RDF.bnode(:bar)},
]) ==
"""
<http://example.org/#S1> <http://example.org/#p1> _:1 .
<http://example.org/#S1> <http://example.org/#p1> _:bar .
<http://example.org/#S1> <http://example.org/#p1> _:foo <http://example.org/#G> .
"""
end
end
end