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