135 lines
5.2 KiB
Elixir
135 lines
5.2 KiB
Elixir
defmodule RDF.NTriples.DecoderTest do
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use ExUnit.Case, async: false
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doctest RDF.NTriples.Decoder
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alias RDF.Graph
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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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defvocab P, base_iri: "http://www.perceive.net/schemas/relationship/", terms: [], strict: false
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test "an empty string is deserialized to an empty graph" do
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assert RDF.NTriples.Decoder.decode!("") == Graph.new()
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assert RDF.NTriples.Decoder.decode!(" \n\r\r\n ") == Graph.new()
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end
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test "decoding comments" do
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assert RDF.NTriples.Decoder.decode!("# just a comment") == Graph.new()
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assert RDF.NTriples.Decoder.decode!("""
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<http://example.org/#S> <http://example.org/#p> _:1 . # a comment
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""") == Graph.new({EX.S, EX.p(), RDF.bnode("1")})
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assert RDF.NTriples.Decoder.decode!("""
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# a comment
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<http://example.org/#S> <http://example.org/#p> <http://example.org/#O> .
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""") == Graph.new({EX.S, EX.p(), EX.O})
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assert RDF.NTriples.Decoder.decode!("""
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<http://example.org/#S> <http://example.org/#p> <http://example.org/#O> .
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# a comment
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""") == Graph.new({EX.S, EX.p(), EX.O})
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assert RDF.NTriples.Decoder.decode!("""
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# Header line 1
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# Header line 2
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<http://example.org/#S1> <http://example.org/#p1> <http://example.org/#O1> .
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# 1st comment
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<http://example.org/#S1> <http://example.org/#p2> <http://example.org/#O2> . # 2nd comment
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# last comment
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""") ==
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Graph.new([
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{EX.S1, EX.p1(), EX.O1},
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{EX.S1, EX.p2(), EX.O2}
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])
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end
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test "empty lines" do
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assert RDF.NTriples.Decoder.decode!("""
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<http://example.org/#spiderman> <http://www.perceive.net/schemas/relationship/enemyOf> <http://example.org/#green_goblin> .
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""") == Graph.new({EX.spiderman(), P.enemyOf(), EX.green_goblin()})
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assert RDF.NTriples.Decoder.decode!("""
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<http://example.org/#spiderman> <http://www.perceive.net/schemas/relationship/enemyOf> <http://example.org/#green_goblin> .
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""") == Graph.new({EX.spiderman(), P.enemyOf(), EX.green_goblin()})
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assert RDF.NTriples.Decoder.decode!("""
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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/#p2> <http://example.org/#O2> .
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""") ==
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Graph.new([
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{EX.S1, EX.p1(), EX.O1},
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{EX.S1, EX.p2(), EX.O2}
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])
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end
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test "decoding a single triple with iris" do
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assert RDF.NTriples.Decoder.decode!("""
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<http://example.org/#spiderman> <http://www.perceive.net/schemas/relationship/enemyOf> <http://example.org/#green_goblin> .
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""") == Graph.new({EX.spiderman(), P.enemyOf(), EX.green_goblin()})
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end
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test "decoding a single triple with a blank node" do
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assert RDF.NTriples.Decoder.decode!("""
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_:foo <http://example.org/#p> <http://example.org/#O> .
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""") == Graph.new({RDF.bnode("foo"), EX.p(), EX.O})
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assert RDF.NTriples.Decoder.decode!("""
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<http://example.org/#S> <http://example.org/#p> _:1 .
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""") == Graph.new({EX.S, EX.p(), RDF.bnode("1")})
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assert RDF.NTriples.Decoder.decode!("""
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_:foo <http://example.org/#p> _:bar .
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""") == Graph.new({RDF.bnode("foo"), EX.p(), RDF.bnode("bar")})
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end
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test "decoding a single triple with an untyped string literal" do
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assert RDF.NTriples.Decoder.decode!("""
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<http://example.org/#spiderman> <http://www.perceive.net/schemas/relationship/realname> "Peter Parker" .
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""") == Graph.new({EX.spiderman(), P.realname(), RDF.literal("Peter Parker")})
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end
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test "decoding a single triple with a typed literal" do
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assert RDF.NTriples.Decoder.decode!("""
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<http://example.org/#spiderman> <http://example.org/#p> "42"^^<http://www.w3.org/2001/XMLSchema#integer> .
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""") == Graph.new({EX.spiderman(), EX.p(), RDF.literal(42)})
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end
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test "decoding a single triple with a language tagged literal" do
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assert RDF.NTriples.Decoder.decode!("""
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<http://example.org/#S> <http://example.org/#p> "foo"@en .
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""") == Graph.new({EX.S, EX.p(), RDF.literal("foo", language: "en")})
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end
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test "decoding multiple triples" do
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assert RDF.NTriples.Decoder.decode!("""
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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/#p2> <http://example.org/#O2> .
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""") ==
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Graph.new([
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{EX.S1, EX.p1(), EX.O1},
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{EX.S1, EX.p2(), EX.O2}
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])
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assert RDF.NTriples.Decoder.decode!("""
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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/#p2> <http://example.org/#O2> .
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<http://example.org/#S2> <http://example.org/#p3> <http://example.org/#O3> .
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""") ==
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Graph.new([
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{EX.S1, EX.p1(), EX.O1},
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{EX.S1, EX.p2(), EX.O2},
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{EX.S2, EX.p3(), EX.O3}
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])
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end
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end
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