69 lines
2.3 KiB
Elixir
69 lines
2.3 KiB
Elixir
defmodule RDF.NTriples.EncoderTest do
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use ExUnit.Case, async: false
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alias RDF.NTriples
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doctest NTriples.Encoder
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alias RDF.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,
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base_uri: "http://example.org/#",
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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 NTriples.Encoder.encode!(Graph.new) == ""
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end
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test "statements with URIs only" do
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assert NTriples.Encoder.encode!(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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<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 NTriples.Encoder.encode!(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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<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 NTriples.Encoder.encode!(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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<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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end
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