Fork of https://github.com/oxigraph/oxigraph.git for the purpose of NextGraph project
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114 lines
3.6 KiB
114 lines
3.6 KiB
import unittest
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from io import BytesIO, StringIO, UnsupportedOperation
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from tempfile import NamedTemporaryFile, TemporaryFile
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from pyoxigraph import Literal, NamedNode, Quad, Triple, parse, serialize
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EXAMPLE_TRIPLE = Triple(
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NamedNode("http://example.com/foo"),
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NamedNode("http://example.com/p"),
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Literal("éù"),
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)
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EXAMPLE_QUAD = Quad(
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NamedNode("http://example.com/foo"),
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NamedNode("http://example.com/p"),
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Literal("1"),
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NamedNode("http://example.com/g"),
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)
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class TestParse(unittest.TestCase):
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def test_parse_file(self) -> None:
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with NamedTemporaryFile() as fp:
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fp.write('<foo> <p> "éù" .'.encode())
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fp.flush()
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self.assertEqual(
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list(parse(fp.name, "text/turtle", base_iri="http://example.com/")),
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[EXAMPLE_TRIPLE],
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)
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def test_parse_not_existing_file(self) -> None:
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with self.assertRaises(IOError) as _:
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parse("/tmp/not-existing-oxigraph-file.ttl", "text/turtle")
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def test_parse_str_io(self) -> None:
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self.assertEqual(
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list(
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parse(
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StringIO('<foo> <p> "éù" .'),
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"text/turtle",
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base_iri="http://example.com/",
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)
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),
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[EXAMPLE_TRIPLE],
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)
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def test_parse_long_str_io(self) -> None:
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self.assertEqual(
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list(
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parse(
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StringIO('<foo> <p> "éù" .\n' * 1024),
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"text/turtle",
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base_iri="http://example.com/",
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)
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),
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[EXAMPLE_TRIPLE] * 1024,
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)
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def test_parse_bytes_io(self) -> None:
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self.assertEqual(
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list(
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parse(
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BytesIO('<foo> <p> "éù" .'.encode()),
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"text/turtle",
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base_iri="http://example.com/",
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)
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),
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[EXAMPLE_TRIPLE],
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)
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def test_parse_io_error(self) -> None:
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with self.assertRaises(UnsupportedOperation) as _, TemporaryFile("wb") as fp:
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list(parse(fp, mime_type="application/n-triples"))
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def test_parse_quad(self) -> None:
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self.assertEqual(
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list(
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parse(
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StringIO('<g> { <foo> <p> "1" }'),
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"application/trig",
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base_iri="http://example.com/",
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)
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),
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[EXAMPLE_QUAD],
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)
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class TestSerialize(unittest.TestCase):
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def test_serialize_to_bytes_io(self) -> None:
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output = BytesIO()
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serialize([EXAMPLE_TRIPLE], output, "text/turtle")
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self.assertEqual(
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output.getvalue().decode(),
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'<http://example.com/foo> <http://example.com/p> "éù" .\n',
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)
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def test_serialize_to_file(self) -> None:
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with NamedTemporaryFile() as fp:
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serialize([EXAMPLE_TRIPLE], fp.name, "text/turtle")
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self.assertEqual(
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fp.read().decode(),
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'<http://example.com/foo> <http://example.com/p> "éù" .\n',
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)
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def test_serialize_io_error(self) -> None:
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with self.assertRaises(UnsupportedOperation) as _, TemporaryFile("rb") as fp:
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serialize([EXAMPLE_TRIPLE], fp, "text/turtle")
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def test_serialize_quad(self) -> None:
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output = BytesIO()
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serialize([EXAMPLE_QUAD], output, "application/trig")
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self.assertEqual(
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output.getvalue(),
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b'<http://example.com/g> { <http://example.com/foo> <http://example.com/p> "1" }\n',
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)
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