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# NOTE: The config below enables strict mode for mypy.
# mypy: no_ignore_errors
# mypy: warn_unused_configs, disallow_any_generics
# mypy: disallow_subclassing_any, disallow_untyped_calls
# mypy: disallow_untyped_defs, disallow_incomplete_defs
# mypy: check_untyped_defs, disallow_untyped_decorators
# mypy: no_implicit_optional, warn_redundant_casts, warn_unused_ignores
# mypy: warn_return_any, no_implicit_reexport, strict_equality
import logging
import os
from pathlib import Path
from shutil import copyfile
from tempfile import TemporaryDirectory
from test.data import TEST_DATA_DIR
import pytest
from rdflib import Graph
from rdflib.exceptions import ParserError
from rdflib.util import guess_format
class TestFileParserGuessFormat:
def test_guess_format(self) -> None:
assert guess_format("example.trix") == "trix"
assert guess_format("local-file.jsonld") == "json-ld"
assert guess_format("local-file.json-ld") == "json-ld"
assert guess_format("/some/place/on/disk/example.json") == "json-ld"
assert guess_format("../../relative/place/on/disk/example.json") == "json-ld"
assert guess_format("example.rdf") == "xml"
assert guess_format("example.nt") == "nt"
assert guess_format("example.nq") == "nquads"
assert guess_format("example.nquads") == "nquads"
assert guess_format("example.n3") == "n3"
assert guess_format("example.docx", None) is None
assert guess_format("example", None) is None
assert guess_format("example.mkv", None) is None
def test_jsonld(self) -> None:
g = Graph()
assert isinstance(g.parse("test/jsonld/1.1/manifest.jsonld"), Graph)
assert isinstance(g.parse("test/jsonld/file_ending_test_01.json"), Graph)
assert isinstance(g.parse("test/jsonld/file_ending_test_01.json-ld"), Graph)
assert isinstance(g.parse("test/jsonld/file_ending_test_01.jsonld"), Graph)
def test_ttl(self) -> None:
g = Graph()
assert isinstance(
g.parse(
os.path.join(
TEST_DATA_DIR, "suites", "w3c", "turtle", "IRI_subject.ttl"
)
),
Graph,
)
def test_n3(self) -> None:
g = Graph()
assert isinstance(
g.parse(os.path.join(TEST_DATA_DIR, "example-lots_of_graphs.n3")), Graph
)
def test_warning(self) -> None:
g = Graph()
graph_logger = logging.getLogger("rdflib")
with TemporaryDirectory() as tmpdirname:
newpath = Path(tmpdirname).joinpath("no_file_ext")
copyfile(
os.path.join(
TEST_DATA_DIR,
"suites",
"w3c",
"rdf-xml",
"datatypes",
"test001.rdf",
),
str(newpath),
)
with pytest.raises(ParserError, match=r"Could not guess RDF format"):
with pytest.warns(
UserWarning,
match="does not look like a valid URI, trying to serialize this will break.",
) as logwarning:
g.parse(str(newpath))
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