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"""Test discovering a prefix map from a list of URIs."""
import unittest
from typing import ClassVar
import rdflib
from curies import Converter, Record
from curies.discovery import discover, discover_from_rdf
from tests.constants import SLOW
class TestDiscovery(unittest.TestCase):
"""Test discovery of URI prefixes."""
converter: ClassVar[Converter]
@classmethod
def setUpClass(cls) -> None:
"""Set up the test case with a dummy converter."""
cls.converter = Converter(
[
Record(prefix="GO", uri_prefix="http://purl.obolibrary.org/obo/GO_"),
Record(prefix="rdfs", uri_prefix=str(rdflib.RDFS._NS)),
]
)
def test_simple(self):
"""Test a simple case of discovering URI prefixes."""
uris = [f"http://ran.dom/{i:03}" for i in range(30)]
uris.append("http://purl.obolibrary.org/obo/GO_0001234")
converter = discover(uris, cutoff=3, converter=self.converter)
self.assertEqual([Record(prefix="ns1", uri_prefix="http://ran.dom/")], converter.records)
self.assertEqual("ns1:001", converter.compress("http://ran.dom/001"))
self.assertIsNone(
converter.compress("http://purl.obolibrary.org/obo/GO_0001234"),
msg="discovered converter should not inherit reference converter's definitions",
)
converter = discover(uris, cutoff=50, converter=self.converter)
self.assertEqual([], converter.records)
self.assertIsNone(
converter.compress("http://ran.dom/001"),
msg="cutoff was high, so discovered converter should not detect `http://ran.dom/`",
)
def test_rdflib(self):
"""Test discovery in RDFlib."""
graph = rdflib.Graph()
for i in range(30):
graph.add(
(
rdflib.URIRef(f"http://ran.dom/{i:03}"),
rdflib.RDFS.subClassOf,
rdflib.URIRef(f"http://ran.dom/{i + 1:03}"),
)
)
graph.add(
(
rdflib.URIRef(f"http://ran.dom/{i:03}"),
rdflib.RDFS.label,
rdflib.Literal(f"Node {i}"),
)
)
converter = discover_from_rdf(graph, converter=self.converter)
self.assertEqual([Record(prefix="ns1", uri_prefix="http://ran.dom/")], converter.records)
self.assertEqual("ns1:001", converter.compress("http://ran.dom/001"))
self.assertIsNone(
converter.compress("http://purl.obolibrary.org/obo/GO_0001234"),
msg="discovered converter should not inherit reference converter's definitions",
)
@SLOW
def test_remote(self):
"""Test parsing AEON."""
converter = discover_from_rdf(
graph="https://raw.githubusercontent.com/tibonto/aeon/main/aeon.owl",
format="xml",
)
self.assertIn("http://purl.obolibrary.org/obo/AEON_", converter.reverse_prefix_map)
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