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oxigraph/python/tests/test_model.py

311 lines
11 KiB

import copy
import pickle
import unittest
from pyoxigraph import (
BlankNode,
DefaultGraph,
Literal,
NamedNode,
Quad,
Triple,
Variable,
)
XSD_STRING = NamedNode("http://www.w3.org/2001/XMLSchema#string")
XSD_INTEGER = NamedNode("http://www.w3.org/2001/XMLSchema#integer")
RDF_LANG_STRING = NamedNode("http://www.w3.org/1999/02/22-rdf-syntax-ns#langString")
class TestNamedNode(unittest.TestCase):
def test_constructor(self) -> None:
self.assertEqual(NamedNode("http://foo").value, "http://foo")
def test_string(self) -> None:
self.assertEqual(str(NamedNode("http://foo")), "<http://foo>")
def test_equal(self) -> None:
self.assertEqual(NamedNode("http://foo"), NamedNode("http://foo"))
self.assertNotEqual(NamedNode("http://foo"), NamedNode("http://bar"))
def test_pickle(self) -> None:
node = NamedNode("http://foo")
self.assertEqual(pickle.loads(pickle.dumps(node)), node)
self.assertEqual(copy.copy(node), node)
self.assertEqual(copy.deepcopy(node), node)
class TestBlankNode(unittest.TestCase):
def test_constructor(self) -> None:
self.assertEqual(BlankNode("foo").value, "foo")
self.assertNotEqual(BlankNode(), BlankNode())
def test_string(self) -> None:
self.assertEqual(str(BlankNode("foo")), "_:foo")
def test_equal(self) -> None:
self.assertEqual(BlankNode("foo"), BlankNode("foo"))
self.assertNotEqual(BlankNode("foo"), BlankNode("bar"))
self.assertNotEqual(BlankNode("foo"), NamedNode("http://foo"))
self.assertNotEqual(NamedNode("http://foo"), BlankNode("foo"))
def test_pickle(self) -> None:
node = BlankNode("foo")
self.assertEqual(pickle.loads(pickle.dumps(node)), node)
self.assertEqual(copy.copy(node), node)
self.assertEqual(copy.deepcopy(node), node)
auto = BlankNode()
self.assertEqual(pickle.loads(pickle.dumps(auto)), auto)
self.assertEqual(copy.copy(auto), auto)
self.assertEqual(copy.deepcopy(auto), auto)
class TestLiteral(unittest.TestCase):
def test_constructor(self) -> None:
self.assertEqual(Literal("foo").value, "foo")
self.assertEqual(Literal("foo").datatype, XSD_STRING)
self.assertEqual(Literal("foo", language="en").value, "foo")
self.assertEqual(Literal("foo", language="en").language, "en")
self.assertEqual(Literal("foo", language="en").datatype, RDF_LANG_STRING)
self.assertEqual(Literal("foo", datatype=XSD_INTEGER).value, "foo")
self.assertEqual(Literal("foo", datatype=XSD_INTEGER).datatype, XSD_INTEGER)
def test_string(self) -> None:
self.assertEqual(str(Literal("foo")), '"foo"')
self.assertEqual(str(Literal("foo", language="en")), '"foo"@en')
self.assertEqual(
str(Literal("foo", datatype=XSD_INTEGER)),
'"foo"^^<http://www.w3.org/2001/XMLSchema#integer>',
)
def test_equals(self) -> None:
self.assertEqual(Literal("foo", datatype=XSD_STRING), Literal("foo"))
self.assertEqual(
Literal("foo", language="en", datatype=RDF_LANG_STRING),
Literal("foo", language="en"),
)
self.assertNotEqual(NamedNode("http://foo"), Literal("foo"))
self.assertNotEqual(Literal("foo"), NamedNode("http://foo"))
self.assertNotEqual(BlankNode("foo"), Literal("foo"))
self.assertNotEqual(Literal("foo"), BlankNode("foo"))
def test_pickle(self) -> None:
simple = Literal("foo")
self.assertEqual(pickle.loads(pickle.dumps(simple)), simple)
self.assertEqual(copy.copy(simple), simple)
self.assertEqual(copy.deepcopy(simple), simple)
lang_tagged = Literal("foo", language="en")
self.assertEqual(pickle.loads(pickle.dumps(lang_tagged)), lang_tagged)
self.assertEqual(copy.copy(lang_tagged), lang_tagged)
self.assertEqual(copy.deepcopy(lang_tagged), lang_tagged)
number = Literal("1", datatype=XSD_INTEGER)
self.assertEqual(pickle.loads(pickle.dumps(number)), number)
self.assertEqual(copy.copy(number), number)
self.assertEqual(copy.deepcopy(number), number)
class TestTriple(unittest.TestCase):
def test_constructor(self) -> None:
t = Triple(
NamedNode("http://example.com/s"),
NamedNode("http://example.com/p"),
NamedNode("http://example.com/o"),
)
self.assertEqual(t.subject, NamedNode("http://example.com/s"))
self.assertEqual(t.predicate, NamedNode("http://example.com/p"))
self.assertEqual(t.object, NamedNode("http://example.com/o"))
def test_rdf_star_constructor(self) -> None:
t = Triple(
Triple(
NamedNode("http://example.com/ss"),
NamedNode("http://example.com/sp"),
NamedNode("http://example.com/so"),
),
NamedNode("http://example.com/p"),
Triple(
NamedNode("http://example.com/os"),
NamedNode("http://example.com/op"),
NamedNode("http://example.com/oo"),
),
)
self.assertEqual(
t.subject,
Triple(
NamedNode("http://example.com/ss"),
NamedNode("http://example.com/sp"),
NamedNode("http://example.com/so"),
),
)
self.assertEqual(t.predicate, NamedNode("http://example.com/p"))
self.assertEqual(
t.object,
Triple(
NamedNode("http://example.com/os"),
NamedNode("http://example.com/op"),
NamedNode("http://example.com/oo"),
),
)
def test_mapping(self) -> None:
t = Triple(
NamedNode("http://example.com/s"),
NamedNode("http://example.com/p"),
NamedNode("http://example.com/o"),
)
self.assertEqual(t[0], NamedNode("http://example.com/s"))
self.assertEqual(t[1], NamedNode("http://example.com/p"))
self.assertEqual(t[2], NamedNode("http://example.com/o"))
def test_destruct(self) -> None:
(s, p, o) = Triple(
NamedNode("http://example.com/s"),
NamedNode("http://example.com/p"),
NamedNode("http://example.com/o"),
)
self.assertEqual(s, NamedNode("http://example.com/s"))
self.assertEqual(p, NamedNode("http://example.com/p"))
self.assertEqual(o, NamedNode("http://example.com/o"))
def test_string(self) -> None:
self.assertEqual(
str(
Triple(
NamedNode("http://example.com/s"),
NamedNode("http://example.com/p"),
NamedNode("http://example.com/o"),
)
),
"<http://example.com/s> <http://example.com/p> <http://example.com/o>",
)
def test_pickle(self) -> None:
triple = Triple(
NamedNode("http://example.com/s"),
NamedNode("http://example.com/p"),
NamedNode("http://example.com/o"),
)
self.assertEqual(pickle.loads(pickle.dumps(triple)), triple)
self.assertEqual(copy.copy(triple), triple)
self.assertEqual(copy.deepcopy(triple), triple)
class TestDefaultGraph(unittest.TestCase):
def test_equal(self) -> None:
self.assertEqual(DefaultGraph(), DefaultGraph())
self.assertNotEqual(DefaultGraph(), NamedNode("http://bar"))
def test_pickle(self) -> None:
self.assertEqual(pickle.loads(pickle.dumps(DefaultGraph())), DefaultGraph())
self.assertEqual(copy.copy(DefaultGraph()), DefaultGraph())
self.assertEqual(copy.deepcopy(DefaultGraph()), DefaultGraph())
class TestQuad(unittest.TestCase):
def test_constructor(self) -> None:
t = Quad(
NamedNode("http://example.com/s"),
NamedNode("http://example.com/p"),
NamedNode("http://example.com/o"),
NamedNode("http://example.com/g"),
)
self.assertEqual(t.subject, NamedNode("http://example.com/s"))
self.assertEqual(t.predicate, NamedNode("http://example.com/p"))
self.assertEqual(t.object, NamedNode("http://example.com/o"))
self.assertEqual(t.graph_name, NamedNode("http://example.com/g"))
self.assertEqual(
t.triple,
Triple(
NamedNode("http://example.com/s"),
NamedNode("http://example.com/p"),
NamedNode("http://example.com/o"),
),
)
self.assertEqual(
Quad(
NamedNode("http://example.com/s"),
NamedNode("http://example.com/p"),
NamedNode("http://example.com/o"),
),
Quad(
NamedNode("http://example.com/s"),
NamedNode("http://example.com/p"),
NamedNode("http://example.com/o"),
DefaultGraph(),
),
)
def test_mapping(self) -> None:
t = Quad(
NamedNode("http://example.com/s"),
NamedNode("http://example.com/p"),
NamedNode("http://example.com/o"),
NamedNode("http://example.com/g"),
)
self.assertEqual(t[0], NamedNode("http://example.com/s"))
self.assertEqual(t[1], NamedNode("http://example.com/p"))
self.assertEqual(t[2], NamedNode("http://example.com/o"))
self.assertEqual(t[3], NamedNode("http://example.com/g"))
def test_destruct(self) -> None:
(s, p, o, g) = Quad(
NamedNode("http://example.com/s"),
NamedNode("http://example.com/p"),
NamedNode("http://example.com/o"),
NamedNode("http://example.com/g"),
)
self.assertEqual(s, NamedNode("http://example.com/s"))
self.assertEqual(p, NamedNode("http://example.com/p"))
self.assertEqual(o, NamedNode("http://example.com/o"))
self.assertEqual(g, NamedNode("http://example.com/g"))
def test_string(self) -> None:
self.assertEqual(
str(
Triple(
NamedNode("http://example.com/s"),
NamedNode("http://example.com/p"),
NamedNode("http://example.com/o"),
)
),
"<http://example.com/s> <http://example.com/p> <http://example.com/o>",
)
def test_pickle(self) -> None:
quad = Quad(
NamedNode("http://example.com/s"),
NamedNode("http://example.com/p"),
NamedNode("http://example.com/o"),
NamedNode("http://example.com/g"),
)
self.assertEqual(pickle.loads(pickle.dumps(quad)), quad)
self.assertEqual(copy.copy(quad), quad)
self.assertEqual(copy.deepcopy(quad), quad)
class TestVariable(unittest.TestCase):
def test_constructor(self) -> None:
self.assertEqual(Variable("foo").value, "foo")
def test_string(self) -> None:
self.assertEqual(str(Variable("foo")), "?foo")
def test_equal(self) -> None:
self.assertEqual(Variable("foo"), Variable("foo"))
self.assertNotEqual(Variable("foo"), Variable("bar"))
def test_pickle(self) -> None:
v = Variable("foo")
self.assertEqual(pickle.loads(pickle.dumps(v)), v)
self.assertEqual(copy.copy(v), v)
self.assertEqual(copy.deepcopy(v), v)
if __name__ == "__main__":
unittest.main()