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import datetime
import pytest
import rdflib
from rdflib.plugins.sparql import operators, sparql
def test_date_cast():
now = datetime.datetime.now()
today = now.date()
literal = rdflib.Literal(now)
result = operators.date(literal)
assert isinstance(result, datetime.date)
assert result == today
literal = rdflib.Literal(today)
result = operators.date(literal)
assert isinstance(result, datetime.date)
assert result == today
def test_datetime_cast():
now = datetime.datetime.now()
literal = rdflib.Literal(now)
result = operators.datetime(literal)
assert isinstance(result, datetime.datetime)
assert result == now
def test_datetime_cast_type_error():
literal = rdflib.Literal("2020-01-02")
with pytest.raises(sparql.SPARQLError):
operators.date(literal)
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