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import os
from test.data import TEST_DATA_DIR, cheese, likes, michel, pizza, tarek
from rdflib import ConjunctiveGraph, Graph
sportquadstrig = open(os.path.join(TEST_DATA_DIR, "sportquads.trig")).read()
def test_operators_with_conjunctivegraph_and_graph():
cg = ConjunctiveGraph()
cg.add((tarek, likes, pizza))
cg.add((tarek, likes, michel))
g = Graph()
g.add([tarek, likes, pizza])
g.add([tarek, likes, cheese])
assert len(cg + g) == 3 # adds cheese as liking
assert len(cg - g) == 1 # removes pizza
assert len(cg * g) == 1 # only pizza
assert len(cg ^ g) == 2 # removes pizza, adds cheese
def test_reversed_operators_with_conjunctivegraph_and_graph():
cg = ConjunctiveGraph()
cg.add((tarek, likes, pizza))
cg.add((tarek, likes, michel))
g = Graph()
g.add([tarek, likes, pizza])
g.add([tarek, likes, cheese])
assert len(g + cg) == 3 # adds cheese as liking
assert len(g - cg) == 1 # removes pizza
assert len(g * cg) == 1 # only pizza
assert len(g ^ cg) == 2 # removes pizza, adds cheese
def test_reversed_operators_with_conjunctivegraph_with_contexts_and_graph():
cg = ConjunctiveGraph()
cg.add((tarek, likes, pizza))
cg.add((tarek, likes, michel))
cg.parse(data=sportquadstrig, format="trig")
g = Graph()
g.add([tarek, likes, pizza])
g.add([tarek, likes, cheese])
assert len(g + cg) == 10 # adds cheese as liking plus sevenquads
assert len(list((g + cg).triples((None, None, None)))) == 10
assert len(g - cg) == 1 # removes pizza
assert len(g * cg) == 1 # only pizza
assert len(g ^ cg) == 9 # removes pizza, adds cheese and sevenquads
def test_operators_with_two_conjunctivegraphs():
cg1 = ConjunctiveGraph()
cg1.add([tarek, likes, pizza])
cg1.add([tarek, likes, michel])
cg2 = ConjunctiveGraph()
cg2.add([tarek, likes, pizza])
cg2.add([tarek, likes, cheese])
assert len(cg1 + cg2) == 3 # adds cheese as liking
assert len(cg1 - cg2) == 1 # removes pizza from cg1
assert len(cg1 * cg2) == 1 # only pizza
assert len(cg1 + cg2) == 3 # adds cheese as liking
assert len(cg1 ^ cg2) == 2 # removes pizza, adds cheese
def test_operators_with_two_conjunctivegraphs_one_with_contexts():
cg1 = ConjunctiveGraph()
cg1.add([tarek, likes, pizza])
cg1.add([tarek, likes, michel])
cg2 = ConjunctiveGraph()
cg2.add([tarek, likes, pizza])
cg2.add([tarek, likes, cheese])
cg2.parse(data=sportquadstrig, format="trig")
assert len(cg1 + cg2) == 10 # adds cheese as liking and all seven quads
assert len(cg1 - cg2) == 1 # removes pizza
assert len(cg1 * cg2) == 1 # only pizza
assert len(cg1 ^ cg2) == 9 # removes pizza
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