def test_inters_conflicting():
a = Definition(('spam', 'eggs'), ('ni', ), [(True, ), (False, )])
b = Definition(('ham', 'spam'), (
'nini',
'ni',
), [(True, True), (False, False)])
with pytest.raises(ValueError, match=r"\[\('spam', 'ni'\)\]"):
a.intersection(b)
def test_inters_compatible():
a = Definition(('spam', 'eggs'), ('ni', ), [(True, ), (False, )])
b = Definition(('ham', 'spam'), (
'nini',
'ni',
), [(True, True), (False, True)])
assert a.intersection(b) == Definition(['spam'], ['ni'], [(True, )])
def test_inters_ignoring():
a = Definition(('spam', 'eggs'), ('ni', ), [(True, ), (False, )])
b = Definition(('ham', 'spam'), (
'nini',
'ni',
), [(True, True), (False, False)])
assert a.intersection(b, ignore_conflicts=True) == \
Definition(['spam'], ['ni'], [(False,)])
def test_ignoring(self):
a = Definition(('spam', 'eggs'), ('ni',), [(True,), (False,)])
b = Definition(('ham', 'spam'), ('nini', 'ni',), [(True, True), (False, False)])
self.assertEqual(a.intersection(b, ignore_conflicts=True),
Definition(['spam'], ['ni'], [(False,)]))
def test_conflicting(self):
a = Definition(('spam', 'eggs'), ('ni',), [(True,), (False,)])
b = Definition(('ham', 'spam'), ('nini', 'ni',), [(True, True), (False, False)])
with self.assertRaisesRegexp(ValueError, "\[\('spam', 'ni'\)\]"):
a.intersection(b)
def test_compatible(self):
a = Definition(('spam', 'eggs'), ('ni',), [(True,), (False,)])
b = Definition(('ham', 'spam'), ('nini', 'ni',), [(True, True), (False, True)])
self.assertEqual(a.intersection(b),
Definition(['spam'], ['ni'], [(True,)]))
