def test_union_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.union(b)
def test_union_ignoring():
a = Definition(('spam', 'eggs'), ('ni', ), [(True, ), (False, )])
b = Definition(('ham', 'spam'), (
'nini',
'ni',
), [(True, True), (False, False)])
assert a.union(b, ignore_conflicts=True) == \
Definition(('spam', 'eggs', 'ham'), ('ni', 'nini'),
[(True, False), (False, False), (True, True)])
def test_union_compatible():
a = Definition(('spam', 'eggs'), ('ni', ), [(True, ), (False, )])
b = Definition(('ham', 'spam'), (
'nini',
'ni',
), [(True, True), (False, True)])
assert a.union(b) == \
Definition(('spam', 'eggs', 'ham'), ('ni', 'nini'),
[(True, False), (False, False), (True, True)])
def test_ignoring(self):
a = Definition(('spam', 'eggs'), ('ni',), [(True,), (False,)])
b = Definition(('ham', 'spam'), ('nini', 'ni',), [(True, True), (False, False)])
self.assertEqual(a.union(b, ignore_conflicts=True),
Definition(('spam', 'eggs', 'ham'), ('ni', 'nini'),
[(True, False), (False, False), (True, True)]))
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.union(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.union(b),
Definition(('spam', 'eggs', 'ham'), ('ni', 'nini'),
[(True, False), (False, False), (True, True)]))