def test_named_terms_matches_a_token(self):
'''
Ensures that all terms are named, and they are bound to a token that is
in the query.
'''
from itertools import izip
from xotl.ql.core import thesefy
from xotl.ql.translate import cofind_tokens
@thesefy
class Person(object):
pass
@thesefy
class Partnership(object):
pass
query = these((person, partner)
for person, partner in izip(Person, Person)
for rel in Partnership
if (rel.subject == person) & (rel.obj == partner)
if person.age > 35)
tokens = query.tokens
matches_token = lambda term: (term.name and (
term.binding.expression in tokens or matches_token(term.parent)))
with context(UNPROXIFING_CONTEXT):
self.assertTrue(
all(
matches_token(term)
for term in cofind_tokens(*query.filters)))
def test_named_terms_matches_a_token(self):
'''
Ensures that all terms are named, and they are bound to a token that is
in the query.
'''
from itertools import izip
from xotl.ql.core import thesefy
from xotl.ql.translate import cofind_tokens
@thesefy
class Person(object):
pass
@thesefy
class Partnership(object):
pass
query = these((person, partner)
for person, partner in izip(Person, Person)
for rel in Partnership
if (rel.subject == person) & (rel.obj == partner)
if person.age > 35)
tokens = query.tokens
matches_token = lambda term: (term.name and (
term.binding.expression in tokens or
matches_token(term.parent)))
with context(UNPROXIFING_CONTEXT):
self.assertTrue(all(matches_token(term)
for term in cofind_tokens(*query.filters)))
def test_cofind_tokens(self):
from itertools import izip
from xotl.ql.expressions import is_a
from xotl.ql.translate import cofind_tokens
@thesefy
class Person(object):
pass
@thesefy
class Partnership(object):
pass
query = these((person, partner)
for person, partner in izip(Person, Person)
for rel in Partnership
if (rel.subject == person) & (rel.obj == partner))
filters = list(query.filters)
person, partner = query.selection
person_is_a_person = is_a(person, Person)
partner_is_a_person = is_a(partner, Person)
with context(UNPROXIFING_CONTEXT):
self.assertNotEqual(person, partner)
self.assertIn(person_is_a_person, filters)
self.assertIn(partner_is_a_person, filters)
filters.remove(person_is_a_person)
filters.remove(partner_is_a_person)
# left filter are is_a(rel, Partnership) and the explicit we see in
# the query expression
self.assertIs(2, len(filters))
rel_is_a = next(f for f in filters
if f.operation == is_a)
filters.remove(rel_is_a)
# there are 4 named instances in the left filter
# (rel.subject == person) & (rel.obj == partner)
self.assertIs(4, len(list(cofind_tokens(filters[0]))))
def test_cofind_tokens(self):
from itertools import izip
from xotl.ql.expressions import is_a
from xotl.ql.translate import cofind_tokens
@thesefy
class Person(object):
pass
@thesefy
class Partnership(object):
pass
query = these((person, partner)
for person, partner in izip(Person, Person)
for rel in Partnership
if (rel.subject == person) & (rel.obj == partner))
filters = list(query.filters)
person, partner = query.selection
person_is_a_person = is_a(person, Person)
partner_is_a_person = is_a(partner, Person)
with context(UNPROXIFING_CONTEXT):
self.assertNotEqual(person, partner)
self.assertIn(person_is_a_person, filters)
self.assertIn(partner_is_a_person, filters)
filters.remove(person_is_a_person)
filters.remove(partner_is_a_person)
# left filter are is_a(rel, Partnership) and the explicit we see in
# the query expression
self.assertIs(2, len(filters))
rel_is_a = next(f for f in filters if f.operation == is_a)
filters.remove(rel_is_a)
# there are 4 named instances in the left filter
# (rel.subject == person) & (rel.obj == partner)
self.assertIs(4, len(list(cofind_tokens(filters[0]))))