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test_query.py
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test_query.py
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from nose.tools import *
from mongoalchemy.session import Session
from mongoalchemy.document import Document, Index, DocumentField, FieldNotRetrieved
from mongoalchemy.fields import *
from mongoalchemy.query import BadQueryException, Query, BadResultException
from test.util import known_failure
class T(Document):
i = IntField()
j = IntField(required=False)
l = ListField(IntField(), required=False)
a = IntField(required=False, db_field='aa')
index = Index().ascending('i')
class T2(Document):
t = DocumentField(T)
def get_session():
return Session.connect('unit-testing')
def test_update():
s = get_session()
s.clear_collection(T)
obj = T(i=3)
s.insert(obj)
for o in s.query(T):
assert o.i == 3
s.query(T).filter(T.i==3).set(T.i, 4).execute()
for o in s.query(T):
assert o.i == 4
def test_field_filter():
s = get_session()
s.clear_collection(T, T2)
# Simple Object
obj = T(i=3)
s.insert(obj)
for t in s.query(T).fields(T.i):
break
assert t.i == 3
# Nested Object
obj2 = T2(t=obj)
s.insert(obj2)
for t2 in s.query(T2).fields(T2.t.i):
break
assert t2.t.i == 3
def test_limit():
s = get_session()
s.clear_collection(T)
s.insert(T(i=3))
s.insert(T(i=4))
s.insert(T(i=5))
for count, item in enumerate(s.query(T).limit(2)):
pass
assert count == 1
def test_skip():
s = get_session()
s.clear_collection(T)
s.insert(T(i=3))
s.insert(T(i=4))
s.insert(T(i=5))
for count, item in enumerate(s.query(T).skip(2)):
pass
assert count == 0
def test_hint():
s = get_session()
s.clear_collection(T)
s.insert(T(i=3))
s.insert(T(i=4))
for item in s.query(T).hint_asc(T.i):
pass
@raises(BadQueryException)
def test_hint_validation():
s = get_session()
s.query(T).hint_asc(T.i).hint_desc(T.i)
@raises(BadResultException) # too many values to unpack
def test_one_fail():
s = get_session()
s.clear_collection(T)
s.insert(T(i=3))
s.insert(T(i=4))
s.query(T).one()
@raises(BadResultException) # too few values to unpack
def test_one_fail_too_few():
s = get_session()
s.clear_collection(T)
s.query(T).one()
def test_one():
s = get_session()
s.clear_collection(T)
s.insert(T(i=3))
assert s.query(T).one().i == 3
def test_first():
s = get_session()
s.clear_collection(T)
s.insert(T(i=3))
s.insert(T(i=4))
assert s.query(T).descending(T.i).first().i == 4
assert s.query(T).ascending(T.i).first().i == 3
def test_first_empty():
s = get_session()
s.clear_collection(T)
s.insert(T(i=3))
s.insert(T(i=4))
assert s.query(T).filter(T.i > 5).first() == None
def test_all():
s = get_session()
s.clear_collection(T)
s.insert(T(i=3))
s.insert(T(i=4))
for count, item in enumerate(s.query(T).all()):
pass
assert count == 1
def test_distinct():
s = get_session()
s.clear_collection(T)
s.insert(T(i=3, j=4))
s.insert(T(i=3, j=5))
s.insert(T(i=3, j=6))
for count, item in enumerate(s.query(T).distinct(T.i)):
pass
assert count == 0, count
def test_count():
s = get_session()
s.clear_collection(T)
assert s.query(T).count() == 0
s.insert(T(i=3, j=4))
s.insert(T(i=3, j=5))
s.insert(T(i=3, j=6))
assert s.query(T).count() == 3
def test_explain():
s = get_session()
s.clear_collection(T)
s.insert(T(i=3))
s.insert(T(i=4))
assert 'allPlans' in s.query(T).filter(T.i > 5).explain()
def test_clone():
s = get_session()
s.clear_collection(T)
s.insert(T(i=3))
s.insert(T(i=4))
q = s.query(T)
q2 = q.clone()
q.skip(2)
for count, item in enumerate(q2):
pass
assert count == 1
def test_raw_query():
s = get_session()
s.clear_collection(T)
s.insert(T(i=3))
assert s.query(T).filter({'i':3}).one().i == 3
@raises(FieldNotRetrieved)
def test_field_filter_non_retrieved_field():
s = get_session()
s.clear_collection(T)
obj = T(i=3, j=2)
s.insert(obj)
for t in s.query(T).fields(T.i):
break
assert t.j == 2
@raises(FieldNotRetrieved)
def test_field_filter_non_retrieved_subdocument_field():
s = get_session()
s.clear_collection(T, T2)
obj = T(i=3, j=2)
obj2 = T2(t=obj)
s.insert(obj2)
for t2 in s.query(T2).fields(T2.t.i):
break
assert t2.t.j == 2
@raises(Exception)
def repeated_field_query_test():
s = get_session()
s.clear_collection(T)
s.query(T).filter(T.i==3).filter(T.i==3)
@raises(Exception)
def repeated_field_query_test2():
s = get_session()
s.clear_collection(T)
s.query(T).filter(T.i==3, T.i==3)
def nested_field_query_test():
s = get_session()
s.clear_collection(T, T2)
assert s.query(T2).filter(T2.t.i==3, T2.t.j==2).query == {'t.i':3, 't.j':2}
@known_failure
@raises(Exception)
def repeated_field_update_test():
s = get_session()
s.clear_collection(T)
s.query(T).filter(T.i==3).set(T.i, 4).set(T.i, 5)
def test_comparators():
# once filters have more sanity checking, this test will need to be broken up
s = get_session()
query_obj = s.query(T).filter(T.i < 2,
T.i > 3,
T.i != 4,
T.i <= 5,
T.i >= 6).query
assert query_obj == {'i': {'$ne': 4, '$gte': 6, '$lte': 5, '$gt': 3, '$lt': 2}}
s.query(T).filter(T.i == 1).query == { 'i' : 1}
@raises(BadQueryException)
def invalid_combination_test():
s = get_session()
s.query(T).filter(T.i < 2, T.i == 4)
def test_sort():
from pymongo import ASCENDING, DESCENDING
s = get_session()
sorted_query = s.query(T).ascending(T.i).descending(T.j)
assert sorted_query.sort == [('i', ASCENDING),('j', DESCENDING)], sorted_query.sort
for obj in sorted_query:
pass
@raises(BadQueryException)
def test_sort_by_same_key():
s = get_session()
sorted_query = s.query(T).ascending(T.i).descending(T.i)
#
# QueryResult tests
#
def qr_test_misc():
s = get_session()
cursor = iter(s.query(T))
assert cursor.__iter__() == cursor
def qr_test_getitem():
s = get_session()
s.clear_collection(T)
s.insert(T(i=3))
s.insert(T(i=4))
assert s.query(T).descending(T.i)[0].i == 4
def qr_test_rewind():
s = get_session()
s.clear_collection(T)
s.insert(T(i=3))
s.insert(T(i=4))
it = iter(s.query(T))
it.next()
it.next()
it.rewind()
it.next()
it.next()
try:
it.next()
except StopIteration:
pass
def qr_test_clone():
s = get_session()
s.clear_collection(T)
s.insert(T(i=3))
s.insert(T(i=4))
it = iter(s.query(T))
it.next()
it.next()
it2 = it.clone()
it2.next()
it2.next()
try:
it2.next()
except StopIteration:
pass
def test_resolve_fields():
class Resolver(Document):
i = IntField(db_field='j')
k = IntField()
s = get_session()
s.clear_collection(Resolver)
q = s.query(Resolver).filter(Resolver.i.in_(6))