def test_special_case_op(self):
query = q.Query(self.toc)
query.clear()
query.pushDict({'foo': [q.In([27, 42]), q.Empty()]})
mongo = query.mongo()
# xxx Empty overrides In
assert mongo == {'_bases': {'$in': [self.toc._fullname]},
'foo': {'$in': [None, [], {}]}}
def test_OperatorTypeEnforcement():
"Test that attributes verify operator types"
class myToc(TO):
class myAttr(Bool()):
pass
y = q.Query(myToc, myAttr=q.Empty())
def spam():
y = q.Query(myToc, myAttr=q.Greater(23))
py.test.raises(TypeError, spam)
def test_Empty(self):
from blm import fundamental, testblm
toi = blm.testblm.Test()
self.commit()
assert blm.testblm.Test._query(attr1=q.Empty()).run()
assert blm.testblm.Test._query(attr3=q.Empty()).run()
assert blm.testblm.Test._query(attr4=q.Empty()).run()
assert blm.testblm.Test._query(attr5=q.Empty()).run()
toi, = blm.testblm.Test._query().run()
toi(attr1=['foo'], attr3={'foo': 'bar'}, attr4=[toi], attr5={'foo': toi})
self.commit()
assert not blm.testblm.Test._query(attr1=q.Empty()).run()
assert not blm.testblm.Test._query(attr3=q.Empty()).run()
assert not blm.testblm.Test._query(attr4=q.Empty()).run()
assert not blm.testblm.Test._query(attr5=q.Empty()).run()
toi, = blm.testblm.Test._query().run()
toi(attr1=[], attr3={}, attr4=[], attr5={})
self.commit()
assert blm.testblm.Test._query(attr1=q.Empty()).run()
assert blm.testblm.Test._query(attr3=q.Empty()).run()
assert blm.testblm.Test._query(attr4=q.Empty()).run()
assert blm.testblm.Test._query(attr5=q.Empty()).run()
def test_Empty(self):
op = q.Empty()
mongo = op.mongo()
assert mongo == {'$empty': True}
def test_Empty():
"Test Empty operator"
assert q.Empty().matches([])
assert not q.Empty().matches([1, 2])