"""Return the top 10 asteroids farthest from the Sun"""
from mpc_client.query import Query
q = Query()
q.limit(10)
q.filter(aphelion_distance='is_not_null')
q.order('aphelion_distance', desc=True)
for asteroid in q:
print asteroid.designation, asteroid.orbit.aphelion_distance
def test_filter_parameters(self):
"""Adding a filter should append a string to parameters"""
q = Query()
q.filter(hello="World")
self.assertEqual(q._parameters['hello'], "World")