def test_by_one():
assert compute_up(by(t.name, total=t.amount.sum()), q).query == \
({'$group': {'_id': {'name': '$name'},
'total': {'$sum': '$amount'}}},
{'$project': {'total': '$total', 'name': '$_id.name'}})
def test_projection_one():
assert compute_up(t[['name']], q).query == ({'$project': {'name': 1}}, )
def test_head_one():
assert compute_up(t.head(5), q).query == ({'$limit': 5}, )
def test_by_one():
assert compute_up(by(t.name, t.amount.sum()), q).query == \
({'$group': {'_id': {'name': '$name'},
'amount_sum': {'$sum': '$amount'}}},
{'$project': {'amount_sum': '$amount_sum', 'name': '$_id.name'}})
def test_head_one():
assert compute_up(t.head(5), q).query == ({'$limit': 5},)
def test_projection_one():
assert compute_up(t[['name']], q).query == ({'$project': {'name': 1}},)
def test_tablesymbol_one(t, bank):
assert compute_up(t, bank) == MongoQuery(bank, ())
def test_symbol_one(bank):
assert compute_up(t, bank) == MongoQuery(bank, ())
