def test_exists_false(reader: ReaderService):
reader.count = count = MagicMock(return_value={"count": 0, "position": 0})
filter_operator = FilterOperator("field", "=", "data")
request = AggregateRequest("collection", filter_operator)
assert reader.exists(request) == {"exists": False, "position": 0}
count.assert_called_with(request)
def test_count(reader: ReaderService, read_db: SqlReadDatabaseBackendService):
result = MagicMock()
read_db.aggregate = aggregate = MagicMock(return_value=result)
filter_operator = FilterOperator("field", "=", "data")
request = AggregateRequest("collection", filter_operator)
assert reader.count(request) == result
read_db.get_context.assert_called()
aggregate.assert_called_with("collection", filter_operator,
CountFilterQueryFieldsParameters())