# Licensed to the Apache Software Foundation (ASF) under one # or more contributor license agreements. See the NOTICE file # distributed with this work for additional information # regarding copyright ownership. The ASF licenses this file # to you under the Apache License, Version 2.0 (the # "License"); you may not use this file except in compliance # with the License. You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, # software distributed under the License is distributed on an # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY # KIND, either express or implied. See the License for the # specific language governing permissions and limitations # under the License. import pyarrow as pa import pytest from datafusion import DataFrame, SessionContext from pyarrow.csv import write_csv @pytest.fixture def ctx(): return SessionContext() @pytest.fixture def database(ctx, tmp_path): path = tmp_path / "test.csv" table = pa.Table.from_arrays( [ [1, 2, 3, 4], ["a", "b", "c", "d"], [1.1, 2.2, 3.3, 4.4], ], names=["int", "str", "float"], ) write_csv(table, path) ctx.register_csv("csv", path) ctx.register_csv("csv1", str(path)) ctx.register_csv( "csv2", path, has_header=True, delimiter=",", schema_infer_max_records=10, ) @pytest.fixture def fail_collect(monkeypatch): def _fail_collect(self, *args, **kwargs): # pragma: no cover - failure path msg = "collect should not be called" raise AssertionError(msg) monkeypatch.setattr(DataFrame, "collect", _fail_collect)