datafusion-python/python/datafusion/tests/test_store.py at main · datapythonista/datafusion-python

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# 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 os

import pytest

from datafusion import SessionContext

from datafusion.object_store import LocalFileSystem

@pytest.fixture

def local():

return LocalFileSystem()

@pytest.fixture

def ctx(local):

ctx = SessionContext()

ctx.register_object_store("file://local", local, None)

return ctx

def test_read_parquet(ctx):

ctx.register_parquet(

"test",

f"file://{os.getcwd()}/parquet/data/alltypes_plain.parquet",

[],

True,

".parquet",

)

df = ctx.sql("SELECT * FROM test")

assert isinstance(df.collect(), list)

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