python/datafusion/tests/test_store.py

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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)