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#!/usr/bin/env python3
##
# 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
#
# https://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 unittest
from pathlib import Path
from typing import Optional, cast
import avro
import avro.datafile
import avro.io
_INTEROP_DATA_DIR = Path(avro.__file__).parent / "test" / "interop" / "data"
@unittest.skipUnless(os.path.exists(_INTEROP_DATA_DIR), f"{_INTEROP_DATA_DIR} does not exist")
class TestDataFileInterop(unittest.TestCase):
def test_interop(self) -> None:
"""Test Interop"""
datum: Optional[object] = None
for filename in _INTEROP_DATA_DIR.iterdir():
self.assertGreater(os.stat(filename).st_size, 0)
base_ext = filename.stem.split("_", 1)
if len(base_ext) > 1 and base_ext[1] not in avro.codecs.KNOWN_CODECS:
print(f"SKIPPING {filename} due to an unsupported codec\n")
continue
i = None
with self.subTest(filename=filename), avro.datafile.DataFileReader(filename.open("rb"), avro.io.DatumReader()) as dfr:
user_metadata = dfr.get_meta("user_metadata")
if user_metadata is not None:
self.assertEqual(user_metadata, b"someByteArray")
for i, datum in enumerate(cast(avro.datafile.DataFileReader, dfr), 1):
self.assertIsNotNone(datum)
self.assertIsNotNone(i)
if __name__ == "__main__":
unittest.main()
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