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Copy pathtest_misc.py
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64 lines (56 loc) · 1.82 KB
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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
import pyarrow as pa
def test_get_include():
include_dir = pa.get_include()
assert os.path.exists(os.path.join(include_dir, 'arrow', 'api.h'))
def test_cpu_count():
n = pa.cpu_count()
assert n > 0
try:
pa.set_cpu_count(n + 5)
assert pa.cpu_count() == n + 5
finally:
pa.set_cpu_count(n)
@pytest.mark.parametrize('klass', [
pa.Field,
pa.Schema,
pa.Column,
pa.ChunkedArray,
pa.RecordBatch,
pa.Table,
pa.Buffer,
pa.Array,
pa.Tensor,
pa.lib.DataType,
pa.lib.ListType,
pa.lib.UnionType,
pa.lib.StructType,
pa.lib.Time32Type,
pa.lib.Time64Type,
pa.lib.TimestampType,
pa.lib.Decimal128Type,
pa.lib.DictionaryType,
pa.lib.FixedSizeBinaryType
])
def test_extension_type_constructor_errors(klass):
# ARROW-2638: prevent calling extension class constructors directly
msg = "Do not call {cls}'s constructor directly, use .* instead."
with pytest.raises(TypeError, match=msg.format(cls=klass.__name__)):
klass()