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Copy pathtest_column.py
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49 lines (41 loc) · 1.56 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.
from pyarrow.compat import unittest
import pyarrow as arrow
A = arrow
import pandas as pd
class TestColumn(unittest.TestCase):
def test_basics(self):
data = [
A.from_pylist([-10, -5, 0, 5, 10])
]
table = A.Table.from_arrays(('a'), data, 'table_name')
column = table.column(0)
assert column.name == 'a'
assert column.length() == 5
assert len(column) == 5
assert column.shape == (5,)
def test_pandas(self):
data = [
A.from_pylist([-10, -5, 0, 5, 10])
]
table = A.Table.from_arrays(('a'), data, 'table_name')
column = table.column(0)
series = column.to_pandas()
assert series.name == 'a'
assert series.shape == (5,)
assert series.iloc[0] == -10