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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.
class TestTake < Test::Unit::TestCase
include Helper::Buildable
include Helper::Omittable
sub_test_case("Array") do
def test_no_null
indices = build_int16_array([1, 0, 2])
assert_equal(build_int16_array([0, 1, 2]),
build_int16_array([1, 0 ,2]).take(indices))
end
def test_null
indices = build_int16_array([2, nil, 0])
assert_equal(build_int16_array([2, nil, 1]),
build_int16_array([1, 0, 2]).take(indices))
end
def test_out_of_index
indices = build_int16_array([1, 2, 3])
assert_raise(Arrow::Error::Index) do
build_int16_array([0, 1, 2]).take(indices)
end
end
def test_chunked_array
taken_chunks = [
build_int16_array([0, 1]),
build_int16_array([2])
]
taken_chunked_array = Arrow::ChunkedArray.new(taken_chunks)
indices_chunks = [
build_int16_array([1, 0]),
build_int16_array([2])
]
indices = Arrow::ChunkedArray.new(indices_chunks)
assert_equal(taken_chunked_array,
build_int16_array([1, 0, 2]).take_chunked_array(indices))
end
end
sub_test_case("Table") do
def setup
fields = [
Arrow::Field.new("field1", Arrow::Int16DataType.new),
Arrow::Field.new("field2", Arrow::Int16DataType.new)
]
@schema = Arrow::Schema.new(fields)
arrays = [
build_int16_array([0, 1, 2]),
build_int16_array([3, 5, 4])
]
@table = Arrow::Table.new(@schema, arrays)
end
def test_no_null
arrays = [
build_int16_array([1, 0, 2]),
build_int16_array([5, 3, 4])
]
taken_table = Arrow::Table.new(@schema, arrays)
indices = build_int16_array([1, 0, 2])
assert_equal(taken_table,
@table.take(indices))
end
def test_null
arrays = [
build_int16_array([2, nil, 0]),
build_int16_array([4, nil, 3])
]
taken_table = Arrow::Table.new(@schema, arrays)
indices = build_int16_array([2, nil, 0])
assert_equal(taken_table,
@table.take(indices))
end
def test_out_of_index
indices = build_int16_array([1, 2, 3])
assert_raise(Arrow::Error::Index) do
@table.take(indices)
end
end
def test_chunked_array
arrays = [
build_int16_array([1, 0, 2]),
build_int16_array([5, 3, 4])
]
taken_table = Arrow::Table.new(@schema, arrays)
chunks = [
build_int16_array([1, 0]),
build_int16_array([2])
]
indices = Arrow::ChunkedArray.new(chunks)
assert_equal(taken_table,
@table.take_chunked_array(indices))
end
end
sub_test_case("ChunkedArray") do
def setup
chunks = [
build_int16_array([1, 0]),
build_int16_array([2]),
]
@chunked_array = Arrow::ChunkedArray.new(chunks)
end
def test_no_null
chunks = [
build_int16_array([0, 1]),
build_int16_array([2])
]
taken_chunked_array = Arrow::ChunkedArray.new(chunks)
indices = build_int16_array([1, 0, 2])
assert_equal(taken_chunked_array,
@chunked_array.take(indices))
end
def test_null
chunks = [
build_int16_array([2, nil]),
build_int16_array([1])
]
taken_chunked_array = Arrow::ChunkedArray.new(chunks)
indices = build_int16_array([2, nil, 0])
assert_equal(taken_chunked_array,
@chunked_array.take(indices))
end
def test_out_of_index
indices = build_int16_array([1, 2, 3])
assert_raise(Arrow::Error::Index) do
@chunked_array.take(indices)
end
end
def test_chunked_array
taken_chunks = [
build_int16_array([0, 1]),
build_int16_array([2])
]
taken_chunked_array = Arrow::ChunkedArray.new(taken_chunks)
indices_chunks = [
build_int16_array([1, 0]),
build_int16_array([2])
]
indices = Arrow::ChunkedArray.new(indices_chunks)
assert_equal(taken_chunked_array,
@chunked_array.take_chunked_array(indices))
end
end
sub_test_case("RecordBatch") do
def setup
fields = [
Arrow::Field.new("field1", Arrow::Int16DataType.new),
Arrow::Field.new("field2", Arrow::Int16DataType.new)
]
@schema = Arrow::Schema.new(fields)
columns = [
build_int16_array([1, 0, 2]),
build_int16_array([3, 5, 4])
]
@record_batch = Arrow::RecordBatch.new(@schema, 3, columns)
end
def test_no_null
columns = [
build_int16_array([0, 1, 2]),
build_int16_array([5, 3, 4])
]
taken_record_batch = Arrow::RecordBatch.new(@schema, 3, columns)
indices = build_int16_array([1, 0, 2])
assert_equal(taken_record_batch,
@record_batch.take(indices))
end
def test_null
columns = [
build_int16_array([2, nil, 1]),
build_int16_array([4, nil, 3])
]
taken_record_batch = Arrow::RecordBatch.new(@schema, 3, columns)
indices = build_int16_array([2, nil, 0])
assert_equal(taken_record_batch,
@record_batch.take(indices))
end
def test_out_of_index
indices = build_int16_array([1, 2, 3])
assert_raise(Arrow::Error::Index) do
@record_batch.take(indices)
end
end
end
end
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