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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 TestStructArray < Test::Unit::TestCase
include Helper::Buildable
def test_new
fields = [
Arrow::Field.new("score", Arrow::Int8DataType.new),
Arrow::Field.new("enabled", Arrow::BooleanDataType.new),
]
structs = [
{
"score" => -29,
"enabled" => true,
},
{
"score" => 2,
"enabled" => false,
},
nil,
]
struct_array1 = build_struct_array(fields, structs)
data_type = Arrow::StructDataType.new(fields)
nulls = Arrow::Buffer.new([0b11].pack("C*"))
children = [
Arrow::Int8Array.new(2, Arrow::Buffer.new([-29, 2].pack("C*")), nulls, 0),
Arrow::BooleanArray.new(2, Arrow::Buffer.new([0b01].pack("C*")), nulls, 0),
]
assert_equal(struct_array1,
Arrow::StructArray.new(data_type,
3,
children,
Arrow::Buffer.new([0b011].pack("C*")),
-1))
end
def test_flatten
fields = [
Arrow::Field.new("score", Arrow::Int8DataType.new),
Arrow::Field.new("enabled", Arrow::BooleanDataType.new),
]
data_type = Arrow::StructDataType.new(fields)
builder = Arrow::StructArrayBuilder.new(data_type)
builder.append_value
builder.get_field_builder(0).append_value(-29)
builder.get_field_builder(1).append_value(true)
builder.append_value
builder.field_builders[0].append_value(2)
builder.field_builders[1].append_value(false)
array = builder.finish
values = array.length.times.collect do |i|
if i.zero?
[
array.get_field(0).get_value(i),
array.get_field(1).get_value(i),
]
else
array.flatten.collect do |field|
field.get_value(i)
end
end
end
assert_equal([
[-29, true],
[2, false],
],
values)
end
end
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