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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 RecordBatchBuilderTest < Test::Unit::TestCase
sub_test_case(".new") do
test("Schema") do
schema = Arrow::Schema.new(visible: :boolean,
count: :uint32)
builder = Arrow::RecordBatchBuilder.new(schema)
assert_equal(schema,
builder.schema)
end
test("Hash") do
builder = Arrow::RecordBatchBuilder.new(visible: :boolean,
count: :uint32)
assert_equal(Arrow::Schema.new(visible: :boolean,
count: :uint32),
builder.schema)
end
end
sub_test_case("instance methods") do
def setup
@schema = Arrow::Schema.new(visible: :boolean,
count: :uint32)
@builder = Arrow::RecordBatchBuilder.new(@schema)
end
sub_test_case("#[]") do
test("String") do
assert_equal(Arrow::BooleanDataType.new,
@builder["visible"].value_data_type)
end
test("Symbol") do
assert_equal(Arrow::BooleanDataType.new,
@builder[:visible].value_data_type)
end
test("Integer") do
assert_equal(Arrow::UInt32DataType.new,
@builder[1].value_data_type)
end
end
test("#append") do
records = [
{visible: true, count: 1},
]
columns = {
visible: [false],
count: [2],
}
arrays = [
Arrow::BooleanArray.new([true, false]),
Arrow::UInt32Array.new([1, 2]),
]
@builder.append(records, columns)
assert_equal(Arrow::RecordBatch.new(@schema,
arrays[0].length,
arrays),
@builder.flush)
end
test("#append_records") do
records = [
{visible: true, count: 1},
{visible: true, count: 2, garbage: "garbage"},
{visible: true},
[false, 4],
nil,
[true],
]
arrays = [
Arrow::BooleanArray.new([true, true, true, false, nil, true]),
Arrow::UInt32Array.new([1, 2, nil, 4, nil, nil]),
]
@builder.append_records(records)
assert_equal(Arrow::RecordBatch.new(@schema,
arrays[0].length,
arrays),
@builder.flush)
end
test("#append_columns") do
columns = {
visible: [true, true, true, false, nil, true],
count: [1, 2, nil, 4, nil, nil],
}
arrays = [
Arrow::BooleanArray.new(columns[:visible]),
Arrow::UInt32Array.new(columns[:count]),
]
@builder.append_columns(columns)
assert_equal(Arrow::RecordBatch.new(@schema,
arrays[0].length,
arrays),
@builder.flush)
end
test("#column_builders") do
column_builders = [
@builder.get_column_builder(0),
@builder.get_column_builder(1),
]
assert_equal(column_builders,
@builder.column_builders)
end
end
end
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