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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 TestBufferOutputStream < Test::Unit::TestCase
include Helper::Buildable
def test_new
buffer = Arrow::ResizableBuffer.new(0)
output_stream = Arrow::BufferOutputStream.new(buffer)
output_stream.write("Hello")
output_stream.close
assert_equal("Hello", buffer.data.to_s)
end
def test_align
buffer = Arrow::ResizableBuffer.new(0)
output_stream = Arrow::BufferOutputStream.new(buffer)
output_stream.write("Hello")
output_stream.align(8)
output_stream.close
assert_equal("Hello\x00\x00\x00", buffer.data.to_s)
end
def test_write_record_batch
fields = [
Arrow::Field.new("visible", Arrow::BooleanDataType.new),
Arrow::Field.new("valid", Arrow::BooleanDataType.new),
]
schema = Arrow::Schema.new(fields)
columns = [
build_boolean_array([true]),
build_boolean_array([false]),
]
record_batch = Arrow::RecordBatch.new(schema, 1, columns)
buffer = Arrow::ResizableBuffer.new(0)
options = Arrow::WriteOptions.new
output_stream = Arrow::BufferOutputStream.new(buffer)
output_stream.write_record_batch(record_batch, options)
output_stream.close
input_stream = Arrow::BufferInputStream.new(buffer)
assert_equal(record_batch,
input_stream.read_record_batch(schema))
end
end
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