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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 CSVWriterTest < Test::Unit::TestCase
sub_test_case("CSVWriteOptions") do
def setup
@options = Arrow::CSVWriteOptions.new
end
def test_delimiter
assert_equal(",", @options.delimiter)
@options.delimiter = ";"
assert_equal(";", @options.delimiter)
end
end
def test_write_table
table = Arrow::Table.new({
message: ["Start", nil, "Reboot"],
count: [2, 9, 5],
})
buffer = Arrow::ResizableBuffer.new(0)
Arrow::BufferOutputStream.open(buffer) do |output|
Arrow::CSVWriter.open(output, table.schema, delimiter: ";") do |csv_writer|
csv_writer.write_table(table)
end
end
csv_output = buffer.data.to_s
expected = <<~CSV
"message";"count"
"Start";2
;9
"Reboot";5
CSV
assert_equal(expected, csv_output)
end
end
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