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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 TestFeatherFileReader < Test::Unit::TestCase
include Helper::Buildable
def setup_file(table)
tempfile = Tempfile.open("arrow-feather-file-reader")
output = Arrow::FileOutputStream.new(tempfile.path, false)
begin
table.write_as_feather(output)
ensure
output.close
end
input = Arrow::MemoryMappedInputStream.new(tempfile.path)
begin
reader = Arrow::FeatherFileReader.new(input)
yield(reader)
ensure
input.close
end
end
test("#read") do
table = build_table("message" => build_string_array(["Login"]),
"is_critical" => build_boolean_array([true]))
setup_file(table) do |reader|
assert do
reader.version >= 2
end
assert_equal(table, reader.read)
end
end
test("#read_indices") do
table = build_table("message" => build_string_array(["Login"]),
"is_critical" => build_boolean_array([true]),
"host" => build_string_array(["www"]))
setup_file(table) do |reader|
assert_equal(build_table("message" => build_string_array(["Login"]),
"host" => build_string_array(["www"])),
reader.read_indices([2, 0]))
end
end
test("#read_names") do
table = build_table("message" => build_string_array(["Login"]),
"is_critical" => build_boolean_array([true]),
"host" => build_string_array(["www"]))
setup_file(table) do |reader|
assert_equal(build_table("message" => build_string_array(["Login"]),
"host" => build_string_array(["www"])),
reader.read_names(["message", "host"]))
end
end
end
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