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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 TestJoinOptions < Test::Unit::TestCase
include Helper::Buildable
def setup
@options = Arrow::JoinOptions.new
end
def test_null_handling_property
assert_equal(Arrow::JoinNullHandlingBehavior::EMIT_NULL, @options.null_handling)
@options.null_handling = :skip
assert_equal(Arrow::JoinNullHandlingBehavior::SKIP, @options.null_handling)
@options.null_handling = :replace
assert_equal(Arrow::JoinNullHandlingBehavior::REPLACE, @options.null_handling)
end
def test_null_replacement_property
assert_equal("", @options.null_replacement)
@options.null_replacement = "NULL"
assert_equal("NULL", @options.null_replacement)
end
def test_binary_join_element_wise_function
args = [
Arrow::ArrayDatum.new(build_string_array(["a", "b", nil])),
Arrow::ArrayDatum.new(build_string_array(["x", "y", "z"])),
Arrow::ScalarDatum.new(Arrow::StringScalar.new(Arrow::Buffer.new("-"))),
]
binary_join_element_wise_function = Arrow::Function.find("binary_join_element_wise")
@options.null_handling = :emit_null
result = binary_join_element_wise_function.execute(args, @options).value
assert_equal(build_string_array(["a-x", "b-y", nil]),
result)
@options.null_handling = :skip
result = binary_join_element_wise_function.execute(args, @options).value
assert_equal(build_string_array(["a-x", "b-y", "z"]),
result)
@options.null_handling = :replace
@options.null_replacement = "NULL"
result = binary_join_element_wise_function.execute(args, @options).value
assert_equal(build_string_array(["a-x", "b-y", "NULL-z"]),
result)
end
end
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