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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 TestModeOptions < Test::Unit::TestCase
include Helper::Buildable
def setup
@options = Arrow::ModeOptions.new
end
def test_n
assert_equal(1, @options.n)
@options.n = 2
assert_equal(2, @options.n)
end
def test_skip_nulls
assert do
@options.skip_nulls?
end
@options.skip_nulls = false
assert do
not @options.skip_nulls?
end
end
def test_min_count
assert_equal(0, @options.min_count)
@options.min_count = 1
assert_equal(1, @options.min_count)
end
def test_mode_function_with_all_options
args = [
Arrow::ArrayDatum.new(build_int32_array([1, 2, 2, 3, 3, 3, 4])),
]
@options.n = 2
@options.skip_nulls = false
@options.min_count = 2
mode_function = Arrow::Function.find("mode")
result = mode_function.execute(args, @options).value
expected = build_struct_array(
[
Arrow::Field.new("mode", Arrow::Int32DataType.new),
Arrow::Field.new("count", Arrow::Int64DataType.new),
],
[
{"mode" => 3, "count" => 3},
{"mode" => 2, "count" => 2},
]
)
assert_equal(expected, result)
end
end
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