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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 ArrayBuilderTest < Test::Unit::TestCase
sub_test_case(".build") do
def assert_build(builder_class, raw_array)
array = builder_class.build(raw_array)
assert_equal(raw_array, array.to_a)
end
sub_test_case("generic builder") do
test("strings") do
assert_build(Arrow::ArrayBuilder,
["Hello", nil, "World"])
end
test("symbols") do
array = Arrow::ArrayBuilder.build([:hello, nil, :world])
expected_builder = Arrow::StringDictionaryArrayBuilder.new
assert_equal(expected_builder.build(["hello", nil, "world"]),
array)
end
test("boolean") do
assert_build(Arrow::ArrayBuilder,
[true, nil, false])
end
test("positive integers") do
assert_build(Arrow::ArrayBuilder,
[1, nil, 2, nil, 3])
end
test("negative integers") do
assert_build(Arrow::ArrayBuilder,
[nil, -1, nil, -2, nil, -3])
end
test("times") do
assert_build(Arrow::ArrayBuilder,
[Time.at(0), Time.at(1), Time.at(2)])
end
test("dates") do
assert_build(Arrow::ArrayBuilder,
[Date.new(2018, 1, 4), Date.new(2018, 1, 5)])
end
test("datetimes") do
assert_build(Arrow::ArrayBuilder,
[
DateTime.new(2018, 1, 4, 23, 18, 23),
DateTime.new(2018, 1, 5, 0, 23, 21),
])
end
test("list<boolean>s") do
assert_build(Arrow::ArrayBuilder,
[
[nil, true, false],
nil,
[false],
])
end
test("list<string>s") do
assert_build(Arrow::ArrayBuilder,
[
["Hello", "World"],
["Apache Arrow"],
])
end
end
sub_test_case("specific builder") do
test("empty") do
assert_build(Arrow::Int32ArrayBuilder,
[])
end
test("values") do
assert_build(Arrow::Int32ArrayBuilder,
[1, -2])
end
test("values, nils") do
assert_build(Arrow::Int32ArrayBuilder,
[1, -2, nil, nil])
end
test("values, nils, values") do
assert_build(Arrow::Int32ArrayBuilder,
[1, -2, nil, nil, 3, -4])
end
test("values, nils, values, nils") do
assert_build(Arrow::Int32ArrayBuilder,
[1, -2, nil, nil, 3, -4, nil, nil])
end
test("nils") do
assert_build(Arrow::Int32ArrayBuilder,
[nil, nil])
end
test("nils, values") do
assert_build(Arrow::Int32ArrayBuilder,
[nil, nil, 3, -4])
end
test("nils, values, nil") do
assert_build(Arrow::Int32ArrayBuilder,
[nil, nil, 3, -4, nil, nil])
end
test("nils, values, nil, values") do
assert_build(Arrow::Int32ArrayBuilder,
[nil, nil, 3, -4, nil, nil, 5, -6])
end
end
end
end
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