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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 SchemaTest < Test::Unit::TestCase
include Helper::Omittable
def setup
@count_field = Arrow::Field.new("count", :uint32)
@visible_field = Arrow::Field.new("visible", :boolean)
end
sub_test_case(".new") do
test("[Arrow::Field]") do
fields = [
@count_field,
@visible_field,
]
assert_equal("count: uint32\n" +
"visible: bool",
Arrow::Schema.new(fields).to_s)
end
test("[Arrow::Field, Hash]") do
fields = [
@count_field,
{name: "visible", type: :boolean},
]
assert_equal("count: uint32\n" +
"visible: bool",
Arrow::Schema.new(fields).to_s)
end
test("{String, Symbol => Arrow::DataType}") do
fields = {
"count" => Arrow::UInt32DataType.new,
:visible => :boolean,
}
assert_equal("count: uint32\n" +
"visible: bool",
Arrow::Schema.new(fields).to_s)
end
test("{String, Symbol => Hash}") do
fields = {
"count" => {type: :uint32},
:tags => {
type: :list,
field: {
name: "tag",
type: :string,
},
},
}
assert_equal("count: uint32\n" +
"tags: list<tag: string>",
Arrow::Schema.new(fields).to_s)
end
end
sub_test_case("instance methods") do
def setup
super
@schema = Arrow::Schema.new([@count_field, @visible_field])
end
sub_test_case("#[]") do
test("[String]") do
assert_equal([@count_field, @visible_field],
[@schema["count"], @schema["visible"]])
end
test("[Symbol]") do
assert_equal([@count_field, @visible_field],
[@schema[:count], @schema[:visible]])
end
test("[Integer]") do
assert_equal([@count_field, @visible_field],
[@schema[0], @schema[1]])
end
test("[invalid]") do
invalid = []
message = "field name or index must be String, Symbol or Integer"
message << ": <#{invalid.inspect}>"
assert_raise(ArgumentError.new(message)) do
@schema[invalid]
end
end
end
sub_test_case("#==") do
test("Arrow::Schema") do
assert do
@schema == @schema
end
end
test("not Arrow::Schema") do
assert do
not (@schema == 29)
end
end
end
sub_test_case("#to_s") do
test("show_metadata") do
require_gi_bindings(3, 4, 2)
schema = @schema.with_metadata("key" => "value")
assert_equal(<<-SCHEMA.chomp, schema.to_s(show_metadata: true))
count: uint32
visible: bool
-- metadata --
key: value
SCHEMA
end
end
end
end
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