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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 TestSchema < Test::Unit::TestCase
include Helper::Omittable
def test_export
require_gi_bindings(3, 4, 8)
fields = [
Arrow::Field.new("enabled", Arrow::BooleanDataType.new),
]
schema = Arrow::Schema.new(fields)
c_abi_schema = schema.export
assert_equal(schema,
Arrow::Schema.import(c_abi_schema))
end
def test_equal
fields1 = [
Arrow::Field.new("enabled", Arrow::BooleanDataType.new),
]
fields2 = [
Arrow::Field.new("enabled", Arrow::BooleanDataType.new),
]
assert_equal(Arrow::Schema.new(fields1),
Arrow::Schema.new(fields2))
end
def test_field
field = Arrow::Field.new("enabled", Arrow::BooleanDataType.new)
schema = Arrow::Schema.new([field])
assert_equal("enabled", schema.get_field(0).name)
end
sub_test_case("#get_field_by_name") do
def test_found
field = Arrow::Field.new("enabled", Arrow::BooleanDataType.new)
schema = Arrow::Schema.new([field])
assert_equal("enabled", schema.get_field_by_name("enabled").name)
end
def test_not_found
field = Arrow::Field.new("enabled", Arrow::BooleanDataType.new)
schema = Arrow::Schema.new([field])
assert_nil(schema.get_field_by_name("nonexistent"))
end
end
sub_test_case("#get_field_index") do
def test_found
field = Arrow::Field.new("enabled", Arrow::BooleanDataType.new)
schema = Arrow::Schema.new([field])
assert_equal(0, schema.get_field_index("enabled"))
end
def test_not_found
field = Arrow::Field.new("enabled", Arrow::BooleanDataType.new)
schema = Arrow::Schema.new([field])
assert_equal(-1, schema.get_field_index("nonexistent"))
end
end
def test_n_fields
fields = [
Arrow::Field.new("enabled", Arrow::BooleanDataType.new),
Arrow::Field.new("required", Arrow::BooleanDataType.new),
]
schema = Arrow::Schema.new(fields)
assert_equal(2, schema.n_fields)
end
def test_fields
fields = [
Arrow::Field.new("enabled", Arrow::BooleanDataType.new),
Arrow::Field.new("required", Arrow::BooleanDataType.new),
]
schema = Arrow::Schema.new(fields)
assert_equal(["enabled", "required"],
schema.fields.collect(&:name))
end
def test_to_s
fields = [
Arrow::Field.new("enabled", Arrow::BooleanDataType.new),
Arrow::Field.new("required", Arrow::BooleanDataType.new),
]
schema = Arrow::Schema.new(fields)
assert_equal(<<-SCHEMA.chomp, schema.to_s)
enabled: bool
required: bool
SCHEMA
end
sub_test_case("#to_string_metadata") do
def setup
require_gi_bindings(3, 4, 2)
fields = [
Arrow::Field.new("enabled", Arrow::BooleanDataType.new),
Arrow::Field.new("required", Arrow::BooleanDataType.new),
]
schema = Arrow::Schema.new(fields)
@schema = schema.with_metadata("key" => "value")
end
def test_true
assert_equal(<<-SCHEMA.chomp, @schema.to_string_metadata(true))
enabled: bool
required: bool
-- metadata --
key: value
SCHEMA
end
def test_false
assert_equal(<<-SCHEMA.chomp, @schema.to_string_metadata(false))
enabled: bool
required: bool
SCHEMA
end
end
def test_add_field
fields = [
Arrow::Field.new("enabled", Arrow::BooleanDataType.new),
Arrow::Field.new("required", Arrow::BooleanDataType.new)
]
schema = Arrow::Schema.new(fields)
new_field = Arrow::Field.new("new", Arrow::BooleanDataType.new)
new_schema = schema.add_field(1, new_field)
assert_equal(<<-SCHEMA.chomp, new_schema.to_s)
enabled: bool
new: bool
required: bool
SCHEMA
end
def test_remove_field
fields = [
Arrow::Field.new("enabled", Arrow::BooleanDataType.new),
Arrow::Field.new("required", Arrow::BooleanDataType.new)
]
schema = Arrow::Schema.new(fields)
new_schema = schema.remove_field(0)
assert_equal(<<-SCHEMA.chomp, new_schema.to_s)
required: bool
SCHEMA
end
def test_replace_field
fields = [
Arrow::Field.new("enabled", Arrow::BooleanDataType.new),
Arrow::Field.new("required", Arrow::BooleanDataType.new)
]
schema = Arrow::Schema.new(fields)
new_field = Arrow::Field.new("new", Arrow::BooleanDataType.new)
new_schema = schema.replace_field(1, new_field)
assert_equal(<<-SCHEMA.chomp, new_schema.to_s)
enabled: bool
new: bool
SCHEMA
end
def test_has_metadata
fields = [
Arrow::Field.new("enabled", Arrow::BooleanDataType.new),
Arrow::Field.new("required", Arrow::BooleanDataType.new),
]
schema = Arrow::Schema.new(fields)
assert do
not schema.has_metadata?
end
schema_with_metadata = schema.with_metadata("key" => "value")
assert do
schema_with_metadata.has_metadata?
end
end
sub_test_case("#metadata") do
def setup
require_gi_bindings(3, 4, 2)
fields = [
Arrow::Field.new("enabled", Arrow::BooleanDataType.new),
Arrow::Field.new("required", Arrow::BooleanDataType.new),
]
@schema = Arrow::Schema.new(fields)
end
def test_existent
schema_with_metadata = @schema.with_metadata("key" => "value")
assert_equal({"key" => "value"},
schema_with_metadata.metadata)
end
def test_nonexistent
assert_nil(@schema.metadata)
end
end
end
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