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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.
package arrow_test
import (
"reflect"
"testing"
"github.com/apache/arrow-go/v18/arrow"
"github.com/apache/arrow-go/v18/arrow/extensions"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/suite"
)
type BadExtensionType struct{}
func (BadExtensionType) ID() arrow.Type { return arrow.EXTENSION }
func (BadExtensionType) ArrayType() reflect.Type { return nil }
func (BadExtensionType) Name() string { return "bad" }
func (BadExtensionType) StorageType() arrow.DataType { return arrow.Null }
func (BadExtensionType) ExtensionEquals(arrow.ExtensionType) bool { return false }
func (BadExtensionType) ExtensionName() string { return "bad" }
func (BadExtensionType) Serialize() string { return "" }
func (BadExtensionType) Deserialize(_ arrow.DataType, _ string) (arrow.ExtensionType, error) {
return nil, nil
}
func TestMustEmbedBase(t *testing.T) {
var ext interface{} = &BadExtensionType{}
assert.Panics(t, func() {
var _ arrow.ExtensionType = ext.(arrow.ExtensionType)
})
}
type ExtensionTypeTestSuite struct {
suite.Suite
}
func (e *ExtensionTypeTestSuite) TestExtensionType() {
e.Nil(arrow.GetExtensionType("uuid-unknown"))
e.NotNil(arrow.GetExtensionType("arrow.uuid"))
e.Error(arrow.RegisterExtensionType(extensions.NewUUIDType()))
e.Error(arrow.UnregisterExtensionType("uuid-unknown"))
typ := extensions.NewUUIDType()
e.Implements((*arrow.ExtensionType)(nil), typ)
e.Equal(arrow.EXTENSION, typ.ID())
e.Equal("extension", typ.Name())
serialized := typ.Serialize()
deserialized, err := typ.Deserialize(&arrow.FixedSizeBinaryType{ByteWidth: 16}, serialized)
e.NoError(err)
e.True(arrow.TypeEqual(deserialized.StorageType(), &arrow.FixedSizeBinaryType{ByteWidth: 16}))
e.True(arrow.TypeEqual(deserialized, typ))
e.False(arrow.TypeEqual(deserialized, &arrow.FixedSizeBinaryType{ByteWidth: 16}))
}
func TestExtensionTypes(t *testing.T) {
suite.Run(t, new(ExtensionTypeTestSuite))
}
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