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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 ipc
import (
"strings"
"testing"
"github.com/apache/arrow-go/v18/arrow"
"github.com/apache/arrow-go/v18/arrow/array"
"github.com/apache/arrow-go/v18/arrow/endian"
"github.com/apache/arrow-go/v18/arrow/memory"
"github.com/apache/arrow-go/v18/internal/types"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func AssertArrayDataEqualWithSwappedEndian(t *testing.T, target, expected arrow.ArrayData) bool {
assert.NoError(t, swapEndianArrayData(target.(*array.Data)))
swappedArray := array.MakeFromData(target)
defer swappedArray.Release()
expectedArray := array.MakeFromData(expected)
defer expectedArray.Release()
return assert.Truef(t, array.Equal(swappedArray, expectedArray), "got: %s, expected: %s\n", swappedArray, expectedArray)
}
func TestSwapEndianPrimitiveArrayData(t *testing.T) {
nullBuffer := memory.NewBufferBytes([]byte("\xff"))
tests := []struct {
dt arrow.DataType
len int
input, expected string
}{
{arrow.Null, 0, "", ""},
{arrow.PrimitiveTypes.Int32, 0, "", ""},
{arrow.FixedWidthTypes.Boolean, 8, "01234567", "01234567"},
{arrow.PrimitiveTypes.Int8, 8, "01234567", "01234567"},
{arrow.PrimitiveTypes.Uint16, 4, "01234567", "10325476"},
{arrow.PrimitiveTypes.Int32, 2, "01234567", "32107654"},
{arrow.PrimitiveTypes.Uint64, 1, "01234567", "76543210"},
{&arrow.Decimal128Type{Precision: 38, Scale: 10}, 1, "0123456789abcdef", "fedcba9876543210"},
{&arrow.Decimal256Type{Precision: 72, Scale: 10}, 1, "0123456789abcdef0123456789abcdef", "fedcba9876543210fedcba9876543210"},
{arrow.PrimitiveTypes.Float32, 2, "01200560", "02100650"},
{arrow.PrimitiveTypes.Float64, 1, "01200560", "06500210"},
}
for _, tt := range tests {
t.Run(tt.dt.String(), func(t *testing.T) {
var target, expected arrow.ArrayData
if tt.dt == arrow.Null {
target = array.NewData(arrow.Null, 0, []*memory.Buffer{nil}, nil, 0, 0)
expected = target
} else {
target = array.NewData(tt.dt, tt.len, []*memory.Buffer{nullBuffer, memory.NewBufferBytes([]byte(tt.input))}, nil, 0, 0)
expected = array.NewData(tt.dt, tt.len, []*memory.Buffer{nullBuffer, memory.NewBufferBytes([]byte(tt.expected))}, nil, 0, 0)
defer target.Release()
defer expected.Release()
}
AssertArrayDataEqualWithSwappedEndian(t, target, expected)
})
}
data := array.NewData(arrow.PrimitiveTypes.Int64, 1, []*memory.Buffer{nullBuffer, memory.NewBufferBytes([]byte("01234567"))}, nil, 0, 1)
assert.Error(t, swapEndianArrayData(data))
}
func replaceBuffer(data *array.Data, idx int, bufdata []byte) *array.Data {
out := data.Copy()
buffers := out.Buffers()
buffers[idx].Release()
buffers[idx] = memory.NewBufferBytes(bufdata)
return out
}
func replaceBuffersInChild(data *array.Data, childIdx int, bufdata []byte) *array.Data {
out := data.Copy()
// assume updating only buffer[1] in child data
children := out.Children()
child := children[childIdx].(*array.Data).Copy()
children[childIdx].Release()
child.Buffers()[1].Release()
child.Buffers()[1] = memory.NewBufferBytes(bufdata)
children[childIdx] = child
return out
}
func replaceBuffersInDict(data *array.Data, bufferIdx int, bufdata []byte) *array.Data {
out := data.Copy()
dictData := out.Dictionary().(*array.Data).Copy()
dictData.Buffers()[bufferIdx].Release()
dictData.Buffers()[bufferIdx] = memory.NewBufferBytes(bufdata)
defer dictData.Release()
out.SetDictionary(dictData)
return out
}
func TestSwapEndianArrayDataBinary(t *testing.T) {
mem := memory.NewCheckedAllocator(memory.DefaultAllocator)
defer mem.AssertSize(t, 0)
// binary type assumes the json string data is base64 encoded
// MDEyMw== -> 0123
// NDU= -> 45
arr, _, err := array.FromJSON(mem, arrow.BinaryTypes.Binary, strings.NewReader(`["MDEyMw==", null, "NDU="]`))
require.NoError(t, err)
defer arr.Release()
var offsets []byte
if endian.IsBigEndian {
offsets = []byte{0, 0, 0, 0, 4, 0, 0, 0, 4, 0, 0, 0, 6, 0, 0, 0}
} else {
offsets = []byte{0, 0, 0, 0, 0, 0, 0, 4, 0, 0, 0, 4, 0, 0, 0, 6}
}
expected := arr.Data().(*array.Data)
test := replaceBuffer(expected, 1, offsets)
defer test.Release()
AssertArrayDataEqualWithSwappedEndian(t, test, expected)
}
func TestSwapEndianArrayString(t *testing.T) {
mem := memory.NewCheckedAllocator(memory.DefaultAllocator)
defer mem.AssertSize(t, 0)
arr, _, err := array.FromJSON(mem, arrow.BinaryTypes.String, strings.NewReader(`["ABCD", null, "EF"]`))
require.NoError(t, err)
defer arr.Release()
var offsets []byte
if endian.IsBigEndian {
offsets = []byte{0, 0, 0, 0, 4, 0, 0, 0, 4, 0, 0, 0, 6, 0, 0, 0}
} else {
offsets = []byte{0, 0, 0, 0, 0, 0, 0, 4, 0, 0, 0, 4, 0, 0, 0, 6}
}
expected := arr.Data().(*array.Data)
test := replaceBuffer(expected, 1, offsets)
defer test.Release()
AssertArrayDataEqualWithSwappedEndian(t, test, expected)
}
func TestSwapEndianArrayListType(t *testing.T) {
mem := memory.NewCheckedAllocator(memory.DefaultAllocator)
defer mem.AssertSize(t, 0)
dt := arrow.ListOf(arrow.PrimitiveTypes.Int32)
arr, _, err := array.FromJSON(mem, dt, strings.NewReader(`[[0, 1, 2, 3], null, [4, 5]]`))
require.NoError(t, err)
defer arr.Release()
var (
offsets, data []byte
)
if endian.IsBigEndian {
offsets = []byte{0, 0, 0, 0, 4, 0, 0, 0, 4, 0, 0, 0, 6, 0, 0, 0}
data = []byte{0, 0, 0, 0, 1, 0, 0, 0, 2, 0, 0, 0, 3, 0, 0, 0, 4, 0, 0, 0, 5, 0, 0, 0}
} else {
offsets = []byte{0, 0, 0, 0, 0, 0, 0, 4, 0, 0, 0, 4, 0, 0, 0, 6}
data = []byte{0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 2, 0, 0, 0, 3, 0, 0, 0, 4, 0, 0, 0, 5}
}
expected := arr.Data().(*array.Data)
test := replaceBuffer(expected, 1, offsets)
defer test.Release()
test = replaceBuffersInChild(test, 0, data)
defer test.Release()
AssertArrayDataEqualWithSwappedEndian(t, test, expected)
}
func TestSwapEndianArrayFixedSizeList(t *testing.T) {
mem := memory.NewCheckedAllocator(memory.DefaultAllocator)
defer mem.AssertSize(t, 0)
dt := arrow.FixedSizeListOf(2, arrow.PrimitiveTypes.Int32)
arr, _, err := array.FromJSON(mem, dt, strings.NewReader(`[[0, 1], null, [2, 3]]`))
require.NoError(t, err)
defer arr.Release()
var data []byte
if endian.IsBigEndian {
data = []byte{0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 3, 0, 0, 0}
} else {
data = []byte{0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 3}
}
expected := arr.Data().(*array.Data)
test := replaceBuffersInChild(expected, 0, data)
defer test.Release()
AssertArrayDataEqualWithSwappedEndian(t, test, expected)
}
func TestSwapEndianArrayDictType(t *testing.T) {
mem := memory.NewCheckedAllocator(memory.DefaultAllocator)
defer mem.AssertSize(t, 0)
dt := &arrow.DictionaryType{IndexType: arrow.PrimitiveTypes.Int32, ValueType: arrow.PrimitiveTypes.Int16}
dict, _, err := array.FromJSON(mem, dt.ValueType, strings.NewReader(`[4, 5, 6, 7]`))
require.NoError(t, err)
defer dict.Release()
indices, _, _ := array.FromJSON(mem, dt.IndexType, strings.NewReader("[0, 2, 3]"))
defer indices.Release()
arr := array.NewDictionaryArray(dt, indices, dict)
defer arr.Release()
var (
data1, data2 []byte
)
if endian.IsBigEndian {
data1 = []byte{0, 0, 0, 0, 2, 0, 0, 0, 3, 0, 0, 0}
data2 = []byte{4, 0, 5, 0, 6, 0, 7, 0}
} else {
data1 = []byte{0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 3}
data2 = []byte{0, 4, 0, 5, 0, 6, 0, 7}
}
expected := arr.Data().(*array.Data)
test := replaceBuffer(expected, 1, data1)
defer test.Release()
test = replaceBuffersInDict(test, 1, data2)
defer test.Release()
// dictionary must be explicitly swapped!
assert.NoError(t, swapEndianArrayData(test.Dictionary().(*array.Data)))
AssertArrayDataEqualWithSwappedEndian(t, test, expected)
}
func TestSwapEndianArrayStruct(t *testing.T) {
mem := memory.NewCheckedAllocator(memory.DefaultAllocator)
defer mem.AssertSize(t, 0)
arr, _, err := array.FromJSON(mem, arrow.StructOf(
arrow.Field{Name: "a", Type: arrow.PrimitiveTypes.Int32, Nullable: true},
arrow.Field{Name: "b", Type: arrow.BinaryTypes.String, Nullable: true},
), strings.NewReader(`[{"a": 4, "b": null}, {"a": null, "b": "foo"}]`))
require.NoError(t, err)
defer arr.Release()
var data1, data2 []byte
if endian.IsBigEndian {
data1 = []byte{4, 0, 0, 0, 0, 0, 0, 0}
data2 = []byte{0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0}
} else {
data1 = []byte{0, 0, 0, 4, 0, 0, 0, 0}
data2 = []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3}
}
expected := arr.Data().(*array.Data)
test := replaceBuffersInChild(expected, 0, data1)
defer test.Release()
test = replaceBuffersInChild(test, 1, data2)
defer test.Release()
AssertArrayDataEqualWithSwappedEndian(t, test, expected)
}
func TestSwapEndianArrayExtensionType(t *testing.T) {
mem := memory.NewCheckedAllocator(memory.DefaultAllocator)
defer mem.AssertSize(t, 0)
arrInt16, _, _ := array.FromJSON(mem, arrow.PrimitiveTypes.Int16, strings.NewReader(`[0, 1, 2, 3]`))
defer arrInt16.Release()
extData := array.NewData(types.NewSmallintType(), arrInt16.Len(), arrInt16.Data().Buffers(), nil, 0, 0)
defer extData.Release()
arr := array.MakeFromData(extData)
defer arr.Release()
var data []byte
if endian.IsBigEndian {
data = []byte{0, 0, 1, 0, 2, 0, 3, 0}
} else {
data = []byte{0, 0, 0, 1, 0, 2, 0, 3}
}
expected := arr.Data().(*array.Data)
test := replaceBuffer(expected, 1, data)
defer test.Release()
AssertArrayDataEqualWithSwappedEndian(t, test, expected)
}
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