1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
|
// 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 array
import (
"slices"
"testing"
"github.com/apache/arrow-go/v18/arrow"
"github.com/apache/arrow-go/v18/arrow/memory"
"github.com/stretchr/testify/assert"
)
func TestDataReset(t *testing.T) {
var (
buffers1 = make([]*memory.Buffer, 0, 3)
buffers2 = make([]*memory.Buffer, 0, 3)
)
for i := 0; i < cap(buffers1); i++ {
buffers1 = append(buffers1, memory.NewBufferBytes([]byte("some-bytes1")))
buffers2 = append(buffers2, memory.NewBufferBytes([]byte("some-bytes2")))
}
data := NewData(&arrow.StringType{}, 10, buffers1, nil, 0, 0)
data.Reset(&arrow.Int64Type{}, 5, buffers2, nil, 1, 2)
for i := 0; i < 2; i++ {
assert.Equal(t, buffers2, data.Buffers())
assert.Equal(t, &arrow.Int64Type{}, data.DataType())
assert.Equal(t, 1, data.NullN())
assert.Equal(t, 2, data.Offset())
assert.Equal(t, 5, data.Len())
// Make sure it works when resetting the data with its own buffers (new buffers are retained
// before old ones are released.)
data.Reset(&arrow.Int64Type{}, 5, data.Buffers(), nil, 1, 2)
}
}
func TestSizeInBytes(t *testing.T) {
var buffers1 = make([]*memory.Buffer, 0, 3)
for i := 0; i < cap(buffers1); i++ {
buffers1 = append(buffers1, memory.NewBufferBytes([]byte("15-bytes-buffer")))
}
data := NewData(&arrow.StringType{}, 10, buffers1, nil, 0, 0)
var arrayData arrow.ArrayData = data
dataWithChild := NewData(&arrow.StringType{}, 10, buffers1, []arrow.ArrayData{arrayData}, 0, 0)
buffers2 := slices.Clone(buffers1)
buffers2[0] = nil
dataWithNilBuffer := NewData(&arrow.StringType{}, 10, buffers2, nil, 0, 0)
t.Run("nil buffers", func(t *testing.T) {
expectedSize := uint64(30)
if actualSize := dataWithNilBuffer.SizeInBytes(); actualSize != expectedSize {
t.Errorf("expected size %d, got %d", expectedSize, actualSize)
}
})
t.Run("buffers only", func(t *testing.T) {
expectedSize := uint64(45)
if actualSize := data.SizeInBytes(); actualSize != expectedSize {
t.Errorf("expected size %d, got %d", expectedSize, actualSize)
}
})
t.Run("buffers and child data", func(t *testing.T) {
// 45 bytes in buffers, 45 bytes in child data
expectedSize := uint64(90)
if actualSize := dataWithChild.SizeInBytes(); actualSize != expectedSize {
t.Errorf("expected size %d, got %d", expectedSize, actualSize)
}
})
t.Run("buffers and nested child data", func(t *testing.T) {
var dataWithChildArrayData arrow.ArrayData = dataWithChild
var dataWithNestedChild arrow.ArrayData = NewData(&arrow.StringType{}, 10, buffers1, []arrow.ArrayData{dataWithChildArrayData}, 0, 0)
// 45 bytes in buffers, 90 bytes in nested child data
expectedSize := uint64(135)
if actualSize := dataWithNestedChild.SizeInBytes(); actualSize != expectedSize {
t.Errorf("expected size %d, got %d", expectedSize, actualSize)
}
})
t.Run("buffers and dictionary", func(t *testing.T) {
dictData := data
dataWithDict := NewDataWithDictionary(&arrow.StringType{}, 10, buffers1, 0, 0, dictData)
// 45 bytes in buffers, 45 bytes in dictionary
expectedSize := uint64(90)
if actualSize := dataWithDict.SizeInBytes(); actualSize != expectedSize {
t.Errorf("expected size %d, got %d", expectedSize, actualSize)
}
})
t.Run("sliced data", func(t *testing.T) {
sliceData := NewSliceData(arrayData, 3, 5)
// offset is not taken into account in SizeInBytes()
expectedSize := uint64(45)
if actualSize := sliceData.SizeInBytes(); actualSize != expectedSize {
t.Errorf("expected size %d, got %d", expectedSize, actualSize)
}
})
t.Run("sliced data with children", func(t *testing.T) {
var dataWithChildArrayData arrow.ArrayData = dataWithChild
sliceData := NewSliceData(dataWithChildArrayData, 3, 5)
// offset is not taken into account in SizeInBytes()
expectedSize := uint64(90)
if actualSize := sliceData.SizeInBytes(); actualSize != expectedSize {
t.Errorf("expected size %d, got %d", expectedSize, actualSize)
}
})
t.Run("buffers with children which are sliced data", func(t *testing.T) {
sliceData := NewSliceData(arrayData, 3, 5)
dataWithSlicedChildren := NewData(&arrow.StringType{}, 10, buffers1, []arrow.ArrayData{sliceData}, 0, 0)
// offset is not taken into account in SizeInBytes()
expectedSize := uint64(90)
if actualSize := dataWithSlicedChildren.SizeInBytes(); actualSize != expectedSize {
t.Errorf("expected size %d, got %d", expectedSize, actualSize)
}
})
}
|
