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
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
|
package proto
import (
"bytes"
"io"
"testing"
"github.com/stretchr/testify/require"
"github.com/ClickHouse/ch-go/internal/gold"
)
// testColumn tests column implementation.
func testColumn[T any](t *testing.T, name string, f func() ColumnOf[T], values ...T) {
data := f()
for _, v := range values {
data.Append(v)
}
var buf Buffer
data.EncodeColumn(&buf)
t.Run("Golden", func(t *testing.T) {
gold.Bytes(t, buf.Buf, "column_of_"+name)
})
t.Run("Ok", func(t *testing.T) {
br := bytes.NewReader(buf.Buf)
r := NewReader(br)
dec := f()
require.NoError(t, dec.DecodeColumn(r, len(values)))
require.Equal(t, data, dec)
})
}
func TestColumnOfString(t *testing.T) {
testColumn(t, "str", func() ColumnOf[string] { return new(ColStr) }, "foo", "bar", "baz")
}
func TestColArrFrom(t *testing.T) {
var data ColStr
arr := data.Array()
arr.Append([]string{"foo", "bar"})
t.Logf("%T %+v", arr.Data, arr.Data)
_ = NewArray[string](new(ColStr))
arrArr := NewArray[[]string](data.Array())
arrArr.Append([][]string{
{"foo", "bar"},
{"baz"},
})
t.Log(arrArr.Type())
_ = arrArr
}
func TestColArrOfStr(t *testing.T) {
col := (&ColStr{}).Array()
col.Append([]string{"foo", "bar", "foo", "foo", "baz"})
col.Append([]string{"foo", "baz"})
var buf Buffer
col.EncodeColumn(&buf)
t.Run("Golden", func(t *testing.T) {
gold.Bytes(t, buf.Buf, "col_arr_of_str")
})
t.Run("Ok", func(t *testing.T) {
br := bytes.NewReader(buf.Buf)
r := NewReader(br)
dec := (&ColStr{}).Array()
require.NoError(t, dec.DecodeColumn(r, col.Rows()))
require.Equal(t, col.Rows(), dec.Rows())
require.Equal(t, ColumnType("Array(String)"), dec.Type())
require.Equal(t, []string{"foo", "bar", "foo", "foo", "baz"}, dec.Row(0))
require.Equal(t, []string{"foo", "baz"}, dec.Row(1))
})
t.Run("EOF", func(t *testing.T) {
r := NewReader(bytes.NewReader(nil))
dec := (&ColStr{}).Array()
require.ErrorIs(t, dec.DecodeColumn(r, col.Rows()), io.EOF)
})
t.Run("NoShortRead", func(t *testing.T) {
dec := (&ColStr{}).Array()
requireNoShortRead(t, buf.Buf, colAware(dec, col.Rows()))
})
}
func TestArrOfLowCordStr(t *testing.T) {
col := NewArray[string](new(ColStr).LowCardinality())
col.Append([]string{"foo", "bar", "foo", "foo", "baz"})
col.Append([]string{"foo", "baz"})
require.NoError(t, col.Prepare())
var buf Buffer
col.EncodeColumn(&buf)
t.Run("Golden", func(t *testing.T) {
gold.Bytes(t, buf.Buf, "col_arr_of_low_cord_str")
})
t.Run("Ok", func(t *testing.T) {
br := bytes.NewReader(buf.Buf)
r := NewReader(br)
dec := NewArray[string](new(ColStr).LowCardinality())
require.NoError(t, dec.DecodeColumn(r, col.Rows()))
require.Equal(t, col.Rows(), dec.Rows())
require.Equal(t, ColumnType("Array(LowCardinality(String))"), dec.Type())
require.Equal(t, []string{"foo", "bar", "foo", "foo", "baz"}, dec.Row(0))
require.Equal(t, []string{"foo", "baz"}, dec.Row(1))
})
t.Run("EOF", func(t *testing.T) {
r := NewReader(bytes.NewReader(nil))
dec := NewArray[string](new(ColStr).LowCardinality())
require.ErrorIs(t, dec.DecodeColumn(r, col.Rows()), io.EOF)
})
t.Run("NoShortRead", func(t *testing.T) {
dec := NewArray[string](new(ColStr).LowCardinality())
requireNoShortRead(t, buf.Buf, colAware(dec, col.Rows()))
})
}
func TestColArr_DecodeColumn(t *testing.T) {
arr := new(ColInt8).Array()
const rows = 5
var values [][]int8
for i := 0; i < rows; i++ {
var v []int8
for j := 0; j < i+2; j++ {
v = append(v, 10+int8(j*2)+int8(3*i))
}
values = append(values, v)
}
for _, v := range values {
arr.Append(v)
}
var buf Buffer
arr.EncodeColumn(&buf)
t.Run("Golden", func(t *testing.T) {
gold.Bytes(t, buf.Buf, "col_arr_int8_manual")
})
t.Run("ColumnType", func(t *testing.T) {
require.Equal(t, "Array(Int8)", arr.Type().String())
})
out := new(ColInt8).Array()
br := bytes.NewReader(buf.Buf)
r := NewReader(br)
require.NoError(t, out.DecodeColumn(r, rows))
requireEqual[[]int8](t, arr, out)
}
|
