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package proto
import (
"bytes"
"fmt"
"io"
"testing"
"github.com/stretchr/testify/require"
"github.com/ClickHouse/ch-go/internal/gold"
)
func TestColTuple_Rows(t *testing.T) {
require.Equal(t, 0, ColTuple(nil).Rows())
}
func TestColTuple_DecodeColumn(t *testing.T) {
const rows = 50
var (
dataStr ColStr
dataInt ColInt64
)
for i := 0; i < rows; i++ {
dataStr.Append(fmt.Sprintf("<%d>", i))
dataInt = append(dataInt, int64(i))
}
data := ColTuple{&dataStr, &dataInt}
var buf Buffer
data.EncodeColumn(&buf)
t.Run("Golden", func(t *testing.T) {
gold.Bytes(t, buf.Buf, "col_tuple_str_int64")
})
t.Run("Ok", func(t *testing.T) {
br := bytes.NewReader(buf.Buf)
r := NewReader(br)
dec := ColTuple{new(ColStr), new(ColInt64)}
require.NoError(t, dec.DecodeColumn(r, rows))
require.Equal(t, data, dec)
require.Equal(t, rows, dec.Rows())
dec.Reset()
require.Equal(t, 0, dec.Rows())
require.Equal(t, ColumnType("Tuple(String, Int64)"), dec.Type())
})
t.Run("EOF", func(t *testing.T) {
r := NewReader(bytes.NewReader(nil))
dec := ColTuple{new(ColStr), new(ColInt64)}
require.ErrorIs(t, dec.DecodeColumn(r, rows), io.EOF)
})
t.Run("NoShortRead", func(t *testing.T) {
dec := ColTuple{new(ColStr), new(ColInt64)}
requireNoShortRead(t, buf.Buf, colAware(&dec, rows))
})
}
func TestColTuple_DecodeColumn_Named(t *testing.T) {
const rows = 50
var (
dataStr ColStr
dataInt ColInt64
)
for i := 0; i < rows; i++ {
dataStr.Append(fmt.Sprintf("<%d>", i))
dataInt = append(dataInt, int64(i))
}
data := ColTuple{
ColNamed[string]{Name: "strings", ColumnOf: &dataStr},
ColNamed[int64]{Name: "ints", ColumnOf: &dataInt},
}
var buf Buffer
data.EncodeColumn(&buf)
t.Run("Golden", func(t *testing.T) {
gold.Bytes(t, buf.Buf, "col_tuple_named_str_int64")
})
t.Run("Ok", func(t *testing.T) {
br := bytes.NewReader(buf.Buf)
r := NewReader(br)
dec := ColTuple{
ColNamed[string]{Name: "strings", ColumnOf: new(ColStr)},
ColNamed[int64]{Name: "ints", ColumnOf: new(ColInt64)},
}
require.NoError(t, dec.DecodeColumn(r, rows))
require.Equal(t, data, dec)
require.Equal(t, rows, dec.Rows())
dec.Reset()
require.Equal(t, 0, dec.Rows())
require.Equal(t, ColumnType("Tuple(strings String, ints Int64)"), dec.Type())
})
t.Run("EOF", func(t *testing.T) {
r := NewReader(bytes.NewReader(nil))
dec := ColTuple{
ColNamed[string]{Name: "strings", ColumnOf: new(ColStr)},
ColNamed[int64]{Name: "ints", ColumnOf: new(ColInt64)},
}
require.ErrorIs(t, dec.DecodeColumn(r, rows), io.EOF)
})
t.Run("NoShortRead", func(t *testing.T) {
dec := ColTuple{
ColNamed[string]{Name: "strings", ColumnOf: new(ColStr)},
ColNamed[int64]{Name: "ints", ColumnOf: new(ColInt64)},
}
requireNoShortRead(t, buf.Buf, colAware(&dec, rows))
})
}
func BenchmarkColTuple_DecodeColumn(b *testing.B) {
const rows = 50_000
elems := make([]ColUInt8, 3)
for i := 0; i < rows; i++ {
for j := range elems {
elems[j] = append(elems[j], uint8(i))
}
}
var data ColTuple
for _, c := range elems {
data = append(data, &c)
}
var buf Buffer
data.EncodeColumn(&buf)
br := bytes.NewReader(buf.Buf)
r := NewReader(br)
var dec ColTuple
for range elems {
dec = append(dec, new(ColUInt8))
}
if err := dec.DecodeColumn(r, rows); err != nil {
b.Fatal(err)
}
b.SetBytes(int64(len(buf.Buf)))
b.ResetTimer()
b.ReportAllocs()
for i := 0; i < b.N; i++ {
br.Reset(buf.Buf)
r.raw.Reset(br)
dec.Reset()
if err := dec.DecodeColumn(r, rows); err != nil {
b.Fatal(err)
}
}
}
func BenchmarkColTuple_EncodeColumn(b *testing.B) {
const rows = 50_000
elems := make([]ColUInt8, 3)
for i := 0; i < rows; i++ {
for j := range elems {
elems[j] = append(elems[j], uint8(i))
}
}
var data ColTuple
for _, c := range elems {
data = append(data, &c)
}
var buf Buffer
data.EncodeColumn(&buf)
b.SetBytes(int64(len(buf.Buf)))
b.ResetTimer()
b.ReportAllocs()
for i := 0; i < b.N; i++ {
buf.Reset()
data.EncodeColumn(&buf)
}
}
|
