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|
package proto
import (
"bytes"
"io"
"testing"
"github.com/stretchr/testify/require"
"github.com/ClickHouse/ch-go/internal/gold"
)
func TestColMapGolden(t *testing.T) {
v := NewMap[string, string](
new(ColStr), // k
new(ColStr), // v
)
require.Equal(t, ColumnType("Map(String, String)"), v.Type())
v.Append(map[string]string{
"foo": "bar",
})
v.Append(map[string]string{
"like": "100",
})
var buf Buffer
v.EncodeColumn(&buf)
gold.Bytes(t, buf.Buf, "col_map_of_str_str")
}
func TestColMap_Prepare(t *testing.T) {
v := NewMap[string, string](
new(ColStr).LowCardinality(),
new(ColStr).LowCardinality(),
)
require.Equal(t, ColumnType("Map(LowCardinality(String), LowCardinality(String))"), v.Type())
v.AppendKV([]KV[string, string]{
{"foo", "bar"},
{"baz", "hello"},
{"bar", "bar"},
})
v.AppendKV([]KV[string, string]{
{"like", "100"},
{"dislike", "200"},
{"result", "1000 - 7"},
})
require.NoError(t, v.Prepare())
const rows = 2
t.Run("Golden", func(t *testing.T) {
var buf Buffer
v.EncodeColumn(&buf)
gold.Bytes(t, buf.Buf, "col_map_of_low_cardinality_str_str")
})
var buf Buffer
v.EncodeColumn(&buf)
t.Run("Ok", func(t *testing.T) {
br := bytes.NewReader(buf.Buf)
r := NewReader(br)
dec := NewMap[string, string](
new(ColStr).LowCardinality(),
new(ColStr).LowCardinality(),
)
require.NoError(t, dec.DecodeColumn(r, rows))
for i := 0; i < rows; i++ {
require.Equal(t, v.Row(i), v.Row(i))
}
dec.Reset()
require.Equal(t, 0, dec.Rows())
})
}
func TestColMap(t *testing.T) {
v := ColMap[string, string]{
Keys: &ColStr{}, Values: &ColStr{},
}
require.Equal(t, ColumnType("Map(String, String)"), v.Type())
v.Append(map[string]string{
"foo": "bar",
"baz": "hello",
})
v.Append(map[string]string{
"like": "100",
"dislike": "200",
"result": "1000 - 7",
})
const rows = 2
var buf Buffer
v.EncodeColumn(&buf)
t.Run("Ok", func(t *testing.T) {
br := bytes.NewReader(buf.Buf)
r := NewReader(br)
dec := &ColMap[string, string]{
Keys: &ColStr{}, Values: &ColStr{},
}
require.NoError(t, dec.DecodeColumn(r, rows))
for i := 0; i < rows; i++ {
require.Equal(t, v.Row(i), v.Row(i))
}
dec.Reset()
require.Equal(t, 0, dec.Rows())
})
t.Run("EOF", func(t *testing.T) {
r := NewReader(bytes.NewReader(nil))
dec := &ColMap[string, string]{
Keys: &ColStr{}, Values: &ColStr{},
}
require.ErrorIs(t, dec.DecodeColumn(r, rows), io.EOF)
})
t.Run("NoShortRead", func(t *testing.T) {
dec := &ColMap[string, string]{
Keys: &ColStr{}, Values: &ColStr{},
}
requireNoShortRead(t, buf.Buf, colAware(dec, rows))
})
}
|
