redis/internal/proto/reader_test.go

73 lines
1.7 KiB
Go

package proto_test
import (
"bytes"
"io"
"testing"
"git.internal/re/redis/v8/internal/proto"
)
func BenchmarkReader_ParseReply_Status(b *testing.B) {
benchmarkParseReply(b, "+OK\r\n", nil, false)
}
func BenchmarkReader_ParseReply_Int(b *testing.B) {
benchmarkParseReply(b, ":1\r\n", nil, false)
}
func BenchmarkReader_ParseReply_Error(b *testing.B) {
benchmarkParseReply(b, "-Error message\r\n", nil, true)
}
func BenchmarkReader_ParseReply_String(b *testing.B) {
benchmarkParseReply(b, "$5\r\nhello\r\n", nil, false)
}
func BenchmarkReader_ParseReply_Slice(b *testing.B) {
benchmarkParseReply(b, "*2\r\n$5\r\nhello\r\n$5\r\nworld\r\n", multiBulkParse, false)
}
func TestReader_ReadLine(t *testing.T) {
original := bytes.Repeat([]byte("a"), 8192)
original[len(original)-2] = '\r'
original[len(original)-1] = '\n'
r := proto.NewReader(bytes.NewReader(original))
read, err := r.ReadLine()
if err != nil && err != io.EOF {
t.Errorf("Should be able to read the full buffer: %v", err)
}
if bytes.Compare(read, original[:len(original)-2]) != 0 {
t.Errorf("Values must be equal: %d expected %d", len(read), len(original[:len(original)-2]))
}
}
func benchmarkParseReply(b *testing.B, reply string, m proto.MultiBulkParse, wanterr bool) {
buf := new(bytes.Buffer)
for i := 0; i < b.N; i++ {
buf.WriteString(reply)
}
p := proto.NewReader(buf)
b.ResetTimer()
for i := 0; i < b.N; i++ {
_, err := p.ReadReply(m)
if !wanterr && err != nil {
b.Fatal(err)
}
}
}
func multiBulkParse(p *proto.Reader, n int64) (interface{}, error) {
vv := make([]interface{}, 0, n)
for i := int64(0); i < n; i++ {
v, err := p.ReadReply(multiBulkParse)
if err != nil {
return nil, err
}
vv = append(vv, v)
}
return vv, nil
}