refactor code structure for gnet

redis/parser/parserv2_test.go

@@ -0,0 +1,55 @@
+package parser
+
+import (
+	"bytes"
+	"fmt"
+	"testing"
+)
+
+func BenchmarkParseSETCommand(b *testing.B) {
+	valueSizes := []int{10, 100, 1000, 10000}
+
+	for _, size := range valueSizes {
+		value := bytes.Repeat([]byte("a"), size)
+		cmd := []byte(fmt.Sprintf("*3\r\n$3\r\nSET\r\n$3\r\nkey\r\n$%d\r\n%s\r\n", len(value), value))
+
+		b.Run("value_size_"+formatSize(size), func(subB *testing.B) {
+			subB.ResetTimer()
+
+			for i := 0; i < subB.N; i++ {
+				reader := bytes.NewReader(cmd)
+				_, err := ParseV2(reader)
+				if err != nil {
+					subB.Fatalf("parse failed: %v", err)
+				}
+			}
+		})
+	}
+}
+
+func TestParseV2(t *testing.T) {
+	value := bytes.Repeat([]byte("a"), 100)
+	data := []byte(fmt.Sprintf("*3\r\n$3\r\nSET\r\n$3\r\nkey\r\n$%d\r\n%s\r\n", len(value), value))
+	cmdLine, err := ParseV2(bytes.NewBuffer(data))
+	if err != nil {
+		t.Error(err)
+		return
+	}
+	if len(cmdLine) != 3 || string(cmdLine[0]) != "SET" || string(cmdLine[1]) != "key" || string(cmdLine[2]) != string(value) {
+		t.Error("parse error")
+		return
+	}
+}
+
+func formatSize(size int) string {
+	units := []string{"B", "KB", "MB"}
+	unitIndex := 0
+	floatSize := float64(size)
+
+	for floatSize >= 1024 && unitIndex < len(units)-1 {
+		floatSize /= 1024
+		unitIndex++
+	}
+
+	return fmt.Sprintf("%.0f%s", floatSize, units[unitIndex])
+}