redis/internal/proto/write_buffer_test.go

94 lines
1.7 KiB
Go

package proto_test
import (
"bytes"
"encoding"
"io/ioutil"
"testing"
"time"
"github.com/go-redis/redis/v7/internal/proto"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
type MyType struct{}
var _ encoding.BinaryMarshaler = (*MyType)(nil)
func (t *MyType) MarshalBinary() ([]byte, error) {
return []byte("hello"), nil
}
var _ = Describe("WriteBuffer", func() {
var buf *bytes.Buffer
var wr *proto.Writer
BeforeEach(func() {
buf = new(bytes.Buffer)
wr = proto.NewWriter(buf)
})
It("should write args", func() {
err := wr.WriteArgs([]interface{}{
"string",
12,
34.56,
[]byte{'b', 'y', 't', 'e', 's'},
true,
nil,
})
Expect(err).NotTo(HaveOccurred())
err = wr.Flush()
Expect(err).NotTo(HaveOccurred())
Expect(buf.Bytes()).To(Equal([]byte("*6\r\n" +
"$6\r\nstring\r\n" +
"$2\r\n12\r\n" +
"$5\r\n34.56\r\n" +
"$5\r\nbytes\r\n" +
"$1\r\n1\r\n" +
"$0\r\n" +
"\r\n")))
})
It("should append time", func() {
err := wr.WriteArgs([]interface{}{time.Unix(1414141414, 0).UTC()})
Expect(err).NotTo(HaveOccurred())
err = wr.Flush()
Expect(err).NotTo(HaveOccurred())
Expect(buf.Len()).To(Equal(31))
})
It("should append marshalable args", func() {
err := wr.WriteArgs([]interface{}{&MyType{}})
Expect(err).NotTo(HaveOccurred())
err = wr.Flush()
Expect(err).NotTo(HaveOccurred())
Expect(buf.Len()).To(Equal(15))
})
})
func BenchmarkWriteBuffer_Append(b *testing.B) {
buf := proto.NewWriter(ioutil.Discard)
args := []interface{}{"hello", "world", "foo", "bar"}
for i := 0; i < b.N; i++ {
err := buf.WriteArgs(args)
if err != nil {
panic(err)
}
err = buf.Flush()
if err != nil {
panic(err)
}
}
}