redis/internal/proto/reader_test.go

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2016-07-02 15:52:10 +03:00
package proto_test
import (
"bytes"
"strings"
"testing"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"gopkg.in/redis.v4/internal/proto"
)
var _ = Describe("Reader", func() {
It("should read n bytes", func() {
data, err := proto.NewReader(strings.NewReader("ABCDEFGHIJKLMNO")).ReadN(10)
Expect(err).NotTo(HaveOccurred())
Expect(len(data)).To(Equal(10))
Expect(string(data)).To(Equal("ABCDEFGHIJ"))
data, err = proto.NewReader(strings.NewReader(strings.Repeat("x", 8192))).ReadN(6000)
Expect(err).NotTo(HaveOccurred())
Expect(len(data)).To(Equal(6000))
})
It("should read lines", func() {
p := proto.NewReader(strings.NewReader("$5\r\nhello\r\n"))
data, err := p.ReadLine()
Expect(err).NotTo(HaveOccurred())
Expect(string(data)).To(Equal("$5"))
data, err = p.ReadLine()
Expect(err).NotTo(HaveOccurred())
Expect(string(data)).To(Equal("hello"))
})
})
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 benchmarkParseReply(b *testing.B, reply string, m proto.MultiBulkParse, wanterr bool) {
buf := &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
}