ledisdb/server/client_resp_test.go

74 lines
1.4 KiB
Go

package server
import (
"bufio"
"bytes"
"errors"
"testing"
)
func TestRespWriter(t *testing.T) {
for _, fixture := range []struct {
v interface{}
e string
}{
{
v: errors.New("Some error"),
e: "-Some error\r\n", // as described at http://redis.io/topics/protocol
},
{
v: "Some status",
e: "+Some status\r\n",
},
{
v: int64(42),
e: ":42\r\n",
},
{
v: []byte("ultimate answer"),
e: "$15\r\nultimate answer\r\n",
},
{
v: []interface{}{[]byte("aaa"), []byte("bbb"), int64(42)},
e: "*3\r\n$3\r\naaa\r\n$3\r\nbbb\r\n:42\r\n",
},
{
v: [][]byte{[]byte("test"), nil, []byte("zzz")},
e: "*3\r\n$4\r\ntest\r\n$-1\r\n$3\r\nzzz\r\n",
},
{
v: nil,
e: "$-1\r\n",
},
{
v: []interface{}{[]interface{}{int64(1), int64(2), int64(3)}, []interface{}{"Foo", errors.New("Bar")}},
e: "*2\r\n*3\r\n:1\r\n:2\r\n:3\r\n*2\r\n+Foo\r\n-Bar\r\n",
},
} {
w := new(respWriter)
var b bytes.Buffer
w.buff = bufio.NewWriter(&b)
switch v := fixture.v.(type) {
case error:
w.writeError(v)
case string:
w.writeStatus(v)
case int64:
w.writeInteger(v)
case []byte:
w.writeBulk(v)
case []interface{}:
w.writeArray(v)
case [][]byte:
w.writeSliceArray(v)
default:
w.writeBulk(b.Bytes())
}
w.flush()
if b.String() != fixture.e {
t.Errorf("respWriter, actual: %q, expected: %q", b.String(), fixture.e)
}
}
}