Files
mochi-mqtt/packets/connack_test.go
2019-09-22 15:11:02 +01:00

85 lines
2.8 KiB
Go

package packets
import (
"bytes"
"testing"
"github.com/jinzhu/copier"
"github.com/stretchr/testify/require"
)
func TestConnackEncode(t *testing.T) {
require.Contains(t, expectedPackets, Connack)
for i, wanted := range expectedPackets[Connack] {
if !encodeTestOK(wanted) {
continue
}
require.Equal(t, uint8(2), Connack, "Incorrect Packet Type [i:%d] %s", i, wanted.desc)
pk := new(ConnackPacket)
copier.Copy(pk, wanted.packet.(*ConnackPacket))
require.Equal(t, Connack, pk.Type, "Mismatched Packet Type [i:%d] %s", i, wanted.desc)
require.Equal(t, Connack, pk.FixedHeader.Type, "Mismatched FixedHeader Type [i:%d] %s", i, wanted.desc)
var b bytes.Buffer
err := pk.Encode(&b)
encoded := b.Bytes()
require.Equal(t, len(wanted.rawBytes), len(encoded), "Mismatched packet length [i:%d] %s", i, wanted.desc)
require.Equal(t, byte(Connack<<4), encoded[0], "Mismatched fixed header packets [i:%d] %s", i, wanted.desc)
require.NoError(t, err, "Error writing buffer [i:%d] %s", i, wanted.desc)
require.EqualValues(t, wanted.rawBytes, encoded, "Mismatched byte values [i:%d] %s", i, wanted.desc)
require.Equal(t, wanted.packet.(*ConnackPacket).ReturnCode, pk.ReturnCode, "Mismatched return code [i:%d] %s", i, wanted.desc)
require.Equal(t, wanted.packet.(*ConnackPacket).SessionPresent, pk.SessionPresent, "Mismatched session present bool [i:%d] %s", i, wanted.desc)
}
}
func BenchmarkConnackEncode(b *testing.B) {
pk := new(ConnackPacket)
copier.Copy(pk, expectedPackets[Connack][0].packet.(*ConnackPacket))
var buf bytes.Buffer
for n := 0; n < b.N; n++ {
pk.Encode(&buf)
}
}
func TestConnackDecode(t *testing.T) {
require.Contains(t, expectedPackets, Connack)
for i, wanted := range expectedPackets[Connack] {
if !decodeTestOK(wanted) {
continue
}
require.Equal(t, uint8(2), Connack, "Incorrect Packet Type [i:%d] %s", i, wanted.desc)
pk := newPacket(Connack).(*ConnackPacket)
err := pk.Decode(wanted.rawBytes[2:]) // Unpack skips fixedheader.
if wanted.failFirst != nil {
require.Error(t, err, "Expected error unpacking buffer [i:%d] %s", i, wanted.desc)
require.Equal(t, wanted.failFirst, err.Error(), "Expected fail state; %v [i:%d] %s", err.Error(), i, wanted.desc)
continue
}
require.NoError(t, err, "Error unpacking buffer [i:%d] %s", i, wanted.desc)
require.Equal(t, wanted.packet.(*ConnackPacket).ReturnCode, pk.ReturnCode, "Mismatched return code [i:%d] %s", i, wanted.desc)
require.Equal(t, wanted.packet.(*ConnackPacket).SessionPresent, pk.SessionPresent, "Mismatched session present bool [i:%d] %s", i, wanted.desc)
}
}
func BenchmarkConnackDecode(b *testing.B) {
pk := newPacket(Connack).(*ConnackPacket)
pk.FixedHeader.decode(expectedPackets[Connack][0].rawBytes[0])
for n := 0; n < b.N; n++ {
pk.Decode(expectedPackets[Connack][0].rawBytes[2:])
}
}