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109 lines
2.7 KiB
Go
Executable File
109 lines
2.7 KiB
Go
Executable File
// Copyright (c) 2014 The SurgeMQ Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package message
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import (
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"testing"
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"github.com/stretchr/testify/require"
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)
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func TestPubrelMessageFields(t *testing.T) {
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msg := NewPubrelMessage()
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msg.SetPacketId(100)
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require.Equal(t, 100, int(msg.PacketId()))
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}
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func TestPubrelMessageDecode(t *testing.T) {
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msgBytes := []byte{
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byte(PUBREL<<4) | 2,
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2,
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0, // packet ID MSB (0)
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7, // packet ID LSB (7)
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}
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msg := NewPubrelMessage()
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n, err := msg.Decode(msgBytes)
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require.NoError(t, err, "Error decoding message.")
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require.Equal(t, len(msgBytes), n, "Error decoding message.")
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require.Equal(t, PUBREL, msg.Type(), "Error decoding message.")
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require.Equal(t, 7, int(msg.PacketId()), "Error decoding message.")
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}
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// test insufficient bytes
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func TestPubrelMessageDecode2(t *testing.T) {
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msgBytes := []byte{
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byte(PUBREL<<4) | 2,
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2,
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7, // packet ID LSB (7)
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}
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msg := NewPubrelMessage()
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_, err := msg.Decode(msgBytes)
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require.Error(t, err)
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}
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func TestPubrelMessageEncode(t *testing.T) {
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msgBytes := []byte{
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byte(PUBREL<<4) | 2,
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2,
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0, // packet ID MSB (0)
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7, // packet ID LSB (7)
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}
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msg := NewPubrelMessage()
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msg.SetPacketId(7)
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dst := make([]byte, 10)
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n, err := msg.Encode(dst)
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require.NoError(t, err, "Error decoding message.")
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require.Equal(t, len(msgBytes), n, "Error decoding message.")
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require.Equal(t, msgBytes, dst[:n], "Error decoding message.")
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}
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// test to ensure encoding and decoding are the same
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// decode, encode, and decode again
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func TestPubrelDecodeEncodeEquiv(t *testing.T) {
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msgBytes := []byte{
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byte(PUBREL<<4) | 2,
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2,
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0, // packet ID MSB (0)
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7, // packet ID LSB (7)
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}
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msg := NewPubrelMessage()
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n, err := msg.Decode(msgBytes)
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require.NoError(t, err, "Error decoding message.")
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require.Equal(t, len(msgBytes), n, "Error decoding message.")
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dst := make([]byte, 100)
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n2, err := msg.Encode(dst)
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require.NoError(t, err, "Error decoding message.")
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require.Equal(t, len(msgBytes), n2, "Error decoding message.")
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require.Equal(t, msgBytes, dst[:n2], "Error decoding message.")
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n3, err := msg.Decode(dst)
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require.NoError(t, err, "Error decoding message.")
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require.Equal(t, len(msgBytes), n3, "Error decoding message.")
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}
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