mqrstt 0.4.2

Pure rust MQTTv5 client implementation Smol and Tokio
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185

mod test_cases;

pub use test_cases::*;

#[cfg(test)]
mod tests {

    use bytes::BytesMut;

    use crate::packets::Packet;

    use rstest::*;

    use crate::packets::mqtt_trait::WireLength;
    use crate::tests::test_packets::*;

    #[rstest::rstest]
    #[case::connect_case(connect_case())]
    #[case::ping_req_case(ping_req_case().1)]
    #[case::ping_resp_case(ping_resp_case().1)]
    #[case::connack_case(connack_case().1)]
    #[case::create_subscribe_packet(create_subscribe_packet(1))]
    #[case::create_subscribe_packet(create_subscribe_packet(65335))]
    #[case::create_puback_packet(create_puback_packet(1))]
    #[case::create_puback_packet(create_puback_packet(65335))]
    #[case::create_disconnect_packet(create_disconnect_packet())]
    #[case::create_connack_packet(create_connack_packet(true))]
    #[case::create_connack_packet(create_connack_packet(false))]
    #[case::publish_packet_1(publish_packet_1())]
    #[case::publish_packet_2(publish_packet_2())]
    #[case::publish_packet_3(publish_packet_3())]
    #[case::publish_packet_4(publish_packet_4())]
    #[case::create_empty_publish_packet(create_empty_publish_packet())]
    #[case::subscribe(subscribe_case())]
    #[case::suback(suback_case())]
    #[case::unsubscribe(unsubscribe_case())]
    #[case::unsuback(unsuback_case())]
    #[case::pubcomp_case(pubcomp_case())]
    #[case::pubrec_case(pubrec_case())]
    #[case::pubrec_case(pubrel_case2())]
    #[case::auth_case(auth_case())]
    fn test_write_read_write_read_cases(#[case] packet: Packet) {
        let mut buffer = BytesMut::new();

        packet.write(&mut buffer).unwrap();

        let wire_len = packet.wire_len();
        assert_eq!(wire_len, buffer.len());

        let res1 = Packet::read(&mut buffer).unwrap();

        assert_eq!(packet, res1);

        let mut buffer = BytesMut::new();
        res1.write(&mut buffer).unwrap();
        let res2 = Packet::read(&mut buffer).unwrap();

        assert_eq!(res1, res2);
    }

    #[rstest::rstest]
    #[case::connect_case(connect_case())]
    #[case::ping_req_case(ping_req_case().1)]
    #[case::ping_resp_case(ping_resp_case().1)]
    #[case::connack_case(connack_case().1)]
    #[case::create_subscribe_packet(create_subscribe_packet(1))]
    #[case::create_subscribe_packet(create_subscribe_packet(65335))]
    #[case::create_puback_packet(create_puback_packet(1))]
    #[case::create_puback_packet(create_puback_packet(65335))]
    #[case::create_disconnect_packet(create_disconnect_packet())]
    #[case::create_connack_packet(create_connack_packet(true))]
    #[case::create_connack_packet(create_connack_packet(false))]
    #[case::publish_packet_1(publish_packet_1())]
    #[case::publish_packet_2(publish_packet_2())]
    #[case::publish_packet_3(publish_packet_3())]
    #[case::publish_packet_4(publish_packet_4())]
    #[case::create_empty_publish_packet(create_empty_publish_packet())]
    #[case::subscribe(subscribe_case())]
    #[case::suback(suback_case())]
    #[case::unsubscribe(unsubscribe_case())]
    #[case::unsuback(unsuback_case())]
    #[case::pubcomp_case(pubcomp_case())]
    #[case::pubrec_case(pubrec_case())]
    #[case::pubrec_case(pubrel_case2())]
    #[case::auth_case(auth_case())]
    #[tokio::test]
    async fn test_async_write_read_write_read_cases(#[case] packet: Packet) {
        let mut buffer = Vec::with_capacity(1000);
        let res = packet.async_write(&mut buffer).await.unwrap();

        let wire_len = packet.wire_len();

        assert_eq!(res, buffer.len());
        assert_eq!(wire_len, buffer.len());

        let mut buf = buffer.as_slice();

        let res1 = Packet::async_read(&mut buf).await.unwrap();

        pretty_assertions::assert_eq!(packet, res1);
    }

    #[rstest::rstest]
    #[case::disconnect(disconnect_case())]
    #[case::ping_req(ping_req_case())]
    #[case::ping_resp(ping_resp_case())]
    #[case::publish(publish_case())]
    #[case::pubrel(pubrel_case())]
    #[case::pubrel_smallest(pubrel_smallest_case())]
    fn test_read_write_cases(#[case] (bytes, expected_packet): (&[u8], Packet)) {
        let mut buffer = BytesMut::from_iter(bytes);

        let res = Packet::read(&mut buffer);

        assert!(res.is_ok());

        let packet = res.unwrap();

        assert_eq!(packet, expected_packet);

        buffer.clear();

        packet.write(&mut buffer).unwrap();

        assert_eq!(buffer.to_vec(), bytes.to_vec())
    }

    #[rstest::rstest]
    #[case::disconnect(disconnect_case())]
    #[case::ping_req(ping_req_case())]
    #[case::ping_resp(ping_resp_case())]
    #[case::publish(publish_case())]
    #[case::pubrel(pubrel_case())]
    #[case::pubrel_smallest(pubrel_smallest_case())]
    #[tokio::test]
    async fn test_async_read_write(#[case] (mut bytes, expected_packet): (&[u8], Packet)) {
        let input = bytes.to_vec();

        let res = Packet::async_read(&mut bytes).await;

        assert!(res.is_ok());

        let packet = res.unwrap();

        assert_eq!(packet, expected_packet);

        let mut out = Vec::with_capacity(1000);

        packet.async_write(&mut out).await.unwrap();

        assert_eq!(out, input)
    }

    #[rstest]
    #[case(create_subscribe_packet(1))]
    #[case(create_subscribe_packet(65335))]
    #[case(create_puback_packet(1))]
    #[case(create_puback_packet(65335))]
    #[case(create_disconnect_packet())]
    #[case(publish_packet_1())]
    #[case(publish_packet_2())]
    #[case(publish_packet_3())]
    #[case(publish_packet_4())]
    /// Test if the input == output after read packet form input and write packet to output
    fn test_equal_write_read(#[case] packet: Packet) {
        let mut buffer = bytes::BytesMut::new();

        packet.write(&mut buffer).unwrap();

        let read_packet = Packet::read(&mut buffer).unwrap();

        assert_eq!(packet, read_packet);
    }

    // #[rstest::rstest]
    // #[case(&[59, 1, 0, 59])]
    // #[case(&[16, 14, 0, 4, 77, 81, 84, 84, 5, 247, 247, 252, 1, 17, 247, 247, 247])]
    // fn test_read_error(#[case] bytes: &[u8]) {
    //     let mut buffer = BytesMut::from_iter(bytes);

    //     let res = Packet::read_from_buffer(&mut buffer);

    //     assert!(res.is_err());
    // }
}