bee-message 0.2.0

Implementation of the IOTA protocol message layouts
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

// Copyright 2020-2021 IOTA Stiftung
// SPDX-License-Identifier: Apache-2.0

use bee_common::packable::Packable;
use bee_message::prelude::*;
use bee_test::rand::bytes::{rand_bytes, rand_bytes_32};

const PADDED_INDEX: &str = "52fdfc072182654f163f5f0f9a621d729566c74d10037c4d7bbb0407d1e2c64952fdfc072182654f163f5f0f9a621d729566c74d10037c4d7bbb0407d1e2c649";

#[test]
fn kind() {
    assert_eq!(IndexationPayload::KIND, 2);
}

#[test]
fn debug_impl() {
    assert_eq!(
        format!(
            "{:?}",
            PaddedIndex::new(hex::decode(PADDED_INDEX).unwrap().try_into().unwrap())
        ),
        "PaddedIndex(52fdfc072182654f163f5f0f9a621d729566c74d10037c4d7bbb0407d1e2c64952fdfc072182654f163f5f0f9a621d729566c74d10037c4d7bbb0407d1e2c649)"
    );
}

#[test]
fn new_valid() {
    let index = rand_bytes(64);
    let index_array: [u8; 64] = index.as_slice().try_into().unwrap();
    let data = [0x42, 0xff, 0x84, 0xa2, 0x42, 0xff, 0x84, 0xa2];
    let indexation = IndexationPayload::new(&index, &data).unwrap();

    assert_eq!(indexation.index(), &index);
    assert_eq!(indexation.padded_index().as_ref(), index.as_slice());
    assert_eq!(*indexation.padded_index(), index_array);
    assert_eq!(indexation.data(), &data);
}

#[test]
fn new_valid_empty_data() {
    let index = rand_bytes(64);
    let index_array: [u8; 64] = index.as_slice().try_into().unwrap();
    let data = [];
    let indexation = IndexationPayload::new(&index, &data).unwrap();

    assert_eq!(indexation.index(), &index);
    assert_eq!(indexation.padded_index().as_ref(), index.as_slice());
    assert_eq!(*indexation.padded_index(), index_array);
    assert_eq!(indexation.data(), &data);
}

#[test]
fn new_valid_padded() {
    let index = rand_bytes(32);
    let mut padded_index = index.clone();
    padded_index.append(&mut vec![0u8; 32]);
    let data = [];
    let indexation = IndexationPayload::new(&index, &data).unwrap();

    assert_eq!(indexation.index(), &index);
    assert_eq!(indexation.padded_index().as_ref(), padded_index.as_slice());
    assert_eq!(indexation.data(), &data);
}

#[test]
fn new_invalid_index_length_less_than_min() {
    assert!(matches!(
        IndexationPayload::new(&[], &[0x42, 0xff, 0x84, 0xa2, 0x42, 0xff, 0x84, 0xa2]),
        Err(Error::InvalidIndexationIndexLength(0))
    ));
}

#[test]
fn new_invalid_index_length_more_than_max() {
    assert!(matches!(
        IndexationPayload::new(&rand_bytes(65), &[0x42, 0xff, 0x84, 0xa2, 0x42, 0xff, 0x84, 0xa2]),
        Err(Error::InvalidIndexationIndexLength(65))
    ));
}

#[test]
fn new_invalid_data_length_more_than_max() {
    assert!(matches!(
        IndexationPayload::new(&rand_bytes_32(), &[0u8; MESSAGE_LENGTH_MAX + 42]),
        Err(Error::InvalidIndexationDataLength(l)) if l == MESSAGE_LENGTH_MAX + 42
    ));
}

#[test]
fn packed_len() {
    let indexation =
        IndexationPayload::new(&rand_bytes(10), &[0x42, 0xff, 0x84, 0xa2, 0x42, 0xff, 0x84, 0xa2]).unwrap();

    assert_eq!(indexation.packed_len(), 10 + 2 + 4 + 8);
    assert_eq!(indexation.pack_new().len(), 10 + 2 + 4 + 8);
}

#[test]
fn pack_unpack_valid() {
    let indexation_1 =
        IndexationPayload::new(&rand_bytes_32(), &[0x42, 0xff, 0x84, 0xa2, 0x42, 0xff, 0x84, 0xa2]).unwrap();
    let indexation_2 = IndexationPayload::unpack(&mut indexation_1.pack_new().as_slice()).unwrap();

    assert_eq!(indexation_1.index(), indexation_2.index());
    assert_eq!(indexation_1.data(), indexation_2.data());
}

#[test]
fn unpack_invalid_index_length_less_than_min() {
    assert!(matches!(
        IndexationPayload::unpack(&mut vec![0x00, 0x00, 0x00, 0x00, 0x00, 0x00].as_slice()),
        Err(Error::InvalidIndexationIndexLength(0))
    ));
}

#[test]
fn unpack_invalid_index_length_more_than_max() {
    assert!(matches!(
        IndexationPayload::unpack(
            &mut vec![
                0x41, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                0x00, 0x00, 0x00
            ]
            .as_slice()
        ),
        Err(Error::InvalidIndexationIndexLength(65))
    ));
}

#[test]
fn unpack_invalid_data_length_more_than_max() {
    assert!(matches!(
        IndexationPayload::unpack(&mut vec![0x02, 0x00, 0x00, 0x00, 0x35, 0x82, 0x00, 0x00].as_slice()),
        Err(Error::InvalidIndexationDataLength(33333))
    ));
}

#[test]
fn unpack_valid_padded() {
    let index = rand_bytes(32);
    let mut padded_index = index.clone();
    padded_index.append(&mut vec![0u8; 32]);

    let indexation_1 = IndexationPayload::new(&index, &[0x42, 0xff, 0x84, 0xa2, 0x42, 0xff, 0x84, 0xa2]).unwrap();
    let indexation_2 = IndexationPayload::unpack(&mut indexation_1.pack_new().as_slice()).unwrap();

    assert_eq!(indexation_1.index(), indexation_2.index());
    assert_eq!(indexation_1.padded_index(), indexation_2.padded_index());
    assert_eq!(indexation_1.data(), indexation_2.data());
}