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
|
use crate::Uuid;
impl Uuid {
/// Creates a UUID using a name from a namespace, based on the MD5
/// hash.
///
/// A number of namespaces are available as constants in this crate:
///
/// * [`NAMESPACE_DNS`]
/// * [`NAMESPACE_OID`]
/// * [`NAMESPACE_URL`]
/// * [`NAMESPACE_X500`]
///
/// Note that usage of this method requires the `v3` feature of this crate
/// to be enabled.
///
/// # Examples
///
/// Generating a MD5 DNS UUID for `rust-lang.org`:
///
/// ```
/// # use uuid::{Uuid, Version};
/// let uuid = Uuid::new_v3(&Uuid::NAMESPACE_DNS, b"rust-lang.org");
///
/// assert_eq!(Some(Version::Md5), uuid.get_version());
/// ```
///
/// # References
///
/// * [Version 3 and 5 UUIDs in RFC4122](https://www.rfc-editor.org/rfc/rfc4122#section-4.3)
///
/// [`NAMESPACE_DNS`]: #associatedconstant.NAMESPACE_DNS
/// [`NAMESPACE_OID`]: #associatedconstant.NAMESPACE_OID
/// [`NAMESPACE_URL`]: #associatedconstant.NAMESPACE_URL
/// [`NAMESPACE_X500`]: #associatedconstant.NAMESPACE_X500
pub fn new_v3(namespace: &Uuid, name: &[u8]) -> Uuid {
crate::Builder::from_md5_bytes(crate::md5::hash(namespace.as_bytes(), name)).into_uuid()
}
}
#[cfg(test)]
mod tests {
use super::*;
#[cfg(all(
target_arch = "wasm32",
target_vendor = "unknown",
target_os = "unknown"
))]
use wasm_bindgen_test::*;
use crate::{std::string::ToString, Variant, Version};
static FIXTURE: &'static [(&'static Uuid, &'static str, &'static str)] = &[
(
&Uuid::NAMESPACE_DNS,
"example.org",
"04738bdf-b25a-3829-a801-b21a1d25095b",
),
(
&Uuid::NAMESPACE_DNS,
"rust-lang.org",
"c6db027c-615c-3b4d-959e-1a917747ca5a",
),
(
&Uuid::NAMESPACE_DNS,
"42",
"5aab6e0c-b7d3-379c-92e3-2bfbb5572511",
),
(
&Uuid::NAMESPACE_DNS,
"lorem ipsum",
"4f8772e9-b59c-3cc9-91a9-5c823df27281",
),
(
&Uuid::NAMESPACE_URL,
"example.org",
"39682ca1-9168-3da2-a1bb-f4dbcde99bf9",
),
(
&Uuid::NAMESPACE_URL,
"rust-lang.org",
"7ed45aaf-e75b-3130-8e33-ee4d9253b19f",
),
(
&Uuid::NAMESPACE_URL,
"42",
"08998a0c-fcf4-34a9-b444-f2bfc15731dc",
),
(
&Uuid::NAMESPACE_URL,
"lorem ipsum",
"e55ad2e6-fb89-34e8-b012-c5dde3cd67f0",
),
(
&Uuid::NAMESPACE_OID,
"example.org",
"f14eec63-2812-3110-ad06-1625e5a4a5b2",
),
(
&Uuid::NAMESPACE_OID,
"rust-lang.org",
"6506a0ec-4d79-3e18-8c2b-f2b6b34f2b6d",
),
(
&Uuid::NAMESPACE_OID,
"42",
"ce6925a5-2cd7-327b-ab1c-4b375ac044e4",
),
(
&Uuid::NAMESPACE_OID,
"lorem ipsum",
"5dd8654f-76ba-3d47-bc2e-4d6d3a78cb09",
),
(
&Uuid::NAMESPACE_X500,
"example.org",
"64606f3f-bd63-363e-b946-fca13611b6f7",
),
(
&Uuid::NAMESPACE_X500,
"rust-lang.org",
"bcee7a9c-52f1-30c6-a3cc-8c72ba634990",
),
(
&Uuid::NAMESPACE_X500,
"42",
"c1073fa2-d4a6-3104-b21d-7a6bdcf39a23",
),
(
&Uuid::NAMESPACE_X500,
"lorem ipsum",
"02f09a3f-1624-3b1d-8409-44eff7708208",
),
];
#[test]
#[cfg_attr(
all(
target_arch = "wasm32",
target_vendor = "unknown",
target_os = "unknown"
),
wasm_bindgen_test
)]
fn test_new() {
for &(ref ns, ref name, _) in FIXTURE {
let uuid = Uuid::new_v3(*ns, name.as_bytes());
assert_eq!(uuid.get_version(), Some(Version::Md5));
assert_eq!(uuid.get_variant(), Variant::RFC4122);
}
}
#[test]
#[cfg_attr(
all(
target_arch = "wasm32",
target_vendor = "unknown",
target_os = "unknown"
),
wasm_bindgen_test
)]
fn test_hyphenated_string() {
for &(ref ns, ref name, ref expected) in FIXTURE {
let uuid = Uuid::new_v3(*ns, name.as_bytes());
assert_eq!(uuid.hyphenated().to_string(), *expected);
}
}
}
|
