faker_rust/default/
alphanumeric.rs

1//! Alphanumeric generator
2
3use crate::config::FakerConfig;
4
5/// Generate a random alphanumeric string
6pub fn alphanumeric(length: usize) -> String {
7    let config = FakerConfig::current();
8    let chars: Vec<char> = (0..length)
9        .map(|_| {
10            let choice = config.rand_range(0, 3);
11            match choice {
12                0 => config.rand_char(&['0', '1', '2', '3', '4', '5', '6', '7', '8', '9']),
13                1 => config.rand_char(&['A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z']),
14                _ => config.rand_char(&['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z']),
15            }
16        })
17        .collect();
18    chars.into_iter().collect()
19}
20
21/// Generate a random alpha string (letters only)
22pub fn alpha(length: usize) -> String {
23    let config = FakerConfig::current();
24    let chars: Vec<char> = (0..length)
25        .map(|_| {
26            let choice = config.rand_bool();
27            if choice {
28                config.rand_char(&['A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z'])
29            } else {
30                config.rand_char(&['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z'])
31            }
32        })
33        .collect();
34    chars.into_iter().collect()
35}
36
37/// Generate a random numeric string
38pub fn numeric(length: usize) -> String {
39    let config = FakerConfig::current();
40    let chars: Vec<char> = (0..length)
41        .map(|_| config.rand_char(&['0', '1', '2', '3', '4', '5', '6', '7', '8', '9']))
42        .collect();
43    chars.into_iter().collect()
44}
45
46/// Generate a random hex string
47pub fn hex(length: usize) -> String {
48    let config = FakerConfig::current();
49    let chars: Vec<char> = (0..length)
50        .map(|_| config.rand_char(&['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f']))
51        .collect();
52    chars.into_iter().collect()
53}
54
55#[cfg(test)]
56mod tests {
57    use super::*;
58
59    #[test]
60    fn test_alphanumeric() {
61        let s = alphanumeric(10);
62        assert_eq!(s.len(), 10);
63    }
64
65    #[test]
66    fn test_alpha() {
67        let s = alpha(10);
68        assert_eq!(s.len(), 10);
69        assert!(s.chars().all(|c| c.is_alphabetic()));
70    }
71
72    #[test]
73    fn test_numeric() {
74        let s = numeric(10);
75        assert_eq!(s.len(), 10);
76        assert!(s.chars().all(|c| c.is_numeric()));
77    }
78
79    #[test]
80    fn test_hex() {
81        let s = hex(8);
82        assert_eq!(s.len(), 8);
83        assert!(s.chars().all(|c| c.is_ascii_hexdigit()));
84    }
85}
faker_rust/default/alphanumeric.rs

faker_rust/default/
alphanumeric.rs
