kellnr-settings 5.11.0

Kellnr is a self-hosted registry for Rust crates with support for rustdocs and crates.io caching.
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

use serde::{Deserialize, Deserializer, Serialize};

use crate::deserialize_with::DeserializeWith;

#[derive(Debug, Clone, Copy, PartialEq, Eq, Default)]
pub enum Protocol {
    #[default]
    Http,
    Https,
}

impl std::fmt::Display for Protocol {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        match self {
            Protocol::Http => write!(f, "http"),
            Protocol::Https => write!(f, "https"),
        }
    }
}

impl<'de> Deserialize<'de> for Protocol {
    fn deserialize<D>(de: D) -> Result<Self, D::Error>
    where
        D: Deserializer<'de>,
    {
        Protocol::deserialize_with(de)
    }
}

impl DeserializeWith for Protocol {
    fn deserialize_with<'de, D>(de: D) -> Result<Self, D::Error>
    where
        D: Deserializer<'de>,
    {
        let s = String::deserialize(de)?.to_lowercase();

        match s.as_ref() {
            "http" => Ok(Protocol::Http),
            "https" => Ok(Protocol::Https),
            _ => Err(serde::de::Error::custom(
                "error trying to deserialize protocol config",
            )),
        }
    }
}

impl Serialize for Protocol {
    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
    where
        S: serde::Serializer,
    {
        match self {
            Protocol::Http => serializer.serialize_str("http"),
            Protocol::Https => serializer.serialize_str("https"),
        }
    }
}

#[cfg(test)]
mod tests {
    use serde::Deserialize;

    use super::*;

    #[test]
    fn test_protocol_display() {
        assert_eq!(Protocol::Http.to_string(), "http");
        assert_eq!(Protocol::Https.to_string(), "https");
    }

    #[derive(Debug, Deserialize)]
    struct Settings {
        #[serde(deserialize_with = "Protocol::deserialize_with")]
        protocol: Protocol,
    }

    #[test]
    fn test_deserialize_protocol_https() {
        let toml = r#"
            protocol = "https"
        "#;

        let settings: Settings = toml::from_str(toml).unwrap();
        assert_eq!(settings.protocol, Protocol::Https);
    }

    #[test]
    fn test_deserialize_protocol_http() {
        let toml = r#"
            protocol = "http"
        "#;

        let settings: Settings = toml::from_str(toml).unwrap();
        assert_eq!(settings.protocol, Protocol::Http);
    }

    #[test]
    fn test_deserialize_protocol_uppercase() {
        let toml = r#"
            protocol = "HTTPS"
        "#;

        let settings: Settings = toml::from_str(toml).unwrap();
        assert_eq!(settings.protocol, Protocol::Https);
    }

    #[test]
    fn test_deserialize_protocol_error() {
        let toml = r#"
            protocol = "ftp"
        "#;

        let settings: Result<Settings, toml::de::Error> = toml::from_str(toml);
        assert!(settings.is_err());
    }

    #[test]
    fn test_serialize_protocol_http() {
        let protocol = Protocol::Http;
        let json = serde_json::to_string(&protocol).unwrap();
        assert_eq!(json, r#""http""#);
    }

    #[test]
    fn test_serialize_protocol_https() {
        let protocol = Protocol::Https;
        let json = serde_json::to_string(&protocol).unwrap();
        assert_eq!(json, r#""https""#);
    }
}